Flights from Seattle Airport SEA to Washington Airport IAD

We've found the cheapest flights to Washington

Returns from £225.58

One-way from £112.79

Flights are available to Seattle-Tacoma International from Washington Dulles International with a choice of 16 airliners, Singapore Airlines, Avianca, Ethiopian Airlines, Austrian Airlines, KLM, Virgin Atlantic, Qatar Airways, Lufthansa, Jet Linx Aviation, Hawaiian Airlines, China Eastern Airlines, Brussels Airlines, Air Tahiti Nui, United Airlines, Delta Air Lines 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
United Airlines111111108:0008:00VIEW FLIGHTS
Delta Air Lines111111107:1007:10VIEW FLIGHTS
Alaska Airlines111111109:5409:54VIEW FLIGHTS
Virgin Atlantic111111007:1007:10VIEW FLIGHTS
Qatar Airways111111009:5409:54VIEW FLIGHTS
Lufthansa111111008:0008:00VIEW FLIGHTS
Jet Linx Aviation111111009:5409:54VIEW FLIGHTS
Hawaiian Airlines111111009:5409:54VIEW FLIGHTS
China Eastern Airlines111111007:1007:10VIEW FLIGHTS
Brussels Airlines111111008:0008:00VIEW FLIGHTS
Air Tahiti Nui111111009:5409:54VIEW FLIGHTS
KLM111011007:1007:10VIEW FLIGHTS
Ethiopian Airlines101101008:0008:00VIEW FLIGHTS
Austrian Airlines010111008:0008:00VIEW FLIGHTS
Singapore Airlines010101009:5409:54VIEW FLIGHTS
Avianca010101008:0008:00VIEW FLIGHTS

Currently United 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 08:00

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
07:10
AirlineFlightNo
China Eastern AirlinesMU8779
KLMKL8009
Delta Air LinesDL508
Virgin AtlanticVS3010
08:00
AirlineFlightNo
United AirlinesUA1360
Ethiopian AirlinesET1369
LufthansaLH7487
Brussels AirlinesSN8850
09:54
AirlineFlightNo
Air Tahiti NuiTN2465
Alaska AirlinesAS406
Hawaiian AirlinesHA6444
Qatar AirwaysQR2168
Jet Linx AviationJL5440
VIEW FLIGHTS
Tuesday
07:10
AirlineFlightNo
China Eastern AirlinesMU8779
KLMKL8009
Delta Air LinesDL508
Virgin AtlanticVS3010
08:00
AirlineFlightNo
United AirlinesUA1360
Austrian AirlinesOS7908
LufthansaLH7487
AviancaAV2029
Brussels AirlinesSN8850
09:54
AirlineFlightNo
Air Tahiti NuiTN2465
Singapore AirlinesSQ1234
Alaska AirlinesAS406
Hawaiian AirlinesHA6444
Qatar AirwaysQR2168
Jet Linx AviationJL5440
VIEW FLIGHTS
Wednesday
07:10
AirlineFlightNo
China Eastern AirlinesMU8779
KLMKL8009
Delta Air LinesDL508
Virgin AtlanticVS3010
08:00
AirlineFlightNo
United AirlinesUA1360
Ethiopian AirlinesET1369
LufthansaLH7487
Brussels AirlinesSN8850
09:54
AirlineFlightNo
Air Tahiti NuiTN2465
Alaska AirlinesAS406
Hawaiian AirlinesHA6444
Qatar AirwaysQR2168
Jet Linx AviationJL5440
VIEW FLIGHTS
Thursday
07:10
AirlineFlightNo
China Eastern AirlinesMU8779
Delta Air LinesDL508
Virgin AtlanticVS3010
08:00
AirlineFlightNo
United AirlinesUA1360
Austrian AirlinesOS7908
Ethiopian AirlinesET1369
LufthansaLH7487
AviancaAV2029
Brussels AirlinesSN8850
09:54
AirlineFlightNo
Air Tahiti NuiTN2465
Singapore AirlinesSQ1234
Alaska AirlinesAS406
Hawaiian AirlinesHA6444
Qatar AirwaysQR2168
Jet Linx AviationJL5440
VIEW FLIGHTS
Friday
07:10
AirlineFlightNo
China Eastern AirlinesMU8779
KLMKL8009
Delta Air LinesDL508
Virgin AtlanticVS3010
08:00
AirlineFlightNo
United AirlinesUA1360
Austrian AirlinesOS7908
LufthansaLH7487
Brussels AirlinesSN8850
09:54
AirlineFlightNo
Air Tahiti NuiTN2465
Alaska AirlinesAS406
Hawaiian AirlinesHA6444
Qatar AirwaysQR2168
Jet Linx AviationJL5440
VIEW FLIGHTS
Saturday
07:10
AirlineFlightNo
China Eastern AirlinesMU8779
KLMKL8009
Delta Air LinesDL508
Virgin AtlanticVS3010
08:00
AirlineFlightNo
United AirlinesUA1360
Austrian AirlinesOS7908
Ethiopian AirlinesET1369
LufthansaLH7487
AviancaAV2029
Brussels AirlinesSN8850
09:54
AirlineFlightNo
Air Tahiti NuiTN2465
Singapore AirlinesSQ1234
Alaska AirlinesAS406
Hawaiian AirlinesHA6444
Qatar AirwaysQR2168
Jet Linx AviationJL5440
VIEW FLIGHTS
Sunday
07:10
AirlineFlightNo
Delta Air LinesDL508
08:00
AirlineFlightNo
United AirlinesUA1360
09:54
AirlineFlightNo
Alaska AirlinesAS406
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.

Planning a Holiday or Business Trip?

Find cheap vehicle rental deals in Seattle

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

DIRECT United
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 £112.79 ($138 €133.30)
£112.79
$138 | €133.30
Check Latest Price
DIRECT Alaska 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 £225.58 ($276 €266.59)
£225.58
$276 | €266.59
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, Austrian Airlines, Avianca, Brussels Airlines, China Eastern Airlines, Delta Air Lines, Ethiopian Airlines, Hawaiian Airlines, Jet Linx Aviation, KLM, Lufthansa, Qatar Airways, Singapore Airlines, United Airlines, Virgin Atlantic.
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.

Alternative Airports in United States with Connections from Seattle Airport

Looking for the best hire car deals?

Search for the cheapest vehicle hire deals at SEA

Useful Information about Seattle Airport

Lounges at Seattle Airport

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

View...
Eating and Drinking at Seattle Airport

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

View...
Duty Free Shopping at Seattle Airport

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

View...
Seattle Tourist Attractions

From wine tasting to a coffee & chocolate walking tour, just some of the things to see in Seattle..

View...