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Find cheap flights from Idaho to Washington, D.C. from $58

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 6/11. 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 6/7
Fri 6/14

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In the last 7 days travelers have searched 43,968,530 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

March

Cheapest flight

$58
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

6/1Sat
1 stopSpirit Airlines
13h 24mBOI-BWI
6/4Tue
1 stopSpirit Airlines
8h 00mBWI-BOI
$133
6/1Sat
1 stopSpirit Airlines
13h 24mBOI-BWI
6/4Tue
2 stopsSpirit Airlines
23h 36mBWI-BOI
$149
6/25Tue
1 stop
13h 15mBOI-BWI
7/3Wed
1 stop
7h 08mBWI-BOI
$227
5/30Thu
3 stops
23h 26mBOI-BWI
7/17Wed
2 stops
12h 21mBWI-BOI
$272
9/11Wed
1 stopUnited Airlines
10h 59mGEG-IAD
9/18Wed
1 stopUnited Airlines
9h 50mIAD-GEG
$328
9/11Wed
1 stopAmerican Airlines
9h 29mGEG-DCA
9/18Wed
1 stopAmerican Airlines
8h 23mDCA-GEG
$328
8/14Wed
1 stopAmerican Airlines
7h 12mGEG-IAD
8/20Tue
2 stopsAmerican Airlines
13h 28mIAD-GEG
$330
5/31Fri
1 stopAlaska Airlines
7h 26mGEG-IAD
6/1Sat
1 stopAlaska Airlines
9h 20mIAD-GEG
$338
10/23Wed
1 stopUnited Airlines
11h 02mGEG-IAD
10/25Fri
1 stopUnited Airlines
11h 05mIAD-GEG
$348
5/31Fri
1 stopAlaska Airlines
7h 26mGEG-IAD
6/2Sun
1 stopAlaska Airlines
8h 38mIAD-GEG
$378

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Recent one-way flight deals

6/11Tue
1 stopSpirit Airlines
13h 15mBOI-BWI
$58
7/9Tue
1 stopSpirit Airlines
9h 07mBOI-BWI
$65
7/3Wed
1 stopSun Country Air
15h 28mBOI-IAD
$140
7/3Wed
1 stopSun Country Air
15h 28mBOI-IAD
$145
5/31Fri
2 stops
23h 08mGEG-BWI
$160
6/11Tue
1 stopAmerican Airlines
7h 49mGEG-DCA
$163
5/30Thu
1 stopAmerican Airlines
7h 57mGEG-IAD
$164
6/11Tue
1 stopDelta
7h 44mGEG-IAD
$169
5/30Thu
1 stopDelta
7h 26mGEG-DCA
$169
5/30Thu
2 stops
28h 22mGEG-BWI
$178

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

Last minute flight, train and bus deals

5/13Mon
multi-stopSpirit Airlines
14h 18mBOI-BWI
5/17Fri
multi-stopSpirit Airlines
20h 44mBWI-BOI
$391
5/13Mon
multi-stopSpirit Airlines
21h 51mBOI-BWI
5/15Wed
multi-stopSpirit Airlines
27h 38mBWI-BOI
$421
5/10Fri
multi-stopSpirit Airlines
9h 03mBOI-BWI
5/13Mon
multi-stopSpirit Airlines
21h 10mBWI-BOI
$430
5/11Sat
multi-stopDelta
9h 25mGEG-BWI
5/15Wed
multi-stopDelta
10h 10mBWI-GEG
$683
5/11Sat
multi-stopDelta
12h 46mGEG-BWI
5/15Wed
multi-stopDelta
8h 00mBWI-GEG
$688
5/10Fri
multi-stop
17h 20mBOI-BWI
5/12Sun
multi-stop
24h 01mBWI-BOI
$745
5/10Fri
multi-stopAmerican Airlines
9h 42mGEG-BWI
5/13Mon
multi-stopAmerican Airlines
11h 02mBWI-GEG
$762
5/10Fri
multi-stopAmerican Airlines
13h 25mGEG-BWI
5/13Mon
multi-stopAmerican Airlines
11h 02mBWI-GEG
$767
5/9Thu
multi-stopUnited Airlines
6h 45mSUN-IAD
5/12Sun
multi-stopUnited Airlines
7h 17mIAD-SUN
$782
5/9Thu
multi-stopUnited Airlines
6h 45mSUN-IAD
5/12Sun
multi-stopUnited Airlines
8h 57mIAD-SUN
$787

Search by stops

Search by airline

Search by price