IAD

$126 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 4/29. 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
$251
Overall average: $539
Delta
Wed 4/1Tue 4/7
BOI - IAD • 1 stop
Cheapest one-way
$126
Typical prices: $179-$312
Delta
Wed 4/29
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

Wed, Apr 1 - Tue, Apr 7
Delta Logo
1:45 pm - 11:49 pm
BOI
-
IAD
8h 04m
1 stop
Delta Logo
7:00 am - 1:05 pm
IAD
-
BOI
8h 05m
1 stop
$251Delta
Sat, Apr 18 - Sat, Apr 25
United Airlines Logo
5:05 am - 4:46 pm
GEG
-
IAD
8h 41m
1 stop
United Airlines Logo
2:36 pm - 9:35 pm
IAD
-
GEG
9h 59m
1 stop
$251United Airlines
Wed, Apr 1 - Tue, Apr 7
Delta Logo
1:45 pm - 11:49 pm
BOI
-
IAD
8h 04m
1 stop
Delta Logo
12:14 pm - 11:46 pm
IAD
-
BOI
13h 32m
2 stops
$256Delta
Sat, Apr 18 - Sat, Apr 25
Delta Logo
1:07 pm - 11:55 pm
GEG
-
IAD
7h 48m
1 stop
Delta Logo
6:00 am - 1:03 pm
IAD
-
GEG
10h 03m
2 stops
$256Delta
Tue, Apr 21 - Sat, May 2
Delta Logo
8:59 am - 11:32 pm
BOI
-
IAD
12h 33m
2 stops
Delta Logo
6:00 am - 2:26 pm
IAD
-
BOI
10h 26m
2 stops
$261Delta
Tue, Mar 10 - Sat, Mar 14
Alaska Airlines Logo
6:28 am - 5:20 pm
BOI
-
IAD
8h 52m
1 stop
Alaska Airlines Logo
6:20 pm - 12:40 pm
IAD
-
BOI
20h 20m
1 stop
$281Alaska Airlines
Thu, Apr 23 - Wed, Apr 29
Delta Logo
1:52 pm - 11:55 pm
BOI
-
IAD
8h 03m
1 stop
Delta Logo
7:00 am - 1:12 pm
IAD
-
BOI
8h 12m
1 stop
$283Delta
Sat, Apr 25 - Tue, Apr 28
Alaska Airlines Logo
6:00 am - 6:20 pm
BOI
-
IAD
10h 20m
1 stop
Alaska Airlines Logo
6:47 pm - 3:33 pm
IAD
-
BOI
22h 46m
2 stops
$292Alaska Airlines
Tue, Mar 10 - Thu, Mar 12
American Airlines Logo
6:00 am - 10:53 pm
GEG
-
IAD
13h 53m
2 stops
American Airlines Logo
5:52 pm - 12:23 am
IAD
-
GEG
9h 31m
1 stop
$312American Airlines
Tue, Mar 10 - Thu, Mar 12
American Airlines Logo
6:00 am - 8:29 pm
GEG
-
IAD
11h 29m
2 stops
American Airlines Logo
5:00 am - 11:44 am
IAD
-
GEG
9h 44m
2 stops
$317American Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$126
Best time to beat the crowds but there is an average 10% increase in price.
Most popular time to fly and prices are also 4% 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
Oxon Hill
Martinsburg
Owings Mills
Charles Town
Glen Burnie
Greenbelt
Ellicott City
Edgewood
Colonial Beach
Pikesville
Lutherville Timonium
Hunt Valley
Camp Springs
Westminster

Everything you need to know for your flight to Dulles Intl

Information on your arrival and departure airports

Washington Dulles Airport (IAD)