$89 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 8/22. 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

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

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

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

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

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

Flights Deals
Useful Info
Flights Deals

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.

Fri, Aug 22 - Sun, Aug 24
 Logo
12:25 pm - 6:54 amGEG-BWI
15h 29m1 stop
 Logo
1:31 pm - 11:35 amBWI-GEG
25h 04m2 stops
Thu, Oct 23 - Sun, Oct 26
Spirit Airlines Logo
9:49 pm - 9:02 pmBOI-BWI
21h 13m2 stops
Spirit Airlines Logo
6:26 am - 8:44 pmBWI-BOI
16h 18m2 stops
$234Spirit Airlines
Find Deal
Fri, Aug 29 - Fri, Sep 5
Hawaiian Airlines Logo
1:40 pm - 12:20 amGEG-IAD
7h 40m1 stop
Hawaiian Airlines Logo
7:00 am - 12:46 pmIAD-GEG
8h 46m1 stop
$279Hawaiian Airlines
Find Deal
Fri, Aug 29 - Fri, Sep 5
Hawaiian Airlines Logo
9:25 am - 9:44 pmGEG-DCA
9h 19m1 stop
Hawaiian Airlines Logo
5:49 pm - 11:11 pmDCA-GEG
8h 22m1 stop
$279Hawaiian Airlines
Find Deal
Wed, Aug 27 - Sun, Aug 31
Alaska Airlines Logo
4:34 pm - 5:33 amBOI-BWI
10h 59m1 stop
Alaska Airlines Logo
7:00 am - 3:00 pmBWI-BOI
10h 00m1 stop
$287Alaska Airlines
Find Deal
Mon, Aug 18 - Tue, Aug 26
Alaska Airlines Logo
6:51 pm - 4:25 pmBOI-IAD
19h 34m1 stop
Alaska Airlines Logo
7:00 am - 3:54 pmIAD-BOI
10h 54m1 stop
$289Alaska Airlines
Find Deal
Thu, Aug 14 - Sun, Aug 17
United Airlines Logo
4:07 pm - 12:45 amJAC-IAD
6h 38m1 stop
United Airlines Logo
1:20 pm - 7:05 pmIAD-JAC
7h 45m1 stop
$289United Airlines
Find Deal
Wed, Oct 29 - Sat, Nov 1
Delta Logo
3:00 pm - 11:47 pmBOI-BWI
6h 47m1 stop
Delta Logo
2:25 pm - 10:47 pmBWI-BOI
10h 22m2 stops
$292Delta
Find Deal
Tue, Aug 5 - Tue, Aug 12
United Airlines Logo
6:25 pm - 5:10 amGEG-BWI
7h 45m1 stop
United Airlines Logo
8:55 am - 2:47 pmBWI-GEG
8h 52m1 stop
$297United Airlines
Find Deal
Fri, Aug 22 - Mon, Aug 25
Delta Logo
12:45 pm - 12:21 amGEG-IAD
8h 36m1 stop
Delta Logo
7:35 am - 12:41 pmIAD-GEG
8h 06m1 stop
$297Delta
Find Deal
Useful Info

Good to know

Low seasonJuly
High seasonJune
Cheapest flight$89
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Spokane 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.

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.

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.