IAD

$117 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 2/19. 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
$237
Overall average: $583
Southwest
Tue 3/17Wed 3/25
GEG - IAD • 1 stop
Cheapest one-way
$117
Overall average: $486
Frontier
Thu 2/19
BOI - IAD • 2 stops
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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 17 - Wed, Mar 25
Southwest Logo
1:55 pm - 11:40 pm
GEG
-
IAD
6h 45m1 stop
Southwest Logo
6:10 pm - 12:10 am
IAD
-
GEG
9h 00m1 stop
$237Southwest
Tue, Feb 10 - Tue, Feb 17
Southwest Logo
6:40 am - 4:50 pm
BOI
-
IAD
8h 10m1 stop
Southwest Logo
5:30 am - 10:20 am
IAD
-
BOI
6h 50m1 stop
$239Southwest
Wed, Jan 28 - Wed, Feb 4
Delta Logo
6:05 am - 11:48 pm
GEG
-
IAD
14h 43m2 stops
Delta Logo
2:15 pm - 7:54 pm
IAD
-
GEG
8h 39m1 stop
$242Delta
Tue, Feb 10 - Tue, Feb 17
Delta Logo
10:39 am - 11:06 pm
BOI
-
IAD
10h 27m2 stops
Delta Logo
2:17 pm - 8:55 pm
IAD
-
BOI
8h 38m1 stop
$244Delta
Tue, Feb 3 - Sat, Feb 7
United Airlines Logo
10:28 am - 9:07 pm
BOI
-
IAD
8h 39m1 stop
United Airlines Logo
2:24 pm - 7:45 pm
IAD
-
BOI
7h 21m1 stop
$280United Airlines
Fri, Jan 30 - Mon, Feb 2
Alaska Airlines Logo
1:38 pm - 4:26 pm
GEG
-
IAD
23h 48m1 stop
Alaska Airlines Logo
6:04 pm - 12:23 am
IAD
-
GEG
9h 19m1 stop
$287Alaska Airlines
Tue, Feb 3 - Fri, Feb 6
Alaska Airlines Logo
6:23 am - 4:26 pm
BOI
-
IAD
8h 03m1 stop
Alaska Airlines Logo
5:26 pm - 11:41 am
IAD
-
BOI
20h 15m2 stops
$290Alaska Airlines
Mon, Mar 2 - Thu, Mar 5
American Airlines Logo
6:00 am - 4:31 pm
GEG
-
IAD
7h 31m1 stop
American Airlines Logo
5:00 am - 11:44 am
IAD
-
GEG
9h 44m2 stops
$331American Airlines
Thu, Mar 5 - Sun, Mar 8
United Airlines Logo
2:13 pm - 11:19 pm
JAC
-
IAD
7h 06m1 stop
United Airlines Logo
2:27 pm - 8:54 pm
IAD
-
JAC
8h 27m1 stop
$363United Airlines
Thu, Mar 5 - Sun, Mar 8
American Airlines Logo
1:08 pm - 10:53 pm
JAC
-
IAD
7h 45m1 stop
American Airlines Logo
5:00 am - 12:18 pm
IAD
-
JAC
9h 18m2 stops
$432American Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$117
Best time to beat the crowds but there is an average 6% increase 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
Hunt Valley
Lutherville Timonium
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)