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Cheap flights from Washington, D.C. to Idaho Falls from $303

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 6/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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Sat 6/1

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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
Aug 6
IAD7:30 amWashington, D.C. Dulles Intl
6h 48m
1 stop
IDA12:18 pmIdaho Falls Fanning Field
Aug 14
IDA7:00 pmIdaho Falls Fanning Field
12h 14m
2 stops
IAD9:14 amWashington, D.C. Dulles Intl
United Airlines
Aug 6
IAD11:00 amWashington, D.C. Dulles Intl
8h 17m
1 stop
IDA5:17 pmIdaho Falls Fanning Field
Aug 14
IDA10:45 amIdaho Falls Fanning Field
8h 37m
1 stop
IAD9:22 pmWashington, D.C. Dulles Intl
Alaska Airlines
Jun 12
IAD7:00 amWashington, D.C. Dulles Intl
18h 57m
1 stop
IDA11:57 pmIdaho Falls Fanning Field
Jun 19
IDA4:02 pmIdaho Falls Fanning Field
13h 28m
1 stop
IAD7:30 amWashington, D.C. Dulles Intl
American Airlines
Aug 6
DCA11:30 amWashington, D.C. Reagan-National
12h 34m
1 stop
IDA10:04 pmIdaho Falls Fanning Field
Aug 14
IDA1:41 pmIdaho Falls Fanning Field
17h 34m
1 stop
DCA9:15 amWashington, D.C. Reagan-National
Delta
Aug 6
DCA5:20 pmWashington, D.C. Reagan-National
6h 41m
1 stop
IDA10:01 pmIdaho Falls Fanning Field
Aug 14
IDA7:00 pmIdaho Falls Fanning Field
11h 39m
2 stops
DCA8:39 amWashington, D.C. Reagan-National
Alaska Airlines
Jun 12
IAD7:00 amWashington, D.C. Dulles Intl
18h 57m
2 stops
IDA11:57 pmIdaho Falls Fanning Field
Jun 19
IDA6:00 amIdaho Falls Fanning Field
23h 30m
1 stop
IAD7:30 amWashington, D.C. Dulles Intl

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
American Airlines
Jun 20
BWI1:19 pmBaltimore/Washington
10h 24m
2 stops
IDA9:43 pmIdaho Falls Fanning Field
Alaska Airlines
Jun 7
IAD6:10 pmWashington, D.C. Dulles Intl
22h 42m
1 stop
IDA2:52 pmIdaho Falls Fanning Field
United Airlines
Jun 15
IAD10:15 pmWashington, D.C. Dulles Intl
13h 25m
2 stops
IDA9:40 amIdaho 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
United Airlines
May 29
IAD12:45 pmWashington, D.C. Dulles Intl
6h 30m
1 stop
IDA5:15 pmIdaho Falls Fanning Field
Jun 5
IDA10:45 amIdaho Falls Fanning Field
10h 19m
1 stop
IAD11:04 pmWashington, D.C. Dulles Intl
United Airlines
May 29
IAD8:25 amWashington, D.C. Dulles Intl
6h 56m
1 stop
IDA1:21 pmIdaho Falls Fanning Field
Jun 5
IDA7:10 amIdaho Falls Fanning Field
15h 37m
2 stops
IAD12:47 amWashington, D.C. Dulles Intl
United Airlines
May 29
IAD9:00 amWashington, D.C. Dulles Intl
14h 08m
2 stops
IDA9:08 pmIdaho Falls Fanning Field
Jun 5
IDA10:45 amIdaho Falls Fanning Field
12h 02m
2 stops
IAD12:47 amWashington, D.C. Dulles Intl

Delta flights from Washington, D.C. to Idaho Falls

Our best Delta deals on Washington, D.C. to Idaho Falls flight tickets
Delta
Aug 6
IAD7:30 amWashington, D.C. Dulles Intl
6h 48m
1 stop
IDA12:18 pmIdaho Falls Fanning Field
Aug 14
IDA7:00 pmIdaho Falls Fanning Field
12h 14m
2 stops
IAD9:14 amWashington, D.C. Dulles Intl
Delta
Aug 6
DCA5:20 pmWashington, D.C. Reagan-National
6h 41m
1 stop
IDA10:01 pmIdaho Falls Fanning Field
Aug 14
IDA7:00 pmIdaho Falls Fanning Field
11h 39m
2 stops
DCA8:39 amWashington, D.C. Reagan-National
Delta
Aug 6
DCA12:59 pmWashington, D.C. Reagan-National
11h 02m
2 stops
IDA10:01 pmIdaho Falls Fanning Field
Aug 14
IDA7:00 pmIdaho Falls Fanning Field
11h 39m
2 stops
DCA8:39 amWashington, D.C. Reagan-National

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
Aug 6
IAD11:00 amWashington, D.C. Dulles Intl
8h 17m
1 stop
IDA5:17 pmIdaho Falls Fanning Field
Aug 14
IDA10:45 amIdaho Falls Fanning Field
8h 37m
1 stop
IAD9:22 pmWashington, D.C. Dulles Intl
United Airlines
Jul 26
IAD10:08 pmWashington, D.C. Dulles Intl
13h 27m
1 stop
IDA9:35 amIdaho Falls Fanning Field
Aug 2
IDA5:58 pmIdaho Falls Fanning Field
15h 28m
1 stop
IAD11:26 amWashington, D.C. Dulles Intl
United Airlines
Aug 6
IAD9:00 amWashington, D.C. Dulles Intl
14h 08m
2 stops
IDA9:08 pmIdaho Falls Fanning Field
Aug 10
IDA5:58 pmIdaho Falls Fanning Field
9h 27m
1 stop
IAD5:25 amWashington, D.C. Dulles Intl

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 May

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

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

$303

Fastest flight time

6h 18m

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 $303. The best round-trip flight deal from Washington, D.C. to Idaho Falls found on momondo in the last 72 hours is $445.
The fastest flight from Washington, D.C. to Idaho Falls takes 6h 18m
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 18m, 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.


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 $390Free CancellationRating
7.4
10,894 reviews
Search United Airlines flights
American AirlinesPriceFrom $408Free CancellationRating
7.3
14,472 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $425Free CancellationRating
8.0
9,166 reviews
Search Alaska Airlines flights
DeltaPriceFrom $472Free CancellationRating
8.0
10,635 reviews
Search Delta flights

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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