$83 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 7/17. 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
1 adult, Economy

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Cheap Flights from Idaho to Washington, D.C.

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho to Washington, D.C. that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Idaho to Washington, D.C.

Wed, Oct 29 - Sat, Nov 1
American Airlines Logo
1:27 pm - 11:48 pmBOI-BWI
8h 21m1 stop
American Airlines Logo
6:00 am - 12:47 pmBWI-BOI
8h 47m1 stop
$169American Airlines
Find Deal
Tue, Oct 21 - Sat, Oct 25
American Airlines Logo
12:33 pm - 10:48 pmGEG-IAD
7h 15m1 stop
American Airlines Logo
11:41 am - 6:46 pmIAD-GEG
10h 05m1 stop
$173American Airlines
Find Deal
Sat, Aug 16 - Sat, Aug 23
Southwest Logo
3:05 pm - 5:05 amGEG-BWI
11h 00m1 stop
Southwest Logo
6:05 am - 11:30 amBWI-GEG
8h 25m1 stop
$174Southwest
Find Deal
Sat, Aug 16 - Sat, Aug 23
Southwest Logo
3:05 pm - 5:00 amGEG-BWI
10h 55m2 stops
Southwest Logo
6:05 am - 11:30 amBWI-GEG
8h 25m1 stop
$179Southwest
Find Deal
Thu, Aug 14 - Wed, Aug 20
Delta Logo
11:39 pm - 9:12 amBOI-IAD
7h 33m1 stop
Delta Logo
6:15 am - 2:01 pmIAD-BOI
9h 46m1 stop
$197Delta
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Tue, Aug 5 - Tue, Aug 12
Delta Logo
11:09 pm - 9:19 amGEG-IAD
7h 10m1 stop
Delta Logo
7:35 am - 12:41 pmIAD-GEG
8h 06m1 stop
$197Delta
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Tue, Sep 9 - Thu, Sep 11
Hawaiian Airlines Logo
8:46 pm - 7:33 amBOI-IAD
8h 47m1 stop
Hawaiian Airlines Logo
7:00 am - 3:00 pmIAD-BOI
10h 00m1 stop
$200Hawaiian Airlines
Find Deal
Thu, Sep 18 - Tue, Sep 23
Alaska Airlines Logo
5:45 pm - 7:33 amBOI-IAD
11h 48m1 stop
Alaska Airlines Logo
7:00 am - 3:00 pmIAD-BOI
10h 00m1 stop
$201Alaska Airlines
Find Deal
Thu, Oct 2 - Wed, Oct 8
Alaska Airlines Logo
5:45 pm - 5:39 amBOI-BWI
9h 54m1 stop
Alaska Airlines Logo
7:51 am - 2:36 pmBWI-BOI
8h 45m1 stop
$201Alaska Airlines
Find Deal
Wed, Sep 3 - Sun, Sep 7
Hawaiian Airlines Logo
8:46 pm - 7:33 amBOI-IAD
8h 47m1 stop
Hawaiian Airlines Logo
7:00 am - 3:00 pmIAD-BOI
10h 00m1 stop
$212Hawaiian Airlines
Find Deal
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Good to know

Low seasonFebruary
High seasonJune
Cheapest flight$83
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 6% increase in price.
Flight from Spokane to Reagan Washington National Airport

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.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Clinton

Everything you need to know for your flight to Washington, D.C.

Cabin class types available on flights to Idaho

Cabin classes available on flights to Washington, D.C.. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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