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$139 Find cheap flights from Washington to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Dulles Intl 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
Sat 7/6
Sat 7/13

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In the last 7 days travelers have searched 43,995,393 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$139
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 8% increase in price.
Flight from Seattle to Washington Dulles Airport

FAQs for booking Washington to Washington Dulles Airport flights

  • How does KAYAK find such low prices on flights from Washington to Washington Dulles Airport?

    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 Washington to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Washington 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 Washington to Washington Dulles Airport?

    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 Washington Dulles Airport with an airline and back to Washington with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Washington Dulles Airport?

    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 Washington Dulles Airport from Washington 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 Washington to Washington Dulles Airport?

Find which airlines fly direct from Washington to Dulles Intl, which days they fly and book direct flights.

Nonstop departures

Washington to Washington, D.C. Dulles Intl

Monday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Tuesday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 more

Wednesday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 more

Thursday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Friday

ANA, ASKY, Aer Lingus, +69 more

ANA, ASKY, +70 more

Saturday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 more

Sunday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

See more direct flights

Nonstop returns

Washington, D.C. Dulles Intl to Washington

Monday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Tuesday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 more

Wednesday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 more

Thursday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Friday

ANA, ASKY, Aer Lingus, +69 more

ANA, ASKY, +70 more

Saturday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 more

Sunday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

See more direct flights
See more direct flights

Book cheap flights from Washington to Washington, D.C.

Recent round-trip flight deals

9/10Tue
nonstopDelta
5h 06mSEA-IAD
11/5Tue
nonstopDelta
5h 54mIAD-SEA
$277
9/13Fri
nonstopDelta
5h 06mSEA-IAD
11/9Sat
nonstopDelta
5h 52mIAD-SEA
$283
10/2Wed
nonstopAlaska Airlines
5h 02mSEA-IAD
10/9Wed
1 stopAlaska Airlines
8h 59mIAD-SEA
$286
8/29Thu
nonstopAlaska Airlines
5h 08mSEA-IAD
9/2Mon
nonstopAlaska Airlines
5h 51mIAD-SEA
$289
9/13Fri
nonstopUnited Airlines
5h 05mSEA-IAD
11/6Wed
1 stopUnited Airlines
8h 55mIAD-SEA
$293
7/12Fri
1 stopSun Country Air
18h 38mPDX-IAD
7/15Mon
1 stopSun Country Air
14h 22mIAD-PDX
$295
7/10Wed
1 stopSun Country Air
8h 18mSEA-IAD
7/15Mon
1 stopSun Country Air
14h 20mIAD-SEA
$299
7/16Tue
2 stops
26h 15mPDX-IAD
7/23Tue
1 stop
8h 26mIAD-PDX
$299
7/4Thu
nonstopUnited Airlines
4h 59mSEA-IAD
7/12Fri
nonstopUnited Airlines
5h 44mIAD-SEA
$306
7/1Mon
1 stop
7h 58mSEA-IAD
7/5Fri
1 stop
10h 28mIAD-SEA
$310

Search by stops

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Search by price

Recent one-way flight deals

8/28Wed
nonstopAlaska Airlines
5h 08mSEA-IAD
$139
7/1Mon
2 stops
31h 33mPDX-IAD
$141
7/15Mon
1 stopSun Country Air
10h 11mPDX-IAD
$145
7/1Mon
1 stopSun Country Air
7h 58mSEA-IAD
$147
8/24Sat
1 stopAmerican Airlines
8h 09mSEA-IAD
$148
7/16Tue
1 stopUnited Airlines
7h 50mSEA-IAD
$150
9/4Wed
2 stopsAmerican Airlines
10h 19mSEA-IAD
$153
8/2Fri
nonstopUnited Airlines
4h 59mSEA-IAD
$161
9/17Tue
2 stopsDelta
10h 23mGEG-IAD
$169
9/16Mon
nonstopDelta
5h 06mSEA-IAD
$179

Search by stops

Search by airline

Search by price

Last minute flights from Washington to Dulles Intl

Last minute flight, train and bus deals

6/11Tue
multi-stopSun Country Air
14h 06mSEA-IAD
6/16Sun
multi-stopSun Country Air
17h 54mIAD-SEA
$319
6/11Tue
multi-stop
14h 06mSEA-IAD
6/20Thu
multi-stop
23h 16mIAD-SEA
$358
6/11Tue
nonstopDelta
5h 05mSEA-IAD
6/20Thu
nonstopDelta
5h 44mIAD-SEA
$588
6/10Mon
multi-stopDelta
7h 13mSEA-IAD
6/20Thu
nonstopDelta
5h 44mIAD-SEA
$598
6/10Mon
nonstopAlaska Airlines
4h 59mSEA-IAD
6/19Wed
nonstopAlaska Airlines
5h 42mIAD-SEA
$613
6/10Mon
multi-stopAlaska Airlines
8h 20mSEA-IAD
6/24Mon
nonstopAlaska Airlines
5h 53mIAD-SEA
$622
6/11Tue
multi-stopUnited Airlines
13h 51mSEA-IAD
6/14Fri
nonstopUnited Airlines
5h 47mIAD-SEA
$686
6/11Tue
multi-stopUnited Airlines
7h 03mSEA-IAD
6/13Thu
nonstopUnited Airlines
5h 44mIAD-SEA
$708
6/10Mon
multi-stopAmerican Airlines
10h 41mSEA-IAD
6/24Mon
multi-stopAmerican Airlines
10h 27mIAD-SEA
$717
6/7Fri
multi-stopAmerican Airlines
7h 28mSEA-IAD
6/12Wed
multi-stopAmerican Airlines
8h 14mIAD-SEA
$722

Search by stops

Search by airline

Search by price