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$88 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 7/9. 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
Sat 6/29
Sat 7/6

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In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

March

Cheapest flight

$88
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

8/21Wed
1 stopSpirit Airlines
8h 57mBOI-BWI
8/24Sat
1 stopSpirit Airlines
12h 25mBWI-BOI
$173
8/21Wed
2 stopsSpirit Airlines
24h 37mBOI-BWI
8/24Sat
1 stopSpirit Airlines
14h 44mBWI-BOI
$225
8/18Sun
1 stop
14h 57mGEG-BWI
8/21Wed
1 stop
16h 14mBWI-GEG
$292
8/18Sun
1 stop
14h 57mGEG-BWI
8/21Wed
3 stops
27h 59mBWI-GEG
$327
8/21Wed
1 stopDelta
8h 13mGEG-DCA
8/28Wed
1 stopDelta
9h 54mDCA-GEG
$328
8/1Thu
1 stopSun Country Air
13h 25mGEG-BWI
8/8Thu
1 stopSun Country Air
8h 05mBWI-GEG
$330
8/14Wed
2 stopsAmerican Airlines
13h 37mGEG-IAD
8/20Tue
1 stopAmerican Airlines
10h 36mIAD-GEG
$332
8/13Tue
1 stopDelta
6h 19mGEG-DCA
8/17Sat
2 stopsDelta
9h 54mDCA-GEG
$333
8/14Wed
2 stopsAmerican Airlines
13h 37mGEG-IAD
8/20Tue
2 stopsAmerican Airlines
13h 28mIAD-GEG
$337
7/3Wed
1 stopSun Country Air
14h 48mGEG-IAD
7/7Sun
1 stopSun Country Air
13h 15mIAD-GEG
$370

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Recent one-way flight deals

7/9Tue
1 stopSpirit Airlines
14h 22mBOI-BWI
$88
7/17Wed
1 stopSpirit Airlines
11h 02mBOI-BWI
$101
6/30Sun
1 stopSun Country Air
13h 44mGEG-IAD
$153
8/14Wed
1 stopSun Country Air
15h 05mBOI-IAD
$160
8/28Wed
1 stopAmerican Airlines
7h 12mGEG-IAD
$163
8/28Wed
1 stopAmerican Airlines
9h 28mGEG-DCA
$163
7/16Tue
1 stopUnited Airlines
8h 00mGEG-IAD
$164
8/17Sat
1 stopUnited Airlines
7h 06mGEG-DCA
$164
7/17Wed
3 stops
18h 42mBOI-IAD
$168
7/31Wed
3 stops
18h 42mBOI-IAD
$191

Search by stops

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

Last minute flight, train and bus deals

6/2Sun
multi-stopSpirit Airlines
14h 38mBOI-BWI
6/5Wed
multi-stopSpirit Airlines
27h 06mBWI-BOI
$410
6/3Mon
multi-stop
27h 31mBOI-BWI
6/7Fri
multi-stop
21h 22mBWI-BOI
$435
6/3Mon
multi-stop
27h 31mBOI-BWI
6/7Fri
multi-stop
20h 14mBWI-BOI
$448
6/1Sat
multi-stopDelta
6h 07mBOI-BWI
6/6Thu
multi-stopDelta
8h 12mBWI-BOI
$668
6/1Sat
multi-stopDelta
9h 24mBOI-BWI
6/6Thu
multi-stopDelta
8h 22mBWI-BOI
$673
6/3Mon
multi-stopAmerican Airlines
7h 45mGEG-BWI
6/7Fri
multi-stopAmerican Airlines
8h 29mBWI-GEG
$717
6/3Mon
multi-stopAmerican Airlines
10h 37mGEG-BWI
6/7Fri
multi-stopAmerican Airlines
8h 29mBWI-GEG
$722
6/4Tue
multi-stopUnited Airlines
6h 23mJAC-IAD
6/7Fri
multi-stopUnited Airlines
9h 20mIAD-JAC
$762
6/4Tue
multi-stopUnited Airlines
12h 43mJAC-DCA
6/7Fri
multi-stopUnited Airlines
7h 27mDCA-JAC
$763
6/2Sun
multi-stopAlaska Airlines
14h 17mBOI-IAD
6/5Wed
multi-stopAlaska Airlines
16h 00mIAD-BOI
$1,227

Search by stops

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Search by price