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$163 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 6/20. 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
sáb 6/15
sáb 6/22

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In the last 7 days travelers have searched 42,211,976 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

May

Cheapest flight

$163
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 1% 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

6/13qui
1 stopSun Country Air
16h 17mGEG-IAD
6/16dom
1 stopSun Country Air
12h 58mIAD-GEG
$295
5/31sex
1 stopDelta
7h 55mGEG-IAD
6/3seg
1 stopDelta
10h 10mIAD-GEG
$328
8/14qua
1 stopAmerican Airlines
7h 12mGEG-IAD
8/20ter
2 stopsAmerican Airlines
13h 28mIAD-GEG
$330
9/28sáb
1 stopAmerican Airlines
7h 22mGEG-IAD
10/1ter
2 stopsAmerican Airlines
11h 53mIAD-GEG
$332
8/14qua
1 stop
15h 05mBOI-IAD
8/20ter
3 stops
35h 14mIAD-BOI
$344
8/14qua
1 stop
15h 05mBOI-IAD
8/20ter
3 stops
29h 10mIAD-BOI
$349
5/29qua
1 stopAlaska Airlines
9h 04mGEG-IAD
6/7sex
1 stopAlaska Airlines
9h 20mIAD-GEG
$378
5/31sex
2 stopsAlaska Airlines
12h 18mGEG-IAD
6/4ter
1 stopAlaska Airlines
9h 20mIAD-GEG
$433
10/2qua
1 stopUnited Airlines
8h 28mIDA-IAD
10/12sáb
1 stopUnited Airlines
8h 41mIAD-IDA
$438
9/28sáb
2 stopsUnited Airlines
9h 49mLWS-IAD
10/1ter
2 stopsUnited Airlines
12h 25mIAD-LWS
$477

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Recent one-way flight deals

6/20qui
1 stopSun Country Air
16h 32mGEG-IAD
$163
6/18ter
1 stopDelta
7h 37mGEG-IAD
$164
6/13qui
2 stops
15h 30mBOI-IAD
$165
7/2ter
1 stopUnited Airlines
10h 02mBOI-IAD
$190
5/28ter
3 stops
35h 17mBOI-IAD
$199
8/28qua
1 stopAmerican Airlines
9h 23mJAC-IAD
$216
8/16sex
1 stopUnited Airlines
8h 05mJAC-IAD
$237
7/25qui
2 stopsAmerican Airlines
10h 01mBOI-IAD
$238
7/29seg
2 stopsAlaska Airlines
10h 11mGEG-IAD
$276
6/4ter
1 stopAlaska Airlines
30h 27mIDA-IAD
$307

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Last minute flights from Idaho to Dulles Intl

Last minute flight, train and bus deals

5/21ter
multi-stopDelta
5h 54mGEG-IAD
5/29qua
multi-stopDelta
7h 48mIAD-GEG
$558
5/21ter
multi-stopDelta
12h 57mGEG-IAD
5/29qua
multi-stopDelta
7h 48mIAD-GEG
$563
5/21ter
multi-stopDelta
12h 57mGEG-IAD
5/29qua
multi-stopDelta
12h 53mIAD-GEG
$598
5/21ter
multi-stopAmerican Airlines
7h 57mGEG-IAD
5/29qua
multi-stopAmerican Airlines
10h 46mIAD-GEG
$617
5/20seg
multi-stopDelta
9h 43mGEG-IAD
6/13qui
multi-stopDelta
9h 19mIAD-GEG
$696
5/21ter
multi-stopAmerican Airlines
10h 53mGEG-IAD
5/29qua
multi-stopAmerican Airlines
10h 46mIAD-GEG
$772
5/20seg
multi-stopUnited Airlines
7h 23mGEG-IAD
5/22qua
multi-stopUnited Airlines
9h 50mIAD-GEG
$838
5/17sex
multi-stopAmerican Airlines
8h 02mBOI-IAD
5/22qua
multi-stopAmerican Airlines
9h 39mIAD-BOI
$970
5/19dom
multi-stopUnited Airlines
8h 51mBOI-IAD
5/20seg
multi-stopUnited Airlines
10h 18mIAD-BOI
$971
5/17sex
multi-stopUnited Airlines
6h 32mGEG-IAD
5/18sáb
multi-stopUnited Airlines
11h 11mIAD-GEG
$1,092

Search by stops

Search by airline

Search by price