Flights from Seattle Airport SEA to Washington Airport IAD

We've found the cheapest flights to Washington

Returns from £148.33

One-way from £88.85

Flights are available to Seattle-Tacoma International from Washington Dulles International with a choice of 16 airliners, ITA Airways, Iberia, Starlux, Ethiopian Airlines, Avianca, Jet Linx Aviation, United Airlines, Korean Air, Delta Air Lines, China Eastern Airlines, Brussels Airlines, Austrian Airlines, Qatar Airways, Hawaiian Airlines, American Airlines and Alaska Airlines. 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
Alaska Airlines001222009:2721:45VIEW FLIGHTS
Qatar Airways001122005:4009:27VIEW FLIGHTS
Hawaiian Airlines001122005:4009:27VIEW FLIGHTS
American Airlines001122005:4009:27VIEW FLIGHTS
United Airlines001111008:0016:02VIEW FLIGHTS
Korean Air001111023:4823:48VIEW FLIGHTS
Delta Air Lines001111015:5515:55VIEW FLIGHTS
China Eastern Airlines001111023:4823:48VIEW FLIGHTS
Brussels Airlines001111016:0216:02VIEW FLIGHTS
Austrian Airlines001111016:0216:02VIEW FLIGHTS
Jet Linx Aviation001011005:4009:27VIEW FLIGHTS
Starlux000011005:4005:40VIEW FLIGHTS
Ethiopian Airlines001001016:0216:02VIEW FLIGHTS
Avianca000101016:0216:02VIEW FLIGHTS
ITA Airways000100016:0216:02VIEW FLIGHTS
Iberia000100009:2709:27VIEW FLIGHTS

Currently Alaska Airlines offer the most direct flights from to Washington Dulles International from Seattle-Tacoma International with only 1 flight weekly. The time of the departure is 09:27

Contact Alaska Airlines at alaskaair.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
Wednesday
09:27
AirlineFlightNo
Alaska AirlinesAS737
Hawaiian AirlinesHA6724
American AirlinesAA7458
Qatar AirwaysQR3383
Jet Linx AviationJL5440
15:55
AirlineFlightNo
Delta Air LinesDL541
16:02
AirlineFlightNo
United AirlinesUA2474
Austrian AirlinesOS7908
Ethiopian AirlinesET1369
Brussels AirlinesSN8850
23:48
AirlineFlightNo
Korean AirKE3019
China Eastern AirlinesMU8804
VIEW FLIGHTS
Thursday
08:00
AirlineFlightNo
United AirlinesUA2474
09:27
AirlineFlightNo
Alaska AirlinesAS737
Hawaiian AirlinesHA6724
American AirlinesAA7458
IberiaIB7272
Qatar AirwaysQR3383
15:55
AirlineFlightNo
Delta Air LinesDL541
16:02
AirlineFlightNo
Austrian AirlinesOS7908
AviancaAV2029
Brussels AirlinesSN8850
ITA AirwaysAZ4377
21:45
AirlineFlightNo
Alaska AirlinesAS367
23:48
AirlineFlightNo
Korean AirKE3019
China Eastern AirlinesMU8804
VIEW FLIGHTS
Friday
05:40
AirlineFlightNo
Hawaiian AirlinesHA6718
American AirlinesAA9440
Qatar AirwaysQR2068
Jet Linx AviationJL5440
StarluxJX7072
08:00
AirlineFlightNo
United AirlinesUA2474
09:27
AirlineFlightNo
Alaska AirlinesAS737
Hawaiian AirlinesHA6724
American AirlinesAA7458
Qatar AirwaysQR3383
15:55
AirlineFlightNo
Delta Air LinesDL541
16:02
AirlineFlightNo
Austrian AirlinesOS7908
Brussels AirlinesSN8850
21:45
AirlineFlightNo
Alaska AirlinesAS367
23:48
AirlineFlightNo
Korean AirKE3019
China Eastern AirlinesMU8804
VIEW FLIGHTS
Saturday
05:40
AirlineFlightNo
Alaska AirlinesAS367
Hawaiian AirlinesHA6718
American AirlinesAA9440
Qatar AirwaysQR2068
StarluxJX7072
08:00
AirlineFlightNo
United AirlinesUA2474
09:27
AirlineFlightNo
Alaska AirlinesAS737
Hawaiian AirlinesHA6724
American AirlinesAA7458
Qatar AirwaysQR3383
Jet Linx AviationJL5440
15:55
AirlineFlightNo
Delta Air LinesDL541
16:02
AirlineFlightNo
Austrian AirlinesOS7908
Ethiopian AirlinesET1369
AviancaAV2029
Brussels AirlinesSN8850
23:48
AirlineFlightNo
Korean AirKE3019
China Eastern AirlinesMU8804
VIEW FLIGHTS

You may instead fly from Seattle-Tacoma International and arrive at Washington Dulles International by an alternative airport or airports. The summary of this is in the table below.

Alternative Direct Routes
RouteStopsDistanceFlying Time
Seattle Boeing Field King County to Dulles03,701 km (2,299 miles)5 Hours 10 Minutes

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 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 £88.85 ($118 €102.78)
£88.85
$118 | €102.78
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 £148.33 ($197 €171.58)
£148.33
$197 | €171.58
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 £81.32 ($108 €94.07)
£81.32
$108 | €94.07
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): Alaska Airlines, American Airlines, Austrian Airlines, Avianca, Brussels Airlines, China Eastern Airlines, Delta Air Lines, Ethiopian Airlines, Hawaiian Airlines, Iberia, ITA Airways, 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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