Cheap Flights from Seattle to Washington D.C.
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Cheap Flights from Seattle to Washington D.C.
Cheap Flights from Seattle to Washington D.C. starting at S$ 98
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Round-trip
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One way
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Cheapest nonstop
SEA 21:404h 54mNonstopIAD 05:34Seattle - Washington D.C. | Thu, Mar 20 | Alaska Airlines
IAD 07:005h 52mNonstopSEA 09:52Washington D.C. - Seattle | Wed, Mar 26 | Alaska AirlinesS$ 224 S$ 29725% OFF25% OFFS$ 297 S$ 224 -
SEA 22:155h 4mNonstopIAD 06:19Seattle - Washington D.C. | Mon, Mar 17 | Delta Air Lines
IAD 07:436h 2mNonstopSEA 10:45Washington D.C. - Seattle | Sun, Mar 23 | Delta Air LinesS$ 226 S$ 29724% OFF24% OFFS$ 297 S$ 226 -
SEA 12:2120h 46m1 stopsDCA 12:07Seattle - Washington D.C. | Thu, May 1 | Frontier Airlines
DCA 18:009h 44m1 stopsSEA 00:44Washington D.C. - Seattle | Tue, May 6 | Frontier AirlinesS$ 185 S$ 29738% OFF38% OFFS$ 297 S$ 185 -
SEA 14:0219h 1m1 stopsDCA 12:03Seattle - Washington D.C. | Mon, Mar 17 | Frontier Airlines
DCA 07:008h 2m1 stopsSEA 12:02Washington D.C. - Seattle | Thu, Mar 20 | Frontier AirlinesS$ 19235% OFFS$ 297 S$ 192
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SEA 06:0027h 9m1 stopsDCA 12:09Seattle - Washington D.C. | Wed, Apr 23 | Frontier Airlines
DCA 13:0014h 44m1 stopsSEA 00:44Washington D.C. - Seattle | Tue, Apr 29 | Frontier AirlinesS$ 19335% OFFS$ 297 S$ 193
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SEA 06:0027h 7m1 stopsDCA 12:07Seattle - Washington D.C. | Wed, Apr 30 | Frontier Airlines
DCA 13:0014h 44m1 stopsSEA 00:44Washington D.C. - Seattle | Mon, May 5 | Frontier AirlinesS$ 19335% OFFS$ 297 S$ 193
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SEA 06:0027h 9m1 stopsDCA 12:09Seattle - Washington D.C. | Sun, Apr 27 | Frontier Airlines
DCA 18:009h 44m1 stopsSEA 00:44Washington D.C. - Seattle | Tue, Apr 29 | Frontier AirlinesS$ 20232% OFFS$ 297 S$ 202
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SEA 06:0012h 59m1 stopsDCA 21:59Seattle - Washington D.C. | Sat, Apr 26 | Frontier Airlines
DCA 18:009h 44m1 stopsSEA 00:44Washington D.C. - Seattle | Sat, May 3 | Frontier AirlinesS$ 21328% OFFS$ 297 S$ 213
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SEA 06:0027h 9m1 stopsDCA 12:09Seattle - Washington D.C. | Tue, Apr 22 | Frontier Airlines
DCA 18:009h 44m1 stopsSEA 00:44Washington D.C. - Seattle | Sat, Apr 26 | Frontier AirlinesS$ 21428% OFFS$ 297 S$ 214
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SEA 06:007h 59m1 stopsDCA 16:59Seattle - Washington D.C. | Tue, Apr 29 | Frontier Airlines
DCA 18:009h 44m1 stopsSEA 00:44Washington D.C. - Seattle | Wed, Apr 30 | Frontier AirlinesS$ 21428% OFFS$ 297 S$ 214
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SEA 06:007h 59m1 stopsDCA 16:59Seattle - Washington D.C. | Mon, Apr 28 | Frontier Airlines
DCA 07:0020h 44m1 stopsSEA 00:44Washington D.C. - Seattle | Wed, Apr 30 | Frontier AirlinesS$ 21627% OFFS$ 297 S$ 216
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SEA 06:0027h 9m1 stopsDCA 12:09Seattle - Washington D.C. | Thu, Apr 24 | Frontier Airlines
DCA 07:0020h 44m1 stopsSEA 00:44Washington D.C. - Seattle | Sat, Apr 26 | Frontier AirlinesS$ 22026% OFFS$ 297 S$ 220
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SEA 13:0017h 25m1 stopsWAS Invalid DateSeattle - Washington D.C. | Wed, Mar 12 | Normal Airline
WAS 15:006hNonstopSEA 16:00Washington D.C. - Seattle | Fri, Mar 14 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
SEA 21:404h 54mNonstopIAD 05:34Seattle - Washington D.C. | Tue, Apr 15 | Alaska AirlinesS$ 119 S$ 15925% OFF25% OFFS$ 159 S$ 119
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SEA 22:304h 51mNonstopIAD 06:21Seattle - Washington D.C. | Sat, Apr 26 | Delta Air LinesS$ 119 S$ 15925% OFF25% OFFS$ 159 S$ 119
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SEA 21:404h 54mNonstopIAD 05:34Seattle - Washington D.C. | Thu, Mar 20 | Hawaiian AirlinesS$ 121 S$ 15924% OFF24% OFFS$ 159 S$ 121 -
SEA 14:0219h 1m1 stopsDCA 12:03Seattle - Washington D.C. | Mon, Mar 10 | Frontier AirlinesS$ 9839% OFFS$ 159 S$ 98
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SEA 06:0027h 9m1 stopsDCA 12:09Seattle - Washington D.C. | Wed, Apr 23 | Frontier AirlinesS$ 9839% OFFS$ 159 S$ 98
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SEA 14:0219h 1m1 stopsDCA 12:03Seattle - Washington D.C. | Mon, Mar 17 | Frontier AirlinesS$ 10037% OFFS$ 159 S$ 100
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SEA 06:0027h 7m1 stopsDCA 12:07Seattle - Washington D.C. | Wed, Apr 30 | Frontier AirlinesS$ 10335% OFFS$ 159 S$ 103
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SEA 06:007h 59m1 stopsDCA 16:59Seattle - Washington D.C. | Tue, Apr 29 | Frontier AirlinesS$ 11528% OFFS$ 159 S$ 115
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SEA 06:007h 59m1 stopsDCA 16:59Seattle - Washington D.C. | Wed, May 7 | Frontier AirlinesS$ 11528% OFFS$ 159 S$ 115
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SEA 06:007h 59m1 stopsDCA 16:59Seattle - Washington D.C. | Tue, May 6 | Frontier AirlinesS$ 11528% OFFS$ 159 S$ 115
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SEA 13:0017h 25m1 stopsWAS Invalid DateSeattle - Washington D.C. | Wed, Mar 12 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Cheapest Airlines flying from Seattle to Washington D.C.
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frequently Asked Questions
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When to buy 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 date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much is a flight from Seattle (SEA) to Washington D.C. (WAS) cost?
According to Trip.com's data, the lowest price is around S$ 530. -
How long is a flight from Seattle (SEA) to Washington D.C. (WAS)?
It takes about 5 hours 41 minutes to fly from Seattle (SEA) to Washington D.C. (WAS). -
What time does the earliest flight from Seattle to Washington D.C. depart?
The earliest flight departs from Seattle (SEA) at 08:05 and arrives in Washington D.C. (IAD) at 16:03. -
What time does the latest flight from Seattle to Washington D.C. depart?
The latest flight departs from Seattle (SEA) at 21:40 and arrives in Washington D.C. (IAD) at 05:32. -
What are the most popular airlines that fly from Seattle (SEA) to Washington D.C. (WAS)?
Airlines with flights from Seattle (SEA) to Washington D.C. (WAS): Korean Air, Air Tahiti Nui, Austrian Airlines, Alaska Airlines, Delta Air Lines, Hawaiian Airlines, Lufthansa, United Airlines, American Airlines, Brussels Airlines and Qatar Airways. -
What's the most popular airline for direct flights from Seattle (SEA) to Washington D.C. (WAS)?
Delta Air Lines operates 3 direct flights from Seattle (SEA) to Washington D.C. (WAS). -
How many airports in Washington D.C.?
There are 2 airports near Washington D.C.: Ronald Reagan Washington National Airport and Dulles International Airport.
How to find a cheap flight from Seattle to Washington D.C.
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Washington D.C.. Book your flights at the right time and save more.
Book Early
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Check One-way Fares
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Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
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Find cheapest flight ticket from Seattle to Washington D.C.
| Cheapest direct flight price | S$ 97 |
|---|---|
| Cheapest return ticket price | S$ 223 |
| Off-season for travel | February |
| Peak season for travel | June |
| Flight distance | 3,736.07km |
| Average flight time | 5 hours 41 minutes |
| Popular airline | Alaska Airlines |
Plan Your Trip Around Washington D.C.
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