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Cheap flights from Washington, D.C. to Idaho Falls from $336

This is the cheapest round-trip 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 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to Idaho Falls

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. to Idaho Falls that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. to Idaho Falls.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. to Idaho Falls? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Idaho Falls, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. to Idaho Falls

Find recent round-trip train or bus tickets from Washington, D.C. to Idaho Falls.

All round-trip flight deals to Idaho Falls

The cheapest plane tickets to Idaho Falls found on KAYAK recently.
11:39 am - 11:28 amBWI-IDA
25h 49m2 stops
6:25 pm - 5:41 pmIDA-BWI
21h 16m2 stops
Thu, Dec 5 - Mon, Dec 9
9:46 am - 10:01 pmBWI-IDA
14h 15m1 stop
6:25 pm - 5:41 pmIDA-BWI
21h 16m2 stops
Thu, Dec 5 - Mon, Dec 9
6:57 pm - 3:27 pmIAD-IDA
22h 30m1 stop
8:00 am - 5:57 pmIDA-IAD
7h 57m1 stop
$364Alaska Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
6:06 am - 12:25 pmDCA-IDA
8h 19m1 stop
12:55 pm - 12:40 amIDA-DCA
9h 45m1 stop
$384American Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
6:06 am - 12:25 pmDCA-IDA
8h 19m1 stop
5:30 am - 4:55 pmIDA-DCA
9h 25m2 stops
$389American Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
5:18 pm - 10:36 pmIAD-IDA
31h 18m2 stops
8:00 am - 5:48 pmIDA-IAD
7h 48m1 stop
$444Alaska Airlines
Find Deal
Sat, Feb 15 - Thu, Feb 20
10:05 am - 5:09 pmIAD-IDA
9h 04m1 stop
2:28 pm - 11:30 pmIDA-IAD
7h 02m1 stop
$458United Airlines
Find Deal
Wed, Jan 22 - Fri, Jan 24
8:00 am - 9:08 pmDCA-IDA
15h 08m2 stops
5:50 pm - 2:59 pmIDA-DCA
19h 09m1 stop
$480United Airlines
Find Deal
Wed, Jan 22 - Fri, Jan 24
7:15 am - 12:30 pmBWI-IDA
7h 15m1 stop
1:10 pm - 11:34 pmIDA-BWI
8h 24m1 stop
$558Delta
Find Deal
Wed, Jan 22 - Fri, Jan 24
10:00 am - 10:14 pmBWI-IDA
14h 14m2 stops
1:05 pm - 11:43 pmIDA-BWI
8h 38m1 stop
$576Delta
Find Deal
Wed, Apr 23 - Sun, Apr 27
7:00 am - 12:23 pmIAD-IDA
7h 23m1 stop
$389Delta
Find Deal
Wed, Nov 27
1:33 pm - 10:53 pmIAD-IDA
11h 20m2 stops
$394Delta
Find Deal
Wed, Nov 27
8:30 am - 9:14 pmIAD-IDA
14h 44m3 stops
$750United Airlines
Find Deal
Wed, Nov 27
4:09 pm - 9:14 pmBWI-IDA
7h 05m1 stop
9:33 pm - 5:16 amIDA-BWI
5h 43m1 stop
$896United Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 1
6:15 am - 5:18 pmBWI-IDA
13h 03m2 stops
9:33 pm - 5:16 amIDA-BWI
5h 43m1 stop
$901United Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 1
10:05 am - 5:18 pmIAD-IDA
9h 13m1 stop
9:33 pm - 4:30 pmIDA-IAD
16h 57m2 stops
$1,006United Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 1
12:40 pm - 1:31 pmIAD-IDA
26h 51m2 stops
9:33 pm - 4:30 pmIDA-IAD
16h 57m2 stops
$1,027United Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 1
4:00 pm - 9:14 pmIAD-IDA
7h 14m1 stop
5:59 pm - 5:13 amIDA-IAD
9h 14m1 stop
$1,040United Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 1
6:15 am - 1:31 pmBWI-IDA
9h 16m2 stops
5:59 pm - 9:57 amIDA-BWI
13h 58m2 stops
$1,130United Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 1
4:13 pm - 9:14 pmDCA-IDA
7h 01m1 stop
9:33 pm - 1:16 pmIDA-DCA
13h 43m2 stops
$1,306United Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 1
5:40 pm - 11:56 pmDCA-IDA
8h 16m1 stop
6:00 am - 9:59 pmIDA-DCA
13h 59m1 stop
$2,079Alaska Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 1

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

Our best Alaska Airlines deals on Washington, D.C. to Idaho Falls flight tickets
Alaska Airlines
Feb 5
IAD6:57 pmWashington, D.C. Dulles Intl
22h 30m
1 stop
IDA3:27 pmIdaho Falls Fanning Field
Feb 12
IDA8:00 amIdaho Falls Fanning Field
7h 57m
1 stop
IAD5:57 pmWashington, D.C. Dulles Intl
Alaska Airlines
Feb 15
IAD5:18 pmWashington, D.C. Dulles Intl
31h 18m
2 stops
IDA10:36 pmIdaho Falls Fanning Field
Feb 20
IDA8:00 amIdaho Falls Fanning Field
7h 48m
1 stop
IAD5:48 pmWashington, D.C. Dulles Intl
Alaska Airlines
Feb 15
IAD5:18 pmWashington, D.C. Dulles Intl
24h 09m
2 stops
IDA3:27 pmIdaho Falls Fanning Field
Feb 21
IDA8:00 amIdaho Falls Fanning Field
7h 48m
1 stop
IAD5:48 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
Feb 5
DCA6:06 amWashington, D.C. Reagan-National
8h 19m
1 stop
IDA12:25 pmIdaho Falls Fanning Field
Feb 12
IDA12:55 pmIdaho Falls Fanning Field
9h 45m
1 stop
DCA12:40 amWashington, D.C. Reagan-National
American Airlines
Feb 5
DCA6:06 amWashington, D.C. Reagan-National
8h 19m
1 stop
IDA12:25 pmIdaho Falls Fanning Field
Feb 12
IDA5:30 amIdaho Falls Fanning Field
9h 25m
2 stops
DCA4:55 pmWashington, D.C. Reagan-National
American Airlines
Feb 5
DCA9:29 amWashington, D.C. Reagan-National
14h 48m
2 stops
IDA10:17 pmIdaho Falls Fanning Field
Feb 12
IDA5:30 amIdaho Falls Fanning Field
11h 27m
2 stops
DCA6:57 pmWashington, D.C. Reagan-National

See travel insights to Idaho Falls from

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 March

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 10% more expensive in the afternoon than in the evening

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

How have Washington, D.C. to Idaho Falls flight prices changed over time?

What is the typical price of a round-trip flight between Washington, D.C. and Idaho Falls?


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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

$389

Fastest flight time

6h 54m

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 $389. The best round-trip flight deal from Washington, D.C. to Idaho Falls found on momondo in the last 72 hours is $336.
The fastest flight from Washington, D.C. to Idaho Falls takes 6h 54m
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 54m, 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.

  • What is the most popular airline from Washington, D.C. to Idaho Falls?


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 $388Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $425Free CancellationRating
8.0
9,461 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $524Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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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