On this page, you can find and buy flights for the Washington, D.C. — Seattle route. The 3,745 km journey is well-served, with approximately 95 scheduled flights per week.
Flights are operated by carriers such as United Airlines, Delta, and Alaska Airlines. Ticket prices change constantly, so use the price dynamic chart and low-price calendar to find the best deals. Information is also available on how to get to Washington airports and how to reach the city from Seattle airport.
The table shows direct flights Washington, D.C. → Seattle on the selected date. The flight takes approximately 5 h 45 min. Regular flights are operated by Alaska Airlines, United Airlines, Hawaiian Airlines and American Airlines. Departures from Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport airports, arrivals at Seattle-Tacoma International Airport and Paine Field.
For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.
Below is a calendar of the lowest flight ticket prices for Washington, D.C. — Seattle by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 395 in ,, and the most expensive are around AED 1,496 in r. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
Washington, D.C. → Seattle, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 799 | low | May | AED 945 | medium | Sep | AED 836 | low |
| Feb | AED 799 | low | Jun | AED 1,053 | high | Oct | AED 836 | low |
| Mar | AED 872 | medium | Jul | AED 1,090 | high | Nov | AED 908 | medium |
| Apr | AED 908 | medium | Aug | AED 1,017 | high | Dec | AED 1,126 | high |
Some values are estimated based on seasonality.
The warmest month in Seattle is August, with an average temperature of 25.1°C, while the coldest and rainiest period is January, which sees over 200 mm of precipitation.
The lowest airfare was recorded for August, starting AED 424. The most expensive month to book is June, when prices start AED 1,496.
August is the best time for a trip, as it combines the most favorable weather with the lowest fares. It is recommended to avoid traveling in January due to the high probability of prolonged rain.
Six airlines operate on this route, with United Airlines, Delta Air Lines, and Alaska Airlines being the primary carriers. There are approximately 95 weekly flights, providing steady direct connections between the cities. Use the interactive list of airlines below to view detailed schedules and choose specific departure dates.
Flights Washington, D.C. — Seattle depart from Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport and arrive at Seattle-Tacoma International Airport and Paine Field. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
The average flight time for a direct flight is approximately 4 hours and 30 minutes, covering a distance of 3,745 km.
Regular service is provided by United Airlines, Delta Air Lines, American Airlines, and Alaska Airlines.
Yes, there are about 95 flights per week on this route, most of which are direct.
Fares are dynamic and depend on the departure date. You can find the current lowest prices for the coming months in the low-price calendar on this page.
Main flights from Washington are served at Seattle-Tacoma International Airport (SEA).
Where travelers fly most — pick a route and check prices
