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Cheap flights from Washington, D.C. to Idaho Falls from $379

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:00 am - 12:22 pmBWI  Baltimore/Washington-IDA Idaho Falls Fanning Field
7h 22m1 stop Salt Lake City
Delta Logo
6:56 pm - 5:45 amIDA  Idaho Falls Fanning Field-BWI Baltimore/Washington
8h 49m1 stop Salt Lake City
$379Delta
Fri, Oct 16 - Mon, Oct 19
American Airlines Logo
6:00 am - 1:20 pmDCA  Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field
9h 20m1 stop Chicago O'Hare Intl
American Airlines Logo
1:39 pm - 11:59 pmIDA  Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National
8h 20m1 stop Dallas/Fort Worth
$399American Airlines
Fri, Oct 23 - Tue, Oct 27
American Airlines Logo
6:00 am - 1:20 pmDCA  Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field
9h 20m1 stop Chicago O'Hare Intl
American Airlines Logo
1:50 pm - 11:59 pmIDA  Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National
8h 09m1 stop Chicago O'Hare Intl
$399American Airlines
Fri, Oct 23 - Tue, Oct 27
Delta Logo
7:15 am - 12:27 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
7h 12m1 stop Salt Lake City
Delta Logo
1:10 pm - 11:46 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
8h 36m1 stop Salt Lake City
$399Delta
Thu, Feb 4 - Mon, Feb 8
Multiple Airlines Logo
6:00 am - 2:39 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
10h 39m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
7:30 pm - 6:20 amIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
8h 50m1 stop Las Vegas Harry Reid Intl
$401Multiple Airlines
Mon, Oct 19 - Mon, Oct 26
Alaska Airlines Logo
6:15 pm - 3:20 pmBWI  Baltimore/Washington-IDA Idaho Falls Fanning Field
23h 05m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:58 pm - 5:20 amIDA  Idaho Falls Fanning Field-BWI Baltimore/Washington
13h 22m1 stop Seattle/Tacoma Intl
$409Alaska Airlines
Fri, Oct 23 - Tue, Oct 27
United Airlines Logo
2:25 pm - 9:19 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
8h 54m1 stop Denver Intl
United Airlines Logo
2:35 pm - 11:13 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
6h 38m1 stop Denver Intl
$418United Airlines
Thu, Dec 24 - Wed, Jan 6
United Airlines Logo
2:25 pm - 9:19 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
8h 54m1 stop Denver Intl
United Airlines Logo
2:35 pm - 11:13 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
6h 38m1 stop Denver Intl
$418United Airlines
Thu, Dec 24 - Wed, Jan 6
Alaska Airlines Logo
5:33 pm - 3:20 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
23h 47m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:09 am - 4:30 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
8h 21m1 stop Seattle/Tacoma Intl
$429Alaska Airlines
Fri, Oct 23 - Tue, Oct 27
American Airlines Logo
6:00 am - 1:20 pmDCA  Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field
9h 20m1 stop Chicago O'Hare Intl
American Airlines Logo
6:37 am - 6:48 pmIDA  Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National
10h 11m2 stops Dallas/Fort Worth New York LaGuardia
$449American Airlines
Fri, Oct 23 - Tue, Oct 27

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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
Oct 23
DCA6:00 amWashington, D.C. Reagan-National
9h 20m
1 stop
IDA1:20 pmIdaho Falls Fanning Field
Oct 27
IDA1:50 pmIdaho Falls Fanning Field
8h 09m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$399
American Airlines
Oct 23
DCA6:00 amWashington, D.C. Reagan-National
9h 20m
1 stop
IDA1:20 pmIdaho Falls Fanning Field
Oct 27
IDA6:37 amIdaho Falls Fanning Field
10h 11m
2 stops
DCA6:48 pmWashington, D.C. Reagan-National
$449
American Airlines
Oct 23
BWI7:17 amBaltimore/Washington
8h 03m
1 stop
IDA1:20 pmIdaho Falls Fanning Field
Oct 27
IDA1:39 pmIdaho Falls Fanning Field
7h 15m
1 stop
BWI10:54 pmBaltimore/Washington
$458

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
Oct 23
BWI6:15 pmBaltimore/Washington
23h 05m
1 stop
IDA3:20 pmIdaho Falls Fanning Field
Oct 27
IDA1:58 pmIdaho Falls Fanning Field
13h 22m
1 stop
BWI5:20 amBaltimore/Washington
$409
Alaska Airlines
Oct 23
BWI6:15 pmBaltimore/Washington
23h 05m
1 stop
IDA3:20 pmIdaho Falls Fanning Field
Oct 27
IDA6:09 amIdaho Falls Fanning Field
9h 03m
1 stop
BWI5:12 pmBaltimore/Washington
$439
Alaska Airlines
Oct 20
IAD7:02 amWashington, D.C. Dulles Intl
10h 18m
1 stop
IDA3:20 pmIdaho Falls Fanning Field
Oct 23
IDA1:58 pmIdaho Falls Fanning Field
8h 01m
1 stop
IAD11:59 pmWashington, D.C. Dulles Intl
$459

momondo Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreIdaho Falls

BWI Baltimore/Washington - IDA Idaho Falls Fanning Field

BWIIDA

Baltimore/Washington

Fri 10/16

7:00 am-12:22 pm

1 stop7h 22m

Idaho Falls Fanning Field

Mon 10/19

6:56 pm-5:45 am

1 stop8h 49m

$379

Washington, D.C.Idaho Falls

DCA Washington, D.C. Reagan-National - IDA Idaho Falls Fanning Field

DCAIDA

Washington, D.C. Reagan-National

Fri 10/23

6:00 am-1:20 pm

1 stop9h 20m

Idaho Falls Fanning Field

Tue 10/27

1:39 pm-11:59 pm

1 stop8h 20m

$399

Washington, D.C.Idaho Falls

DCA Washington, D.C. Reagan-National - IDA Idaho Falls Fanning Field

DCAIDA

Washington, D.C. Reagan-National

Fri 10/23

6:00 am-1:20 pm

1 stop9h 20m

Idaho Falls Fanning Field

Tue 10/27

1:50 pm-11:59 pm

1 stop8h 09m

$399

Washington, D.C.Idaho Falls

IAD Washington, D.C. Dulles Intl - IDA Idaho Falls Fanning Field

IADIDA

Washington, D.C. Dulles Intl

Thu 2/4

7:15 am-12:27 pm

1 stop7h 12m

Idaho Falls Fanning Field

Mon 2/8

1:10 pm-11:46 pm

1 stop8h 36m

$399

Washington, D.C.Idaho Falls

IAD Washington, D.C. Dulles Intl - IDA Idaho Falls Fanning Field

IADIDA

Washington, D.C. Dulles Intl

Mon 10/19

6:00 am-2:39 pm

1 stop10h 39m

Idaho Falls Fanning Field

Mon 10/26

7:30 pm-6:20 am

1 stop8h 50m

$401

BaltimoreIdaho Falls

BWI Baltimore/Washington - IDA Idaho Falls Fanning Field

BWIIDA

Baltimore/Washington

Fri 10/23

6:15 pm-3:20 pm

1 stop23h 05m

Idaho Falls Fanning Field

Tue 10/27

1:58 pm-5:20 am

1 stop13h 22m

$409
Quickest round-trip

Washington, D.C.Idaho Falls

IAD Washington, D.C. Dulles Intl - IDA Idaho Falls Fanning Field

IADIDA

Washington, D.C. Dulles Intl

Thu 12/24

2:25 pm-9:19 pm

1 stop8h 54m

Idaho Falls Fanning Field

Wed 1/6

2:35 pm-11:13 pm

1 stop6h 38m

$418

Washington, D.C.Idaho Falls

IAD Washington, D.C. Dulles Intl - IDA Idaho Falls Fanning Field

IADIDA

Washington, D.C. Dulles Intl

Thu 12/24

2:25 pm-9:19 pm

1 stop8h 54m

Idaho Falls Fanning Field

Wed 1/6

2:35 pm-11:13 pm

1 stop6h 38m

$418

Washington, D.C.Idaho Falls

IAD Washington, D.C. Dulles Intl - IDA Idaho Falls Fanning Field

IADIDA

Washington, D.C. Dulles Intl

Fri 10/23

5:33 pm-3:20 pm

1 stop23h 47m

Idaho Falls Fanning Field

Tue 10/27

6:09 am-4:30 pm

1 stop8h 21m

$429

Washington, D.C.Idaho Falls

DCA Washington, D.C. Reagan-National - IDA Idaho Falls Fanning Field

DCAIDA

Washington, D.C. Reagan-National

Fri 10/23

6:00 am-1:20 pm

1 stop9h 20m

Idaho Falls Fanning Field

Tue 10/27

6:37 am-6:48 pm

2 stops10h 11m

$449

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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 to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of December, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $0.

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

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

What cabin class options are available on Washington, D.C. to Idaho Falls flights?

There is only 1 cabin class available to choose from on Washington, D.C. to Idaho Falls flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. to Idaho Falls flights?

You could potentially save up to 22% on your flight if you consider stops on a Washington, D.C. to Idaho Falls flight.

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

$395

Fastest flight time

6h 36m

Direct flights

None
The best one-way flight to Idaho Falls from Washington, D.C. in the past 72 hours is $395. The best round-trip flight deal from Washington, D.C. to Idaho Falls found on momondo in the last 72 hours is $379.
The fastest flight from Washington, D.C. to Idaho Falls takes 6h 36m
There are no direct flights from Washington, D.C. to Idaho Falls. There are no popular flight routes from Washington, D.C. to Idaho Falls.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Idaho Falls

  • 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 36m, 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 plane model from Washington, D.C. to Idaho Falls?

  • 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 $274Free CancellationRating
7.4
10,222 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $433Free CancellationRating
7.9
12,953 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $448Free CancellationRating
7.0
12,082 reviews
Search American Airlines flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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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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