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$137 Find cheap flights from Idaho 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 8/14. 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 7/15
Mon 7/22

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In the last 7 days travelers have searched 43,982,894 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$137
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 12% increase in price.
Flight from Spokane to Washington Dulles Airport

FAQs for booking Idaho to Washington Dulles Airport flights

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

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho 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 Idaho 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 Idaho 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 Idaho with another airline.

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

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

Nonstop departures

Idaho 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 Idaho

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 Idaho to Washington, D.C.

Recent round-trip flight deals

8/28Wed
1 stopAmerican Airlines
7h 38mGEG-IAD
9/25Wed
1 stopAmerican Airlines
15h 00mIAD-GEG
$273
8/28Wed
2 stopsAmerican Airlines
13h 22mGEG-IAD
9/25Wed
1 stopAmerican Airlines
15h 00mIAD-GEG
$278
8/28Wed
2 stopsDelta
13h 35mGEG-IAD
9/25Wed
2 stopsDelta
9h 37mIAD-GEG
$292
9/20Fri
1 stopDelta
9h 44mGEG-IAD
9/27Fri
1 stopDelta
9h 20mIAD-GEG
$310
7/4Thu
1 stop
9h 25mGEG-IAD
7/14Sun
1 stop
8h 18mIAD-GEG
$327
7/14Sun
1 stopSun Country Air
12h 45mGEG-IAD
7/21Sun
1 stopSun Country Air
6h 58mIAD-GEG
$345
7/30Tue
1 stopAlaska Airlines
8h 05mGEG-IAD
8/13Tue
1 stopAlaska Airlines
8h 21mIAD-GEG
$354
7/30Tue
2 stopsAlaska Airlines
19h 06mGEG-IAD
8/13Tue
1 stopAlaska Airlines
8h 21mIAD-GEG
$373
6/27Thu
1 stopSun Country Air
16h 19mGEG-IAD
6/30Sun
1 stopSun Country Air
12h 01mIAD-GEG
$385
7/13Sat
1 stop
15h 14mBOI-IAD
7/20Sat
3 stops
24h 28mIAD-BOI
$397

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Recent one-way flight deals

8/14Wed
1 stopAmerican Airlines
14h 22mGEG-IAD
$137
9/4Wed
1 stopDelta
8h 37mBOI-IAD
$141
8/5Mon
1 stopUnited Airlines
8h 35mGEG-IAD
$194
7/19Fri
1 stopUnited Airlines
7h 55mGEG-IAD
$214
8/1Thu
2 stops
20h 27mGEG-IAD
$222
6/24Mon
2 stops
13h 11mBOI-IAD
$229
9/15Sun
1 stopAlaska Airlines
30h 52mGEG-IAD
$233
6/20Thu
1 stopSun Country Air
16h 32mGEG-IAD
$273
7/6Sat
1 stopSun Country Air
17h 32mBOI-IAD
$328
9/15Sun
2 stopsAlaska Airlines
21h 43mGEG-IAD
$338

Search by stops

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Search by price

Last minute flights from Idaho to Dulles Intl

Last minute flight, train and bus deals

6/20Thu
multi-stop
16h 32mGEG-IAD
6/25Tue
multi-stop
7h 58mIAD-GEG
$647
6/19Wed
multi-stop
9h 12mGEG-IAD
6/23Sun
multi-stop
7h 11mIAD-GEG
$735
6/20Thu
multi-stopDelta
10h 13mGEG-IAD
6/25Tue
multi-stopDelta
8h 22mIAD-GEG
$770
6/19Wed
multi-stopDelta
10h 45mGEG-IAD
6/23Sun
multi-stopDelta
7h 53mIAD-GEG
$773
6/20Thu
multi-stopAmerican Airlines
11h 00mGEG-IAD
6/25Tue
multi-stopAmerican Airlines
12h 47mIAD-GEG
$775
6/17Mon
multi-stopUnited Airlines
7h 57mGEG-IAD
6/18Tue
multi-stopUnited Airlines
7h 12mIAD-GEG
$783
6/17Mon
multi-stopDelta
7h 27mGEG-IAD
6/18Tue
multi-stopDelta
8h 22mIAD-GEG
$788
6/17Mon
multi-stopDelta
6h 48mGEG-IAD
6/19Wed
multi-stopDelta
9h 20mIAD-GEG
$793
6/17Mon
multi-stopAmerican Airlines
10h 08mGEG-IAD
6/19Wed
multi-stopAmerican Airlines
12h 47mIAD-GEG
$798
6/20Thu
multi-stopAlaska Airlines
8h 37mBOI-IAD
6/25Tue
multi-stopAlaska Airlines
9h 49mIAD-BOI
$866

Search by stops

Search by airline

Search by price