Flights from Seattle Airport SEA to Washington Airport IAD

We've found the cheapest flights to Washington

Returns from £204.16

One-way from £104.35

Flights are available to Seattle-Tacoma International from Washington Dulles International with a choice of 17 airliners, Singapore Airlines, Ethiopian Airlines, Copa Airlines, Japan Airlines, Brussels Airlines, Avianca, Austrian Airlines, Korean Air, Delta Air Lines, China Eastern Airlines, Lufthansa, Hawaiian Airlines, American Airlines, Air Tahiti Nui, United Airlines, Alaska 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
Qatar Airways233332005:3421:40VIEW FLIGHTS
United Airlines222222208:1512:46VIEW FLIGHTS
Alaska Airlines222222210:0021:40VIEW FLIGHTS
Lufthansa222222008:1512:46VIEW FLIGHTS
Hawaiian Airlines222222010:0021:40VIEW FLIGHTS
American Airlines222222010:0021:40VIEW FLIGHTS
Air Tahiti Nui222222010:0021:40VIEW FLIGHTS
Korean Air111111106:0822:15VIEW FLIGHTS
Delta Air Lines111111122:1522:15VIEW FLIGHTS
China Eastern Airlines111111122:1522:15VIEW FLIGHTS
Japan Airlines111111021:4021:40VIEW FLIGHTS
Brussels Airlines111111008:1508:15VIEW FLIGHTS
Avianca111111012:4612:46VIEW FLIGHTS
Austrian Airlines111111008:1508:15VIEW FLIGHTS
Ethiopian Airlines101101008:1508:15VIEW FLIGHTS
Copa Airlines101110012:4612:46VIEW FLIGHTS
Singapore Airlines0000010VIEW FLIGHTS

Qatar Airways offer the most direct flights from Seattle-Tacoma International to Washington Dulles International with an average of 16 flights a week. The earliest flights are operated at 05:34 and the latest flights operated at 21:40 and the most common flight numbers are QR2112, QR4284 and QR8844

Contact Qatar Airways at qatarairways.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
08:15
AirlineFlightNo
United AirlinesUA2398
Austrian AirlinesOS7908
Ethiopian AirlinesET1369
LufthansaLH7485
Brussels AirlinesSN8850
10:00
AirlineFlightNo
Air Tahiti NuiTN2465
Alaska AirlinesAS406
Hawaiian AirlinesHA6613
American AirlinesAA9349
Qatar AirwaysQR4284
12:46
AirlineFlightNo
United AirlinesUA2275
LufthansaLH7487
AviancaAV2029
Copa AirlinesCM2765
21:40
AirlineFlightNo
Air Tahiti NuiTN2611
Alaska AirlinesAS348
Hawaiian AirlinesHA6717
American AirlinesAA9375
Japan AirlinesJL5440
Qatar AirwaysQR8844
22:15
AirlineFlightNo
Korean AirKE3019
China Eastern AirlinesMU8804
Delta Air LinesDL541
VIEW FLIGHTS
Tuesday
08:15
AirlineFlightNo
United AirlinesUA2398
Austrian AirlinesOS7908
LufthansaLH7485
Brussels AirlinesSN8850
10:00
AirlineFlightNo
Air Tahiti NuiTN2465
Alaska AirlinesAS406
Hawaiian AirlinesHA6613
American AirlinesAA9349
Qatar AirwaysQR4284
12:46
AirlineFlightNo
United AirlinesUA2275
LufthansaLH7487
AviancaAV2029
21:40
AirlineFlightNo
Air Tahiti NuiTN2611
Alaska AirlinesAS348
Hawaiian AirlinesHA6717
American AirlinesAA9375
Japan AirlinesJL5440
Qatar AirwaysQR2112
Qatar AirwaysQR8844
22:15
AirlineFlightNo
Korean AirKE3019
China Eastern AirlinesMU8804
Delta Air LinesDL541
VIEW FLIGHTS
Wednesday
05:34
AirlineFlightNo
Qatar AirwaysQR2112
08:15
AirlineFlightNo
United AirlinesUA2398
Austrian AirlinesOS7908
Ethiopian AirlinesET1369
LufthansaLH7485
Brussels AirlinesSN8850
10:00
AirlineFlightNo
Air Tahiti NuiTN2465
Alaska AirlinesAS406
Hawaiian AirlinesHA6613
American AirlinesAA9349
Qatar AirwaysQR4284
12:46
AirlineFlightNo
United AirlinesUA2275
LufthansaLH7487
AviancaAV2029
Copa AirlinesCM2765
21:40
AirlineFlightNo
Air Tahiti NuiTN2611
Alaska AirlinesAS348
Hawaiian AirlinesHA6717
American AirlinesAA9375
Japan AirlinesJL5440
Qatar AirwaysQR8844
22:15
AirlineFlightNo
Korean AirKE3019
China Eastern AirlinesMU8804
Delta Air LinesDL541
VIEW FLIGHTS
Thursday
05:34
AirlineFlightNo
Qatar AirwaysQR8844
08:15
AirlineFlightNo
United AirlinesUA2398
Austrian AirlinesOS7908
Ethiopian AirlinesET1369
LufthansaLH7485
Brussels AirlinesSN8850
10:00
AirlineFlightNo
Air Tahiti NuiTN2465
Alaska AirlinesAS406
Hawaiian AirlinesHA6613
American AirlinesAA9349
Qatar AirwaysQR4284
12:46
AirlineFlightNo
United AirlinesUA2275
LufthansaLH7487
AviancaAV2029
Copa AirlinesCM2765
21:40
AirlineFlightNo
Air Tahiti NuiTN2611
Alaska AirlinesAS348
Hawaiian AirlinesHA6717
American AirlinesAA9375
Japan AirlinesJL5440
Qatar AirwaysQR2112
22:15
AirlineFlightNo
Korean AirKE3019
China Eastern AirlinesMU8804
Delta Air LinesDL541
VIEW FLIGHTS
Friday
08:15
AirlineFlightNo
United AirlinesUA2398
Austrian AirlinesOS7908
LufthansaLH7485
Brussels AirlinesSN8850
10:00
AirlineFlightNo
Air Tahiti NuiTN2465
Alaska AirlinesAS406
Hawaiian AirlinesHA6613
American AirlinesAA9349
Qatar AirwaysQR4284
12:46
AirlineFlightNo
United AirlinesUA2275
LufthansaLH7487
AviancaAV2029
Copa AirlinesCM2765
21:40
AirlineFlightNo
Air Tahiti NuiTN2611
Alaska AirlinesAS348
Hawaiian AirlinesHA6717
American AirlinesAA9375
Japan AirlinesJL5440
Qatar AirwaysQR2112
Qatar AirwaysQR8844
22:15
AirlineFlightNo
Korean AirKE3019
China Eastern AirlinesMU8804
Delta Air LinesDL541
VIEW FLIGHTS
Saturday
05:34
AirlineFlightNo
Air Tahiti NuiTN2611
Alaska AirlinesAS348
Hawaiian AirlinesHA6717
American AirlinesAA9375
Qatar AirwaysQR8844
06:08
AirlineFlightNo
Korean AirKE3019
China Eastern AirlinesMU8804
08:15
AirlineFlightNo
United AirlinesUA2398
Austrian AirlinesOS7908
Ethiopian AirlinesET1369
LufthansaLH7485
Brussels AirlinesSN8850
11:30
AirlineFlightNo
Air Tahiti NuiTN2465
Singapore AirlinesSQ1234
Alaska AirlinesAS406
Hawaiian AirlinesHA6724
American AirlinesAA9349
Japan AirlinesJL5440
Qatar AirwaysQR2990
12:46
AirlineFlightNo
United AirlinesUA2275
LufthansaLH7487
AviancaAV2029
22:15
AirlineFlightNo
Delta Air LinesDL541
VIEW FLIGHTS
Sunday
06:08
AirlineFlightNo
Korean AirKE3019
08:15
AirlineFlightNo
United AirlinesUA2398
10:00
AirlineFlightNo
Alaska AirlinesAS406
12:46
AirlineFlightNo
United AirlinesUA2275
21:40
AirlineFlightNo
Alaska AirlinesAS348
22:15
AirlineFlightNo
China Eastern AirlinesMU8804
Delta Air LinesDL541
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 £104.35 ($138 €121.48)
£104.35
$138 | €121.48
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 £204.16 ($270 €237.68)
£204.16
$270 | €237.68
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, Japan Airlines, Korean Air, Lufthansa, Qatar Airways, Singapore Airlines, 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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