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District of Columbia

$180+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — IAD
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/28. 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.
Tue 10/276:15 am
IDA
-
IAD
1 stop9h 01m
Alaska Airlines
Thu 10/296:30 am
IAD
-
IDA
1 stop10h 59m
Alaska Airlines
Deal found 1/28$309
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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.
Tue 10/276:15 am
IDA
-
DCA
1 stop7h 53m
Alaska Airlines
Sat 10/318:00 am
DCA
-
IDA
1 stop9h 29m
Alaska Airlines
Deal found 1/28$349
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 2/255:20 pm
IDA
-
IAD
1 stop22h 00m
Alaska Airlines
Mon 3/26:27 pm
IAD
-
IDA
1 stop24h 16m
Alaska Airlines
Deal found 1/28$383
This United Airlines deal was found by Cheapflights users on 1/28. 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 7/12:35 pm
IDA
-
IAD
1 stop7h 57m
United Airlines
Wed 7/85:15 pm
IAD
-
IDA
1 stop7h 38m
United Airlines
Deal found 1/28$397
This American Airlines deal was found by Cheapflights users on 1/27. 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 8/261:00 pm
IDA
-
IAD
1 stop7h 44m
American Airlines
Sun 9/66:27 am
IAD
-
IDA
1 stop7h 49m
American Airlines
Deal found 1/27$399
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 2/255:20 pm
IDA
-
DCA
1 stop26h 39m
Alaska Airlines
Mon 3/25:00 pm
DCA
-
IDA
1 stop25h 43m
Alaska Airlines
Deal found 1/28$408
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 4/84:59 pm
IDA
-
IAD
1 stop10h 41m
Alaska Airlines
Tue 4/147:00 am
IAD
-
IDA
1 stop11h 19m
Alaska Airlines
Deal found 1/27$415
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/174:59 pm
IDA
-
IAD
1 stop10h 41m
Alaska Airlines
Sun 4/266:47 pm
IAD
-
IDA
2 stops29h 53m
Alaska Airlines
Deal found 1/27$421
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Thu 4/231:43 pm
IDA
-
IAD
1 stop7h 45m
American Airlines
Tue 4/287:00 am
IAD
-
IDA
1 stop8h 13m
American Airlines
Deal found 1/28$431
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/32:07 pm
IDA
-
DCA
1 stop6h 53m
American Airlines
Sat 2/71:44 pm
DCA
-
IDA
2 stops10h 52m
American Airlines
Deal found 1/27$454
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 8/264:03 pm
IDA
-
IAD
1 stop13h 25m
Alaska Airlines
Sun 9/65:25 pm
IAD
-
IDA
2 stops31h 14m
Alaska Airlines
Deal found 1/27$456
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 4/84:59 pm
IDA
-
IAD
1 stop10h 41m
Alaska Airlines
Wed 4/157:00 am
IAD
-
IDA
1 stop11h 19m
Alaska Airlines
Deal found 1/27$460

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$383
(Alaska Airlines)

One-way from

$180
(United 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 January 29, 2026.
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

Wed 2/25

5:20 pm-5:20 pm

1 stop22h 00m

Washington, D.C. Dulles Intl

Mon 3/2

6:27 pm-4:43 pm

1 stop24h 16m

$383

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Wed 7/1

2:35 pm-12:32 am

1 stop7h 57m

Washington, D.C. Dulles Intl

Wed 7/8

5:15 pm-10:53 pm

1 stop7h 38m

$397

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Wed 4/8

4:59 pm-5:40 am

1 stop10h 41m

Washington, D.C. Dulles Intl

Tue 4/14

7:00 am-4:19 pm

1 stop11h 19m

$415

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Fri 4/17

4:59 pm-5:40 am

1 stop10h 41m

Washington, D.C. Dulles Intl

Sun 4/26

7:20 pm-3:29 pm

1 stop22h 09m

$415

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Thu 4/23

1:43 pm-11:28 pm

1 stop7h 45m

Washington, D.C. Dulles Intl

Tue 4/28

7:00 am-1:13 pm

1 stop8h 13m

$431

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Wed 4/8

4:59 pm-5:40 am

1 stop10h 41m

Washington, D.C. Dulles Intl

Wed 4/15

7:00 am-4:19 pm

1 stop11h 19m

$460

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Mon 3/2

5:20 pm-5:40 am

1 stop10h 20m

Washington, D.C. Dulles Intl

Fri 3/6

7:05 am-4:43 pm

1 stop11h 38m

$499

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Sun 2/22

8:00 am-5:40 am

1 stop19h 40m

Washington, D.C. Dulles Intl

Wed 2/25

7:05 am-4:43 pm

1 stop11h 38m

$511

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Thu 4/23

4:06 pm-9:59 pm

1 stop27h 53m

Washington, D.C. Reagan-National

Tue 4/28

8:00 am-10:40 pm

1 stop16h 40m

$513

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Fri 2/13

1:10 pm-11:46 pm

1 stop8h 36m

Washington, D.C. Dulles Intl

Tue 2/17

12:38 pm-10:21 pm

2 stops11h 43m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 29 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 $160). Flying from Idaho Falls to District of Columbia in July is currently the most expensive (average of $522). 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.

How much does it cost to fly round-trip from Idaho Falls to District of Columbia?

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 January 29, 2026.
Read reviews from past customers who have flown Delta, 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.
Delta
7.9
Good
8,128 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,128 reviews
Delta
7.9
Good
8,128 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,128 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,205 reviews
Delta
7.9
Good
8,128 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 $397, Alaska Airlines can have you in District of Columbia from Idaho Falls in 7h 57m. Airlines will cover a distance of 1811 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $160). Flying from Idaho Falls to District of Columbia in July is currently the most expensive (average of $522). 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.

See more FAQs

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Alternative routes for Idaho Falls to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Idaho Falls to District of Columbia

Discover the top 3 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$194Average$552FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$394Average$625FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$437Average$641FlexibilityNo cancel feeOn-time71%

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