Washington Dulles International to Seattle Tacoma International Flights
If it is your first time travelling to Seattle-Tacoma International then check out the airliners Lufthansa, Brussels Airlines, Austrian Airlines, Ethiopian Airlines, Copa Airlines, Avianca, Starlux, Korean Air, Iberia, China Eastern Airlines, Jet Linx Aviation, Delta Air Lines, United Airlines, Qatar Airways, American 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.
| Airliner | Mo | Tu | We | Th | Fr | Sa | Su | First Flight | Last Flight |
| Qatar Airways | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 06:00 | 20:32 |
| American Airlines | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 06:00 | 20:32 |
| Alaska Airlines | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 06:00 | 17:38 |
| United Airlines | 3 | 2 | 1 | 3 | 3 | 2 | 0 | 09:00 | 17:55 |
| Delta Air Lines | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 07:00 | 14:00 |
| Jet Linx Aviation | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 06:00 | 06:00 |
| Starlux | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 20:29 | 20:32 |
| Korean Air | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 07:00 | 07:00 |
| Iberia | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 20:29 | 20:32 |
| China Eastern Airlines | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 07:00 | 07:00 |
| Copa Airlines | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 09:00 | 20:53 |
| Avianca | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 09:00 | 20:53 |
| Ethiopian Airlines | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 13:15 | 20:53 |
| Lufthansa | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 20:46 | 20:53 |
| Brussels Airlines | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 20:46 | 20:53 |
| Austrian Airlines | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 20:46 | 20:53 |
Qatar Airways offer the highest number of flights for this route with departures times between 06:00 and 20:32.
You can find the latest flight availability and prices from Qatar Airways at qatarairways.com. You can also book direct and get their latest discounts.
Flight times for Qatar Airways 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.
| Day | Flying Time |
| Monday | 06:00, 09:00 and 20:29 |
| Tuesday | 06:00, 09:00 and 20:29 |
| Wednesday | 06:00, 09:00 and 20:32 |
| Thursday | 06:00, 09:00 and 20:29 |
| Friday | 06:00, 09:00 and 20:29 |
| Saturday | 06:00, 09:00 and 20:32 |
| Sunday | 06:00 |
If you are flexible on the airport you depart from, then there are other airports that offer direct flights to Seattle-Tacoma International. You can see full details of these below.
| Route | Stops | Distance | Flying Time |
| Dulles to Seattle Boeing Field King County | 0 | 3,701 km (2,299 miles) | 5 Hours 10 Minutes |
| Dulles to Richmond Vancouver | 0 | 3,763 km (2,338 miles) | 5 Hours 14 Minutes |
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.
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