Find flights
When to book
FAQs & Tips
Direct Flights
Deals

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
lør. 6/8
lør. 6/15

Search hundreds of travel sites at once for deals on flights to Washington, D.C.

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

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

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

5/28tir.
1 stopSpirit Airlines
14h 18mBOI-BWI
7/17ons.
1 stopSpirit Airlines
9h 54mBWI-BOI
$161
6/2søn.
1 stopSpirit Airlines
14h 38mBOI-BWI
6/6tor.
1 stopSpirit Airlines
8h 16mBWI-BOI
$171
6/25tir.
1 stop
13h 15mBOI-BWI
7/3ons.
1 stop
7h 08mBWI-BOI
$227
5/30tor.
3 stops
23h 26mBOI-BWI
7/17ons.
2 stops
12h 21mBWI-BOI
$272
9/28lør.
1 stopDelta
8h 22mGEG-IAD
10/1tir.
1 stopDelta
7h 19mIAD-GEG
$328
9/1søn.
1 stopDelta
8h 48mGEG-DCA
9/5tor.
1 stopDelta
9h 49mDCA-GEG
$328
8/14ons.
1 stopAmerican Airlines
7h 12mGEG-IAD
8/20tir.
2 stopsAmerican Airlines
13h 28mIAD-GEG
$330
8/14ons.
1 stopAmerican Airlines
9h 59mGEG-BWI
8/20tir.
1 stopAmerican Airlines
11h 29mBWI-GEG
$333
5/31fre.
1 stopAlaska Airlines
7h 26mGEG-IAD
6/1lør.
1 stopAlaska Airlines
9h 20mIAD-GEG
$338
5/31fre.
1 stopAlaska Airlines
9h 41mGEG-IAD
6/4tir.
2 stopsAlaska Airlines
16h 54mIAD-GEG
$385

Search by stops

Search by airline

Search by price

Recent one-way flight deals

6/11tir.
1 stopSpirit Airlines
13h 15mBOI-BWI
$58
7/9tir.
1 stopSpirit Airlines
14h 22mBOI-BWI
$65
5/31fre.
2 stops
23h 08mGEG-BWI
$160
6/5ons.
1 stopAmerican Airlines
7h 25mGEG-IAD
$163
6/11tir.
1 stopAmerican Airlines
7h 49mGEG-DCA
$163
7/14søn.
1 stopSun Country Air
13h 17mGEG-BWI
$163
6/18tir.
1 stopDelta
7h 37mGEG-IAD
$164
5/30tor.
1 stopDelta
8h 39mGEG-DCA
$169
6/20tor.
1 stopSun Country Air
16h 32mGEG-IAD
$173
5/30tor.
2 stops
28h 22mGEG-BWI
$178

Search by stops

Search by airline

Search by price

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

Last minute flight, train and bus deals

5/13man.
multi-stopSpirit Airlines
21h 51mBOI-BWI
5/15ons.
multi-stopSpirit Airlines
27h 38mBWI-BOI
$421
5/13man.
multi-stopSpirit Airlines
14h 18mBOI-BWI
5/17fre.
multi-stopSpirit Airlines
25h 05mBWI-BOI
$429
5/13man.
multi-stop
9h 03mBOI-BWI
5/15ons.
multi-stop
17h 25mBWI-BOI
$602
5/13man.
multi-stop
44h 50mBOI-IAD
5/22ons.
multi-stop
27h 45mIAD-BOI
$606
5/11lør.
multi-stopDelta
9h 25mGEG-BWI
5/15ons.
multi-stopDelta
10h 10mBWI-GEG
$683
5/14tir.
multi-stopDelta
10h 52mBOI-BWI
5/18lør.
multi-stopDelta
7h 32mBWI-BOI
$684
5/14tir.
multi-stopUnited Airlines
6h 44mIDA-IAD
5/15ons.
multi-stopUnited Airlines
7h 19mIAD-IDA
$758
5/14tir.
multi-stopUnited Airlines
21h 13mBOI-IAD
5/18lør.
multi-stopUnited Airlines
16h 49mIAD-BOI
$768
5/10fre.
multi-stopAmerican Airlines
9h 42mGEG-BWI
5/13man.
multi-stopAmerican Airlines
11h 02mBWI-GEG
$779
5/10fre.
multi-stopAmerican Airlines
13h 01mGEG-BWI
5/13man.
multi-stopAmerican Airlines
14h 33mBWI-GEG
$784

Search by stops

Search by airline

Search by price