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

We've found the cheapest flights to Washington

Returns from £141.34

One-way from £83.76

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

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
Alaska Airlines221222206:0622:11VIEW FLIGHTS
Qatar Airways221222006:0622:11VIEW FLIGHTS
Hawaiian Airlines221222006:0622:11VIEW FLIGHTS
American Airlines221222006:0622:11VIEW FLIGHTS
Air Tahiti Nui221222006:0622:11VIEW FLIGHTS
United Airlines111111108:1008:10VIEW FLIGHTS
Delta Air Lines111111115:3015:30VIEW FLIGHTS
Korean Air111111015:3015:30VIEW FLIGHTS
Jet Linx Aviation111111008:4022:11VIEW FLIGHTS
China Eastern Airlines111111015:3015:30VIEW FLIGHTS
Brussels Airlines111111008:1008:10VIEW FLIGHTS
Austrian Airlines111111008:1008:10VIEW FLIGHTS
Starlux110111006:0622:11VIEW FLIGHTS
Ethiopian Airlines101101008:1008:10VIEW FLIGHTS
Avianca011110008:1008:10VIEW FLIGHTS
Iberia010100008:4008:40VIEW FLIGHTS

Flights from Seattle-Tacoma International to Washington Dulles 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 06:06

To book your flight you can visit Alaska Airlines on their website alaskaair.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
08:10
AirlineFlight  No
United AirlinesUA2217
Austrian AirlinesOS7908
Ethiopian AirlinesET1369
Brussels AirlinesSN8850
08:40
AirlineFlight  No
Air Tahiti NuiTN2430
Alaska AirlinesAS436
Hawaiian AirlinesHA6724
American AirlinesAA9349
Qatar AirwaysQR2177
15:30
AirlineFlight  No
Korean AirKE3019
China Eastern AirlinesMU8804
Delta Air LinesDL541
22:11
AirlineFlight  No
Air Tahiti NuiTN2791
Alaska AirlinesAS367
Hawaiian AirlinesHA6718
American AirlinesAA9440
Qatar AirwaysQR2068
Jet Linx AviationJL5440
StarluxJX7072
VIEW FLIGHTS
Tuesday
06:06
AirlineFlight  No
Air Tahiti NuiTN2791
Alaska AirlinesAS367
Hawaiian AirlinesHA6718
American AirlinesAA9440
Qatar AirwaysQR2068
StarluxJX7072
08:10
AirlineFlight  No
United AirlinesUA2217
Austrian AirlinesOS7908
AviancaAV2029
Brussels AirlinesSN8850
08:40
AirlineFlight  No
Air Tahiti NuiTN2556
Alaska AirlinesAS436
Hawaiian AirlinesHA6724
American AirlinesAA9349
IberiaIB7308
Qatar AirwaysQR2990
Jet Linx AviationJL5440
15:30
AirlineFlight  No
Korean AirKE3019
China Eastern AirlinesMU8804
Delta Air LinesDL541
VIEW FLIGHTS
Wednesday
08:10
AirlineFlight  No
United AirlinesUA2217
Austrian AirlinesOS7908
Ethiopian AirlinesET1369
AviancaAV2029
Brussels AirlinesSN8850
08:40
AirlineFlight  No
Air Tahiti NuiTN2556
Alaska AirlinesAS436
Hawaiian AirlinesHA6724
American AirlinesAA9349
Qatar AirwaysQR2990
Jet Linx AviationJL5440
15:30
AirlineFlight  No
Korean AirKE3019
China Eastern AirlinesMU8804
Delta Air LinesDL541
VIEW FLIGHTS
Thursday
08:10
AirlineFlight  No
United AirlinesUA2217
Austrian AirlinesOS7908
Ethiopian AirlinesET1369
AviancaAV2029
Brussels AirlinesSN8850
08:40
AirlineFlight  No
Air Tahiti NuiTN2430
Alaska AirlinesAS436
Hawaiian AirlinesHA6724
American AirlinesAA9349
IberiaIB7308
Qatar AirwaysQR2177
15:30
AirlineFlight  No
Korean AirKE3019
China Eastern AirlinesMU8804
Delta Air LinesDL541
22:11
AirlineFlight  No
Air Tahiti NuiTN2791
Alaska AirlinesAS367
Hawaiian AirlinesHA6718
American AirlinesAA9440
Qatar AirwaysQR2068
Jet Linx AviationJL5440
StarluxJX7072
VIEW FLIGHTS
Friday
08:10
AirlineFlight  No
United AirlinesUA2217
Austrian AirlinesOS7908
AviancaAV2029
Brussels AirlinesSN8850
08:40
AirlineFlight  No
Air Tahiti NuiTN2430
Alaska AirlinesAS436
Hawaiian AirlinesHA6724
American AirlinesAA9349
Qatar AirwaysQR2177
15:30
AirlineFlight  No
Korean AirKE3019
China Eastern AirlinesMU8804
Delta Air LinesDL541
22:11
AirlineFlight  No
Air Tahiti NuiTN2791
Alaska AirlinesAS367
Hawaiian AirlinesHA6718
American AirlinesAA9440
Qatar AirwaysQR2068
Jet Linx AviationJL5440
StarluxJX7072
VIEW FLIGHTS
Saturday
06:06
AirlineFlight  No
Air Tahiti NuiTN2791
Alaska AirlinesAS367
Hawaiian AirlinesHA6718
American AirlinesAA9440
Qatar AirwaysQR2068
StarluxJX7072
08:10
AirlineFlight  No
United AirlinesUA2217
Austrian AirlinesOS7908
Ethiopian AirlinesET1369
Brussels AirlinesSN8850
08:40
AirlineFlight  No
Air Tahiti NuiTN2556
Alaska AirlinesAS436
Hawaiian AirlinesHA6724
American AirlinesAA9349
Qatar AirwaysQR2990
Jet Linx AviationJL5440
15:30
AirlineFlight  No
Korean AirKE3019
China Eastern AirlinesMU8804
Delta Air LinesDL541
VIEW FLIGHTS
Sunday
08:10
AirlineFlight  No
United AirlinesUA2217
08:40
AirlineFlight  No
Alaska AirlinesAS436
15:30
AirlineFlight  No
Delta Air LinesDL541
22:11
AirlineFlight  No
Alaska AirlinesAS367
VIEW FLIGHTS

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.

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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 £83.76 ($112 €95.36)
£83.76
$112 | €95.36
Check Latest Price
DIRECT Hawaiian Airlines
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 £141.34 ($189 €160.91)
£141.34
$189 | €160.91
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 £66.56 ($89 €75.77)
£66.56
$89 | €75.77
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

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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, Jet Linx Aviation, Korean Air, Qatar Airways, Starlux, 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.

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