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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 5/28. 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
火 6/4
火 6/11

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In the last 7 days travelers have searched 43,369,418 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

6/1
1 stopSpirit Airlines
13h 24mBOI-BWI
6/4
1 stopSpirit Airlines
8h 00mBWI-BOI
$178
6/1
1 stopSpirit Airlines
9h 03mBOI-BWI
6/6
1 stopSpirit Airlines
8h 16mBWI-BOI
$197
6/2
1 stop
20h 05mGEG-BWI
6/6
1 stop
8h 18mBWI-GEG
$319
8/14
1 stopAmerican Airlines
9h 59mGEG-BWI
8/20
1 stopAmerican Airlines
14h 14mBWI-GEG
$323
8/14
1 stopDelta
7h 05mGEG-IAD
8/20
1 stopDelta
7h 45mIAD-GEG
$328
5/29
1 stopDelta
8h 39mGEG-DCA
6/4
1 stopDelta
9h 44mDCA-GEG
$328
8/21
1 stopAmerican Airlines
7h 53mGEG-DCA
8/31
1 stopAmerican Airlines
13h 35mDCA-GEG
$329
5/25
2 stopsAlaska Airlines
13h 07mGEG-IAD
5/29
1 stopAlaska Airlines
8h 38mIAD-GEG
$355
6/2
1 stop
20h 05mGEG-BWI
6/6
2 stops
11h 29mBWI-GEG
$357
5/25
2 stopsAlaska Airlines
10h 50mGEG-IAD
5/29
2 stopsAlaska Airlines
13h 57mIAD-GEG
$402

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Recent one-way flight deals

5/28
1 stopSpirit Airlines
14h 18mBOI-BWI
$58
6/12
2 stopsSpirit Airlines
17h 16mBOI-BWI
$99
6/2
1 stop
20h 05mGEG-BWI
$130
6/27
1 stopSun Country Air
16h 19mGEG-IAD
$141
7/13
1 stopSun Country Air
15h 05mBOI-BWI
$150
6/12
3 stops
22h 07mBOI-IAD
$162
6/11
1 stopAmerican Airlines
7h 49mGEG-DCA
$163
7/23
1 stopDelta
7h 40mGEG-IAD
$164
5/29
1 stopDelta
8h 39mGEG-DCA
$164
6/6
1 stopAmerican Airlines
7h 25mGEG-IAD
$193

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

Last minute flight, train and bus deals

5/10
multi-stopSpirit Airlines
9h 03mBOI-BWI
5/13
multi-stopSpirit Airlines
30h 40mBWI-BOI
$386
5/10
multi-stopSpirit Airlines
9h 03mBOI-BWI
5/18
multi-stopSpirit Airlines
13h 13mBWI-BOI
$411
5/9
multi-stop
23h 02mBOI-IAD
5/12
multi-stop
37h 55mIAD-BOI
$626
5/9
multi-stop
25h 04mBOI-IAD
5/12
multi-stop
37h 55mIAD-BOI
$690
5/7
multi-stopAlaska Airlines
7h 55mGEG-BWI
5/11
multi-stopAlaska Airlines
8h 33mBWI-GEG
$728
5/7
multi-stopDelta
11h 52mBOI-BWI
5/11
multi-stopDelta
7h 32mBWI-BOI
$733
5/7
multi-stopDelta
9h 43mGEG-BWI
5/11
multi-stopDelta
8h 13mBWI-GEG
$733
5/7
multi-stopAmerican Airlines
16h 00mBOI-IAD
5/15
multi-stopAmerican Airlines
13h 43mIAD-BOI
$738
5/10
multi-stopAmerican Airlines
8h 32mBOI-DCA
5/18
multi-stopAmerican Airlines
10h 09mDCA-BOI
$820
5/7
multi-stopAlaska Airlines
7h 57mBOI-IAD
5/15
multi-stopAlaska Airlines
8h 25mIAD-BOI
$859

Search by stops

Search by airline

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