Flights from Seattle Airport SEA to Washington Airport IAD

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Flights are available to Seattle-Tacoma International from Washington Dulles International with a choice of 16 airliners, Korean Air, Ethiopian Airlines, Delta Air Lines, Copa Airlines, China Eastern Airlines, Brussels Airlines, Avianca, Austrian Airlines, Starlux, Qatar Airways, Lufthansa, Jet Linx Aviation, All Nippon Airways, United 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.

Travellers planning to fly from Seattle-Tacoma International Airport to Washington Dulles International Airport can pre-book short or long term car parking at Seattle-Tacoma International Airport.

If you rented a vehicle at Washington Dulles International Airport and have to return it with a full tank of fuel, avoid excess fees by refilling at the nearest fuel station to Washington Dulles International Airport.

Below are some options if you require transport to Seattle-Tacoma International Airport:

Pre-booking your transportation requirements at Washington Dulles International Airport can save a lot of time, hassle and money when arriving at the airport. Research and book your preferred choice of ground transportation at Washington Dulles International Airport:

Need a place to stay when you get to Washington? See a range of hotels near Washington Dulles International Airport

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 Airlines320000000:0921:41VIEW FLIGHTS
United Airlines310000006:5013:07VIEW FLIGHTS
American Airlines220000000:0905:50VIEW FLIGHTS
Starlux110000005:5005:50VIEW FLIGHTS
Qatar Airways110000005:5005:50VIEW FLIGHTS
Lufthansa200000008:1013:07VIEW FLIGHTS
Jet Linx Aviation110000005:5005:50VIEW FLIGHTS
All Nippon Airways110000006:5006:50VIEW FLIGHTS
Korean Air100000023:5523:55VIEW FLIGHTS
Ethiopian Airlines100000008:1008:10VIEW FLIGHTS
Delta Air Lines100000015:5915:59VIEW FLIGHTS
Copa Airlines100000013:0713:07VIEW FLIGHTS
China Eastern Airlines100000023:5523:55VIEW FLIGHTS
Brussels Airlines100000008:1008:10VIEW FLIGHTS
Avianca100000013:0713:07VIEW FLIGHTS
Austrian Airlines100000008:1008:10VIEW FLIGHTS

Alaska Airlines offer the most direct flights from Seattle-Tacoma International to Washington Dulles International with an average of 5 flights a week. The earliest flights are operated at 00:09 and the latest flights operated at 21:41 and the most common flight numbers are AS348, AS367 and AS737

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
Monday
00:09
AirlineFlightNo
American AirlinesAA9375
05:50
AirlineFlightNo
American AirlinesAA9440
Qatar AirwaysQR2150
Jet Linx AviationJL5440
StarluxJX7072
06:50
AirlineFlightNo
United AirlinesUA264
All Nippon AirwaysNH7282
08:10
AirlineFlightNo
United AirlinesUA2851
Austrian AirlinesOS7908
Ethiopian AirlinesET1369
LufthansaLH7485
Brussels AirlinesSN8850
13:07
AirlineFlightNo
United AirlinesUA755
LufthansaLH7487
AviancaAV2029
Copa AirlinesCM2765
15:55
AirlineFlightNo
Alaska AirlinesAS348
15:59
AirlineFlightNo
Delta Air LinesDL541
18:20
AirlineFlightNo
Alaska AirlinesAS737
21:41
AirlineFlightNo
Alaska AirlinesAS367
23:55
AirlineFlightNo
Korean AirKE3019
China Eastern AirlinesMU8804
VIEW FLIGHTS
Tuesday
00:09
AirlineFlightNo
Alaska AirlinesAS348
American AirlinesAA9375
05:50
AirlineFlightNo
Alaska AirlinesAS367
American AirlinesAA9440
Qatar AirwaysQR2150
Jet Linx AviationJL5440
StarluxJX7072
06:50
AirlineFlightNo
United AirlinesUA264
All Nippon AirwaysNH7282
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 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 £140.48 ($188 €161.36)
£140.48
$188 | €161.36
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 £251.08 ($336 €288.39)
£251.08
$336 | €288.39
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 £59.78 ($80 €68.66)
£59.78
$80 | €68.66
Check Latest Price
1+ STOP(S)
What is the cheapest return flight from Seattle SEA to Washington IAD?
The cheapest return flight from Seattle SEA to Washington IAD is £190.55 ($255 €218.87)
£190.55
$255 | €218.87
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, All Nippon Airways, American Airlines, Austrian Airlines, Avianca, Brussels Airlines, China Eastern Airlines, Copa Airlines, Delta Air Lines, Ethiopian Airlines, Jet Linx Aviation, Korean Air, Lufthansa, 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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