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$77 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 6/10. 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
Thu 6/13
Thu 6/20

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In the last 7 days travelers have searched 42,566,405 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

6/11Tue
1 stopSpirit Airlines
9h 41mBOI-BWI
6/18Tue
1 stopSpirit Airlines
24h 32mBWI-BOI
$148
6/11Tue
1 stopSpirit Airlines
15h 42mBOI-BWI
6/18Tue
2 stopsSpirit Airlines
12h 09mBWI-BOI
$181
6/10Mon
1 stop
9h 32mBOI-BWI
6/19Wed
2 stops
24h 37mBWI-BOI
$221
6/10Mon
2 stops
23h 01mBOI-BWI
6/19Wed
2 stops
24h 37mBWI-BOI
$247
10/5Sat
1 stopDelta
8h 54mGEG-DCA
10/8Tue
1 stopDelta
9h 44mDCA-GEG
$348
8/4Sun
1 stopSun Country Air
13h 12mGEG-BWI
8/15Thu
1 stopSun Country Air
8h 12mBWI-GEG
$350
10/5Sat
1 stopDelta
8h 54mGEG-DCA
10/8Tue
2 stopsDelta
9h 31mDCA-GEG
$353
7/3Wed
1 stopSun Country Air
14h 48mGEG-IAD
7/7Sun
1 stopSun Country Air
13h 15mIAD-GEG
$355
7/25Thu
1 stopAmerican Airlines
7h 55mGEG-IAD
8/14Wed
1 stopAmerican Airlines
10h 41mIAD-GEG
$357
6/10Mon
1 stopAmerican Airlines
7h 42mGEG-BWI
6/11Tue
1 stopAmerican Airlines
8h 29mBWI-GEG
$385

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Recent one-way flight deals

6/10Mon
1 stopSpirit Airlines
15h 16mBOI-BWI
$77
8/26Mon
1 stopSpirit Airlines
12h 34mBOI-BWI
$87
6/23Sun
1 stopSun Country Air
19h 16mGEG-BWI
$153
6/20Thu
1 stopSun Country Air
16h 32mGEG-IAD
$163
8/28Wed
1 stopAmerican Airlines
7h 53mGEG-DCA
$163
6/19Wed
1 stopAmerican Airlines
10h 20mGEG-DCA
$164
7/9Tue
1 stopDelta
9h 18mGEG-IAD
$164
6/13Thu
2 stops
15h 30mBOI-IAD
$165
6/10Mon
3 stops
35h 13mBOI-IAD
$173
6/12Wed
2 stopsDelta
9h 57mGEG-BWI
$188

Search by stops

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

Last minute flight, train and bus deals

5/19Sun
multi-stopSpirit Airlines
13h 58mBOI-BWI
5/20Mon
multi-stopSpirit Airlines
21h 10mBWI-BOI
$364
5/19Sun
multi-stopSpirit Airlines
14h 38mBOI-BWI
5/20Mon
multi-stopSpirit Airlines
23h 53mBWI-BOI
$402
5/19Sun
multi-stopSpirit Airlines
13h 58mBOI-BWI
5/20Mon
multi-stopSpirit Airlines
20h 28mBWI-BOI
$426
5/16Thu
multi-stop
25h 24mBOI-BWI
5/19Sun
multi-stop
25h 54mBWI-BOI
$513
5/16Thu
multi-stop
25h 24mBOI-BWI
5/24Fri
multi-stop
29h 29mBWI-BOI
$528
5/15Wed
multi-stopAlaska Airlines
9h 30mBOI-IAD
5/31Fri
multi-stopAlaska Airlines
17h 01mIAD-BOI
$754
5/18Sat
multi-stopDelta
9h 26mBOI-BWI
5/20Mon
multi-stopDelta
7h 58mBWI-BOI
$762
5/15Wed
multi-stopAmerican Airlines
16h 01mBOI-IAD
5/31Fri
multi-stopAmerican Airlines
13h 44mIAD-BOI
$811
5/17Fri
multi-stopDelta
5h 54mGEG-IAD
5/20Mon
multi-stopDelta
10h 10mIAD-GEG
$907
5/19Sun
multi-stopAmerican Airlines
13h 39mBOI-IAD
5/21Tue
multi-stopAmerican Airlines
10h 13mIAD-BOI
$918

Search by stops

Search by airline

Search by price