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Cheap flights from Washington, D.C. to Idaho Falls from $205

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.
American Airlines Logo
3:31 pm - 9:49 pmDCA  Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field
8h 18m1 stop Dallas/Fort Worth
American Airlines Logo
1:41 pm - 12:01 amIDA  Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National
8h 20m1 stop Dallas/Fort Worth
$409American Airlines
Sat, Dec 5 - Sat, Dec 12
American Airlines Logo
3:30 pm - 9:49 pmDCA  Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field
8h 19m1 stop Dallas/Fort Worth
American Airlines Logo
1:42 pm - 11:00 pmIDA  Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National
7h 18m1 stop Dallas/Fort Worth
$409American Airlines
Tue, Jan 12 - Sat, Jan 16
United Airlines Logo
4:15 pm - 9:10 pmDCA  Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field
6h 55m1 stop Denver Intl
United Airlines Logo
7:00 am - 2:55 pmIDA  Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National
5h 55m1 stop Denver Intl
$409United Airlines
Sat, Jan 30 - Fri, Feb 5
United Airlines Logo
8:15 am - 1:28 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
7h 13m1 stop Denver Intl
United Airlines Logo
2:30 pm - 11:26 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
6h 56m1 stop Denver Intl
$409United Airlines
Sat, Jan 30 - Fri, Feb 5
United Airlines Logo
2:11 pm - 9:10 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
8h 59m1 stop Denver Intl
United Airlines Logo
7:00 am - 5:10 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
8h 10m1 stop Denver Intl
$409United Airlines
Fri, Jan 29 - Tue, Feb 2
American Airlines Logo
1:44 pm - 9:49 pmDCA  Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field
10h 05m1 stop Dallas/Fort Worth
American Airlines Logo
1:41 pm - 10:46 pmIDA  Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National
7h 05m1 stop Dallas/Fort Worth
$409American Airlines
Thu, Dec 3 - Fri, Dec 4
American Airlines Logo
7:00 am - 1:12 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
8h 12m1 stop Dallas/Fort Worth
American Airlines Logo
6:26 am - 4:18 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
7h 52m1 stop Dallas/Fort Worth
$409American Airlines
Mon, Jan 11 - Sat, Jan 16
Alaska Airlines Logo
7:00 am - 3:07 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
10h 07m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
8:00 am - 4:27 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
30h 27m1 stop Seattle/Tacoma Intl
$576Alaska Airlines
Fri, Dec 11 - Tue, Jan 5
Alaska Airlines Logo
7:00 am - 3:07 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
10h 07m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:58 pm - 4:27 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
22h 29m2 stops Portland Seattle/Tacoma Intl
$601Alaska Airlines
Fri, Dec 11 - Tue, Jan 5
Alaska Airlines Logo
7:05 am - 1:15 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
32h 10m2 stops Seattle/Tacoma Intl Portland
Alaska Airlines Logo
3:55 pm - 5:45 amIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
11h 50m2 stops Portland Seattle/Tacoma Intl
$807Alaska Airlines
Thu, Dec 17 - Tue, Dec 22

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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
Jan 30
DCA10:59 amWashington, D.C. Reagan-National
13h 53m
2 stops
IDA10:52 pmIdaho Falls Fanning Field
Feb 5
IDA8:00 amIdaho Falls Fanning Field
11h 59m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$563
Alaska Airlines
Dec 11
IAD7:00 amWashington, D.C. Dulles Intl
10h 07m
1 stop
IDA3:07 pmIdaho Falls Fanning Field
Jan 5
IDA8:00 amIdaho Falls Fanning Field
30h 27m
1 stop
IAD4:27 pmWashington, D.C. Dulles Intl
$576
Alaska Airlines
Jan 1
DCA8:00 amWashington, D.C. Reagan-National
9h 18m
1 stop
IDA3:18 pmIdaho Falls Fanning Field
Jan 5
IDA3:58 pmIdaho Falls Fanning Field
22h 02m
1 stop
DCA4:00 pmWashington, D.C. Reagan-National
$589

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
Dec 5
DCA6:05 amWashington, D.C. Reagan-National
11h 24m
2 stops
IDA3:29 pmIdaho Falls Fanning Field
Dec 12
IDA6:35 amIdaho Falls Fanning Field
6h 21m
1 stop
DCA2:56 pmWashington, D.C. Reagan-National
$414
United Airlines
Feb 14
DCA4:08 pmWashington, D.C. Reagan-National
7h 27m
1 stop
IDA9:35 pmIdaho Falls Fanning Field
Feb 18
IDA7:00 amIdaho Falls Fanning Field
5h 54m
1 stop
DCA2:54 pmWashington, D.C. Reagan-National
$420
United Airlines
Dec 9
IAD8:20 amWashington, D.C. Dulles Intl
7h 17m
1 stop
IDA1:37 pmIdaho Falls Fanning Field
Dec 16
IDA4:10 pmIdaho Falls Fanning Field
6h 41m
1 stop
IAD12:51 amWashington, D.C. Dulles Intl
$451

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

Washington, D.C.Idaho Falls

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

DCAIDA

Washington, D.C. Reagan-National

Sat 12/5

3:31 pm-9:49 pm

1 stop8h 18m

Idaho Falls Fanning Field

Sat 12/12

1:41 pm-12:01 am

1 stop8h 20m

$409

Washington, D.C.Idaho Falls

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

DCAIDA

Washington, D.C. Reagan-National

Tue 1/12

3:30 pm-9:49 pm

1 stop8h 19m

Idaho Falls Fanning Field

Sat 1/16

1:42 pm-11:00 pm

1 stop7h 18m

$409
Quickest round-trip

Washington, D.C.Idaho Falls

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

DCAIDA

Washington, D.C. Reagan-National

Sat 1/30

4:15 pm-9:10 pm

1 stop6h 55m

Idaho Falls Fanning Field

Fri 2/5

7:00 am-2:55 pm

1 stop5h 55m

$409

Washington, D.C.Idaho Falls

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

IADIDA

Washington, D.C. Dulles Intl

Sat 1/30

8:15 am-1:28 pm

1 stop7h 13m

Idaho Falls Fanning Field

Fri 2/5

2:30 pm-11:26 pm

1 stop6h 56m

$409

Washington, D.C.Idaho Falls

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

IADIDA

Washington, D.C. Dulles Intl

Fri 1/29

2:11 pm-9:10 pm

1 stop8h 59m

Idaho Falls Fanning Field

Tue 2/2

7:00 am-5:10 pm

1 stop8h 10m

$409

Washington, D.C.Idaho Falls

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

DCAIDA

Washington, D.C. Reagan-National

Thu 12/3

1:44 pm-9:49 pm

1 stop10h 05m

Idaho Falls Fanning Field

Fri 12/4

1:41 pm-10:46 pm

1 stop7h 05m

$409

Washington, D.C.Idaho Falls

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

IADIDA

Washington, D.C. Dulles Intl

Mon 1/11

7:00 am-1:12 pm

1 stop8h 12m

Idaho Falls Fanning Field

Sat 1/16

6:26 am-4:18 pm

1 stop7h 52m

$409

Washington, D.C.Idaho Falls

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

IADIDA

Washington, D.C. Dulles Intl

Fri 12/11

7:00 am-3:07 pm

1 stop10h 07m

Idaho Falls Fanning Field

Tue 1/5

8:00 am-4:27 pm

1 stop30h 27m

$576

Washington, D.C.Idaho Falls

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

IADIDA

Washington, D.C. Dulles Intl

Fri 12/11

7:00 am-3:07 pm

1 stop10h 07m

Idaho Falls Fanning Field

Tue 1/5

3:58 pm-4:27 pm

2 stops22h 29m

$601

Washington, D.C.Idaho Falls

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

IADIDA

Washington, D.C. Dulles Intl

Thu 12/17

7:05 am-1:15 pm

2 stops32h 10m

Idaho Falls Fanning Field

Tue 12/22

3:55 pm-5:45 am

2 stops11h 50m

$807

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $388.

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 27% on your flight if you consider stops on a Washington, D.C. to Idaho Falls flight.

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

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

$205

Fastest flight time

7h 00m

Direct flights

None
The best one-way flight to Idaho Falls from Washington, D.C. in the past 72 hours is $205. The best round-trip flight deal from Washington, D.C. to Idaho Falls found on momondo in the last 72 hours is $409.
The fastest flight from Washington, D.C. to Idaho Falls takes 7h 00m
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 7h 00m, 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
7.3
10,477 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $433Free CancellationRating
7.9
13,159 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $448Free CancellationRating
7.0
12,226 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

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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