Cheap Flights from Washington D.C. to Seattle

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Washington D.C. to Seattle Flight Info

Peak season for travel

July
US$197

Cheapest return ticket price

US$442
Washington D.C.(IAD) ⇒ Seattle(SEA)

Cheapest direct flight price

US$170
Washington D.C.(IAD) ⇒ Seattle(SEA)

Frequently Asked Questions

  • When are flight tickets from Washington D.C. (WAS) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from Washington D.C. to Seattle based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Washington D.C. (WAS) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around US$373.
  • How long does it take to fly from Washington D.C. (WAS) to Seattle (SEA)?

    It takes about 5 hours 58 minutes to fly from Washington D.C. (WAS) to Seattle (SEA).
  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 18km, by taxi about 30 minutes.
  • What time does the earliest flight from Washington D.C. to Seattle depart?

    The earliest flight departs from Washington D.C. (IAD) at 07:25 and arrives in Seattle (SEA) at 10:06.
  • What time does the latest flight from Washington D.C. to Seattle depart?

    The latest flight departs from Washington D.C. (IAD) at 19:15 and arrives in Seattle (SEA) at 21:52.
  • What are the most popular airlines that fly from Washington D.C. (WAS) to Seattle (SEA)?

    Airlines with flights from Washington D.C. (WAS) to Seattle (SEA): United Airlines, Alaska Airlines, Avianca, Copa Airlines, Delta Air Lines, Ethiopian Airlines and Japan Airlines.
  • What's the most popular airline for non-stop flights from Washington D.C. (WAS) to Seattle (SEA)?

    Alaska Airlines operates 266 non-stop flights from Washington D.C. (WAS) to Seattle (SEA).
  • How many airports are there in Seattle (SEA)?

  • What are some travel guidelines for Seattle during the COVID19 pandemic?

    Entry restrictions and flight schedule changes and cancellations are frequently updated and subject to change. If you plan to travel to Seattle, please obtain the most updated information from the airline you plan to book your travels with. You can also refer to COVID19 Country/Region Entry Restrictions for more information.
  • Which airlines offer free date changes for flights to this city during the COVID19 pandemic?

    There are no airlines with flights to this city that provide this service. Please use this information as a reference only and confirm with the airline prior to booking.
  • Plan Your Trip from Washington D.C. (WAS) to Seattle (SEA)

    Seattle attracts thousands of visitors every year for both business and pleasure. Whether you’re taking a last-minute break or a much needed getaway, flights from Washington D.C. to Seattle on Trip.com can help you get there with ease. With Trip.com, you can browse popular airlines with flights to Seattle, check the best season to visit, and preview Seattle attractions before you arrive. With flight deals and exciting attractions waiting for you to explore in Seattle, the best time to book flights from Washington D.C. to Seattle is now! Planning a trip from Washington D.C. to Seattle is easy when you use Trip.com to help you make travel arrangements. Whether you are flying one-way, non-stop, or round-trip, you will find just the flight you need with us. If you want to lock in a great deal for your flights, go for a round-trip flight, if you need flexibility with your itinerary, book a one-way flight to Seattle. With Trip.com, you can search for available flights and hotel rooms, and then make your booking quickly and easily online and on the go. Pack your travel accessories, make a must-see bucket list, and book your flight to Seattle on Trip.com today!

  • A Trip to Remember (WAS—SEA)

    Make your journey from Washington D.C. (WAS) to Seattle (SEA) a trip to remember by using Trip.com to view Seattle attractions before you arrive. Once you know what to do in Seattle, you can reserve and book in advance for the best travel experience possible. Planning ahead is the most effective way to ensure your whole travel experience goes smoothly. Whether you need help choosing the perfect restaurant, discovering the best places to try local flavors, or finding the most stunning views in town, Trip.com is with you every step of the way for your trip to Seattle.