Flights from Washington Airport IAD to Seattle Airport SEA
We've found the cheapest flights to Seattle
If it is your first time travelling to Seattle-Tacoma International then check out the airliners Singapore Airlines, Austrian Airlines, Jet Linx Aviation, Japan Airlines, Ethiopian Airlines, Copa Airlines, Brussels Airlines, Avianca, United Airlines, Delta Air Lines, China Eastern Airlines, Korean Air, Qatar Airways, Hawaiian Airlines, American Airlines, Air Tahiti Nui and Alaska Airlines. These airliners all offer direct flights that depart from Washington Dulles International, so you will find flying to Seattle-Tacoma International is quite easy. The flight time is approximately 5 Hours 10 Minutes.
The cost of the flights varies significantly so we can’t provide you an estimate. Prices can be 50% cheaper if you book more than a month in advance. The cheapest flights available will generally be mid week or late in the evening, so if you are on a budget then these are the flight times you should consider. Alternatively, you could book well in advance and you flight could be up to 50% cheaper, especially with budget airliners. We recommend our viewers to pay and reserve the seats in advance. This ensures you get the best seats on the plane at the cheapest prices.
When arriving at Seattle-Tacoma International don’t forget to set your watch to the local time!
If you are planning a trip to Seattle-Tacoma International Airport from Washington Dulles International Airport you can pre-arrange short or long term parking at Washington Dulles International Airport.
If you chose to rent a car at Seattle-Tacoma International Airport and need to return it, find the nearest fuel station along your route to Seattle-Tacoma International Airport in order to avoid incurring additional cost when you return your vehicle.
We suggest pre-booking your transport to Washington Dulles International Airport. The following options are available:
- Private Transfers to Washington Dulles International Airport
- Buses to Washington Dulles International Airport
- Taxis to Washington Dulles International Airport
- Train Services to/near Washington Dulles International Airport
Ensure your arrival at Seattle-Tacoma International Airport is as smooth as possible by pre-booking your transport - which in many cases will also save you money:
- Car rental at Seattle-Tacoma International Airport (SEA)
- Private transfers at Seattle-Tacoma International Airport (SEA)
- Buses from Seattle-Tacoma International Airport (SEA)
- Taxis from Seattle-Tacoma International Airport (SEA)
- Train services at or near Seattle-Tacoma International Airport (SEA)
Find hotels close to Seattle-Tacoma International Airport many hotels offer airport transfers directly from the airport to your hotel.
Please see below the airlines that fly from Washington Dulles International (IAD) to Seattle-Tacoma International (SEA) and the amount of daily flights in operation.

Airliner | Mo | Tu | We | Th | Fr | Sa | Su | First Flight | Last Flight | Flights |
---|---|---|---|---|---|---|---|---|---|---|
Alaska Airlines | 2 | 1 | 2 | 2 | 2 | 1 | 2 | 07:00 | 18:48 | VIEW FLIGHTS |
Hawaiian Airlines | 2 | 1 | 2 | 2 | 2 | 1 | 1 | 07:00 | 18:48 | VIEW FLIGHTS |
American Airlines | 2 | 1 | 2 | 2 | 2 | 1 | 1 | 07:00 | 18:48 | VIEW FLIGHTS |
Air Tahiti Nui | 2 | 1 | 2 | 2 | 2 | 1 | 1 | 07:00 | 18:48 | VIEW FLIGHTS |
Qatar Airways | 2 | 1 | 2 | 1 | 2 | 1 | 1 | 07:00 | 18:48 | VIEW FLIGHTS |
Korean Air | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 07:43 | 14:30 | VIEW FLIGHTS |
United Airlines | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 17:25 | 17:25 | VIEW FLIGHTS |
Delta Air Lines | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 07:43 | 07:43 | VIEW FLIGHTS |
China Eastern Airlines | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 07:43 | 07:43 | VIEW FLIGHTS |
Japan Airlines | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 07:00 | 09:56 | VIEW FLIGHTS |
Ethiopian Airlines | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 17:25 | 17:25 | VIEW FLIGHTS |
Copa Airlines | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 17:25 | 17:25 | VIEW FLIGHTS |
Brussels Airlines | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 17:25 | 17:25 | VIEW FLIGHTS |
Avianca | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 17:25 | 17:25 | VIEW FLIGHTS |
Jet Linx Aviation | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 07:00 | 07:00 | VIEW FLIGHTS |
Austrian Airlines | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 17:25 | 17:25 | VIEW FLIGHTS |
Singapore Airlines | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 18:48 | 18:48 | VIEW FLIGHTS |
Flights from Washington Dulles International to Seattle-Tacoma International are very limited. Only Alaska Airlines operate flights, of which there is only 1 per week. The time of the departure for this flight is 07:00
You can find the latest flight availability and prices from Alaska Airlines at alaskaair.com. You can also book direct and get their latest discounts.
Flight times for the route are summarised in the table below. These time were correct at the time of writing, but please be aware that times may vary from time to time so please check their website for exact times and the dates you wish to fly.

Day | Flight Times | Flights | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Monday | 07:00
07:43
09:56
17:25
18:48
| VIEW FLIGHTS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Tuesday | 07:00
07:43
09:56
17:25
| VIEW FLIGHTS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Wednesday | 07:00
07:43
09:52
17:25
18:22
| VIEW FLIGHTS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Thursday | 07:00
07:43
17:25
18:22
| VIEW FLIGHTS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Friday | 07:00
07:43
09:52
14:30
17:25
18:22
| VIEW FLIGHTS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Saturday | 07:00
07:43
17:25
| VIEW FLIGHTS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Sunday | 07:00
07:43
17:25
18:22
| VIEW FLIGHTS |
Flights to Seattle-Tacoma International are also available from airports close to Washington Dulles International. Below we have provided a short list of routes which you could consider is you feel that are suitable.

Route | Stops | Distance | Flying Time |
---|---|---|---|
Baltimore Washington Thurgood Marshall to Seattle | 0 | 5 Hours 13 Minutes | |
Washington Ronald Reagan Washington National to Seattle | 0 | 5 Hours 12 Minutes | |
Philadelphia to Seattle | 0 | 5 Hours 18 Minutes |
Before you start your journey remember to check you have all your documents; in particular, your passport and flight tickets. You will be surprised at the amount of people of forget these!
Don't forget to book a hire car!
Search for cheap car rentals at IAD
Flight Price FAQ - Washington (IAD) to Seattle (SEA)
Compare Flight Prices from IAD to SEA

Was your flight delayed or cancelled?
You may be eligible to receive up to 600 EUR compensation per person in your party.
Claim Now!Flight Info FAQ - Washington (IAD) to Seattle (SEA)
Alternative Airports in United States with Connections from Dulles International Airport
- airplanemode_active Dulles Virginia Airport to Atlanta 75 flights per week
- airplanemode_active Dulles Virginia Airport to Charlotte Douglas 60 flights per week
- airplanemode_active Dulles Virginia Airport to Orlando International 54 flights per week
- airplanemode_active Dulles Virginia Airport to Los Angeles 51 flights per week
- airplanemode_active Dulles Virginia Airport to Detroit 42 flights per week
- airplanemode_active Dulles Virginia Airport to Burlington International 39 flights per week
- airplanemode_active Dulles Virginia Airport to Chicago OHare International 38 flights per week
- airplanemode_active Dulles Virginia Airport to Houston 37 flights per week
- airplanemode_active Dulles Virginia Airport to Savannah Hilton Head 36 flights per week
- airplanemode_active Dulles Virginia Airport to Syracuse 34 flights per week
- airplanemode_active Dulles Virginia Airport to Charlottesville 32 flights per week
- airplanemode_active Dulles Virginia Airport to Port Columbus International 31 flights per week
- airplanemode_active Dulles Virginia Airport to Boston 30 flights per week
- airplanemode_active Dulles Virginia Airport to New York La Guardia 30 flights per week
- airplanemode_active Dulles Virginia Airport to West Palm Beach International 30 flights per week
- airplanemode_active Dulles Virginia Airport to Fort Lauderdale hollywood International 29 flights per week
- airplanemode_active Dulles Virginia Airport to Buffalo Niagara International 28 flights per week
- airplanemode_active Dulles Virginia Airport to Indianapolis 28 flights per week
- airplanemode_active Dulles Virginia Airport to Rochester Greater Rochester International 28 flights per week
- airplanemode_active Dulles Virginia Airport to Philadelphia International 25 flights per week
- airplanemode_active Dulles Virginia Airport to Nashville 24 flights per week
- airplanemode_active Dulles Virginia Airport to Jacksonville 24 flights per week
- airplanemode_active Dulles Virginia Airport to Greenville Spartanburg International 23 flights per week
- airplanemode_active Dulles Virginia Airport to Las Vegas 22 flights per week
- airplanemode_active Dulles Virginia Airport to Portland International Jetport 21 flights per week
- airplanemode_active Dulles Virginia Airport to State College 21 flights per week
- airplanemode_active Dulles Virginia Airport to Columbia Metropolitan 20 flights per week
- airplanemode_active Dulles Virginia Airport to Du Bois 20 flights per week
- airplanemode_active Dulles Virginia Airport to Miami International 17 flights per week
- airplanemode_active Dulles Virginia Airport to New Orleans 16 flights per week
- airplanemode_active Dulles Virginia Airport to St Louis Lambert St Louis International 16 flights per week
- airplanemode_active Dulles Virginia Airport to San Antonio International 15 flights per week
- airplanemode_active Dulles Virginia Airport to Harrisburg International 14 flights per week
- airplanemode_active Dulles Virginia Airport to Bradford 12 flights per week
- airplanemode_active Dulles Virginia Airport to White Plains 11 flights per week
- airplanemode_active Dulles Virginia Airport to Honolulu International 8 flights per week
- airplanemode_active Dulles Virginia Airport to Boca Raton 7 flights per week
- airplanemode_active Dulles Virginia Airport to Johnstown 7 flights per week
- airplanemode_active Dulles Virginia Airport to Portland International 7 flights per week
- airplanemode_active Dulles Virginia Airport to Sacramento International 7 flights per week
- airplanemode_active Dulles Virginia Airport to Chicago Midway 5 flights per week
- airplanemode_active Dulles Virginia Airport to Stuart 5 flights per week
- airplanemode_active Dulles Virginia Airport to Bozeman 4 flights per week
- airplanemode_active Dulles Virginia Airport to Los Angeles Van Nuys 4 flights per week
- airplanemode_active Dulles Virginia Airport to Pittsburgh Allegheny County 3 flights per week
- airplanemode_active Dulles Virginia Airport to Seattle Boeing Field King County International 3 flights per week
- airplanemode_active Dulles Virginia Airport to Cincinnati Municipal Lunken Field 3 flights per week
- airplanemode_active Dulles Virginia Airport to Provo 3 flights per week
- airplanemode_active Dulles Virginia Airport to Vero Beach 3 flights per week
- airplanemode_active Dulles Virginia Airport to Denver Arapahoe Co 2 flights per week
- airplanemode_active Dulles Virginia Airport to Aspen 2 flights per week
- airplanemode_active Dulles Virginia Airport to Dallas Love Field 2 flights per week
- airplanemode_active Dulles Virginia Airport to El Paso International 2 flights per week
- airplanemode_active Dulles Virginia Airport to Hilton Head 2 flights per week
- airplanemode_active Dulles Virginia Airport to Wilmington Greater Wilmington 2 flights per week
- airplanemode_active Dulles Virginia Airport to Midland International 2 flights per week
- airplanemode_active Dulles Virginia Airport to Manassas 2 flights per week
- airplanemode_active Dulles Virginia Airport to Punta Gorda Charlotte County 2 flights per week
- airplanemode_active Dulles Virginia Airport to Houston Sugar Land Regional 2 flights per week
- airplanemode_active Dulles Virginia Airport to Sarasota 2 flights per week
- airplanemode_active Dulles Virginia Airport to Allentown 1 flights per week
- airplanemode_active Dulles Virginia Airport to Aiken 1 flights per week
- airplanemode_active Dulles Virginia Airport to Bridgeport 1 flights per week
- airplanemode_active Dulles Virginia Airport to Boise 1 flights per week
- airplanemode_active Dulles Virginia Airport to Baton Rouge Ryan 1 flights per week
- airplanemode_active Dulles Virginia Airport to Caldwell 1 flights per week
- airplanemode_active Dulles Virginia Airport to Cleveland Cuyahoga County 1 flights per week
- airplanemode_active Dulles Virginia Airport to Corning 1 flights per week
- airplanemode_active Dulles Virginia Airport to Fayetteville Municipal 1 flights per week
- airplanemode_active Dulles Virginia Airport to Westhampton 1 flights per week
- airplanemode_active Dulles Virginia Airport to Atlanta Fulton County 1 flights per week
- airplanemode_active Dulles Virginia Airport to Gulfport 1 flights per week
- airplanemode_active Dulles Virginia Airport to Hamilton 1 flights per week
- airplanemode_active Dulles Virginia Airport to Hot Springs Memorial Field 1 flights per week
- airplanemode_active Dulles Virginia Airport to Wilmington International 1 flights per week
- airplanemode_active Dulles Virginia Airport to Lakeland 1 flights per week
- airplanemode_active Dulles Virginia Airport to Latrobe Westmoreland County 1 flights per week
- airplanemode_active Dulles Virginia Airport to Lawrenceville Gwinnett County 1 flights per week
- airplanemode_active Dulles Virginia Airport to Manchester boston Regional 1 flights per week
- airplanemode_active Dulles Virginia Airport to Milwaukee General Mitchell International 1 flights per week
- airplanemode_active Dulles Virginia Airport to Jackson Mc Kellar Sipes Regional 1 flights per week
- airplanemode_active Dulles Virginia Airport to Marco Island 1 flights per week
- airplanemode_active Dulles Virginia Airport to Baltimore Glenn L Martin 1 flights per week
- airplanemode_active Dulles Virginia Airport to Mountain View 1 flights per week
- airplanemode_active Dulles Virginia Airport to Miami Opa Locka 1 flights per week
- airplanemode_active Dulles Virginia Airport to Peoria 1 flights per week
- airplanemode_active Dulles Virginia Airport to Philadelphia North Philadelphia 1 flights per week
- airplanemode_active Dulles Virginia Airport to Dublin New River Valley 1 flights per week
- airplanemode_active Dulles Virginia Airport to Rifle 1 flights per week
- airplanemode_active Dulles Virginia Airport to Schenectady 1 flights per week
- airplanemode_active Dulles Virginia Airport to Telluride 1 flights per week
- airplanemode_active Dulles Virginia Airport to Tulsa International 1 flights per week
- airplanemode_active Dulles Virginia Airport to Youngstown 1 flights per week
- airplanemode_active Dulles Virginia Airport to Denver International 68 flights per week
- airplanemode_active Dulles Virginia Airport to San Francisco 56 flights per week
- airplanemode_active Dulles Virginia Airport to Newark 53 flights per week
- airplanemode_active Dulles Virginia Airport to Dallas Fort Worth International 43 flights per week
- airplanemode_active Dulles Virginia Airport to Pittsburgh 41 flights per week
- airplanemode_active Dulles Virginia Airport to Tampa 39 flights per week
- airplanemode_active Dulles Virginia Airport to Charleston AFB Municipal 37 flights per week
- airplanemode_active Dulles Virginia Airport to Teterboro 37 flights per week
- airplanemode_active Dulles Virginia Airport to Richmond International 35 flights per week
- airplanemode_active Dulles Virginia Airport to Raleigh 33 flights per week
- airplanemode_active Dulles Virginia Airport to Windsor Locks 31 flights per week
- airplanemode_active Dulles Virginia Airport to Albany International 30 flights per week
- airplanemode_active Dulles Virginia Airport to Cleveland Hopkins International 30 flights per week
- airplanemode_active Dulles Virginia Airport to Minneapolis St Paul International 30 flights per week
- airplanemode_active Dulles Virginia Airport to Knoxville 30 flights per week
- airplanemode_active Dulles Virginia Airport to Norfolk International 29 flights per week
- airplanemode_active Dulles Virginia Airport to Greensboro 28 flights per week
- airplanemode_active Dulles Virginia Airport to Phoenix 28 flights per week
- airplanemode_active Dulles Virginia Airport to San Diego International 28 flights per week
- airplanemode_active Dulles Virginia Airport to Providence 25 flights per week
- airplanemode_active Dulles Virginia Airport to Dayton James Cox Dayton International 24 flights per week
- airplanemode_active Dulles Virginia Airport to Austin bergstrom International 23 flights per week
- airplanemode_active Dulles Virginia Airport to New York John F Kennedy International 22 flights per week
- airplanemode_active Dulles Virginia Airport to Huntsville International Carl T Jones Field 21 flights per week
- airplanemode_active Dulles Virginia Airport to Roanoke 21 flights per week
- airplanemode_active Dulles Virginia Airport to Louisville 21 flights per week
- airplanemode_active Dulles Virginia Airport to Kentucky 20 flights per week
- airplanemode_active Dulles Virginia Airport to Lancaster 19 flights per week
- airplanemode_active Dulles Virginia Airport to Wilkes Barre Scranton 16 flights per week
- airplanemode_active Dulles Virginia Airport to Fort Myers Southwest Florida Reg 16 flights per week
- airplanemode_active Dulles Virginia Airport to Kansas City International 15 flights per week
- airplanemode_active Dulles Virginia Airport to Salt Lake City 15 flights per week
- airplanemode_active Dulles Virginia Airport to Alabama 14 flights per week
- airplanemode_active Dulles Virginia Airport to Williamsport 12 flights per week
- airplanemode_active Dulles Virginia Airport to South Bend 10 flights per week
- airplanemode_active Dulles Virginia Airport to Morgantown 8 flights per week
- airplanemode_active Dulles Virginia Airport to Key West International 7 flights per week
- airplanemode_active Dulles Virginia Airport to Ogdensburg 7 flights per week
- airplanemode_active Dulles Virginia Airport to Palm Springs Municipal 7 flights per week
- airplanemode_active Dulles Virginia Airport to Washington Ronald Reagan Washington National 6 flights per week
- airplanemode_active Dulles Virginia Airport to Atlanta Dekalb Peachtree 5 flights per week
- airplanemode_active Dulles Virginia Airport to Baltimore Washington International Thurgood Marshall 4 flights per week
- airplanemode_active Dulles Virginia Airport to San Jose Mineta San Jose International 4 flights per week
- airplanemode_active Dulles Virginia Airport to Atlantic City International 3 flights per week
- airplanemode_active Dulles Virginia Airport to Bedford Hanscom 3 flights per week
- airplanemode_active Dulles Virginia Airport to Jackson Hole 3 flights per week
- airplanemode_active Dulles Virginia Airport to Ocala 3 flights per week
- airplanemode_active Dulles Virginia Airport to Miami Tamiami 3 flights per week
- airplanemode_active Dulles Virginia Airport to Augusta Bush Field 2 flights per week
- airplanemode_active Dulles Virginia Airport to Naples 2 flights per week
- airplanemode_active Dulles Virginia Airport to Charleston Yeager 2 flights per week
- airplanemode_active Dulles Virginia Airport to Vail Eagle Eagle County 2 flights per week
- airplanemode_active Dulles Virginia Airport to Farmingdale 2 flights per week
- airplanemode_active Dulles Virginia Airport to New Haven 2 flights per week
- airplanemode_active Dulles Virginia Airport to Winston Salem 2 flights per week
- airplanemode_active Dulles Virginia Airport to Morristown Municipal 2 flights per week
- airplanemode_active Dulles Virginia Airport to Oakland International 2 flights per week
- airplanemode_active Dulles Virginia Airport to Newport News 2 flights per week
- airplanemode_active Dulles Virginia Airport to Santa Ana John Wayne 2 flights per week
- airplanemode_active Dulles Virginia Airport to Brunswick Mckinnon 2 flights per week
- airplanemode_active Dulles Virginia Airport to Nantucket 1 flights per week
- airplanemode_active Dulles Virginia Airport to Blue Bell 1 flights per week
- airplanemode_active Dulles Virginia Airport to Bar Harbor 1 flights per week
- airplanemode_active Dulles Virginia Airport to Battle Creek 1 flights per week
- airplanemode_active Dulles Virginia Airport to Akron canton Regional 1 flights per week
- airplanemode_active Dulles Virginia Airport to Chicopee 1 flights per week
- airplanemode_active Dulles Virginia Airport to Concord 1 flights per week
- airplanemode_active Dulles Virginia Airport to Kenosha 1 flights per week
- airplanemode_active Dulles Virginia Airport to Frederick Municipal 1 flights per week
- airplanemode_active Dulles Virginia Airport to Fort Worth Meacham Field 1 flights per week
- airplanemode_active Dulles Virginia Airport to Gaithersburg 1 flights per week
- airplanemode_active Dulles Virginia Airport to Grand Rapids Gerald R Ford International 1 flights per week
- airplanemode_active Dulles Virginia Airport to Hayden 1 flights per week
- airplanemode_active Dulles Virginia Airport to East Hampton 1 flights per week
- airplanemode_active Dulles Virginia Airport to Joplin 1 flights per week
- airplanemode_active Dulles Virginia Airport to Lansing 1 flights per week
- airplanemode_active Dulles Virginia Airport to Lexington Blue Grass 1 flights per week
- airplanemode_active Dulles Virginia Airport to Manteo 1 flights per week
- airplanemode_active Dulles Virginia Airport to Kansas City Downtown 1 flights per week
- airplanemode_active Dulles Virginia Airport to Muskegon 1 flights per week
- airplanemode_active Dulles Virginia Airport to Martinsburg Eastern Wv Regional Shepherd Field 1 flights per week
- airplanemode_active Dulles Virginia Airport to Monticello Sullivan County International 1 flights per week
- airplanemode_active Dulles Virginia Airport to Vineyard Haven 1 flights per week
- airplanemode_active Dulles Virginia Airport to Omaha 1 flights per week
- airplanemode_active Dulles Virginia Airport to Orlando Executive 1 flights per week
- airplanemode_active Dulles Virginia Airport to Clearwater St Petersburg Clearwater International 1 flights per week
- airplanemode_active Dulles Virginia Airport to Pensacola Regional 1 flights per week
- airplanemode_active Dulles Virginia Airport to Rockford Greater Rockford 1 flights per week
- airplanemode_active Dulles Virginia Airport to Santa Barbara Municipal 1 flights per week
- airplanemode_active Dulles Virginia Airport to Statesville 1 flights per week
- airplanemode_active Dulles Virginia Airport to Trenton Mercer 1 flights per week
- airplanemode_active Dulles Virginia Airport to Detroit Willow Run 1 flights per week
- airplanemode_active Dulles Virginia Airport to Panama City 1 flights per week
Don't forget to book your car rental!
Search for cheap car rentals in Dulles Virginia
Useful Information about Dulles International Airport

See all the airport lounges, locations and opening times available at Dulles International Airport
View...
See all bars and restaurants at Dulles International Airport, including locations and if they are before or after check-in
View...
See all shops available at Dulles International Airport - plan your duty free shopping in advance
View...
Things to see and do in and around Washington D. C. in the United States of America
View...