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Find cheap flights from Idaho to Washington, D.C. from $77

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 6/3. 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
So 6/9
So 6/16

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In the last 7 days travelers have searched 43,895,468 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

March

Cheapest flight

$77
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

6/4Di
1 stopSpirit Airlines
15h 40mBOI-BWI
6/11Di
1 stopSpirit Airlines
19h 35mBWI-BOI
$131
6/11Di
1 stopSpirit Airlines
15h 42mBOI-BWI
6/18Di
1 stopSpirit Airlines
24h 32mBWI-BOI
$138
6/11Di
1 stopSpirit Airlines
9h 41mBOI-BWI
6/18Di
1 stopSpirit Airlines
24h 32mBWI-BOI
$143
6/5Mi
1 stop
14h 51mBOI-BWI
6/12Mi
1 stop
15h 09mBWI-BOI
$160
6/5Mi
1 stop
9h 41mBOI-BWI
6/12Mi
3 stops
29h 05mBWI-BOI
$180
8/14Mi
1 stopAmerican Airlines
9h 59mGEG-BWI
8/20Di
1 stopAmerican Airlines
11h 29mBWI-GEG
$324
5/31Fr
1 stopDelta
7h 34mGEG-IAD
6/1Sa
1 stopDelta
8h 33mIAD-GEG
$328
9/1So
1 stopDelta
8h 48mGEG-DCA
9/5Do
1 stopDelta
9h 49mDCA-GEG
$328
8/14Mi
1 stopAmerican Airlines
7h 12mGEG-IAD
8/19Mo
1 stopAmerican Airlines
7h 44mIAD-GEG
$346
6/27Do
1 stopSun Country Air
16h 19mGEG-IAD
7/7So
1 stopSun Country Air
13h 15mIAD-GEG
$370

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Recent one-way flight deals

6/3Mo
1 stopSpirit Airlines
14h 18mBOI-BWI
$77
6/11Di
2 stopsSpirit Airlines
27h 49mBOI-BWI
$86
6/5Mi
3 stops
22h 07mBOI-IAD
$141
6/3Mo
3 stops
35h 06mBOI-IAD
$157
6/11Di
1 stopAmerican Airlines
7h 25mGEG-IAD
$163
5/31Fr
1 stopDelta
7h 55mGEG-IAD
$164
5/30Do
1 stopUnited Airlines
6h 23mGEG-DCA
$164
6/11Di
2 stopsAmerican Airlines
14h 22mGEG-IAD
$169
6/18Di
2 stopsDelta
10h 39mGEG-DCA
$169
7/23Di
1 stopUnited Airlines
10h 02mBOI-IAD
$190

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

Last minute flight, train and bus deals

5/13Mo
multi-stopSpirit Airlines
12h 58mBOI-BWI
5/22Mi
multi-stopSpirit Airlines
12h 23mBWI-BOI
$420
5/13Mo
multi-stopSpirit Airlines
23h 24mBOI-BWI
5/22Mi
multi-stopSpirit Airlines
12h 23mBWI-BOI
$471
5/13Mo
multi-stop
23h 24mBOI-BWI
5/22Mi
multi-stop
29h 05mBWI-BOI
$527
5/15Mi
multi-stopDelta
8h 36mBOI-IAD
5/31Fr
multi-stopDelta
9h 45mIAD-BOI
$548
5/15Mi
multi-stopDelta
12h 54mBOI-IAD
5/31Fr
multi-stopDelta
8h 45mIAD-BOI
$553
5/13Mo
multi-stop
20h 25mGEG-BWI
5/29Mi
multi-stop
25h 51mBWI-GEG
$601
5/12So
multi-stopAlaska Airlines
7h 26mGEG-IAD
6/1Sa
multi-stopAlaska Airlines
9h 20mIAD-GEG
$652
5/15Mi
multi-stopAlaska Airlines
9h 30mBOI-IAD
5/31Fr
multi-stopAlaska Airlines
20h 30mIAD-BOI
$684
5/11Sa
multi-stopUnited Airlines
6h 53mGEG-BWI
5/14Di
multi-stopUnited Airlines
7h 46mBWI-GEG
$728
5/12So
multi-stopUnited Airlines
6h 53mGEG-BWI
5/14Di
multi-stopUnited Airlines
7h 46mBWI-GEG
$752

Search by stops

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Search by price