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Flights from Seattle to Washington D.C.
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Book flight tickets from Seattle to Washington D.C. starting at ₹ 9,032

For as little as ₹ 9,032, you can take your next adventure to Washington D.C. without breaking the bank. Choose between one-way and return tickets from Seattle below.

  • One way
  • Round-trip
      • Cheapest nonstop
        SEA09:54
        5h 3m
        Nonstop
        IAD17:57
        Wed, Jan 8|Seattle - Washington D.C.|Alaska Airlines
        ₹ 9,032₹ 18,510
        51% OFF
        51% OFF
        ₹ 18,510₹ 9,032

        Choose Alaska Airlines flights from Seattle to Washington D.C.. The one-way direct flight with Alaska Airlines departs from Seattle-Tacoma International Airport on Wed, Jan 8, arriving at Washington Dulles International Airport. One-way ticket prices start from ₹ 9,032 including taxes and charges.

      • SEA21:39
        5h 1m
        Nonstop
        IAD05:40
        Wed, Dec 25|Seattle - Washington D.C.|Alaska Airlines
        ₹ 9,335₹ 18,510
        50% OFF
        50% OFF
        ₹ 18,510₹ 9,335

        Choose Alaska Airlines flights from Seattle to Washington D.C.. The one-way direct flight with Alaska Airlines departs from Seattle-Tacoma International Airport on Wed, Dec 25, arriving at Washington Dulles International Airport. One-way ticket prices start from ₹ 9,335 including taxes and charges.

      • SEA15:15
        17h 51m
        1 stop
        DCA12:06
        Thu, Jan 23|Seattle - Washington D.C.|Frontier Airlines
        ₹ 5,753₹ 18,510
        69% OFF
        69% OFF
        ₹ 18,510₹ 5,753

        Choose Frontier Airlines flights from Seattle to Washington D.C.. The one-way connecting flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Thu, Jan 23, arriving at Ronald Reagan Washington National Airport. One-way ticket prices start from ₹ 5,753 including taxes and charges.

      • SEA15:15
        17h 51m
        1 stop
        DCA12:06
        Mon, Feb 3|Seattle - Washington D.C.|Frontier Airlines
        ₹ 5,753
        ₹ 5,753

        Choose Frontier Airlines flights from Seattle to Washington D.C.. The one-way connecting flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Mon, Feb 3, arriving at Ronald Reagan Washington National Airport. One-way ticket prices start from ₹ 5,753 including taxes and charges.

      • SEA22:08
        11h 1m
        1 stop
        DCA12:09
        Mon, Dec 9|Seattle - Washington D.C.|Frontier Airlines
        ₹ 5,811
        ₹ 5,811

        Choose Frontier Airlines flights from Seattle to Washington D.C.. The one-way connecting flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Mon, Dec 9, arriving at Ronald Reagan Washington National Airport. One-way ticket prices start from ₹ 5,811 including taxes and charges.

      • SEA22:08
        11h 1m
        1 stop
        DCA12:09
        Wed, Dec 4|Seattle - Washington D.C.|Frontier Airlines
        ₹ 5,823
        ₹ 5,823

        Choose Frontier Airlines flights from Seattle to Washington D.C.. The one-way connecting flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Wed, Dec 4, arriving at Ronald Reagan Washington National Airport. One-way ticket prices start from ₹ 5,823 including taxes and charges.

      • SEA15:15
        17h 46m
        1 stop
        DCA12:01
        Mon, Jan 13|Seattle - Washington D.C.|Frontier Airlines
        ₹ 5,834
        ₹ 5,834

        Choose Frontier Airlines flights from Seattle to Washington D.C.. The one-way connecting flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Mon, Jan 13, arriving at Ronald Reagan Washington National Airport. One-way ticket prices start from ₹ 5,834 including taxes and charges.

      • SEA15:15
        17h 46m
        1 stop
        DCA12:01
        Thu, Jan 9|Seattle - Washington D.C.|Frontier Airlines
        ₹ 5,846
        ₹ 5,846

        Choose Frontier Airlines flights from Seattle to Washington D.C.. The one-way connecting flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Thu, Jan 9, arriving at Ronald Reagan Washington National Airport. One-way ticket prices start from ₹ 5,846 including taxes and charges.

      • SEA15:15
        17h 51m
        1 stop
        DCA12:06
        Mon, Jan 27|Seattle - Washington D.C.|Frontier Airlines
        ₹ 5,998
        ₹ 5,998

        Choose Frontier Airlines flights from Seattle to Washington D.C.. The one-way connecting flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Mon, Jan 27, arriving at Ronald Reagan Washington National Airport. One-way ticket prices start from ₹ 5,998 including taxes and charges.

      • SEA15:15
        17h 51m
        1 stop
        DCA12:06
        Thu, Jan 30|Seattle - Washington D.C.|Frontier Airlines
        ₹ 6,044
        ₹ 6,044

        Choose Frontier Airlines flights from Seattle to Washington D.C.. The one-way connecting flight with Frontier Airlines departs from Seattle-Tacoma International Airport on Thu, Jan 30, arriving at Ronald Reagan Washington National Airport. One-way ticket prices start from ₹ 6,044 including taxes and charges.

      • SEA13:00
        3h 5m
        Nonstop
        WAS14:00
        Thu, Nov 28|Seattle - Washington D.C.|Alaska Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Seattle to Washington D.C.

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Washington D.C. from Seattle have changed and are set to move below.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Seattle to Washington D.C.

Compare prices from various providers below to understand which option best suits your travel needs, before enjoying a comfortable journey with a trusted airline from Seattle to Washington D.C..

Frontier Airlines
From ₹ 5,753
Alaska Airlines
From ₹ 7,841
Delta Air Lines
From ₹ 9,650
American Airlines
From ₹ 9,883
United Airlines
From ₹ 10,583
Sun Country Airlines
From ₹ 11,692
Southwest Airlines
From ₹ 12,579
Jetblue Airways
From ₹ 12,637
Spirit Airlines
From ₹ 63,092

Find more flights and airlines

Alternative Routes from Seattle to Washington D.C.

There are various non-direct routes from Seattle to Washington D.C. which could be cheaper and faster! Check out these alternative options to see if they could work for your trip.

  • Cheapest
    Frontier Airlines
    SEA
    15:15
    17h 51m
    1 transfer
    DCA
    12:06
    Seattle-Tacoma International Airport - Ronald Reagan Washington National Airport
    Mon, Feb 3Frontier Airlines
    ₹ 5,753
  • Alaska Airlines
    SEA
    09:54
    5h 3m
    Nonstop
    IAD
    17:57
    Seattle-Tacoma International Airport - Washington Dulles International Airport
    Wed, Jan 8Alaska Airlines
    ₹ 9,032
  • Alaska Airlines
    SEA
    09:54
    5h 3m
    Nonstop
    IAD
    17:57
    Seattle-Tacoma International Airport - Washington Dulles International Airport
    Wed, Jan 8Alaska Airlines
    ₹ 9,032
    Find More Flights

FAQ

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

    Airlines adjust prices for flights from Seattle to Washington D.C. based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Seattle (SEA) to Washington D.C. (WAS) cost?

    According to Trip.com's data, the lowest price is around ₹ 25,040.

  • How long does it take to fly from Seattle (SEA) to Washington D.C. (WAS) and what is the distance?

    It takes around 5 hours 8 minutes to fly from Seattle (SEA) to Washington D.C. (WAS).

  • What are the most popular airlines that fly from Seattle (SEA) to Washington D.C. (WAS)?

How to find a cheap flight from Seattle to Washington D.C.

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Seattle to Washington D.C.

Cheapest nonstop flight price₹ 5,752
Cheapest round-trip ticket price₹ 15,542
Off-season for travelNovember
Peak season for travelAugust
Flight distance3,736.07 km
Average flight time5 hours 8 minutes
Popular airlineAmerican Airlines

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