IAD

$129 Find Cheap Flights from Idaho to Washington Dulles Airport

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 2/28. 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

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

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Everything you should know

Cheapest round-trip
$257
Overall average: $629
Delta
Tue 3/10Sat 3/14
BOI - IAD • 1 stop
Cheapest one-way
$129
Overall average: $486
United Airlines
Sat 2/28
BOI - IAD • 1 stop
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We hope you love your trip to Dulles Intl!
Flight Deals
Useful Info
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

Tue, Mar 10 - Sat, Mar 14
Delta Logo
1:40 pm - 12:27 am
BOI
-
IAD
8h 47m
1 stop
Delta Logo
7:00 am - 4:00 pm
IAD
-
BOI
11h 00m
1 stop
$257Delta
Wed, Feb 18 - Sat, Feb 28
United Airlines Logo
12:38 pm - 1:08 am
GEG
-
IAD
9h 30m
1 stop
United Airlines Logo
2:36 pm - 9:07 pm
IAD
-
GEG
9h 31m
1 stop
$257United Airlines
Tue, Mar 10 - Sat, Mar 14
Delta Logo
10:35 am - 11:41 pm
BOI
-
IAD
11h 06m
2 stops
Delta Logo
7:00 am - 1:05 pm
IAD
-
BOI
8h 05m
1 stop
$262Delta
Wed, Feb 18 - Sat, Feb 28
Delta Logo
5:00 am - 7:09 pm
GEG
-
IAD
11h 09m
2 stops
Delta Logo
7:00 am - 1:08 pm
IAD
-
GEG
9h 08m
1 stop
$262Delta
Thu, Feb 26 - Wed, Mar 4
Multiple Airlines Logo
5:40 am - 5:20 pm
GEG
-
IAD
8h 40m
1 stop
Multiple Airlines Logo
7:05 am - 12:29 pm
IAD
-
GEG
8h 24m
1 stop
$299Multiple Airlines
Wed, Mar 4 - Wed, Mar 4
Southwest Logo
6:20 am - 3:50 pm
GEG
-
IAD
6h 30m
1 stop
Southwest Logo
5:30 pm - 9:45 pm
IAD
-
GEG
7h 15m
1 stop
$317Southwest
Thu, Mar 5 - Sun, Mar 8
Alaska Airlines Logo
1:04 pm - 5:40 am
JAC
-
IAD
14h 36m
1 stop
Alaska Airlines Logo
7:05 am - 11:08 am
IAD
-
JAC
30h 03m
1 stop
$363Alaska Airlines
Thu, Mar 5 - Sun, Mar 8
Alaska Airlines Logo
11:48 am - 5:40 am
JAC
-
IAD
15h 52m
2 stops
Alaska Airlines Logo
7:05 am - 11:08 am
IAD
-
JAC
30h 03m
1 stop
$368Alaska Airlines
Wed, Jul 1 - Wed, Jul 8
American Airlines Logo
11:07 am - 9:58 pm
JAC
-
IAD
8h 51m
1 stop
American Airlines Logo
11:56 am - 7:47 pm
IAD
-
JAC
9h 51m
1 stop
$511American Airlines
Wed, Jul 1 - Wed, Jul 8
American Airlines Logo
11:07 am - 9:58 pm
JAC
-
IAD
8h 51m
1 stop
American Airlines Logo
6:40 am - 3:37 pm
IAD
-
JAC
10h 57m
2 stops
$616American Airlines
Useful Info

Good to know

Low seasonFebruary
Cheapest flight$129
Best time to beat the crowds with an average 1% drop in price.
Most popular time to fly and prices are also 3% 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.

Traveling to a place near Dulles Intl?

Book flights to Dulles Intl if you plan to visit one of these locations
Winchester
Linthicum Heights
Hanover
Springfield
Gaithersburg
Towson
Martinsburg
Oxon Hill
Owings Mills
Charles Town
Glen Burnie
Greenbelt
Ellicott City
Edgewood
Colonial Beach
Pikesville
Lutherville Timonium
Hunt Valley
Camp Springs
Stevensville

Everything you need to know for your flight to Dulles Intl

Information on your arrival and departure airports

Washington Dulles Airport (IAD)