Flights from Seattle Airport (SEA) to Dulles International Airport Airport (IAD)

We've found the cheapest flights to Washington

Returns from £211.93

One-way from £105.97

Airliners including Singapore Airlines, Jet Linx Aviation, All Nippon Airways, Japan Airlines, Ethiopian Airlines, Brussels Airlines, Avianca, Austrian Airlines, Korean Air, Delta Air Lines, Copa Airlines, China Eastern Airlines, Lufthansa, Hawaiian Airlines, American Airlines, Air Tahiti Nui, Alaska Airlines, United Airlines and Qatar Airways all offer direct flights between Seattle-Tacoma International to Washington Dulles International. The flight time is approximately 5 Hours 10 Minutes.

The cost of ticket prices to Washington Dulles International United States can vary quite considerably if you travel at certain times of the week especially at weekends. 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. If it is possible, you should book your flights 2 or more months in advance as ticket prices will be substantially lower.

On arriving at Washington Dulles International please note the time difference, the time zone at Washington Dulles International is 5.0 GMT compared to 8.0 GMT at Seattle-Tacoma International.

Below you will see all the airlines that fly from Seattle-Tacoma International (SEA) to Washington Dulles International (IAD) and the number of flights they operate each day.

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
United Airlines222444408:0023:23VIEW FLIGHTS
Qatar Airways443443007:3623:59VIEW FLIGHTS
Alaska Airlines333333309:1823:30VIEW FLIGHTS
Hawaiian Airlines333333009:1823:59VIEW FLIGHTS
American Airlines333333009:1823:59VIEW FLIGHTS
Air Tahiti Nui333333009:1823:59VIEW FLIGHTS
Lufthansa222222008:0012:55VIEW FLIGHTS
Korean Air111111105:5205:52VIEW FLIGHTS
Delta Air Lines111111115:1521:50VIEW FLIGHTS
Copa Airlines111111106:1222:15VIEW FLIGHTS
China Eastern Airlines111111105:5205:52VIEW FLIGHTS
Ethiopian Airlines101111106:1222:15VIEW FLIGHTS
Brussels Airlines111111008:0008:10VIEW FLIGHTS
Avianca111111012:5512:55VIEW FLIGHTS
Austrian Airlines111111008:0008:10VIEW FLIGHTS
Japan Airlines111110007:3623:30VIEW FLIGHTS
Jet Linx Aviation110011007:3623:30VIEW FLIGHTS
All Nippon Airways000111106:1222:15VIEW FLIGHTS
Singapore Airlines010101023:5923:59VIEW FLIGHTS

United Airlines is the most popular airliners who operate this route. They have around 22 a week with times that vary between 08:00 and 23:23.

To book your flight you can visit United Airlines on their website united.com. You will find up to date information on availability and the 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.

Flights Time In WeekDays
DayFlight TimesFlights
Monday
05:52
AirlineFlight  No
Korean AirKE3019
China Eastern AirlinesMU8804
07:36
AirlineFlight  No
Qatar AirwaysQR2043
Jet Linx AviationJL5440
08:10
AirlineFlight  No
United AirlinesUA2398
Austrian AirlinesOS7908
Ethiopian AirlinesET1369
LufthansaLH7485
Brussels AirlinesSN8850
09:18
AirlineFlight  No
Air Tahiti NuiTN2495
Alaska AirlinesAS408
Hawaiian AirlinesHA6724
American AirlinesAA9409
Qatar AirwaysQR2182
12:55
AirlineFlight  No
United AirlinesUA2275
LufthansaLH7487
AviancaAV2029
Copa AirlinesCM2765
16:00
AirlineFlight  No
Alaska AirlinesAS406
21:50
AirlineFlight  No
Delta Air LinesDL541
23:30
AirlineFlight  No
Air Tahiti NuiTN2784
Alaska AirlinesAS307
Hawaiian AirlinesHA6718
American AirlinesAA7597
Japan AirlinesJL5440
Qatar AirwaysQR2099
23:59
AirlineFlight  No
Air Tahiti NuiTN2483
Hawaiian AirlinesHA6717
American AirlinesAA9349
Qatar AirwaysQR3352
VIEW FLIGHTS
Tuesday
05:52
AirlineFlight  No
Korean AirKE3019
China Eastern AirlinesMU8804
07:36
AirlineFlight  No
Qatar AirwaysQR2099
Jet Linx AviationJL5440
08:10
AirlineFlight  No
United AirlinesUA2398
Austrian AirlinesOS7908
LufthansaLH7485
Brussels AirlinesSN8850
09:18
AirlineFlight  No
Air Tahiti NuiTN2495
Alaska AirlinesAS408
Hawaiian AirlinesHA6724
American AirlinesAA9409
Qatar AirwaysQR2182
12:55
AirlineFlight  No
United AirlinesUA2275
LufthansaLH7487
AviancaAV2029
Copa AirlinesCM2765
16:00
AirlineFlight  No
Alaska AirlinesAS406
21:50
AirlineFlight  No
Delta Air LinesDL541
23:30
AirlineFlight  No
Air Tahiti NuiTN2784
Alaska AirlinesAS307
Hawaiian AirlinesHA6718
American AirlinesAA7597
Japan AirlinesJL5440
Qatar AirwaysQR2043
23:59
AirlineFlight  No
Air Tahiti NuiTN2483
Singapore AirlinesSQ1234
Hawaiian AirlinesHA6717
American AirlinesAA9349
Qatar AirwaysQR3352
VIEW FLIGHTS
Wednesday
05:52
AirlineFlight  No
Korean AirKE3019
China Eastern AirlinesMU8804
08:10
AirlineFlight  No
United AirlinesUA2398
Austrian AirlinesOS7908
Ethiopian AirlinesET1369
LufthansaLH7485
Brussels AirlinesSN8850
09:18
AirlineFlight  No
Air Tahiti NuiTN2495
Alaska AirlinesAS408
Hawaiian AirlinesHA6724
American AirlinesAA9409
Qatar AirwaysQR2182
12:55
AirlineFlight  No
United AirlinesUA2275
LufthansaLH7487
AviancaAV2029
Copa AirlinesCM2765
16:00
AirlineFlight  No
Alaska AirlinesAS406
21:50
AirlineFlight  No
Delta Air LinesDL541
23:30
AirlineFlight  No
Air Tahiti NuiTN2784
Alaska AirlinesAS307
Hawaiian AirlinesHA6718
American AirlinesAA7597
Japan AirlinesJL5440
Qatar AirwaysQR2043
23:59
AirlineFlight  No
Air Tahiti NuiTN2483
Hawaiian AirlinesHA6717
American AirlinesAA9349
Qatar AirwaysQR8844
VIEW FLIGHTS
Thursday
05:52
AirlineFlight  No
Korean AirKE3019
China Eastern AirlinesMU8804
07:36
AirlineFlight  No
Qatar AirwaysQR2043
08:00
AirlineFlight  No
United AirlinesUA2398
Austrian AirlinesOS7908
LufthansaLH7485
Brussels AirlinesSN8850
09:18
AirlineFlight  No
Air Tahiti NuiTN2495
Alaska AirlinesAS408
Hawaiian AirlinesHA6724
American AirlinesAA9409
Qatar AirwaysQR2182
12:55
AirlineFlight  No
United AirlinesUA2275
LufthansaLH7487
AviancaAV2029
16:00
AirlineFlight  No
Alaska AirlinesAS406
21:50
AirlineFlight  No
Delta Air LinesDL541
22:15
AirlineFlight  No
United AirlinesUA2402
Ethiopian AirlinesET1369
All Nippon AirwaysNH7282
Copa AirlinesCM2765
23:23
AirlineFlight  No
United AirlinesUA2019
23:30
AirlineFlight  No
Air Tahiti NuiTN2784
Alaska AirlinesAS307
Hawaiian AirlinesHA6718
American AirlinesAA7597
Japan AirlinesJL5440
Qatar AirwaysQR2099
23:59
AirlineFlight  No
Air Tahiti NuiTN2483
Singapore AirlinesSQ1234
Hawaiian AirlinesHA6717
American AirlinesAA9349
Qatar AirwaysQR3352
VIEW FLIGHTS
Friday
05:52
AirlineFlight  No
Korean AirKE3019
China Eastern AirlinesMU8804
07:36
AirlineFlight  No
Japan AirlinesJL5440
Qatar AirwaysQR2099
08:00
AirlineFlight  No
United AirlinesUA2398
Austrian AirlinesOS7908
LufthansaLH7485
Brussels AirlinesSN8850
09:18
AirlineFlight  No
Air Tahiti NuiTN2495
Alaska AirlinesAS408
Hawaiian AirlinesHA6724
American AirlinesAA9409
Qatar AirwaysQR2182
12:55
AirlineFlight  No
United AirlinesUA2275
LufthansaLH7487
AviancaAV2029
16:00
AirlineFlight  No
Alaska AirlinesAS406
21:50
AirlineFlight  No
Delta Air LinesDL541
22:15
AirlineFlight  No
United AirlinesUA2402
Ethiopian AirlinesET1369
All Nippon AirwaysNH7282
Copa AirlinesCM2765
23:23
AirlineFlight  No
United AirlinesUA2019
23:30
AirlineFlight  No
Air Tahiti NuiTN2784
Alaska AirlinesAS307
Hawaiian AirlinesHA6718
American AirlinesAA7597
Qatar AirwaysQR2043
Jet Linx AviationJL5440
23:59
AirlineFlight  No
Air Tahiti NuiTN2483
Hawaiian AirlinesHA6717
American AirlinesAA9349
Qatar AirwaysQR3352
VIEW FLIGHTS
Saturday
05:52
AirlineFlight  No
Korean AirKE3019
China Eastern AirlinesMU8804
06:12
AirlineFlight  No
Ethiopian AirlinesET1369
All Nippon AirwaysNH7282
Copa AirlinesCM2765
07:20
AirlineFlight  No
United AirlinesUA2019
07:36
AirlineFlight  No
Air Tahiti NuiTN2784
Hawaiian AirlinesHA6718
American AirlinesAA7597
Qatar AirwaysQR2043
Jet Linx AviationJL5440
08:00
AirlineFlight  No
United AirlinesUA2398
Austrian AirlinesOS7908
LufthansaLH7485
Brussels AirlinesSN8850
09:18
AirlineFlight  No
Air Tahiti NuiTN2495
Alaska AirlinesAS408
Hawaiian AirlinesHA6724
American AirlinesAA9409
Qatar AirwaysQR2182
12:55
AirlineFlight  No
United AirlinesUA2275
LufthansaLH7487
AviancaAV2029
16:00
AirlineFlight  No
Alaska AirlinesAS406
21:50
AirlineFlight  No
Delta Air LinesDL541
22:15
AirlineFlight  No
United AirlinesUA2402
23:30
AirlineFlight  No
Alaska AirlinesAS307
23:59
AirlineFlight  No
Air Tahiti NuiTN2483
Singapore AirlinesSQ1234
Hawaiian AirlinesHA6717
American AirlinesAA9349
Qatar AirwaysQR3352
VIEW FLIGHTS
Sunday
05:52
AirlineFlight  No
Korean AirKE3019
China Eastern AirlinesMU8804
06:12
AirlineFlight  No
Ethiopian AirlinesET1369
All Nippon AirwaysNH7282
Copa AirlinesCM2765
08:00
AirlineFlight  No
United AirlinesUA2398
09:18
AirlineFlight  No
Alaska AirlinesAS408
12:55
AirlineFlight  No
United AirlinesUA2275
15:15
AirlineFlight  No
Delta Air LinesDL541
16:00
AirlineFlight  No
Alaska AirlinesAS406
22:15
AirlineFlight  No
United AirlinesUA2402
23:23
AirlineFlight  No
United AirlinesUA2019
23:30
AirlineFlight  No
Alaska AirlinesAS307
VIEW FLIGHTS

Other routes are also possible. Flying from a different airport may offer more convenient flight times, so below we have we have put a list of other routes that may well be suitable.

Alternative Direct Routes
RouteStopsDistanceFlying Time
Seattle Boeing Field King County to Dulles05 Hours 10 Minutes
Richmond Vancouver to Dulles05 Hours 14 Minutes

A useful tip to save money to exchange money before you go, or go to a bureau de change outside of the airport when you arrive. The exchange rate within the airport are not very good so try to avoid changing money their if you can.

Planning a trip? Save money on car hire by booking in advance

Search for the cheapest car rental deals in Dulles Virginia, United States

Flight Price FAQ - Seattle (SEA) to Washington (IAD)

DIRECT Delta
What is the cheapest direct flight one way from Seattle SEA to Washington IAD?
The cheapest direct flight one way from Seattle SEA to Washington IAD is £105.97 ($143 €126.23)
£105.97
$143 | €126.23
Check Latest Price
DIRECT Delta
What is the cheapest direct return flight from Seattle SEA to Washington IAD?
The cheapest direct return flight from Seattle SEA to Washington IAD is £211.93 ($286 €252.46)
£211.93
$286 | €252.46
Check Latest Price
1+ STOP(S)
What is the cheapest flight one way from Seattle SEA to Washington IAD?
The cheapest flight one way from Seattle SEA to Washington IAD is £74.10 ($100 €88.27)
£74.10
$100 | €88.27
Check Latest Price
1+ STOP(S)
What is the cheapest return flight from Seattle SEA to Washington IAD?
The cheapest return flight from Seattle SEA to Washington IAD is £147.46 ($199 €175.67)
£147.46
$199 | €175.67
Check Latest Price
Important Note: Prices shown are taken from searches performed for flights operating during the current month. Please use the "Latest Price" buttons to get the most up to date airfares.

Compare Flight Prices from SEA to IAD

Was your flight delayed or cancelled?

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 - Seattle (SEA) to Washington (IAD)

Who flies from Seattle to Washington?
The following airlines fly from Seattle (SEA) to Washington (IAD): Air Tahiti Nui, Alaska Airlines, All Nippon Airways, American Airlines, Austrian Airlines, Avianca, Brussels Airlines, China Eastern Airlines, Copa Airlines, Delta Air Lines, Ethiopian Airlines, Hawaiian Airlines, Japan Airlines, Jet Linx Aviation, Korean Air, Lufthansa, Qatar Airways, Singapore Airlines, United Airlines.
How far is the flight from Seattle to Washington?
The flight from Seattle to Washington is 3,701KM or 2,300 miles.
How long does the flight from Seattle to Washington to take?
The flight from Seattle to Washington takes 5 Hours 10 Minutes.

Other Airports Connecting To Dulles International Airport in united states

Planning a trip? Save money on car rental by booking in advance

Search for the cheapest car hire deals at Dulles International Airport

Useful Information about Dulles International Airport

Lounges at Dulles International Airport

See all the airport lounges, locations and opening times available at Dulles International Airport

View...
Eating and Drinking at Dulles International Airport

See all bars and restaurants at Dulles International Airport, including locations and if they are before or after check-in

View...
Duty Free Shopping at Dulles International Airport

See all shops available at Dulles International Airport - plan your duty free shopping in advance

View...
Washington D. C. Tourist Attractions

Things to see and do in and around Washington D. C. in the United States of America

View...