IAD

$119 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 2/3. 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
$287
Typical prices: $474-$834
Delta
Sat 3/7Sat 3/14
BOI - IAD • 1 stop
Cheapest one-way
$119
Overall average: $153
Southwest
Tue 2/3
GEG - 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

Sat, Mar 7 - Sat, Mar 14
Delta Logo
1:51 pm - 11:10 pm
BOI
-
IAD
7h 19m1 stop
Delta Logo
7:00 am - 4:00 pm
IAD
-
BOI
11h 00m1 stop
$287Delta
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 - 11:12 am
IAD
-
GEG
20h 08m1 stop
$287Alaska Airlines
Thu, Feb 19 - Sat, Feb 28
Hawaiian Airlines Logo
6:28 am - 5:20 pm
BOI
-
IAD
8h 52m1 stop
Hawaiian Airlines Logo
7:05 am - 10:40 pm
IAD
-
BOI
17h 35m1 stop
$288Hawaiian Airlines
Thu, Feb 19 - Sat, Feb 28
Alaska Airlines Logo
6:28 am - 5:20 pm
BOI
-
IAD
8h 52m1 stop
Alaska Airlines Logo
7:05 am - 10:40 pm
IAD
-
BOI
17h 35m1 stop
$297Alaska Airlines
Mon, Feb 2 - Sat, Feb 14
Alaska Airlines Logo
9:05 am - 4:26 pm
GEG
-
IAD
28h 21m1 stop
Alaska Airlines Logo
7:05 am - 11:59 pm
IAD
-
GEG
19h 54m1 stop
$297Alaska Airlines
Tue, Mar 3 - Sat, Mar 7
Delta Logo
10:41 am - 11:10 pm
BOI
-
IAD
10h 29m1 stop
Delta Logo
12:38 pm - 9:56 pm
IAD
-
BOI
11h 18m2 stops
$303Delta
Sat, Jan 31 - Sat, Feb 7
American Airlines Logo
6:33 am - 9:17 pm
GEG
-
IAD
11h 44m2 stops
American Airlines Logo
7:01 am - 6:49 pm
IAD
-
GEG
14h 48m2 stops
$328American Airlines
Tue, Mar 3 - Sat, Mar 7
United Airlines Logo
2:40 pm - 11:19 pm
BOI
-
IAD
6h 39m1 stop
United Airlines Logo
4:03 pm - 9:34 pm
IAD
-
BOI
7h 31m1 stop
$347United Airlines
Tue, Jan 20 - Sat, Jan 24
United Airlines Logo
12:43 pm - 9:17 pm
SUN
-
IAD
6h 34m1 stop
United Airlines Logo
12:35 pm - 10:02 pm
IAD
-
SUN
11h 27m1 stop
$359United Airlines
Wed, Jul 1 - Wed, Jul 8
American Airlines Logo
11:07 am - 9:58 pm
JAC
-
IAD
8h 51m1 stop
American Airlines Logo
11:56 am - 7:47 pm
IAD
-
JAC
9h 51m1 stop
$399American Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$119
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 Spokane 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
Owings Mills
Oxon Hill
Charles Town
Glen Burnie
Greenbelt
Ellicott City
Edgewood
Colonial Beach
Pikesville
Hunt Valley
Lutherville Timonium
Stevensville
Camp Springs

Everything you need to know for your flight to Dulles Intl

Information on your arrival and departure airports

Washington Dulles Airport (IAD)