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

Airlines like American Airlines, Delta, and Alaska Airlines fly from Idaho Falls to Washington, D.C. Reagan-National Airport in about 6h 58m. The time it takes to get you to your destination can typically vary by up to 5h 01m. 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 is the cheapest airline to fly from Idaho Falls to Washington, D.C. Reagan-National Airport round-trip?

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

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho Falls to Washington, D.C. Reagan-National Airport as you normally would.

Most accurate provider : When it comes to deals on Idaho Falls-Washington, D.C. Reagan-National Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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 1 airline has 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.

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.

$131+ Flights from Idaho Falls to Washington, D.C. Reagan-National Airport

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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 December 18, 2025.

Thu 12/181:17 pmIDA - DCA

2 stops8h 20mDelta

Thu 1/15:11 pmDCA - IDA

1 stop7h 41mDelta

Deal found 12/16

$676

Thu 12/186:40 amIDA - DCA

1 stop6h 19mUnited Airlines

Thu 1/14:17 pmDCA - IDA

1 stop6h 57mUnited Airlines

Deal found 12/17

$681

Sun 12/217:00 amIDA - DCA

2 stops11h 13mAmerican Airlines

Tue 12/2310:49 amDCA - IDA

2 stops13h 32mAmerican Airlines

Deal found 12/17

$741

Thu 12/187:00 amIDA - DCA

2 stops11h 13mAmerican Airlines

Thu 1/11:44 pmDCA - IDA

2 stops10h 37mAmerican Airlines

Deal found 12/16

$791

Wed 12/247:00 amIDA - DCA

2 stops12h 10mAmerican Airlines

Sun 12/281:07 pmDCA - IDA

2 stops11h 14mAmerican Airlines

Deal found 12/16

$854

Best flights from Idaho Falls to Reagan-National
Discover carefully curated flight deals from Idaho Falls to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Thu 2/122:02 pmIDA - DCA

1 stop6h 58mAmerican Airlines

Sat 2/2111:37 amDCA - IDA

2 stops13h 30mAmerican Airlines

Deal found 12/17

$439

Thu 2/125:25 amIDA - DCA

1 stop8h 35mDelta

Sat 2/215:10 pmDCA - IDA

1 stop7h 11mDelta

Deal found 12/17

$483

Thu 2/128:00 amIDA - DCA

1 stop11h 59mAlaska Airlines

Sat 2/215:00 pmDCA - IDA

1 stop8h 36mAlaska Airlines

Deal found 12/17

$520

Mon 5/117:00 amIDA - DCA

1 stop5h 56mUnited Airlines

Sat 5/166:00 amDCA - IDA

2 stops11h 37mUnited Airlines

Deal found 12/16

$542

Thu 4/26:15 amIDA - DCA

1 stop8h 02mMultiple Airlines

Sun 4/58:00 amDCA - IDA

1 stop9h 20mMultiple Airlines

Deal found 12/16

$592

Fri 2/132:02 pmIDA - DCA

1 stop6h 58mAmerican Airlines

Fri 2/206:30 amDCA - IDA

1 stop9h 00mAmerican Airlines

Deal found 12/17

$479

Wed 3/186:59 pmIDA - DCA

2 stops25h 37mDelta

Tue 3/316:00 amDCA - IDA

2 stops18h 20mDelta

Deal found 12/17

$577

Thu 1/15:00 amIDA - DCA

1 stop7h 59mUnited Airlines

Mon 1/54:17 pmDCA - IDA

1 stop8h 42mUnited Airlines

Deal found 12/17

$579

Thu 2/1910:45 amIDA - DCA

1 stop26h 14mUnited Airlines

Sat 2/214:11 pmDCA - IDA

1 stop19h 37mUnited Airlines

Deal found 12/15

$595

Last-minute flights from Idaho Falls to Reagan-National
Discover last-minute flight deals from Idaho Falls to Reagan-National. Data last updated December 18, 2025 and is based on user searches.

Thu 12/181:17 pmIDA - DCA

2 stops8h 20mDelta

Thu 1/15:11 pmDCA - IDA

1 stop7h 41mDelta

Deal found 12/16

$676

Thu 12/186:40 amIDA - DCA

1 stop6h 19mUnited Airlines

Thu 1/14:17 pmDCA - IDA

1 stop6h 57mUnited Airlines

Deal found 12/17

$681

Thu 12/187:00 amIDA - DCA

2 stops11h 13mAmerican Airlines

Thu 1/11:44 pmDCA - IDA

2 stops10h 37mAmerican Airlines

Deal found 12/16

$791

Sun 12/217:00 amIDA - DCA

2 stops11h 13mAmerican Airlines

Tue 12/2310:49 amDCA - IDA

2 stops13h 32mAmerican Airlines

Deal found 12/17

$741

Thu 1/15:00 amIDA - DCA

1 stop7h 59mUnited Airlines

Mon 1/54:17 pmDCA - IDA

1 stop8h 42mUnited Airlines

Deal found 12/17

$579

Thu 1/152:07 pmIDA - DCA

1 stop6h 53mAmerican Airlines

Sun 1/186:30 amDCA - IDA

1 stop9h 07mAmerican Airlines

Deal found 12/16

$447

One-way flights from Idaho Falls to Reagan-National
Search for one-way flight options from Idaho Falls to Reagan-National. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Mon 2/99:20 pmIDA - DCA

2 stops13h 55mMultiple Airlines

Deal found 12/17

$131

Fri 2/1310:31 pmIDA - DCA

2 stops12h 29mMultiple Airlines

Deal found 12/17

$168

Mon 2/96:58 pmIDA - DCA

1 stop25h 01mAlaska Airlines

Deal found 12/17

$238

Thu 2/122:02 pmIDA - DCA

1 stop6h 58mAmerican Airlines

Deal found 12/17

$240

Thu 2/128:00 amIDA - DCA

2 stops30h 00mAlaska Airlines

Deal found 12/17

$337

Sat 1/37:00 amIDA - DCA

1 stop22h 00mAmerican Airlines

Deal found 12/17

$563

Sat 1/39:30 pmIDA - DCA

3 stops37h 31mMultiple Airlines

Deal found 12/17

$636

Find flight deals from Idaho Falls to Reagan-National

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$439 (American Airlines)
One-way from	$131 (Kiwi.com)

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

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Thu 2/12

2:02 pm-11:00 pm

1 stop6h 58m

Washington, D.C. Reagan-National

Sat 2/21

11:37 am-11:07 pm

2 stops13h 30m

$439

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Fri 2/13

2:02 pm-11:00 pm

1 stop6h 58m

Washington, D.C. Reagan-National

Fri 2/20

6:30 am-1:30 pm

1 stop9h 00m

$479

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Thu 2/12

5:25 am-4:00 pm

1 stop8h 35m

Washington, D.C. Reagan-National

Sat 2/21

5:10 pm-10:21 pm

1 stop7h 11m

$483

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Thu 2/12

8:00 am-9:59 pm

1 stop11h 59m

Washington, D.C. Reagan-National

Sat 2/21

5:00 pm-11:36 pm

1 stop8h 36m

$520

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Mon 5/11

7:00 am-2:56 pm

1 stop5h 56m

Washington, D.C. Reagan-National

Sat 5/16

6:00 am-3:37 pm

2 stops11h 37m

$542

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Wed 3/18

6:59 pm-10:36 pm

2 stops25h 37m

Washington, D.C. Reagan-National

Tue 3/31

6:00 am-10:20 pm

2 stops18h 20m

$577

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Thu 1/1

5:00 am-2:59 pm

1 stop7h 59m

Washington, D.C. Reagan-National

Mon 1/5

4:17 pm-10:59 pm

1 stop8h 42m

$579

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Thu 4/2

6:15 am-4:17 pm

1 stop8h 02m

Washington, D.C. Reagan-National

Sun 4/5

8:00 am-3:20 pm

1 stop9h 20m

$592

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Thu 2/19

10:45 am-2:59 pm

1 stop26h 14m

Washington, D.C. Reagan-National

Sat 2/21

4:11 pm-9:48 am

1 stop19h 37m

$595

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Mon 2/9

9:20 pm-1:15 pm

2 stops13h 55m

$131

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 17 results

Compare providers for flights from Idaho Falls to Reagan-National

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 December.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 a feel of what it's like to fly with 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.

American Airlines

7.2

Good

11,055 reviews

Reviews

1 / 20

10.0

Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

American Airlines

7.2

Good

11,055 reviews

American Airlines

7.2

Good

11,055 reviews

Reviews

1 / 20

10.0

Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

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 1 airline has 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, Delta, and Alaska Airlines fly from Idaho Falls to Washington, D.C. Reagan-National Airport in about 6h 58m. The time it takes to get you to your destination can typically vary by up to 5h 01m. 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 is the cheapest airline to fly from Idaho Falls to Washington, D.C. Reagan-National Airport round-trip?
According to our current data, 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.

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Top airline flying from Idaho Falls to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$437	Average$607	FlexibilityNo cancel fee	On-time71%

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$131+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Idaho Falls to Reagan-National with Cheapflights

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3. Compare prices and book

Cheap flight deals from Idaho Falls to Reagan-National

Cheapest flights from Idaho Falls to Reagan-NationalExplore 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 December 18, 2025.

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 December 18, 2025.

Find flight deals from Idaho Falls to Reagan-National

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

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

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 December.

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.

Reviews of airlines servicing Reagan-National

Get a feel of what it's like to fly with 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.

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?

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

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

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

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

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

Traveling to a place near Washington, D.C. Reagan-National Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho Falls to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Idaho Falls to Reagan-National

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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 December 18, 2025.