Washington Dulles International to Seattle Tacoma International Flights

If it is your first time travelling to Seattle-Tacoma International then check out the airliners Singapore Airlines, Austrian Airlines, Japan Airlines, Lufthansa, Ethiopian Airlines, Copa Airlines, Brussels Airlines, Avianca, Jet Linx Aviation, Delta Air Lines, China Eastern Airlines, Air Tahiti Nui, Qatar Airways, Hawaiian Airlines, United Airlines and Alaska Airlines. These airliners all offer direct flights that depart from Washington Dulles International, so you will find flying to Seattle-Tacoma International is quite easy. The flight time is approximately 5 Hours 10 Minutes.

The exact cost of the flight we vary quite significantly base on the dates you travel, the time of day you will depart and how long in advance you pre book the flights. The cheapest flights available will generally be mid week or late in the evening, so if you are on a budget then these are the flight times you should consider. Alternatively, you could book well in advance and you flight could be up to 50% cheaper, especially with budget airliners. The ticket prices for most airliners will increase the close you get the departure date, so as soon as you know the date you will travel you should book your flights.

When arriving at Seattle-Tacoma International don’t forget to set your watch to the local time!

For a full summary of all the airliners that fly from Washington Dulles International to Seattle-Tacoma International, please see the table below.

Alaska Airlines offer the highest number of flights for this route with departures times between 07:00 and 18:58.

You can find the latest flight availability and prices from Alaska Airlines at alaskaair.com. You can also book direct and get their latest discounts.

Flight times for Alaska Airlines are summarised in the table below. These time were correct at the time of writing, but please be aware that times may vary from time to time so please check their website for exact times and the dates you wish to fly.

Please remember to leave plenty of time to get though customers when you are departing form the airports. Flights regulations are getting very strict these days so getting through customs can take in excess of 1 hour in some cases.