Find flights
When to book
FAQs & Tips
Direct Flights
Deals

SEA

$115 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 9/17. 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
sab 6/29
sab 7/6

Search hundreds of travel sites at once for deals on flights to Seattle

In the last 7 days travelers have searched 43,361,115 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Low season

January

High season

July

Cheapest flight

$115
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, +63 more

ANA, Aer Lingus, +64 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, +63 more

ANA, Aer Lingus, +64 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

8/27mar
1 stopFrontier
16h 38mDCA-SEA
9/4mer
1 stopFrontier
11h 01mSEA-DCA
$228
8/24sab
1 stopFrontier
16h 38mDCA-SEA
8/31sab
1 stopFrontier
11h 01mSEA-DCA
$232
8/24sab
1 stopFrontier
16h 38mDCA-SEA
9/4mer
1 stopFrontier
20h 51mSEA-DCA
$238
8/21mer
nonstopDelta
5h 47mIAD-SEA
8/28mer
nonstopDelta
4h 57mSEA-IAD
$277
9/16lun
1 stopJetBlue
10h 36mDCA-SEA
9/19gio
1 stopJetBlue
8h 28mSEA-DCA
$278
8/26lun
nonstopAlaska Airlines
5h 51mIAD-SEA
8/31sab
nonstopAlaska Airlines
5h 08mSEA-IAD
$283
9/11mer
1 stopAlaska Airlines
10h 26mIAD-SEA
9/21sab
nonstopAlaska Airlines
4h 53mSEA-IAD
$286
9/11mer
1 stopUnited Airlines
8h 20mIAD-SEA
9/21sab
nonstopUnited Airlines
5h 05mSEA-IAD
$287
7/30mar
nonstopUnited Airlines
5h 44mIAD-SEA
8/8gio
nonstopUnited Airlines
4h 59mSEA-IAD
$289
8/13mar
nonstopDelta
5h 47mIAD-SEA
8/20mar
nonstopDelta
4h 57mSEA-IAD
$313

Search by stops

Search by airline

Search by price

Recent one-way flight deals

9/17mar
1 stopJetBlue
11h 36mDCA-SEA
$115
8/21mer
1 stopFrontier
16h 38mDCA-SEA
$124
8/27mar
nonstopDelta
5h 47mIAD-SEA
$139
6/11mar
1 stopSun Country Air
7h 45mIAD-SEA
$145
6/12mer
1 stopSun Country Air
8h 26mIAD-SEA
$147
8/21mer
1 stopAmerican Airlines
8h 36mIAD-SEA
$148
6/18mar
1 stopAmerican Airlines
8h 18mDCA-SEA
$148
7/30mar
2 stops
16h 03mIAD-SEA
$151
7/17mer
2 stops
16h 08mIAD-SEA
$161
7/15lun
nonstopDelta
5h 46mIAD-SEA
$179

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

6/1sab
multi-stopFrontier
27h 04mDCA-SEA
6/5mer
multi-stopFrontier
21h 16mSEA-DCA
$318
6/3lun
multi-stopFrontier
27h 17mDCA-SEA
6/12mer
multi-stopFrontier
7h 08mSEA-DCA
$363
6/3lun
multi-stop
18h 20mIAD-SEA
6/12mer
multi-stop
14h 56mSEA-IAD
$378
6/3lun
multi-stopSun Country Air
20h 15mIAD-SEA
6/12mer
multi-stopSun Country Air
14h 56mSEA-IAD
$400
6/4mar
multi-stop
23h 27mIAD-SEA
6/11mar
multi-stop
14h 06mSEA-IAD
$407
6/3lun
multi-stopSun Country Air
20h 15mIAD-SEA
6/10lun
multi-stopSun Country Air
13h 22mSEA-IAD
$430
6/3lun
nonstopDelta
5h 47mIAD-SEA
6/13gio
nonstopDelta
5h 05mSEA-IAD
$613
6/4mar
nonstopUnited Airlines
5h 44mIAD-SEA
6/18mar
multi-stopUnited Airlines
7h 03mSEA-IAD
$618
6/4mar
multi-stopUnited Airlines
7h 52mIAD-SEA
6/18mar
multi-stopUnited Airlines
7h 03mSEA-IAD
$628
6/4mar
nonstopDelta
5h 47mIAD-SEA
6/17lun
multi-stopDelta
7h 28mSEA-IAD
$662

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:

$815
$797
$566
$276