IDA - IAD

$190 Find Cheap Flights from Idaho Falls 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 from Idaho Falls to Washington, D.C. departing on 9/3. 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

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$349
Multiple Airlines
Mon 8/31Thu 9/3
IDA - IAD • 1 stop
Cheapest one-way
$190
United Airlines
Thu 9/3
IDA - IAD • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Idaho Falls and Washington, D.C.. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Seattle (SEA)
Cheapest • Avg $447 (round-trip)
Denver (DEN)
Shortest trip • 6h 42m (one-way)
Insights
Insights
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Washington, D.C.!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Idaho Falls to Washington, D.C. (IDA-IAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho Falls to Washington, D.C. 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 Falls to Washington, D.C.

Mon, Aug 31 - Thu, Sep 3
Multiple Airlines Logo
8:33 pm - 8:04 amIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
9h 31m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:59 am - 8:54 amIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
25h 55m1 stop Las Vegas Harry Reid Intl
$349Multiple Airlines
Sat, Jan 23 - Tue, Jan 26
United Airlines Logo
2:35 pm - 11:13 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
6h 38m1 stop Denver Intl
United Airlines Logo
4:08 pm - 9:08 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
7h 00m1 stop Denver Intl
$359United Airlines
Sat, Jan 23 - Tue, Jan 26
American Airlines Logo
1:48 pm - 11:23 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
7h 35m1 stop Dallas/Fort Worth
American Airlines Logo
7:14 am - 1:18 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
8h 04m1 stop Dallas/Fort Worth
$359American Airlines
Thu, Sep 17 - Sun, Sep 20
United Airlines Logo
4:04 pm - 12:32 amIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
6h 28m1 stop Denver Intl
United Airlines Logo
6:30 am - 1:29 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
8h 59m1 stop Denver Intl
$359United Airlines
Sat, Jan 23 - Tue, Jan 26
Delta Logo
1:10 pm - 11:46 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
8h 36m1 stop Salt Lake City
Delta Logo
7:30 am - 6:14 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
12h 44m2 stops Minneapolis St Paul Salt Lake City
$364Delta
Sat, Jan 23 - Tue, Jan 26
Delta Logo
1:10 pm - 11:46 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
8h 36m1 stop Salt Lake City
Delta Logo
3:00 pm - 10:19 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
9h 19m2 stops Minneapolis St Paul Salt Lake City
$364Delta
Sat, Jan 23 - Tue, Jan 26
Delta Logo
1:10 pm - 12:20 amIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
9h 10m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
10:05 am - 10:19 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
14h 14m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$369Delta
Mon, Aug 31 - Thu, Sep 3
Multiple Airlines Logo
8:33 pm - 6:29 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
19h 56m2 stops Las Vegas Harry Reid Intl Dallas/Fort Worth
Multiple Airlines Logo
8:59 am - 8:54 amIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
25h 55m1 stop Las Vegas Harry Reid Intl
$388Multiple Airlines
Tue, Sep 22 - Sat, Sep 26
Alaska Airlines Logo
2:01 pm - 11:59 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
7h 58m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:00 am - 3:20 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
10h 20m1 stop Seattle/Tacoma Intl
$389Alaska Airlines
Wed, Aug 26 - Tue, Sep 1
Delta Logo
3:17 pm - 11:39 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
6h 22m1 stop Salt Lake City
Delta Logo
12:30 pm - 10:32 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
12h 02m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$399Delta
Booking Insights

KAYAK's insights & trends for Idaho Falls to Washington, D.C. flights

Get data-powered insights and trends into flights from Idaho Falls to Washington, D.C. to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Idaho Falls to Washington Dulles Airport?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest round-trip tickets from Idaho Falls to Washington Dulles Airport were found on United Airlines ($359) and Delta ($364).

Find deals

Good to know

Cheapest flight

$190
Flight from Idaho Falls to Washington Dulles Airport

When to book flights from Idaho Falls to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Idaho Falls to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Idaho Falls to Washington Dulles Airport flights

  • What is the cheapest flight from Idaho Falls to Washington, D.C. Dulles Intl Airport?

    In the last 5 days, the lowest price for a flight from Idaho Falls to Washington, D.C. Dulles Intl Airport was $190 for a one-way ticket and $349 for a round-trip.

  • Do I need a passport to fly between Idaho Falls and Washington Dulles Airport?

    A passport is not required to fly from Idaho Falls to Washington Dulles Airport.

  • Which aircraft models fly most regularly from Idaho Falls to Washington Dulles Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Idaho Falls to Washington Dulles Airport?

    Star Alliance is the only airline alliance operating flights between Idaho Falls and Washington Dulles Airport.

  • How does KAYAK find such low prices on flights from Idaho Falls 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 Falls 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 Falls 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 Falls 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 Falls 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 Falls with another airline. Booking your flights between Idaho Falls and IAD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho Falls 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 Falls 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 from Idaho Falls to Washington, D.C.

Information on your arrival and departure airports

Idaho Falls (IDA)
Dulles Intl (IAD)