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Reagan-National

$180+ Cheap flights from Idaho Falls (IDA) to Reagan-National (DCA)

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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — DCA
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from Idaho Falls to Reagan-National

Cheapest flights from Idaho Falls to Reagan-National
Explore the most affordable flight options available from Idaho Falls to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/2. 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.
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 2/2$349
This American Airlines deal was found by Cheapflights users on 2/2. 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 9/91:44 pm
IDA
-
DCA
1 stop7h 39m
American Airlines
Wed 9/166:45 am
DCA
-
IDA
1 stop7h 28m
American Airlines
Deal found 2/2$379
This Expedia deal was found by Cheapflights users on 2/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:20 pm
IDA
-
DCA
1 stop20h 46m
Alaska Airlines
Mon 3/26:59 pm
DCA
-
IDA
2 stops23h 44m
Alaska Airlines
Deal found 2/1$385
This American Airlines deal was found by Cheapflights users on 2/3. 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 8/211:00 pm
IDA
-
DCA
1 stop9h 51m
American Airlines
Mon 8/246:59 am
DCA
-
IDA
1 stop7h 11m
American Airlines
Deal found 2/3$404
This American Airlines deal was found by Cheapflights users on 2/2. 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 4/81:43 pm
IDA
-
DCA
1 stop8h 16m
American Airlines
Tue 4/146:57 am
DCA
-
IDA
1 stop8h 16m
American Airlines
Deal found 2/2$431
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 5/66:00 am
IDA
-
DCA
1 stop13h 59m
Alaska Airlines
Tue 5/128:00 am
DCA
-
IDA
1 stop16h 40m
Alaska Airlines
Deal found 2/2$443
This United Airlines deal was found by Cheapflights users on 2/2. 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 10/275:57 pm
IDA
-
DCA
3 stops15h 48m
United Airlines
Sat 10/314:07 pm
DCA
-
IDA
1 stop8h 46m
United Airlines
Deal found 2/2$463
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 4/224:06 pm
IDA
-
DCA
1 stop27h 53m
Alaska Airlines
Tue 4/288:00 am
DCA
-
IDA
1 stop16h 40m
Alaska Airlines
Deal found 2/2$503

Find flight deals from Idaho Falls to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$385
(Expedia)

One-way from

$180
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$417
Provider with most accurate pricing for Idaho Falls Fanning Field-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Washington, D.C. Reagan-National flights.
Search Deals
From Idaho Falls Fanning Field to Washington, D.C. Reagan-National
Search Deals
One-way flight from Idaho Falls Fanning Field to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($214 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Reagan-National 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 February 4, 2026.
Use the filters below to find and compare flights from Idaho Falls to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Idaho Falls

Fly to

Reagan-National

Route

Depart

Return

Price

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Wed 4/8

1:43 pm-11:59 pm

1 stop8h 16m

Washington, D.C. Reagan-National

Tue 4/14

1:45 pm-11:39 pm

2 stops11h 54m

$436

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Wed 5/6

6:00 am-9:59 pm

1 stop13h 59m

Washington, D.C. Reagan-National

Tue 5/12

8:00 am-10:40 pm

1 stop16h 40m

$443

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Wed 5/6

6:58 pm-11:24 pm

2 stops26h 26m

Washington, D.C. Reagan-National

Tue 5/12

5:59 pm-10:42 pm

1 stop6h 43m

$443

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Wed 2/25

5:20 pm-4:06 pm

1 stop20h 46m

Washington, D.C. Reagan-National

Mon 3/2

5:00 pm-11:36 pm

1 stop8h 36m

$443

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Tue 2/17

6:35 pm-10:26 am

2 stops13h 51m

Washington, D.C. Reagan-National

Sat 2/21

5:10 pm-10:21 pm

1 stop7h 11m

$504

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Wed 2/25

5:20 pm-4:06 pm

1 stop20h 46m

Washington, D.C. Reagan-National

Sun 3/1

5:00 pm-11:36 pm

1 stop8h 36m

$523

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Fri 5/22

4:08 pm-9:59 pm

2 stops27h 51m

Washington, D.C. Reagan-National

Mon 6/1

5:19 pm-1:06 pm

1 stop21h 47m

$526

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Wed 4/8

6:55 pm-10:20 am

2 stops13h 25m

Washington, D.C. Reagan-National

Mon 4/13

7:56 pm-10:40 pm

2 stops28h 44m

$554

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Mon 4/27

4:06 pm-9:59 pm

1 stop27h 53m

Washington, D.C. Reagan-National

Fri 5/1

8:59 am-3:29 pm

2 stops32h 30m

$561

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Mon 3/16

10:13 pm-1:02 pm

2 stops12h 49m

$180

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 19 results
1
2

Compare providers for flights from Idaho Falls to Reagan-National

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Reagan-National in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 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. Reagan-National Airport 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. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Washington, D.C. Reagan-National Airport 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. Reagan-National Airport 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 Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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.

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated February 4, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Idaho Falls to Washington, D.C. Reagan-National Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,138 reviews

Comfort

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

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
8,138 reviews
Delta
7.9
Good
8,138 reviews

Comfort

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

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
9,236 reviews
Delta
7.9
Good
8,138 reviews

Comfort

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

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
11,216 reviews
Delta
7.9
Good
8,138 reviews

Comfort

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

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 Reagan-National. 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 Washington, D.C. Reagan-National?

    Idaho Falls Fanning Field (IDA) is the airport you will fly out of if you book a flight from Idaho Falls to Washington, D.C. Reagan-National. You should not have trouble finding flights to Washington, D.C. Reagan-National from Fanning Field; the airport handles an average of 0 outbound flights to Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Idaho Falls airport to Washington, D.C. Reagan-National. It is only a 3.8 mi journey to Fanning Field (IDA) from Idaho Falls’s city center.

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

    Airlines like American Airlines, Alaska Airlines, and Delta fly from Idaho Falls to Washington, D.C. Reagan-National Airport in about 8h 16m. The time it takes to get you to your destination can typically vary by up to 18h 10m. The distance from Idaho Falls to Washington, D.C. Reagan-National Airport is about 1835 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Idaho Falls to Washington, D.C. Reagan-National Airport round-trip?

    According to our current data, Delta ($194), United Airlines ($394), and American Airlines ($437) offers the cheapest pricing from Idaho Falls to Washington, D.C. Reagan-National Airport.

  • Can I find deals for flights from Idaho Falls to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to Reagan-National?

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

  • Can I find deals for business class flights from Idaho Falls to Reagan-National?

    Yes. Cheapflights offers flight deals from Idaho Falls to Reagan-National 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. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

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Top 3 airlines flying from Idaho Falls to Reagan-National

Discover the top 3 airlines that operate flights from Idaho Falls to Reagan-National. 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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$194Average$552FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$394Average$698FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$437Average$770FlexibilityNo cancel feeOn-time71%

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