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$141 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 6/27. 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
Tue 6/4
Tue 6/11

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In the last 7 days travelers have searched 43,369,418 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

December

Cheapest flight

$141
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 9% 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, +67 more

ANA, ASKY, +68 more

Tuesday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

Wednesday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Thursday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Friday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Saturday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 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, +67 more

ANA, ASKY, +68 more

Tuesday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

Wednesday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Thursday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Friday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Saturday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 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

8/14Wed
1 stopDelta
7h 05mGEG-IAD
8/20Tue
1 stopDelta
7h 45mIAD-GEG
$328
8/14Wed
1 stopAmerican Airlines
7h 12mGEG-IAD
8/20Tue
2 stopsAmerican Airlines
13h 28mIAD-GEG
$330
5/26Sun
2 stopsDelta
7h 43mGEG-IAD
5/29Wed
1 stopDelta
10h 24mIAD-GEG
$333
8/21Wed
1 stopAmerican Airlines
7h 12mGEG-IAD
8/31Sat
1 stopAmerican Airlines
10h 41mIAD-GEG
$345
5/31Fri
1 stopDelta
7h 55mGEG-IAD
6/3Mon
1 stopDelta
10h 27mIAD-GEG
$348
5/25Sat
2 stopsAlaska Airlines
13h 07mGEG-IAD
5/29Wed
1 stopAlaska Airlines
8h 38mIAD-GEG
$355
5/25Sat
2 stopsAlaska Airlines
10h 50mGEG-IAD
5/29Wed
2 stopsAlaska Airlines
13h 57mIAD-GEG
$402
7/2Tue
1 stopUnited Airlines
8h 00mGEG-IAD
7/16Tue
1 stopUnited Airlines
11h 51mIAD-GEG
$403
6/2Sun
3 stops
21h 50mBOI-IAD
6/9Sun
3 stops
30h 46mIAD-BOI
$422
9/28Sat
1 stopUnited Airlines
12h 38mLWS-IAD
10/1Tue
2 stopsUnited Airlines
12h 30mIAD-LWS
$486

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Recent one-way flight deals

6/27Thu
1 stopSun Country Air
16h 19mGEG-IAD
$141
6/12Wed
3 stops
22h 07mBOI-IAD
$162
7/23Tue
1 stopDelta
7h 40mGEG-IAD
$164
7/23Tue
2 stopsDelta
11h 15mGEG-IAD
$169
6/6Thu
1 stopAmerican Airlines
7h 25mGEG-IAD
$193
9/24Tue
2 stopsAmerican Airlines
12h 32mBOI-IAD
$199
5/28Tue
2 stopsAlaska Airlines
12h 45mBOI-IAD
$216
7/4Thu
1 stopAlaska Airlines
20h 20mBOI-IAD
$222
7/4Thu
2 stopsUnited Airlines
12h 00mSUN-IAD
$291
9/21Sat
2 stopsUnited Airlines
15h 10mIDA-IAD
$408

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Last minute flights from Idaho to Dulles Intl

Last minute flight, train and bus deals

5/9Thu
multi-stop
23h 02mBOI-IAD
5/12Sun
multi-stop
37h 55mIAD-BOI
$626
5/9Thu
multi-stop
25h 04mBOI-IAD
5/12Sun
multi-stop
37h 55mIAD-BOI
$690
5/7Tue
multi-stopAmerican Airlines
16h 00mBOI-IAD
5/15Wed
multi-stopAmerican Airlines
13h 43mIAD-BOI
$738
5/9Thu
multi-stopDelta
8h 18mSUN-IAD
5/12Sun
multi-stopDelta
7h 29mIAD-SUN
$757
5/9Thu
multi-stopUnited Airlines
6h 45mSUN-IAD
5/12Sun
multi-stopUnited Airlines
8h 57mIAD-SUN
$762
5/9Thu
multi-stopUnited Airlines
12h 50mSUN-IAD
5/12Sun
multi-stopUnited Airlines
8h 57mIAD-SUN
$767
5/6Mon
multi-stopAmerican Airlines
8h 22mIDA-IAD
5/7Tue
multi-stopAmerican Airlines
7h 54mIAD-IDA
$854
5/7Tue
multi-stopAlaska Airlines
7h 57mBOI-IAD
5/15Wed
multi-stopAlaska Airlines
8h 25mIAD-BOI
$859
5/9Thu
multi-stopDelta
10h 55mBOI-IAD
5/12Sun
multi-stopDelta
12h 46mIAD-BOI
$929
5/7Tue
multi-stopAlaska Airlines
7h 26mGEG-IAD
5/8Wed
multi-stopAlaska Airlines
11h 16mIAD-GEG
$976

Search by stops

Search by airline

Search by price