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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 6/26. 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 7/2
Tue 7/9

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In the last 7 days travelers have searched 41,909,192 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 7% increase in price.
Flight from Boise 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, +65 more

ANA, ASKY, +66 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, +65 more

ANA, ASKY, +66 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

8/14Wed
1 stopAmerican Airlines
7h 12mGEG-IAD
8/20Tue
1 stopAmerican Airlines
10h 36mIAD-GEG
$328
8/14Wed
1 stopAmerican Airlines
7h 12mGEG-IAD
8/20Tue
2 stopsAmerican Airlines
13h 28mIAD-GEG
$333
10/24Thu
1 stopDelta
7h 36mGEG-IAD
10/29Tue
1 stopDelta
9h 06mIAD-GEG
$348
8/15Thu
1 stopDelta
8h 32mBOI-IAD
8/19Mon
1 stopDelta
8h 16mIAD-BOI
$358
6/27Thu
1 stopSun Country Air
16h 19mGEG-IAD
7/3Wed
1 stopSun Country Air
8h 04mIAD-GEG
$365
6/27Thu
1 stopSun Country Air
16h 19mGEG-IAD
6/30Sun
1 stopSun Country Air
12h 01mIAD-GEG
$370
7/10Wed
1 stopAlaska Airlines
10h 04mGEG-IAD
7/15Mon
1 stopAlaska Airlines
9h 18mIAD-GEG
$378
9/26Thu
1 stopAlaska Airlines
18h 37mBOI-IAD
10/2Wed
2 stopsAlaska Airlines
14h 28mIAD-BOI
$397
6/30Sun
1 stop
13h 44mGEG-IAD
7/3Wed
3 stops
18h 17mIAD-GEG
$398
6/30Sun
1 stop
13h 44mGEG-IAD
7/6Sat
3 stops
27h 27mIAD-GEG
$418

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Recent one-way flight deals

6/26Wed
2 stops
17h 17mBOI-IAD
$153
6/30Sun
1 stopSun Country Air
13h 44mGEG-IAD
$153
8/10Sat
1 stopUnited Airlines
8h 00mGEG-IAD
$164
8/9Fri
1 stopAmerican Airlines
7h 48mBOI-IAD
$179
7/4Thu
1 stopDelta
8h 54mBOI-IAD
$183
8/9Fri
1 stopAmerican Airlines
8h 00mGEG-IAD
$184
7/30Tue
2 stopsDelta
10h 46mBOI-IAD
$188
8/16Fri
1 stopUnited Airlines
8h 05mJAC-IAD
$237
7/31Wed
2 stopsAlaska Airlines
10h 11mGEG-IAD
$276
7/1Mon
2 stopsAlaska Airlines
10h 06mGEG-IAD
$296

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Last minute flights from Idaho to Dulles Intl

Last minute flight, train and bus deals

6/6Thu
multi-stopSun Country Air
14h 58mGEG-IAD
6/9Sun
multi-stopSun Country Air
7h 04mIAD-GEG
$607
6/6Thu
multi-stop
23h 00mGEG-IAD
6/9Sun
multi-stop
7h 04mIAD-GEG
$729
6/5Wed
multi-stopAmerican Airlines
15h 25mBOI-IAD
6/9Sun
multi-stopAmerican Airlines
15h 48mIAD-BOI
$741
6/7Fri
multi-stopAlaska Airlines
7h 50mGEG-IAD
6/10Mon
multi-stopAlaska Airlines
10h 14mIAD-GEG
$765
6/6Thu
multi-stopAmerican Airlines
13h 47mGEG-IAD
6/9Sun
multi-stopAmerican Airlines
11h 13mIAD-GEG
$777
6/4Tue
multi-stopUnited Airlines
14h 47mGEG-IAD
6/5Wed
multi-stopUnited Airlines
9h 24mIAD-GEG
$787
6/4Tue
multi-stopAlaska Airlines
7h 50mGEG-IAD
6/5Wed
multi-stopAlaska Airlines
9h 20mIAD-GEG
$788
6/4Tue
multi-stopAmerican Airlines
13h 37mGEG-IAD
6/5Wed
multi-stopAmerican Airlines
14h 11mIAD-GEG
$797
6/5Wed
multi-stopDelta
8h 24mBOI-IAD
6/9Sun
multi-stopDelta
6h 35mIAD-BOI
$866
6/5Wed
multi-stopDelta
13h 19mBOI-IAD
6/9Sun
multi-stopDelta
9h 48mIAD-BOI
$871

Search by stops

Search by airline

Search by price