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Cheap flights from Washington, D.C. to Idaho Falls from $265

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 7/5. 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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Tue 6/11

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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
Multiple Airlines
Jun 21
BWI10:29 amBaltimore/Washington
9h 58m
1 stop
IDA6:27 pmIdaho Falls Fanning Field
Jun 24
IDA10:05 pmIdaho Falls Fanning Field
30h 07m
2 stops
BWI6:12 amBaltimore/Washington
American Airlines
Aug 6
IAD1:17 pmWashington, D.C. Dulles Intl
10h 14m
2 stops
IDA9:31 pmIdaho Falls Fanning Field
Aug 14
IDA1:41 pmIdaho Falls Fanning Field
7h 41m
1 stop
IAD11:22 pmWashington, D.C. Dulles Intl
United Airlines
Jul 23
IAD10:08 pmWashington, D.C. Dulles Intl
13h 27m
1 stop
IDA9:35 amIdaho Falls Fanning Field
Jul 26
IDA5:59 pmIdaho Falls Fanning Field
15h 27m
1 stop
IAD11:26 amWashington, D.C. Dulles Intl
Alaska Airlines
Nov 4
BWI7:00 amBaltimore/Washington
18h 59m
1 stop
IDA11:59 pmIdaho Falls Fanning Field
Nov 7
IDA3:49 pmIdaho Falls Fanning Field
11h 41m
1 stop
BWI5:30 amBaltimore/Washington
Delta
Jun 16
DCA5:59 pmWashington, D.C. Reagan-National
6h 18m
1 stop
IDA10:17 pmIdaho Falls Fanning Field
Jun 21
IDA7:00 pmIdaho Falls Fanning Field
11h 54m
2 stops
DCA8:54 amWashington, D.C. Reagan-National
Multiple Airlines
Jun 21
BWI10:29 amBaltimore/Washington
9h 58m
1 stop
IDA6:27 pmIdaho Falls Fanning Field
Jun 24
IDA7:17 pmIdaho Falls Fanning Field
32h 55m
3 stops
BWI6:12 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, Delta and United Airlines
Delta
Jul 5
DCA6:08 amWashington, D.C. Reagan-National
8h 15m
2 stops
IDA12:23 pmIdaho Falls Fanning Field
Alaska Airlines
Jul 5
IAD7:10 amWashington, D.C. Dulles Intl
18h 47m
2 stops
IDA11:57 pmIdaho Falls Fanning Field
United Airlines
Jul 5
IAD10:08 pmWashington, D.C. Dulles Intl
17h 20m
1 stop
IDA1:28 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
United Airlines
Jun 1
IAD10:58 amWashington, D.C. Dulles Intl
8h 17m
1 stop
IDA5:15 pmIdaho Falls Fanning Field
Jun 9
IDA2:30 pmIdaho Falls Fanning Field
6h 34m
1 stop
IAD11:04 pmWashington, D.C. Dulles Intl
American Airlines
May 31
IAD6:50 amWashington, D.C. Dulles Intl
7h 54m
1 stop
IDA12:44 pmIdaho Falls Fanning Field
Jun 2
IDA12:05 pmIdaho Falls Fanning Field
9h 56m
2 stops
IAD12:01 amWashington, D.C. Dulles Intl
Alaska Airlines
Jun 10
IAD4:19 pmWashington, D.C. Dulles Intl
33h 38m
2 stops
IDA11:57 pmIdaho Falls Fanning Field
Jun 14
IDA6:00 amIdaho Falls Fanning Field
34h 36m
2 stops
IAD6:36 pmWashington, D.C. Dulles Intl
United Airlines
Jun 10
IAD10:08 pmWashington, D.C. Dulles Intl
13h 32m
1 stop
IDA9:40 amIdaho Falls Fanning Field
Jun 14
IDA2:30 pmIdaho Falls Fanning Field
18h 56m
1 stop
IAD11:26 amWashington, D.C. Dulles Intl
American Airlines
May 31
IAD9:24 amWashington, D.C. Dulles Intl
14h 10m
2 stops
IDA9:34 pmIdaho Falls Fanning Field
Jun 2
IDA12:05 pmIdaho Falls Fanning Field
9h 56m
2 stops
IAD12:01 amWashington, D.C. Dulles Intl
United Airlines
Jun 10
IAD10:20 pmWashington, D.C. Dulles Intl
24h 48m
2 stops
IDA9:08 pmIdaho Falls Fanning Field
Jun 14
IDA5:56 pmIdaho Falls Fanning Field
15h 30m
1 stop
IAD11:26 amWashington, 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
Aug 6
IAD1:17 pmWashington, D.C. Dulles Intl
10h 14m
2 stops
IDA9:31 pmIdaho Falls Fanning Field
Aug 14
IDA1:41 pmIdaho Falls Fanning Field
7h 41m
1 stop
IAD11:22 pmWashington, D.C. Dulles Intl
American Airlines
Aug 6
IAD6:52 amWashington, D.C. Dulles Intl
16h 39m
1 stop
IDA9:31 pmIdaho Falls Fanning Field
Aug 14
IDA6:14 amIdaho Falls Fanning Field
15h 08m
1 stop
IAD11:22 pmWashington, D.C. Dulles Intl
American Airlines
Aug 9
BWI1:36 pmBaltimore/Washington
9h 55m
1 stop
IDA9:31 pmIdaho Falls Fanning Field
Aug 15
IDA1:41 pmIdaho Falls Fanning Field
8h 07m
1 stop
BWI11:48 pmBaltimore/Washington

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
Jul 23
IAD10:08 pmWashington, D.C. Dulles Intl
13h 27m
1 stop
IDA9:35 amIdaho Falls Fanning Field
Jul 26
IDA5:59 pmIdaho Falls Fanning Field
15h 27m
1 stop
IAD11:26 amWashington, D.C. Dulles Intl
United Airlines
Jul 27
IAD10:08 pmWashington, D.C. Dulles Intl
17h 20m
1 stop
IDA1:28 pmIdaho Falls Fanning Field
Aug 3
IDA5:59 pmIdaho Falls Fanning Field
9h 26m
1 stop
IAD5:25 amWashington, D.C. Dulles Intl
United Airlines
Nov 4
IAD10:05 pmWashington, D.C. Dulles Intl
13h 23m
1 stop
IDA9:28 amIdaho Falls Fanning Field
Nov 7
IDA10:45 amIdaho Falls Fanning Field
10h 38m
1 stop
IAD11:23 pmWashington, 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?

Baltimore/Washington - Idaho Falls Fanning Field. Fly from Baltimore/Washington 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

$265

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 $265. The best round-trip flight deal from Washington, D.C. to Idaho Falls found on momondo in the last 72 hours is $329.
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 $389Free CancellationRating
7.4
10,777 reviews
Search United Airlines flights
American AirlinesPriceFrom $408Free CancellationRating
7.3
14,284 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $425Free CancellationRating
8.0
9,192 reviews
Search Alaska Airlines flights
DeltaPriceFrom $472Free CancellationRating
8.0
10,457 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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