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$82 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 6/4. 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
Sun 6/16
Sun 6/23

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In the last 7 days travelers have searched 42,332,103 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

March

Cheapest flight

$82
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

6/18Tue
1 stopSpirit Airlines
9h 41mBOI-BWI
6/25Tue
1 stopSpirit Airlines
19h 35mBWI-BOI
$174
6/11Tue
1 stopSpirit Airlines
15h 42mBOI-BWI
6/18Tue
2 stopsSpirit Airlines
13h 36mBWI-BOI
$184
6/4Tue
3 stops
22h 59mBOI-BWI
6/7Fri
3 stops
29h 33mBWI-BOI
$289
6/3Mon
3 stops
33h 20mBOI-BWI
6/7Fri
3 stops
29h 33mBWI-BOI
$290
6/13Thu
1 stopSun Country Air
16h 17mGEG-IAD
6/16Sun
1 stopSun Country Air
12h 58mIAD-GEG
$295
8/4Sun
1 stopSun Country Air
13h 12mGEG-BWI
8/8Thu
1 stopSun Country Air
8h 05mBWI-GEG
$305
8/14Wed
1 stopAmerican Airlines
7h 12mGEG-IAD
8/20Tue
1 stopAmerican Airlines
10h 34mIAD-GEG
$325
5/31Fri
1 stopDelta
7h 43mGEG-IAD
6/2Sun
1 stopDelta
9h 10mIAD-GEG
$328
6/13Thu
1 stopDelta
8h 18mGEG-DCA
6/17Mon
1 stopDelta
7h 40mDCA-GEG
$328
8/14Wed
1 stopAmerican Airlines
7h 12mGEG-IAD
8/20Tue
2 stopsAmerican Airlines
10h 18mIAD-GEG
$330

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Recent one-way flight deals

6/4Tue
3 stopsSpirit Airlines
29h 25mBOI-BWI
$82
5/28Tue
2 stopsSpirit Airlines
22h 07mBOI-BWI
$88
6/13Thu
1 stopSun Country Air
16h 17mGEG-IAD
$138
6/20Thu
1 stopSun Country Air
16h 32mGEG-IAD
$143
8/28Wed
1 stopAmerican Airlines
7h 12mGEG-IAD
$163
5/29Wed
3 stops
22h 49mBOI-IAD
$163
6/11Tue
1 stopDelta
7h 44mGEG-IAD
$164
6/13Thu
1 stopDelta
7h 16mGEG-DCA
$164
6/3Mon
2 stops
15h 48mBOI-IAD
$165
7/2Tue
1 stopAmerican Airlines
7h 18mBOI-IAD
$183

Search by stops

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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
9h 03mBOI-BWI
5/20Mon
multi-stopSpirit Airlines
21h 10mBWI-BOI
$650
5/20Mon
multi-stopDelta
7h 43mGEG-IAD
6/13Thu
multi-stopDelta
9h 19mIAD-GEG
$703
5/20Mon
multi-stopDelta
6h 14mGEG-DCA
6/13Thu
multi-stopDelta
7h 23mDCA-GEG
$703
5/20Mon
multi-stopDelta
9h 10mGEG-DCA
6/13Thu
multi-stopDelta
7h 23mDCA-GEG
$708
5/18Sat
multi-stopSpirit Airlines
9h 03mBOI-BWI
5/20Mon
multi-stopSpirit Airlines
35h 45mBWI-BOI
$708
5/18Sat
multi-stopSpirit Airlines
14h 13mBOI-BWI
5/21Tue
multi-stopSpirit Airlines
8h 00mBWI-BOI
$749
5/21Tue
multi-stopAmerican Airlines
7h 38mGEG-IAD
5/29Wed
multi-stopAmerican Airlines
12h 35mIAD-GEG
$769
5/22Wed
multi-stopUnited Airlines
6h 37mBOI-IAD
5/25Sat
multi-stopUnited Airlines
13h 37mIAD-BOI
$876
5/22Wed
multi-stopUnited Airlines
8h 30mBOI-DCA
5/25Sat
multi-stopUnited Airlines
19h 37mDCA-BOI
$876
5/22Wed
multi-stopAmerican Airlines
8h 27mBOI-IAD
5/25Sat
multi-stopAmerican Airlines
7h 55mIAD-BOI
$894

Search by stops

Search by airline

Search by price