IAD

$127 Find Cheap Flights from Idaho to Washington Dulles Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Dulles Intl departing on 10/5. 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, 0 bags

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Flight Deals

Cheap Flights from Idaho to Dulles Intl

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho to Dulles Intl 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 Dulles Intl

Thu, Sep 10 - Mon, Sep 14
Frontier Logo
2:50 pm - 6:20 amBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
13h 30m1 stop Las Vegas Harry Reid Intl
Frontier Logo
6:00 am - 1:55 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
9h 55m1 stop Las Vegas Harry Reid Intl
$242Frontier
Thu, Oct 1 - Mon, Oct 5
Frontier Logo
2:50 pm - 6:20 amBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
13h 30m1 stop Las Vegas Harry Reid Intl
Frontier Logo
6:00 am - 1:55 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
9h 55m1 stop Las Vegas Harry Reid Intl
$272Frontier
Thu, Sep 17 - Mon, Sep 21
Frontier Logo
2:50 pm - 6:20 amBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
13h 30m1 stop Las Vegas Harry Reid Intl
Frontier Logo
6:00 am - 1:55 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
9h 55m1 stop Las Vegas Harry Reid Intl
$282Frontier
Sat, Aug 29 - Sun, Sep 6
United Airlines Logo
2:44 pm - 11:19 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
6h 35m1 stop Denver Intl
United Airlines Logo
6:30 am - 1:38 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
9h 08m1 stop Denver Intl
$303United Airlines
Thu, Sep 3 - Wed, Sep 9
United Airlines Logo
2:44 pm - 12:32 amBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
7h 48m1 stop Denver Intl
United Airlines Logo
6:15 am - 11:26 amIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
7h 11m1 stop Chicago O'Hare Intl
$303United Airlines
Mon, Nov 2 - Thu, Nov 5
Delta Logo
3:00 pm - 11:26 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
6h 26m1 stop Minneapolis St Paul
Delta Logo
7:23 am - 12:35 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
7h 12m1 stop Minneapolis St Paul
$303Delta
Tue, Jan 26 - Sat, Jan 30
Delta Logo
1:15 pm - 11:46 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
8h 31m1 stop Salt Lake City
Delta Logo
7:05 am - 3:30 pmIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
10h 25m1 stop Seattle/Tacoma Intl
$303Delta
Thu, Sep 3 - Wed, Sep 9
United Airlines Logo
11:52 am - 10:19 pmBOI  Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl
8h 27m1 stop San Francisco
United Airlines Logo
6:15 am - 11:26 amIAD  Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld
7h 11m1 stop Chicago O'Hare Intl
$303United Airlines
Thu, Sep 17 - Mon, Sep 21
Alaska Airlines Logo
12:17 pm - 11:59 pmGEG  Spokane-IAD Washington, D.C. Dulles Intl
8h 42m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:57 pm - 11:59 pmIAD  Washington, D.C. Dulles Intl-GEG Spokane
9h 02m1 stop Seattle/Tacoma Intl
$314Alaska Airlines
Sat, Sep 19 - Sat, Sep 26
Alaska Airlines Logo
1:36 pm - 11:59 pmGEG  Spokane-IAD Washington, D.C. Dulles Intl
7h 23m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:46 pm - 11:59 pmIAD  Washington, D.C. Dulles Intl-GEG Spokane
9h 13m1 stop Seattle/Tacoma Intl
$314Alaska Airlines
Useful Info

Good to know

Low season

January

Cheapest flight

$127
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly and prices are also 14% lower on average.
Flight from Boise to Washington Dulles Airport

FAQs for booking Idaho to Washington Dulles Airport flights

  • How does KAYAK find such low prices on flights from Idaho to Washington Dulles Airport?

    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 Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport 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 Dulles Airport?

    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 Dulles Airport 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 Dulles Airport?

    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 Dulles Airport from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Dulles Intl

Information on your arrival and departure airports

Washington Dulles Airport (IAD)