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$87 Find cheap flights from Idaho to Washington, D.C.

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Washington, D.C. departing on 8/26. 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
Fri 6/14
Fri 6/21

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In the last 7 days travelers have searched 42,393,389 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

March

Cheapest flight

$87
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 7% increase in price.
Flight from Boise to Baltimore

FAQs for booking flights from Idaho to Washington, D.C.

  • How does KAYAK find such low prices on flights from Idaho to Washington, D.C.?

    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, D.C..

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Washington, D.C.?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. 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, D.C.?

    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, D.C. 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, D.C.?

    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, D.C. 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, D.C.?

Find which airlines fly direct from Idaho to Washington, D.C., which days they fly and book direct flights.

Nonstop departures

Idaho to Washington, D.C.

Monday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

Tuesday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Wednesday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Thursday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

Friday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

Saturday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Sunday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

See more direct flights

Nonstop returns

Washington, D.C. to Idaho

Monday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

Tuesday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Wednesday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Thursday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

Friday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

Saturday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Sunday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

See more direct flights
See more direct flights

Book cheap flights from Idaho to Washington, D.C.

Recent round-trip flight deals

6/4Tue
1 stopSpirit Airlines
15h 40mBOI-BWI
6/11Tue
1 stopSpirit Airlines
19h 35mBWI-BOI
$141
6/11Tue
1 stopSpirit Airlines
13h 15mBOI-BWI
6/18Tue
1 stopSpirit Airlines
24h 32mBWI-BOI
$148
6/10Mon
1 stop
11h 26mBOI-BWI
6/12Wed
1 stop
15h 09mBWI-BOI
$190
5/29Wed
1 stop
14h 42mBOI-BWI
6/1Sat
1 stop
13h 45mBWI-BOI
$256
9/28Sat
1 stopDelta
6h 28mGEG-IAD
10/1Tue
1 stopDelta
9h 41mIAD-GEG
$328
9/11Wed
1 stopAmerican Airlines
7h 22mGEG-IAD
9/18Wed
2 stopsAmerican Airlines
11h 53mIAD-GEG
$332
9/28Sat
1 stopDelta
8h 22mGEG-IAD
10/1Tue
2 stopsDelta
11h 02mIAD-GEG
$333
9/11Wed
2 stopsAmerican Airlines
12h 12mGEG-IAD
9/18Wed
2 stopsAmerican Airlines
11h 53mIAD-GEG
$337
8/4Sun
1 stopSun Country Air
13h 12mGEG-BWI
8/15Thu
1 stopSun Country Air
8h 12mBWI-GEG
$350
7/3Wed
1 stopSun Country Air
14h 48mGEG-IAD
7/7Sun
1 stopSun Country Air
13h 15mIAD-GEG
$355

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Recent one-way flight deals

8/26Mon
1 stopSpirit Airlines
12h 34mBOI-BWI
$87
6/24Mon
1 stopSpirit Airlines
15h 16mBOI-BWI
$122
7/3Wed
1 stopSun Country Air
15h 28mBOI-IAD
$140
6/26Wed
1 stopSun Country Air
16h 02mBOI-IAD
$150
6/26Wed
2 stops
17h 17mBOI-IAD
$160
7/2Tue
1 stopAmerican Airlines
7h 25mGEG-IAD
$163
6/13Thu
2 stops
15h 30mBOI-IAD
$165
6/18Tue
2 stopsDelta
10h 39mGEG-DCA
$169
6/11Tue
1 stopAmerican Airlines
7h 25mGEG-IAD
$193
6/17Mon
1 stopDelta
9h 43mGEG-IAD
$194

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Last minute flights from Idaho to Washington, D.C.

Last minute flight, train and bus deals

5/18Sat
multi-stopSpirit Airlines
18h 34mBOI-BWI
5/20Mon
multi-stopSpirit Airlines
21h 10mBWI-BOI
$485
5/18Sat
multi-stopSpirit Airlines
13h 24mBOI-BWI
5/20Mon
multi-stopSpirit Airlines
31h 50mBWI-BOI
$537
5/17Fri
multi-stopSpirit Airlines
9h 03mBOI-BWI
5/22Wed
multi-stopSpirit Airlines
28h 05mBWI-BOI
$541
5/17Fri
multi-stopSpirit Airlines
9h 03mBOI-BWI
5/22Wed
multi-stopSpirit Airlines
28h 05mBWI-BOI
$547
5/17Fri
multi-stopSpirit Airlines
19h 27mBOI-BWI
5/22Wed
multi-stopSpirit Airlines
28h 05mBWI-BOI
$598
5/18Sat
multi-stopDelta
9h 26mBOI-BWI
5/20Mon
multi-stopDelta
7h 58mBWI-BOI
$762
5/20Mon
multi-stopAmerican Airlines
10h 18mGEG-DCA
6/13Thu
multi-stopAmerican Airlines
10h 21mDCA-GEG
$777
5/17Fri
multi-stopDelta
5h 54mGEG-IAD
5/20Mon
multi-stopDelta
10h 10mIAD-GEG
$788
5/20Mon
multi-stopAmerican Airlines
10h 18mGEG-DCA
6/13Thu
multi-stopAmerican Airlines
13h 18mDCA-GEG
$902
5/17Fri
multi-stopUnited Airlines
6h 37mBOI-IAD
5/22Wed
multi-stopUnited Airlines
16h 52mIAD-BOI
$906

Search by stops

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