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

Q: How long does the flight from Seattle to Washington to take?

The flight from Seattle to Washington takes5 Hours 10 Minutes.

We've found the cheapest flights to Washington

Returns from £147.25

One-way from £84.35

Airliners including Japan Airlines, Iberia, Ethiopian Airlines, Austrian Airlines, Qatar Airways, Korean Air, Jet Linx Aviation, Hawaiian Airlines, China Eastern Airlines, Brussels Airlines, Avianca, American Airlines, Air Tahiti Nui, United Airlines, Delta Air Lines and Alaska Airlines 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.

Travellers planning to fly from Seattle-Tacoma International Airport to Washington Dulles International Airport can pre-book short or long term car parking at Seattle-Tacoma International Airport.

If you chose to rent a car at Washington Dulles International Airport and need to return it, find the nearest fuel station along your route to Washington Dulles International Airport in order to avoid incurring additional cost when you return your vehicle.

Below are some options if you require transport to Seattle-Tacoma International Airport:

Ensure your arrival at Washington Dulles International Airport is as smooth as possible by pre-booking your transport - which in many cases will also save you money:

Need a place to stay when you get to Washington? See a range of hotels near Washington Dulles International Airport

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

Airliner	Mo	Tu	We	Th	First Flight	Last Flight	Flights
United Airlines	1	1	1	1	08:10	08:10	VIEW FLIGHTS
Delta Air Lines	1	1	1	1	15:20	15:20	VIEW FLIGHTS
Alaska Airlines	1	1	1	1	08:30	08:30	VIEW FLIGHTS
Qatar Airways	1	1	1	0	08:30	08:30	VIEW FLIGHTS
Korean Air	1	1	1	0	15:20	15:20	VIEW FLIGHTS
Jet Linx Aviation	1	1	1	0	08:30	16:26	VIEW FLIGHTS
Hawaiian Airlines	1	1	1	0	08:30	08:30	VIEW FLIGHTS
China Eastern Airlines	1	1	1	0	15:20	15:20	VIEW FLIGHTS
Brussels Airlines	1	1	1	0	08:10	08:10	VIEW FLIGHTS
Avianca	1	1	1	0	08:10	08:10	VIEW FLIGHTS
American Airlines	1	1	1	0	08:30	08:30	VIEW FLIGHTS
Air Tahiti Nui	1	1	1	0	08:30	08:30	VIEW FLIGHTS
Ethiopian Airlines	1	0	1	0	08:10	08:10	VIEW FLIGHTS
Austrian Airlines	1	0	1	0	08:10	08:10	VIEW FLIGHTS
Japan Airlines	0	0	1	0	08:30	08:30	VIEW FLIGHTS
Iberia	0	1	0	0	08:30	08:30	VIEW FLIGHTS

United Airlines is the most popular airliners who operate this route. They have around 4 a week with times that vary between 08:10 and 08:10.

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

Day

Flight Times

Flights

Monday

08:10

Airline	Flight No
United Airlines	UA2217
Austrian Airlines	OS7908
Ethiopian Airlines	ET1369
Avianca	AV2029
Brussels Airlines	SN8850

08:30

Airline	Flight No
Air Tahiti Nui	TN2384
Alaska Airlines	AS737
Hawaiian Airlines	HA6724
American Airlines	AA7458
Qatar Airways	QR3383
Jet Linx Aviation	JL5440

15:20

Airline	Flight No
Korean Air	KE3019
China Eastern Airlines	MU8804
Delta Air Lines	DL541

VIEW FLIGHTS

Tuesday

08:10

Airline	Flight No
United Airlines	UA2217
Avianca	AV2029
Brussels Airlines	SN8850

08:30

Airline	Flight No
Air Tahiti Nui	TN2384
Alaska Airlines	AS737
Hawaiian Airlines	HA6724
American Airlines	AA7458
Iberia	IB7272
Qatar Airways	QR3383
Jet Linx Aviation	JL5440

15:20

Airline	Flight No
Korean Air	KE3019
China Eastern Airlines	MU8804
Delta Air Lines	DL541

VIEW FLIGHTS

Wednesday

08:10

Airline	Flight No
United Airlines	UA2217
Austrian Airlines	OS7908
Ethiopian Airlines	ET1369
Avianca	AV2029
Brussels Airlines	SN8850

08:30

Airline	Flight No
Air Tahiti Nui	TN2384
Alaska Airlines	AS737
Hawaiian Airlines	HA6724
American Airlines	AA7458
Japan Airlines	JL5440
Qatar Airways	QR3383

15:20

Airline	Flight No
Korean Air	KE3019
China Eastern Airlines	MU8804
Delta Air Lines	DL541

16:26

Airline	Flight No
Jet Linx Aviation	JL5440

VIEW FLIGHTS

Thursday

08:10

Airline	Flight No
United Airlines	UA2217

08:30

Airline	Flight No
Alaska Airlines	AS737

15:20

Airline	Flight No
Delta Air Lines	DL541

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

Route	Stops	Distance	Flying Time
Seattle Boeing Field King County to Dulles	0		5 Hours 10 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 Hawaiian Airlines

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 £84.35 ($114 €97.13)

£84.35

$114 | €97.13

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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 £147.25 ($199 €169.55)

£147.25

$199 | €169.55

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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 £70.29 ($95 €80.94)

£70.29

$95 | €80.94

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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

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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, American Airlines, Austrian Airlines, Avianca, Brussels Airlines, China Eastern Airlines, Delta Air Lines, Ethiopian Airlines, Hawaiian Airlines, Iberia, Japan Airlines, Jet Linx Aviation, Korean Air, Qatar Airways, 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.