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$100 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 9/4. 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
Mon 6/17
Mon 6/24

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In the last 7 days travelers have searched 41,904,688 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$100
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

8/21Wed
1 stopFrontier
22h 38mDCA-SEA
8/31Sat
1 stopFrontier
11h 01mSEA-DCA
$176
8/24Sat
1 stopFrontier
17h 11mDCA-SEA
8/31Sat
1 stopFrontier
11h 01mSEA-DCA
$177
6/16Sun
1 stopSun Country Air
14h 40mIAD-SEA
6/20Thu
1 stopSun Country Air
15h 47mSEA-IAD
$255
6/12Wed
1 stopSun Country Air
8h 26mIAD-SEA
6/20Thu
1 stopSun Country Air
10h 38mSEA-IAD
$265
8/21Wed
nonstopDelta
5h 34mIAD-SEA
8/28Wed
nonstopDelta
5h 05mSEA-IAD
$277
8/13Tue
nonstopDelta
5h 34mIAD-SEA
8/27Tue
nonstopDelta
5h 05mSEA-IAD
$283
8/21Wed
1 stopAmerican Airlines
9h 06mIAD-SEA
8/28Wed
1 stopAmerican Airlines
7h 58mSEA-IAD
$287
6/10Mon
2 stops
25h 09mIAD-SEA
6/13Thu
1 stop
9h 58mSEA-IAD
$288
8/13Tue
1 stopAmerican Airlines
8h 11mIAD-SEA
8/27Tue
2 stopsAmerican Airlines
10h 44mSEA-IAD
$290
6/10Mon
2 stops
25h 09mIAD-SEA
6/11Tue
1 stop
14h 06mSEA-IAD
$299

Search by stops

Search by airline

Search by price

Recent one-way flight deals

9/4Wed
1 stopFrontier
11h 12mDCA-SEA
$100
8/24Sat
1 stopFrontier
11h 12mDCA-SEA
$101
10/2Wed
1 stopAmerican Airlines
7h 53mDCA-SEA
$143
6/9Sun
nonstopUnited Airlines
5h 44mIAD-SEA
$145
6/2Sun
1 stopSun Country Air
13h 25mIAD-SEA
$150
7/1Mon
1 stopSun Country Air
15h 17mIAD-SEA
$151
9/19Thu
1 stopAmerican Airlines
7h 35mDCA-SEA
$154
7/4Thu
1 stopAlaska Airlines
10h 28mIAD-SEA
$154
7/16Tue
nonstopUnited Airlines
5h 44mIAD-SEA
$162
6/11Tue
1 stopAlaska Airlines
9h 57mIAD-SEA
$204

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

5/23Thu
multi-stopFrontier
28h 45mDCA-SEA
5/30Thu
multi-stopFrontier
9h 29mSEA-DCA
$341
5/22Wed
multi-stopSun Country Air
16h 30mIAD-SEA
5/25Sat
multi-stopSun Country Air
14h 17mSEA-IAD
$343
5/22Wed
multi-stop
16h 30mIAD-SEA
5/26Sun
multi-stop
35h 20mSEA-IAD
$480
5/22Wed
multi-stop
16h 30mIAD-SEA
5/26Sun
nonstop
5h 08mSEA-IAD
$531
5/20Mon
multi-stopAlaska Airlines
27h 28mDCA-SEA
5/21Tue
nonstopAlaska Airlines
5h 12mSEA-DCA
$609
5/22Wed
nonstopAlaska Airlines
5h 28mIAD-SEA
5/30Thu
nonstopAlaska Airlines
5h 12mSEA-IAD
$703
5/23Thu
multi-stopDelta
8h 05mIAD-SEA
5/27Mon
nonstopDelta
5h 03mSEA-IAD
$713
5/19Sun
nonstopUnited Airlines
5h 48mIAD-SEA
5/26Sun
nonstopUnited Airlines
4h 59mSEA-IAD
$714
5/20Mon
multi-stopUnited Airlines
9h 50mIAD-SEA
5/25Sat
multi-stopUnited Airlines
7h 03mSEA-IAD
$718
5/23Thu
multi-stopDelta
8h 05mIAD-SEA
5/28Tue
multi-stopDelta
8h 14mSEA-IAD
$722

Search by stops

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Search by price

Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - District of Columbia

Cabin classes:

$524
$528
$671
$253