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$153 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 6/30. 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 6/29
sáb 7/6

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In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$153
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 8% 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, +67 more

ANA, ASKY, +68 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, +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, +68 more

ANA, ASKY, +69 more

Tuesday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 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, +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

8/14qua
2 stopsAmerican Airlines
13h 37mGEG-IAD
8/20ter
1 stopAmerican Airlines
10h 36mIAD-GEG
$332
8/14qua
2 stopsAmerican Airlines
13h 37mGEG-IAD
8/20ter
2 stopsAmerican Airlines
13h 28mIAD-GEG
$337
8/21qua
1 stopDelta
8h 11mBOI-IAD
8/24sáb
1 stopDelta
8h 16mIAD-BOI
$358
7/25qui
1 stopDelta
6h 46mGEG-IAD
8/14qua
1 stopDelta
8h 08mIAD-GEG
$358
7/3qua
1 stopSun Country Air
14h 48mGEG-IAD
7/7dom
1 stopSun Country Air
13h 15mIAD-GEG
$370
7/7dom
1 stopSun Country Air
13h 50mGEG-IAD
7/11qui
1 stopSun Country Air
7h 51mIAD-GEG
$372
7/28dom
2 stops
21h 58mBOI-IAD
8/5seg
3 stops
25h 18mIAD-BOI
$381
7/17qua
3 stops
25h 17mBOI-IAD
7/21dom
3 stops
28h 04mIAD-BOI
$394
6/24seg
1 stopUnited Airlines
8h 16mBOI-IAD
7/2ter
1 stopUnited Airlines
7h 05mIAD-BOI
$471
6/24seg
1 stopUnited Airlines
8h 16mBOI-IAD
7/4qui
1 stopUnited Airlines
8h 31mIAD-BOI
$481

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Recent one-way flight deals

6/30dom
1 stopSun Country Air
13h 44mGEG-IAD
$153
8/14qua
1 stopSun Country Air
15h 05mBOI-IAD
$160
8/28qua
1 stopAmerican Airlines
7h 12mGEG-IAD
$163
7/16ter
1 stopUnited Airlines
8h 00mGEG-IAD
$164
7/17qua
3 stops
18h 42mBOI-IAD
$168
8/28qua
2 stopsDelta
12h 40mGEG-IAD
$169
7/17qua
1 stopUnited Airlines
10h 02mBOI-IAD
$179
7/4qui
1 stopDelta
8h 09mBOI-IAD
$183
8/14qua
2 stopsAmerican Airlines
13h 30mBOI-IAD
$184
7/31qua
3 stops
18h 42mBOI-IAD
$191

Search by stops

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Last minute flights from Idaho to Dulles Intl

Last minute flight, train and bus deals

6/3seg
multi-stop
15h 48mBOI-IAD
6/7sex
multi-stop
26h 20mIAD-BOI
$520
6/3seg
multi-stop
15h 48mBOI-IAD
6/7sex
multi-stop
26h 20mIAD-BOI
$533
6/3seg
multi-stop
20h 50mBOI-IAD
6/7sex
multi-stop
26h 20mIAD-BOI
$587
6/1sáb
multi-stopDelta
8h 37mGEG-IAD
6/8sáb
multi-stopDelta
9h 42mIAD-GEG
$724
6/1sáb
multi-stopDelta
10h 09mGEG-IAD
6/8sáb
multi-stopDelta
8h 01mIAD-GEG
$729
6/4ter
multi-stopUnited Airlines
6h 23mJAC-IAD
6/7sex
multi-stopUnited Airlines
9h 20mIAD-JAC
$762
6/4ter
multi-stopAmerican Airlines
6h 38mJAC-IAD
6/7sex
multi-stopAmerican Airlines
9h 23mIAD-JAC
$766
6/4ter
multi-stopAmerican Airlines
11h 19mJAC-IAD
6/7sex
multi-stopAmerican Airlines
9h 23mIAD-JAC
$771
6/3seg
multi-stopUnited Airlines
8h 23mBOI-IAD
6/7sex
multi-stopUnited Airlines
13h 45mIAD-BOI
$886
6/2dom
multi-stopAlaska Airlines
14h 17mBOI-IAD
6/5qua
multi-stopAlaska Airlines
16h 00mIAD-BOI
$1,227

Search by stops

Search by airline

Search by price