Washington, D.C.

$235+ Cheap flights from Idaho Falls (IDA) to Washington, D.C. (WAS)

IDA — WAS
Dec 3 — Dec 101
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1. Tell us where you want to go

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Cheap flight deals from Idaho Falls to Washington, D.C.

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

Mon 12/72:40 pm -
1 stop6h 35m
Wed 12/98:20 am -
1 stop7h 17m
Deal found 11/2$399
Wed 12/26:59 pm -
2 stops12h 17m
Tue 12/87:00 am -
1 stop7h 17m
Deal found 10/31$404
Thu 12/246:00 am -
1 stop8h 28m
Fri 12/257:05 am -
1 stop10h 13m
Deal found 10/31$429
Mon 12/76:59 pm -
2 stops12h 16m
Wed 12/99:45 am -
2 stops10h 32m
Deal found 11/2$439
Thu 12/246:00 am -
1 stop8h 06m
Fri 12/258:00 am -
1 stop9h 18m
Deal found 10/31$459
Wed 12/166:59 pm -
2 stops14h 50m
Thu 12/317:00 am -
1 stop7h 28m
Deal found 11/1$464
Mon 12/76:59 pm -
2 stops14h 50m
Wed 12/910:11 am -
2 stops13h 56m
Deal found 11/2$469
Wed 12/26:59 pm -
2 stops12h 16m
Tue 12/86:00 am -
2 stops14h 17m
Deal found 10/31$469
Tue 11/176:00 am -
2 stops9h 59m
Sat 11/215:50 pm -
1 stop6h 32m
Deal found 11/2$509
Mon 11/93:55 pm -
1 stop22h 16m
Thu 11/128:00 am -
1 stop9h 18m
Deal found 10/30$514
Tue 11/31:53 pm -
1 stop13h 51m
Mon 11/167:46 am -
1 stop9h 32m
Deal found 10/29$518
Thu 12/176:00 am -
1 stop8h 28m
Wed 1/65:30 pm -
1 stop23h 51m
Deal found 11/1$519

Find flight deals from Idaho Falls to Washington, D.C.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$399
(United Airlines)

One-way from

$235
(Delta)
Provider with most accurate pricing for Idaho Falls Fanning Field-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Washington, D.C. (WAS) flights.
From Idaho Falls Fanning Field to Washington, D.C. (WAS)
One-way flight from Idaho Falls Fanning Field to Washington, D.C. (WAS)

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsWashington, D.C.

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

IDADCA

Idaho Falls Fanning Field

Wed 12/16

6:59 pm-10:05 am

2 stops13h 06m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$235

Idaho FallsWashington, D.C.

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

IDAIAD

Idaho Falls Fanning Field

Fri 11/27

7:06 pm-5:10 am

1 stop8h 04m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$250

Idaho FallsWashington, D.C.

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

IDADCA

Idaho Falls Fanning Field

Sun 11/8

3:55 pm-4:11 pm

1 stop22h 16m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$314

Idaho FallsWashington, D.C.

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

IDADCA

Idaho Falls Fanning Field

Thu 12/17

6:00 am-8:00 pm

2 stops12h 00m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$367

Idaho FallsWashington, D.C.

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

IDAIAD

Idaho Falls Fanning Field

Sat 3/20

7:00 am-5:57 pm

1 stop8h 57m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$389

Idaho FallsWashington, D.C.

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

IDAIAD

Idaho Falls Fanning Field

Tue 1/12

7:00 am-3:46 pm

1 stop6h 46m

Washington, D.C. Dulles Intl

Sat 1/16

4:15 pm-9:10 pm

1 stop6h 55m

$399

Idaho FallsWashington, D.C.

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

IDAIAD

Idaho Falls Fanning Field

Fri 11/27

6:44 am-10:01 pm

2 stops13h 17m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$400

Idaho FallsWashington, D.C.

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

IDAIAD

Idaho Falls Fanning Field

Wed 12/2

6:59 pm-9:16 am

2 stops12h 17m

Washington, D.C. Dulles Intl

Tue 12/8

7:00 am-12:17 pm

1 stop7h 17m

$404

Idaho FallsWashington, D.C.

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

IDADCA

Idaho Falls Fanning Field

Tue 1/12

5:25 am-6:17 pm

2 stops10h 52m

Washington, D.C. Reagan-National

Sat 1/16

5:16 pm-10:25 pm

1 stop7h 09m

$404
Quickest round-trip

Idaho FallsWashington, D.C.

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

IDADCA

Idaho Falls Fanning Field

Sat 3/20

7:00 am-3:03 pm

1 stop6h 03m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 27 resultsSorted by cheapest first
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Compare providers for flights from Idaho Falls to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Washington, D.C. in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Idaho Falls-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Idaho Falls to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Idaho Falls with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to Washington, D.C.

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with Delta and United Airlines from Idaho Falls to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Related info for your journey

  • What airport do you fly from for flights from Idaho Falls to Washington, D.C.?

    Located just 3.8 mi from the city center, Idaho Falls Fanning Field is the airport most travelers will use when flying to Washington, D.C. from Idaho Falls. Booking flights from Fanning Field (IDA) to Washington, D.C. should be relatively easy as there are 0 daily outbound flights to Washington, D.C. from 2 different airlines.

  • How long is the flight from Idaho Falls to Washington, D.C.?

    United Airlines, Delta, and Alaska Airlines can get you from Idaho Falls to Washington, D.C. in just under 6h 46m. Your travel time can differ by up to 5h 31m. The distance between Idaho Falls and Washington, D.C. is about 1811 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Idaho Falls to Washington, D.C. round-trip?

    American Airlines, at $358, was found to be the cheapest airline from Idaho Falls to Washington, D.C...

  • What are the most popular routes from Idaho Falls to Washington, D.C.?

  • Can I find deals for flights from Idaho Falls to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Washington, D.C..

  • Can I find deals for business class flights from Idaho Falls to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Idaho Falls to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Arlington
Lanham
Reston
Herndon
Hyattsville
Springfield
Fredericksburg
Falls Church
Towson
Silver Spring
Rockville
Oxon Hill
Laurel
Clinton
Hunt Valley
Owings Mills
Waldorf
Colonial Beach

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Idaho Falls to Washington, D.C.

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$358Average$821FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$509Average$581FlexibilityNo cancel feeOn-time69%

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