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District of Columbia

$207+ Cheap flights from Idaho Falls (IDA) to District of Columbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — IAD
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Idaho Falls to District of Columbia

Cheapest flights from Idaho Falls to District of Columbia
Explore the most affordable flight options available from Idaho Falls to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:00 amIDA - IAD
1 stop6h 41mUnited Airlines
Tue 11/258:25 amIAD - IDA
1 stop7h 10mUnited Airlines
Deal found 11/2$513
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:58 amIDA - IAD
1 stop6h 10mUnited Airlines
Sat 1/35:20 pmIAD - IDA
1 stop7h 39mUnited Airlines
Deal found 11/2$515
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:57 pmIDA - DCA
2 stops12h 13mDelta
Thu 11/2010:20 amDCA - IDA
2 stops13h 59mDelta
Deal found 11/1$561
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:58 pmIDA - IAD
1 stop7h 01mAmerican Airlines
Sat 1/39:12 amIAD - IDA
2 stops15h 09mAmerican Airlines
Deal found 11/2$610
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:00 amIDA - IAD
1 stop6h 16mUnited Airlines
Tue 1/134:11 pmIAD - IDA
1 stop7h 03mUnited Airlines
Deal found 11/2$658
This Alaska Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:07 pmIDA - DCA
1 stop26h 52mAlaska Airlines
Sat 1/38:00 amDCA - IDA
1 stop18h 07mAlaska Airlines
Deal found 11/2$718
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:57 pmIDA - IAD
2 stops12h 13mDelta
Tue 11/256:00 amIAD - IDA
2 stops14h 17mDelta
Deal found 11/2$724
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/111:58 pmIDA - IAD
2 stops18h 21mAmerican Airlines
Tue 11/256:44 amIAD - IDA
2 stops17h 50mAmerican Airlines
Deal found 11/2$744
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:00 amIDA - DCA
2 stops13h 42mUnited Airlines
Sat 1/34:17 pmDCA - IDA
1 stop8h 42mUnited Airlines
Deal found 11/2$777
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:10 amIDA - IAD
2 stops10h 10mAmerican Airlines
Sat 1/36:05 amIAD - IDA
1 stop8h 41mAmerican Airlines
Deal found 11/2$789
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:00 amIDA - DCA
2 stops9h 55mDelta
Sat 1/35:11 pmDCA - IDA
1 stop7h 41mDelta
Deal found 11/2$883
This Alaska Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:00 amIDA - DCA
1 stop8h 06mAlaska Airlines
Sat 1/38:00 amDCA - IDA
1 stop18h 07mAlaska Airlines
Deal found 11/2$914

Cheap flight deals from Idaho Falls to District of Columbia

Keep the following information in mind while searching for Idaho Falls to District of Columbia flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$392
(Alaska Airlines)

One-way from

$207
(Alaska Airlines)
Provider with most accurate pricing for Idaho Falls Fanning Field-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Washington, D.C. (WAS) flights.
Search Deals
From Idaho Falls Fanning Field to District of Columbia
Search Deals
One-way flight from Idaho Falls Fanning Field to District of Columbia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to District of Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Idaho Falls to District of Columbia that are best for you.

Fly from

Idaho Falls

Fly to

District of Columbia

Route

Depart

Return

Price

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Fri 3/6

8:00 am-5:55 am

1 stop19h 55m

Washington, D.C. Dulles Intl

Tue 3/10

7:00 am-10:38 pm

1 stop17h 38m

$392

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Fri 3/6

8:00 am-5:55 pm

1 stop7h 55m

Washington, D.C. Dulles Intl

Tue 3/10

7:00 am-3:23 pm

1 stop10h 23m

$408

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Tue 3/10

8:00 am-9:55 pm

1 stop11h 55m

Washington, D.C. Reagan-National

Wed 3/11

8:00 am-10:38 pm

1 stop16h 38m

$472

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Fri 3/6

2:35 pm-11:18 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Tue 3/10

10:23 pm-1:34 pm

2 stops17h 11m

$559

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Sun 11/16

6:57 pm-9:10 am

2 stops12h 13m

Washington, D.C. Reagan-National

Thu 11/20

10:20 am-10:19 pm

2 stops13h 59m

$561

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Fri 3/6

6:45 pm-9:51 am

2 stops13h 06m

Washington, D.C. Dulles Intl

Tue 3/10

10:05 am-10:21 pm

2 stops14h 16m

$598

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Wed 12/3

1:58 pm-10:59 pm

1 stop7h 01m

Washington, D.C. Dulles Intl

Sat 1/3

9:12 am-10:21 pm

2 stops15h 09m

$610

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Tue 3/10

6:00 am-10:56 pm

2 stops14h 56m

Washington, D.C. Reagan-National

Wed 3/11

10:00 am-6:15 pm

2 stops10h 15m

$654

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Fri 12/19

5:00 am-1:16 pm

1 stop6h 16m

Washington, D.C. Dulles Intl

Tue 1/13

4:11 pm-9:14 pm

1 stop7h 03m

$658

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Wed 12/3

5:07 pm-9:59 pm

1 stop26h 52m

Washington, D.C. Reagan-National

Sat 1/3

8:00 am-12:07 am

1 stop18h 07m

$718

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 25 results
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Best time to book a flight from Idaho Falls to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Idaho Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to District of Columbia

What is the cheapest month to book a flight from Idaho Falls to District of Columbia?

Currently, March is the cheapest month in which you can book a flight from Idaho Falls to District of Columbia (average of $219). Flying from Idaho Falls to District of Columbia in June is currently the most expensive (average of $547). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IDA to DC?

Find hourly flight availability from Idaho Falls to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 21% on flights from Idaho Falls to District of Columbia by exploring options for tickets at noon.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated November 3, 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from Idaho Falls to District of Columbia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,997 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,997 reviews
United Airlines
7.4
Good
8,997 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,034 reviews
United Airlines
7.4
Good
8,997 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Idaho Falls to District of Columbia?

    For a flight from Idaho Falls to District of Columbia, you will be flying from Fanning Field. Idaho Falls Fanning Field (IDA) is just 3.8 mi from the center of the city.

  • How long is the flight from Idaho Falls to District of Columbia?

    For as low as $559, Alaska Airlines can have you in District of Columbia from Idaho Falls in 6h 43m. Airlines will cover a distance of 1811 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Idaho Falls to District of Columbia one-way?

    The cheapest airlines for a one-way flight from Idaho Falls to District of Columbia are Alaska Airlines ($207), United Airlines ($208), and American Airlines ($213).

  • Can I find deals for flights from Idaho Falls to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to District of Columbia?

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

  • Can I find deals for business class flights from Idaho Falls to District of Columbia?

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

  • What is the cheapest month to book a flight from Idaho Falls to District of Columbia?

    Currently, March is the cheapest month in which you can book a flight from Idaho Falls to District of Columbia (average of $219). Flying from Idaho Falls to District of Columbia in June is currently the most expensive (average of $547). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 2 airlines flying from Idaho Falls to District of Columbia

Discover the top 2 airlines that operate flights from Idaho Falls to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$394Average$643FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$437Average$607FlexibilityNo cancel feeOn-time71%

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