Flights from Seattle Airport SEA to Washington Airport IAD

We've found the cheapest flights to Washington

Returns from £147.98

One-way from £84.77

Flights are available to Seattle-Tacoma International from Washington Dulles International with a choice of 16 airliners, Korean Air, China Eastern Airlines, Delta Air Lines, Brussels Airlines, Austrian Airlines, Avianca, Starlux, Jet Linx Aviation, Ethiopian Airlines, Copa Airlines, Hawaiian Airlines, American Airlines, Air Tahiti Nui, Alaska Airlines, United Airlines and Qatar Airways. The journey time flying from Seattle-Tacoma International to Washington Dulles International United States is around 5 Hours 10 Minutes. With the distance covered being 3,701 Km (2,300 Miles). The airport code for Seattle-Tacoma International is SEA and for Washington Dulles International it is IAD.

The cost of your trip (flights) can change at weekends and at certain times of the day (if there is a choice of flights to your chosen destination. Washington Dulles International United States flights may be normally booked months in advance and this may be the best option if you intend to get the best prices from Seattle-Tacoma International. Flights to Washington Dulles International United States normally increase in price the nearer the journey date, so it is worth trying to book your tickets in advance if you can.

The time zone at Washington Dulles International is 5.0 GMT compared to 8.0 GMT at Seattle-Tacoma International so bare this in mind is you need to make travel arrangements when you arrive at Washington Dulles International.

The table below shows the amount of daily flights in operation from Seattle-Tacoma International (SEA) to Washington Dulles International (IAD).

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
United Airlines222232208:0023:39VIEW FLIGHTS
Qatar Airways323222106:1322:14VIEW FLIGHTS
Alaska Airlines222222206:1322:14VIEW FLIGHTS
Hawaiian Airlines222222106:1322:14VIEW FLIGHTS
American Airlines222222106:1322:14VIEW FLIGHTS
Air Tahiti Nui222222106:1322:14VIEW FLIGHTS
Starlux111111106:1322:14VIEW FLIGHTS
Jet Linx Aviation111111110:0022:14VIEW FLIGHTS
Ethiopian Airlines111111107:1123:15VIEW FLIGHTS
Copa Airlines111111107:1123:15VIEW FLIGHTS
Avianca111110107:1123:15VIEW FLIGHTS
Delta Air Lines110011115:3015:30VIEW FLIGHTS
Brussels Airlines111110008:0008:00VIEW FLIGHTS
Austrian Airlines111110008:0008:00VIEW FLIGHTS
Korean Air110011015:3015:30VIEW FLIGHTS
China Eastern Airlines110011015:3015:30VIEW FLIGHTS

United Airlines offer the most direct flights from Seattle-Tacoma International to Washington Dulles International with an average of 15 flights a week. The earliest flights are operated at 08:00 and the latest flights operated at 23:39 and the most common flight numbers are UA1483, UA2019 and UA2217

Contact United Airlines at united.com to booking a flight or find up to date information on the flight times.

Below you can see the times of all flights. These flight times do vary so we recommend you look on the appropriate airline website for accurate information for the dates you are departing.

Flights Time In WeekDays
DayFlight TimesFlights
Monday
08:00
AirlineFlightNo
United AirlinesUA2217
Austrian AirlinesOS7908
Brussels AirlinesSN8850
09:34
AirlineFlightNo
Air Tahiti NuiTN2535
Alaska AirlinesAS406
Hawaiian AirlinesHA6724
American AirlinesAA9349
Qatar AirwaysQR3407
15:30
AirlineFlightNo
Korean AirKE3019
China Eastern AirlinesMU8779
Delta Air LinesDL508
22:14
AirlineFlightNo
Air Tahiti NuiTN2791
Alaska AirlinesAS367
Hawaiian AirlinesHA6718
American AirlinesAA9440
Qatar AirwaysQR2068
Qatar AirwaysQR2087
Jet Linx AviationJL5440
StarluxJX7072
23:15
AirlineFlightNo
United AirlinesUA2019
Ethiopian AirlinesET1369
AviancaAV2029
Copa AirlinesCM2765
VIEW FLIGHTS
Tuesday
08:00
AirlineFlightNo
United AirlinesUA2217
Austrian AirlinesOS7908
AviancaAV2029
Brussels AirlinesSN8850
09:34
AirlineFlightNo
Air Tahiti NuiTN2535
Alaska AirlinesAS406
Hawaiian AirlinesHA6724
American AirlinesAA9349
Qatar AirwaysQR3407
15:30
AirlineFlightNo
Korean AirKE3019
China Eastern AirlinesMU8779
Delta Air LinesDL508
22:14
AirlineFlightNo
Air Tahiti NuiTN2791
Alaska AirlinesAS367
Hawaiian AirlinesHA6718
American AirlinesAA9440
Qatar AirwaysQR2068
Jet Linx AviationJL5440
StarluxJX7072
23:15
AirlineFlightNo
United AirlinesUA2019
Ethiopian AirlinesET1369
Copa AirlinesCM2765
VIEW FLIGHTS
Wednesday
08:00
AirlineFlightNo
United AirlinesUA2217
Austrian AirlinesOS7908
AviancaAV2029
Brussels AirlinesSN8850
09:34
AirlineFlightNo
Air Tahiti NuiTN2535
Alaska AirlinesAS406
Hawaiian AirlinesHA6724
American AirlinesAA9349
Qatar AirwaysQR3407
22:14
AirlineFlightNo
Air Tahiti NuiTN2791
Alaska AirlinesAS367
Hawaiian AirlinesHA6718
American AirlinesAA9440
Qatar AirwaysQR2068
Qatar AirwaysQR2087
Jet Linx AviationJL5440
StarluxJX7072
23:15
AirlineFlightNo
United AirlinesUA2019
Ethiopian AirlinesET1369
Copa AirlinesCM2765
VIEW FLIGHTS
Thursday
06:13
AirlineFlightNo
Air Tahiti NuiTN2791
Alaska AirlinesAS367
Hawaiian AirlinesHA6718
American AirlinesAA9440
Qatar AirwaysQR2087
StarluxJX7072
08:00
AirlineFlightNo
United AirlinesUA2217
Austrian AirlinesOS7908
AviancaAV2029
Brussels AirlinesSN8850
10:00
AirlineFlightNo
Air Tahiti NuiTN2556
Alaska AirlinesAS406
Hawaiian AirlinesHA6724
American AirlinesAA9349
Qatar AirwaysQR2990
Jet Linx AviationJL5440
23:15
AirlineFlightNo
United AirlinesUA2019
Ethiopian AirlinesET1369
Copa AirlinesCM2765
VIEW FLIGHTS
Friday
08:00
AirlineFlightNo
United AirlinesUA2217
Austrian AirlinesOS7908
AviancaAV2029
Brussels AirlinesSN8850
09:34
AirlineFlightNo
Air Tahiti NuiTN2535
Alaska AirlinesAS406
Hawaiian AirlinesHA6724
American AirlinesAA9349
Qatar AirwaysQR3407
15:30
AirlineFlightNo
Korean AirKE3019
China Eastern AirlinesMU8779
Delta Air LinesDL508
22:14
AirlineFlightNo
Air Tahiti NuiTN2791
Alaska AirlinesAS367
Hawaiian AirlinesHA6718
American AirlinesAA9440
Qatar AirwaysQR2068
Jet Linx AviationJL5440
StarluxJX7072
23:15
AirlineFlightNo
United AirlinesUA2019
Ethiopian AirlinesET1369
Copa AirlinesCM2765
23:39
AirlineFlightNo
United AirlinesUA1483
VIEW FLIGHTS
Saturday
07:11
AirlineFlightNo
Ethiopian AirlinesET1369
Copa AirlinesCM2765
07:35
AirlineFlightNo
United AirlinesUA1483
09:34
AirlineFlightNo
Air Tahiti NuiTN2535
Alaska AirlinesAS406
Hawaiian AirlinesHA6724
American AirlinesAA9349
Qatar AirwaysQR3407
15:30
AirlineFlightNo
Korean AirKE3019
China Eastern AirlinesMU8779
Delta Air LinesDL508
22:14
AirlineFlightNo
Air Tahiti NuiTN2791
Alaska AirlinesAS367
Hawaiian AirlinesHA6718
American AirlinesAA9440
Qatar AirwaysQR2068
Jet Linx AviationJL5440
StarluxJX7072
23:15
AirlineFlightNo
United AirlinesUA2019
VIEW FLIGHTS
Sunday
07:11
AirlineFlightNo
Ethiopian AirlinesET1369
AviancaAV2029
Copa AirlinesCM2765
08:00
AirlineFlightNo
United AirlinesUA2217
09:34
AirlineFlightNo
Alaska AirlinesAS406
15:30
AirlineFlightNo
Delta Air LinesDL508
22:14
AirlineFlightNo
Air Tahiti NuiTN2791
Alaska AirlinesAS367
Hawaiian AirlinesHA6718
American AirlinesAA9440
Qatar AirwaysQR2087
Jet Linx AviationJL5440
StarluxJX7072
23:15
AirlineFlightNo
United AirlinesUA2019
VIEW FLIGHTS

Remember to have some local currency before travelling to Washington Dulles International as there may not be a bureau de change open upon your arrival.

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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 £84.77 ($114 €97.16)
£84.77
$114 | €97.16
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 £147.98 ($199 €169.61)
£147.98
$199 | €169.61
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 £70.64 ($95 €80.97)
£70.64
$95 | €80.97
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, Copa Airlines, Delta Air Lines, Ethiopian Airlines, Hawaiian Airlines, 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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