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$99 Find cheap flights from District of Columbia to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Seattle departing on 8/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Fri 6/14
Fri 6/21

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In the last 7 days travelers have searched 42,393,389 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$99
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 20% increase in price.
Flight from Reagan Washington National Airport to Seattle

FAQs for booking flights from District of Columbia to Seattle

  • How does KAYAK find such low prices on flights from District of Columbia to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from District of Columbia to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from District of Columbia to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to District of Columbia with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from District of Columbia to Seattle?

Find which airlines fly direct from District of Columbia to Seattle/Tacoma Intl, which days they fly and book direct flights.

Nonstop departures

District of Columbia to Seattle/Tacoma Intl

Monday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Tuesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights

Nonstop returns

Seattle/Tacoma Intl to District of Columbia

Monday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Tuesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights
See more direct flights

Book cheap flights from District of Columbia to Seattle

Recent round-trip flight deals

8/24Sat
1 stopFrontier
28h 37mDCA-SEA
9/4Wed
1 stopFrontier
17h 01mSEA-DCA
$182
8/24Sat
1 stopFrontier
16h 38mDCA-SEA
9/4Wed
1 stopFrontier
11h 01mSEA-DCA
$183
6/4Tue
1 stopAlaska Airlines
21h 17mIAD-SEA
6/5Wed
nonstopAlaska Airlines
4h 59mSEA-IAD
$246
6/16Sun
1 stopSun Country Air
11h 55mIAD-SEA
7/15Mon
1 stopSun Country Air
10h 11mSEA-IAD
$255
5/30Thu
1 stopSun Country Air
11h 30mIAD-SEA
6/1Sat
1 stopSun Country Air
8h 37mSEA-IAD
$260
7/2Tue
1 stop
17h 12mIAD-SEA
7/16Tue
nonstop
4h 52mSEA-IAD
$276
11/6Wed
nonstopDelta
5h 54mIAD-SEA
11/16Sat
nonstopDelta
5h 06mSEA-IAD
$277
10/31Thu
nonstopDelta
5h 52mIAD-SEA
11/13Wed
nonstopDelta
5h 06mSEA-IAD
$283
9/14Sat
1 stopAlaska Airlines
10h 26mIAD-SEA
9/18Wed
nonstopAlaska Airlines
4h 53mSEA-IAD
$286
6/4Tue
2 stops
23h 27mIAD-SEA
6/14Fri
1 stop
9h 58mSEA-IAD
$296

Search by stops

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Recent one-way flight deals

8/28Wed
1 stopFrontier
11h 12mDCA-SEA
$99
8/21Wed
1 stopFrontier
22h 38mDCA-SEA
$100
5/30Thu
1 stopSun Country Air
11h 30mIAD-SEA
$120
6/18Tue
1 stopSun Country Air
18h 12mIAD-SEA
$124
8/21Wed
nonstopDelta
5h 47mIAD-SEA
$139
8/13Tue
1 stopAmerican Airlines
8h 54mIAD-SEA
$144
6/7Fri
nonstopUnited Airlines
5h 44mIAD-SEA
$145
10/23Wed
1 stopAmerican Airlines
7h 43mIAD-SEA
$147
8/4Sun
nonstopUnited Airlines
5h 44mIAD-SEA
$162
7/10Wed
nonstopDelta
6h 03mIAD-SEA
$199

Search by stops

Search by airline

Search by price

Last minute flights from District of Columbia to Seattle

Last minute flight, train and bus deals

5/20Mon
multi-stopFrontier
13h 29mDCA-SEA
5/25Sat
multi-stopFrontier
10h 55mSEA-DCA
$362
5/18Sat
multi-stopFrontier
27h 04mDCA-SEA
5/29Wed
multi-stopFrontier
24h 29mSEA-DCA
$375
5/19Sun
multi-stopSun Country Air
7h 35mIAD-SEA
5/22Wed
multi-stopSun Country Air
13h 47mSEA-IAD
$405
5/20Mon
multi-stop
44h 54mIAD-SEA
5/25Sat
multi-stop
8h 37mSEA-IAD
$489
5/20Mon
multi-stop
44h 54mIAD-SEA
5/27Mon
multi-stop
25h 02mSEA-IAD
$495
5/19Sun
multi-stopSun Country Air
7h 35mIAD-SEA
5/31Fri
multi-stopSun Country Air
17h 48mSEA-IAD
$505
5/18Sat
multi-stopAlaska Airlines
16h 31mIAD-SEA
5/18Sat
nonstopAlaska Airlines
5h 12mSEA-IAD
$590
5/17Fri
multi-stopAlaska Airlines
29h 26mIAD-SEA
5/18Sat
nonstopAlaska Airlines
5h 12mSEA-IAD
$609
5/18Sat
nonstopDelta
5h 45mIAD-SEA
5/29Wed
nonstopDelta
5h 09mSEA-IAD
$613
5/18Sat
multi-stopDelta
7h 14mIAD-SEA
5/29Wed
nonstopDelta
5h 09mSEA-IAD
$622

Search by stops

Search by airline

Search by price

Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - District of Columbia

Cabin classes:

$524
$528
$671
$253