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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
Fri 7/5
Fri 7/12

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In the last 7 days travelers have searched 44,281,614 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, +67 more

ANA, ASKY, +68 more

Tuesday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Wednesday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Thursday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

Friday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Saturday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Sunday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

See more direct flights

Nonstop returns

Washington, D.C. Dulles Intl to Washington

Monday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

Tuesday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Wednesday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Thursday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

Friday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Saturday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Sunday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

See more direct flights
See more direct flights

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

Recent round-trip flight deals

7/30Tue
nonstopAlaska Airlines
4h 52mSEA-IAD
8/12Mon
nonstopAlaska Airlines
5h 53mIAD-SEA
$212
8/28Wed
nonstopDelta
4h 57mSEA-IAD
9/3Tue
nonstopDelta
5h 47mIAD-SEA
$277
8/13Tue
1 stopUnited Airlines
7h 50mSEA-IAD
8/20Tue
nonstopUnited Airlines
5h 48mIAD-SEA
$288
8/25Sun
1 stopUnited Airlines
7h 39mSEA-IAD
8/31Sat
nonstopUnited Airlines
5h 48mIAD-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
$297
7/10Wed
nonstop
4h 49mSEA-IAD
7/15Mon
1 stop
14h 20mIAD-SEA
$301
8/28Wed
1 stopAmerican Airlines
8h 09mSEA-IAD
9/1Sun
1 stopAmerican Airlines
8h 36mIAD-SEA
$303
8/19Mon
2 stopsAmerican Airlines
10h 47mSEA-IAD
8/21Wed
1 stopAmerican Airlines
10h 31mIAD-SEA
$307
7/19Fri
1 stop
9h 11mPDX-IAD
7/21Sun
2 stops
30h 51mIAD-PDX
$309

Search by stops

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Search by price

Recent one-way flight deals

8/28Wed
nonstopDelta
4h 57mSEA-IAD
$139
7/1Mon
2 stops
31h 33mPDX-IAD
$141
7/15Mon
nonstopAlaska Airlines
4h 52mSEA-IAD
$145
7/3Wed
1 stopSun Country Air
8h 14mPDX-IAD
$145
7/1Mon
1 stopSun Country Air
7h 58mSEA-IAD
$147
8/28Wed
1 stopAmerican Airlines
8h 09mSEA-IAD
$148
7/17Wed
1 stopAlaska Airlines
9h 51mSEA-IAD
$154
7/12Fri
nonstopUnited Airlines
4h 59mSEA-IAD
$161
7/19Fri
nonstopUnited Airlines
4h 59mSEA-IAD
$163
8/8Thu
1 stopAmerican Airlines
7h 58mSEA-IAD
$188

Search by stops

Search by airline

Search by price

Last minute flights from Washington to Dulles Intl

Last minute flight, train and bus deals

6/10Mon
multi-stopSun Country Air
13h 22mSEA-IAD
6/12Wed
multi-stopSun Country Air
8h 26mIAD-SEA
$392
6/6Thu
multi-stopSun Country Air
8h 44mSEA-IAD
6/18Tue
multi-stopSun Country Air
18h 12mIAD-SEA
$397
6/10Mon
multi-stop
13h 22mSEA-IAD
6/20Thu
multi-stop
23h 16mIAD-SEA
$408
6/10Mon
multi-stop
13h 22mSEA-IAD
6/19Wed
nonstop
5h 42mIAD-SEA
$426
6/10Mon
multi-stopDelta
7h 13mSEA-IAD
6/20Thu
nonstopDelta
5h 44mIAD-SEA
$598
6/10Mon
multi-stopDelta
7h 13mSEA-IAD
6/20Thu
multi-stopDelta
8h 10mIAD-SEA
$607
6/10Mon
nonstopAlaska Airlines
4h 59mSEA-IAD
6/19Wed
nonstopAlaska Airlines
5h 42mIAD-SEA
$613
6/8Sat
nonstopAlaska Airlines
5h 12mSEA-IAD
6/18Tue
multi-stopAlaska Airlines
10h 28mIAD-SEA
$622
6/8Sat
multi-stopAmerican Airlines
7h 28mSEA-IAD
6/18Tue
multi-stopAmerican Airlines
13h 20mIAD-SEA
$637
6/8Sat
multi-stopAmerican Airlines
10h 41mSEA-IAD
6/18Tue
multi-stopAmerican Airlines
10h 31mIAD-SEA
$642

Search by stops

Search by airline

Search by price