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Cheap flights from Washington, D.C. to Idaho Falls from $308

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Idaho Falls departing on 6/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Easily compare round-trip flights from Washington, D.C. to Idaho Falls

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Washington, D.C. to Idaho Falls by changing tabs
Delta
May 28
BWI6:55 amBaltimore/Washington
7h 33m
1 stop
IDA12:28 pmIdaho Falls Fanning Field
Jun 4
IDA7:00 pmIdaho Falls Fanning Field
8h 39m
1 stop
BWI5:39 amBaltimore/Washington
United Airlines
May 29
IAD10:58 amWashington, D.C. Dulles Intl
12h 10m
1 stop
IDA9:08 pmIdaho Falls Fanning Field
Jun 5
IDA5:56 pmIdaho Falls Fanning Field
9h 29m
1 stop
IAD5:25 amWashington, D.C. Dulles Intl
Alaska Airlines
Sep 8
IAD7:09 pmWashington, D.C. Dulles Intl
22h 21m
1 stop
IDA3:30 pmIdaho Falls Fanning Field
Sep 20
IDA6:06 amIdaho Falls Fanning Field
15h 53m
1 stop
IAD11:59 pmWashington, D.C. Dulles Intl
American Airlines
Jul 9
IAD6:00 amWashington, D.C. Dulles Intl
9h 06m
1 stop
IDA1:06 pmIdaho Falls Fanning Field
Jul 16
IDA1:36 pmIdaho Falls Fanning Field
7h 48m
1 stop
IAD11:24 pmWashington, D.C. Dulles Intl
Delta
May 29
IAD7:15 amWashington, D.C. Dulles Intl
7h 13m
1 stop
IDA12:28 pmIdaho Falls Fanning Field
Jun 5
IDA7:00 pmIdaho Falls Fanning Field
12h 07m
2 stops
IAD9:07 amWashington, D.C. Dulles Intl
Delta
May 28
BWI6:55 amBaltimore/Washington
7h 33m
1 stop
IDA12:28 pmIdaho Falls Fanning Field
Jun 4
IDA7:00 pmIdaho Falls Fanning Field
11h 55m
2 stops
BWI8:55 amBaltimore/Washington

Find the cheapest one-way flights from Washington, D.C. to Idaho Falls

If you're looking for one-way flights from Washington, D.C. to Idaho Falls, view some of our deals below provided by Alaska Airlines, American Airlines and Delta
Alaska Airlines
Jun 2
IAD7:00 amWashington, D.C. Dulles Intl
33h 52m
2 stops
IDA2:52 pmIdaho Falls Fanning Field
United Airlines
May 24
IAD8:15 pmWashington, D.C. Dulles Intl
26h 53m
1 stop
IDA9:08 pmIdaho Falls Fanning Field
Delta
Jun 2
DCA5:10 pmWashington, D.C. Reagan-National
6h 48m
1 stop
IDA9:58 pmIdaho Falls Fanning Field

Search last-minute flights to Idaho Falls from Washington, D.C.

Find and compare round-trip flight prices for your last-minute flight from Washington, D.C. to Idaho Falls
Delta
May 4
DCA5:30 pmWashington, D.C. Reagan-National
6h 35m
1 stop
IDA10:05 pmIdaho Falls Fanning Field
May 7
IDA6:00 amIdaho Falls Fanning Field
8h 00m
1 stop
DCA4:00 pmWashington, D.C. Reagan-National
Alaska Airlines
May 4
IAD7:40 amWashington, D.C. Dulles Intl
9h 11m
1 stop
IDA2:51 pmIdaho Falls Fanning Field
May 7
IDA6:00 amIdaho Falls Fanning Field
10h 04m
1 stop
IAD6:04 pmWashington, D.C. Dulles Intl
Delta
May 4
DCA12:35 pmWashington, D.C. Reagan-National
11h 30m
2 stops
IDA10:05 pmIdaho Falls Fanning Field
May 7
IDA6:00 amIdaho Falls Fanning Field
8h 00m
1 stop
DCA4:00 pmWashington, D.C. Reagan-National
Alaska Airlines
May 4
IAD7:40 amWashington, D.C. Dulles Intl
9h 11m
1 stop
IDA2:51 pmIdaho Falls Fanning Field
May 7
IDA6:00 amIdaho Falls Fanning Field
10h 04m
1 stop
IAD6:04 pmWashington, D.C. Dulles Intl
Delta
May 4
IAD7:10 amWashington, D.C. Dulles Intl
7h 39m
1 stop
IDA12:49 pmIdaho Falls Fanning Field
May 7
IDA7:00 pmIdaho Falls Fanning Field
12h 07m
2 stops
IAD9:07 amWashington, D.C. Dulles Intl
Delta
May 4
DCA12:35 pmWashington, D.C. Reagan-National
11h 30m
2 stops
IDA10:05 pmIdaho Falls Fanning Field
May 7
IDA6:00 amIdaho Falls Fanning Field
9h 59m
2 stops
DCA5:59 pmWashington, D.C. Reagan-National

Best airlines flying from Washington, D.C. to Idaho Falls

Compare and see reviews for airlines that fly from Washington, D.C. to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $389Free CancellationRating
7.4
11,202 reviews
Search United Airlines flights
American AirlinesPriceFrom $408Free CancellationRating
7.3
14,834 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $425Free CancellationRating
8.0
9,116 reviews
Search Alaska Airlines flights
DeltaPriceFrom $480Free CancellationRating
8.0
10,913 reviews
Search Delta flights

United Airlines flights from Washington, D.C. to Idaho Falls

Our best United Airlines deals on Washington, D.C. to Idaho Falls flight tickets
United Airlines
May 29
IAD10:58 amWashington, D.C. Dulles Intl
12h 10m
1 stop
IDA9:08 pmIdaho Falls Fanning Field
Jun 5
IDA5:56 pmIdaho Falls Fanning Field
9h 29m
1 stop
IAD5:25 amWashington, D.C. Dulles Intl
United Airlines
May 29
IAD8:32 amWashington, D.C. Dulles Intl
14h 36m
1 stop
IDA9:08 pmIdaho Falls Fanning Field
Jun 3
IDA5:56 pmIdaho Falls Fanning Field
15h 30m
1 stop
IAD11:26 amWashington, D.C. Dulles Intl
United Airlines
Aug 9
IAD10:08 pmWashington, D.C. Dulles Intl
21h 09m
1 stop
IDA5:17 pmIdaho Falls Fanning Field
Aug 15
IDA5:58 pmIdaho Falls Fanning Field
17h 13m
1 stop
IAD1:11 pmWashington, D.C. Dulles Intl

American Airlines flights from Washington, D.C. to Idaho Falls

Our best American Airlines deals on Washington, D.C. to Idaho Falls flight tickets
American Airlines
Jul 9
IAD6:00 amWashington, D.C. Dulles Intl
9h 06m
1 stop
IDA1:06 pmIdaho Falls Fanning Field
Jul 16
IDA1:36 pmIdaho Falls Fanning Field
7h 48m
1 stop
IAD11:24 pmWashington, D.C. Dulles Intl
American Airlines
Jul 23
DCA1:40 pmWashington, D.C. Reagan-National
9h 59m
1 stop
IDA9:39 pmIdaho Falls Fanning Field
Aug 21
IDA6:31 amIdaho Falls Fanning Field
10h 19m
2 stops
DCA6:50 pmWashington, D.C. Reagan-National
American Airlines
Jul 9
DCA6:59 amWashington, D.C. Reagan-National
16h 40m
1 stop
IDA9:39 pmIdaho Falls Fanning Field
Jul 16
IDA1:36 pmIdaho Falls Fanning Field
17h 29m
1 stop
DCA9:05 amWashington, D.C. Reagan-National

How to get the cheapest flight ticket from Washington, D.C. to Idaho Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Washington, D.C. to Idaho Falls?

January. The cheapest time of year to fly to Idaho Falls from Washington, D.C. is January. Most expensive is December

What is the cheapest day to depart Washington, D.C. for Idaho Falls?

Saturday. The cheapest day of the week is typically Saturday. The most expensive is typically Sunday

When is the cheapest time to fly from Washington, D.C. to Idaho Falls?

In the evening. Washington, D.C. to Idaho Falls flights are approximately 54% more expensive at noon than in the evening

What is the cheapest airline that flies to Idaho Falls from Washington, D.C.?

Alaska Airlines. Alaska Airlines, American Airlines, and Delta are the most popular carriers operating from Washington, D.C. to Idaho Falls

What is the cheapest Washington, D.C. to Idaho Falls flight route?

Washington, D.C. Reagan-National - Idaho Falls Fanning Field. Fly from Washington, D.C. Reagan-National to Idaho Falls Fanning Field for the best Washington, D.C. - Idaho Falls flight prices

How far in advance should you book Washington, D.C. to Idaho Falls flights?

26 days before. The cheapest time to buy a flight from Washington, D.C. to Idaho Falls is approximately 26 days to departure

Cheap Washington, D.C. to Idaho Falls (WAS to IDA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Idaho Falls

Best Price Found

$308

Fastest flight time

6h 41m

Direct flights

None

Airports in Idaho Falls

1 airport
The best one-way flight to Idaho Falls from Washington, D.C. in the past 72 hours is $308. The best round-trip flight deal from Washington, D.C. to Idaho Falls found on momondo in the last 72 hours is $473.
The fastest flight from Washington, D.C. to Idaho Falls takes 6h 41m
There are no direct flights from Washington, D.C. to Idaho Falls. Popular non-direct routes for this connection are Washington, D.C. Reagan-National Airport - Idaho Falls Fanning Field Airport, Washington, D.C. Dulles Intl Airport - Idaho Falls Fanning Field Airport and Baltimore/Washington Airport - Idaho Falls Fanning Field Airport.
There is 1 airport near Idaho Falls: Idaho Falls Fanning Field (IDA)

  • How far is Washington, D.C. to Idaho Falls Fanning Field by plane?

    A flight from Washington, D.C. to Idaho Falls Fanning Field will travel around 1831.8 mi. Flights usually cover this in 6h 41m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Washington, D.C. to Idaho Falls Fanning Field Airport?

    Prices for flights from Washington, D.C. to Idaho Falls Fanning Field Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from Washington, D.C. to Idaho Falls Fanning Field Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Idaho Falls?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Idaho Falls. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Idaho Falls with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Idaho Falls from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Idaho Falls?

momondo helps you find the best flight between Washington, D.C. and Idaho Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Idaho Falls right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Idaho Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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