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$83 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 6/26. 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 42,335,261 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

March

Cheapest flight

$83
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 8% 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, +74 more

ANA, ASKY, +75 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, +74 more

ANA, ASKY, +75 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, +74 more

ANA, ASKY, +75 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, +74 more

ANA, ASKY, +75 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

9/13Fri
1 stopSpirit Airlines
8h 57mBOI-BWI
9/25Wed
1 stopSpirit Airlines
9h 44mBWI-BOI
$205
9/27Fri
1 stopSpirit Airlines
8h 57mBOI-BWI
10/2Wed
1 stopSpirit Airlines
8h 20mBWI-BOI
$207
9/26Thu
1 stop
8h 42mBOI-BWI
10/1Tue
1 stop
9h 44mBWI-BOI
$266
8/14Wed
1 stopAmerican Airlines
7h 12mGEG-IAD
8/20Tue
1 stopAmerican Airlines
10h 36mIAD-GEG
$328
10/22Tue
1 stopDelta
8h 54mGEG-DCA
10/30Wed
1 stopDelta
6h 53mDCA-GEG
$328
8/14Wed
1 stopAmerican Airlines
7h 12mGEG-IAD
8/20Tue
2 stopsAmerican Airlines
13h 28mIAD-GEG
$333
10/22Tue
1 stopDelta
8h 54mGEG-DCA
10/30Wed
2 stopsDelta
9h 54mDCA-GEG
$333
7/2Tue
1 stopAlaska Airlines
8h 06mGEG-DCA
7/4Thu
1 stopAlaska Airlines
9h 08mDCA-GEG
$358
7/10Wed
1 stopAlaska Airlines
10h 04mGEG-IAD
7/15Mon
1 stopAlaska Airlines
9h 18mIAD-GEG
$378
6/16Sun
1 stop
13h 25mGEG-BWI
9/1Sun
1 stop
7h 57mBWI-GEG
$384

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Recent one-way flight deals

6/26Wed
1 stopSpirit Airlines
15h 16mBOI-BWI
$83
7/23Tue
1 stopSpirit Airlines
12h 00mBOI-BWI
$99
8/10Sat
1 stopSun Country Air
15h 15mBOI-BWI
$150
6/30Sun
1 stopSun Country Air
13h 44mGEG-IAD
$153
6/26Wed
2 stops
17h 17mBOI-IAD
$153
8/10Sat
1 stopUnited Airlines
8h 00mGEG-IAD
$164
8/10Sat
1 stopAmerican Airlines
10h 41mGEG-DCA
$164
6/26Wed
3 stops
21h 31mBOI-IAD
$178
8/9Fri
1 stopAmerican Airlines
7h 48mBOI-IAD
$179
8/16Fri
1 stopUnited Airlines
8h 05mJAC-IAD
$237

Search by stops

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

Last minute flight, train and bus deals

6/5Wed
multi-stopSpirit Airlines
14h 51mBOI-BWI
6/9Sun
multi-stopSpirit Airlines
23h 01mBWI-BOI
$498
6/5Wed
multi-stopSpirit Airlines
15h 16mBOI-BWI
6/9Sun
multi-stopSpirit Airlines
24h 55mBWI-BOI
$520
6/6Thu
multi-stopSun Country Air
14h 58mGEG-IAD
6/9Sun
multi-stopSun Country Air
7h 04mIAD-GEG
$607
6/6Thu
multi-stopAmerican Airlines
7h 33mGEG-DCA
6/15Sat
multi-stopAmerican Airlines
8h 30mDCA-GEG
$671
6/6Thu
multi-stopAmerican Airlines
9h 38mGEG-DCA
6/15Sat
multi-stopAmerican Airlines
8h 30mDCA-GEG
$676
6/6Thu
multi-stopAmerican Airlines
10h 17mGEG-DCA
6/15Sat
multi-stopAmerican Airlines
11h 06mDCA-GEG
$681
6/5Wed
multi-stopSpirit Airlines
9h 41mBOI-BWI
6/9Sun
multi-stopSpirit Airlines
28h 52mBWI-BOI
$705
6/6Thu
multi-stop
23h 00mGEG-IAD
6/9Sun
multi-stop
7h 04mIAD-GEG
$729
6/5Wed
multi-stopDelta
10h 06mBOI-BWI
6/9Sun
multi-stopDelta
10h 05mBWI-BOI
$761
6/5Wed
multi-stopDelta
10h 06mBOI-BWI
6/9Sun
multi-stopDelta
10h 05mBWI-BOI
$837

Search by stops

Search by airline

Search by price