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

Delta, at $400, was found to be the cheapest airline from Washington, D.C. Reagan-National Airport to Idaho Falls.Alternate airlines to your destination round-trip include American Airlines and Alaska Airlines. Delta is priced at 53% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Idaho Falls one-way?

The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $297. However, be on the lookout for offers from Hawaiian Airlines and United Airlines, as they are both options that can get you from Washington, D.C. Reagan-National Airport to Idaho Falls for a low price.

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

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Idaho Falls flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 51% when planning your travel around this day of the week.

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

Flights from Washington, D.C. Reagan-National Airport to Idaho Falls lean towards being more expensive in March. Prices are generally better when you fly from Washington, D.C. Reagan-National Airport to Idaho Falls in February, with the cheapest ticket starting at $356.

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

When flying from Washington, D.C. Reagan-National Airport to Idaho Falls, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 9% versus a flight at noon.

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Idaho Falls flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Idaho Falls 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 Washington, D.C. Reagan-National Airport-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Idaho Falls from Washington, D.C. Reagan-National?

For a flight from Washington, D.C. Reagan-National to Idaho Falls, you will be flying into Fanning Field. Idaho Falls Fanning Field (IDA) is just 3.8 mi from the center of the city. Fanning Field is the only Idaho Falls airport and it handles 0 inbound flights from Washington, D.C. Reagan-National per day. 2 airlines have flights to Idaho Falls Fanning Field from Washington, D.C. Reagan-National on a regular basis.

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

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

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

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

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

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

$297+ Save on Flights from Washington, D.C. Reagan-National Airport to Idaho Falls

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Cheap flight deals from Reagan-National to Idaho Falls

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$400 (Delta)
One-way from	$297 (Alaska Airlines)
Popular in	April
Cheapest in	November
Average price	$885

Provider with most accurate pricing for Washington, D.C. Reagan-National-Idaho Falls Fanning Field flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Idaho Falls Fanning Field flights.

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From Washington, D.C. Reagan-National to Idaho Falls Fanning Field

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One-way flight from Washington, D.C. Reagan-National to Idaho Falls Fanning Field

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($124 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).

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Average for round-trip flights in February 2025

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Find flight deals from Reagan-National to Idaho Falls

Cheapest flights from Reagan-National to Idaho Falls
Explore the most affordable flight options available from Reagan-National to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Tue 4/225:10 pmDCA - IDA

1 stop7h 46mDelta

Tue 4/296:55 pmIDA - DCA

2 stops12h 11mDelta

Deal found 2/20

$400

Tue 4/226:30 amDCA - IDA

1 stop7h 59mAmerican Airlines

Tue 4/2912:59 pmIDA - DCA

1 stop8h 01mAmerican Airlines

Deal found 2/20

$408

Wed 9/35:30 pmDCA - IDA

1 stop31h 08mAlaska Airlines

Sun 9/74:00 pmIDA - DCA

2 stops26h 55mAlaska Airlines

Deal found 2/20

$669

Fri 4/256:20 amDCA - IDA

3 stops29h 12mUnited Airlines

Sun 4/274:15 pmIDA - DCA

2 stops16h 38mUnited Airlines

Deal found 2/20

$906

Best flights from Reagan-National to Idaho Falls
Discover carefully curated flight deals from Reagan-National to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2025.

Tue 4/225:10 pmDCA - IDA

1 stop7h 46mDelta

Tue 4/296:55 pmIDA - DCA

2 stops12h 11mDelta

Deal found 2/20

$400

Tue 4/226:30 amDCA - IDA

1 stop7h 59mAmerican Airlines

Tue 4/2912:59 pmIDA - DCA

1 stop8h 01mAmerican Airlines

Deal found 2/20

$408

Fri 3/76:40 pmDCA - IDA

2 stops22h 50mAlaska Airlines

Wed 3/128:00 amIDA - DCA

1 stop30h 24mAlaska Airlines

Deal found 2/20

$767

Fri 4/256:20 amDCA - IDA

3 stops29h 12mUnited Airlines

Sun 4/274:15 pmIDA - DCA

2 stops16h 38mUnited Airlines

Deal found 2/20

$906

Last-minute flights from Reagan-National to Idaho Falls
Discover last-minute flight deals from Reagan-National to Idaho Falls. Data last updated February 20, 2025 and is based on user searches.

Tue 2/255:10 pmDCA - IDA

1 stop7h 34mDelta

Sat 3/16:00 amIDA - DCA

1 stop8h 00mDelta

Deal found 2/20

$832

Wed 3/55:00 amDCA - IDA

1 stop9h 17mAmerican Airlines

Mon 3/1012:58 pmIDA - DCA

1 stop8h 01mAmerican Airlines

Deal found 2/20

$771

Fri 3/75:10 pmDCA - IDA

1 stop7h 34mDelta

Tue 3/116:00 amIDA - DCA

1 stop8h 00mDelta

Deal found 2/20

$745

Fri 3/76:40 pmDCA - IDA

2 stops22h 50mAlaska Airlines

Wed 3/128:00 amIDA - DCA

1 stop30h 24mAlaska Airlines

Deal found 2/20

$767

Fri 3/78:30 amDCA - IDA

2 stops10h 33mUnited Airlines

Wed 3/126:45 amIDA - DCA

2 stops8h 09mUnited Airlines

Deal found 2/20

$984

One-way flights from Reagan-National to Idaho Falls
Search for one-way flight options from Reagan-National to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated February 20, 2025.

Tue 3/119:00 amDCA - IDA

2 stops32h 30mAlaska Airlines

Deal found 2/20

$297

Tue 3/118:00 amDCA - IDA

1 stop9h 30mHawaiian Airlines

Deal found 2/20

$331

Fri 7/2510:45 amDCA - IDA

2 stops14h 06mUnited Airlines

Deal found 2/19

$368

Fri 7/185:15 pmDCA - IDA

1 stop7h 00mDelta

Deal found 2/20

$580

Find flights from Reagan-National to Idaho Falls within your budget

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Tue 4/22

5:10 pm-10:56 pm

1 stop7h 46m

Idaho Falls Fanning Field

Tue 4/29

6:55 pm-9:06 am

2 stops12h 11m

$400

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Tue 4/22

6:30 am-12:29 pm

1 stop7h 59m

Idaho Falls Fanning Field

Tue 4/29

12:59 pm-11:00 pm

1 stop8h 01m

$408

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Fri 3/7

6:40 pm-3:30 pm

2 stops22h 50m

Idaho Falls Fanning Field

Wed 3/12

8:00 am-4:24 pm

1 stop30h 24m

$767

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Fri 4/25

6:20 am-9:32 am

3 stops29h 12m

Idaho Falls Fanning Field

Sun 4/27

4:15 pm-10:53 am

2 stops16h 38m

$906

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Tue 3/11

9:00 am-3:30 pm

2 stops32h 30m

$297

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Tue 3/11

8:00 am-3:30 pm

1 stop9h 30m

$331

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Fri 7/25

10:45 am-10:51 pm

2 stops14h 06m

$368

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Fri 7/18

5:15 pm-10:15 pm

1 stop7h 00m

$580

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Compare providers for flights from Reagan-National to Idaho Falls

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Idaho Falls in February.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust 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 Washington, D.C. Reagan-National Airport-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Idaho Falls flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Idaho Falls 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 Washington, D.C. Reagan-National Airport-Idaho Falls 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 Reagan-National to Idaho Falls

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

Travel insights for flights from Reagan-National to Idaho Falls

Get recent, data-driven insights about flights from Reagan-National to Idaho Falls including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Idaho Falls?

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Idaho Falls (average of $380). Flying from Washington, D.C. Reagan-National Airport to Idaho Falls in July is currently the most expensive (average of $628). 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.

Rainfall in Idaho Falls by month

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

If weather is an important factor for your trip to Idaho Falls, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Idaho Falls

Alaska Airlines

8.0

Very good

9,692 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,692 reviews

Alaska Airlines

8.0

Very good

9,692 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

8,220 reviews

Alaska Airlines

8.0

Very good

9,692 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines

7.9

Good

2,317 reviews

Alaska Airlines

8.0

Very good

9,692 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,766 reviews

Alaska Airlines

8.0

Very good

9,692 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,692 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What airport do you fly into for flights to Idaho Falls from Washington, D.C. Reagan-National?
For a flight from Washington, D.C. Reagan-National to Idaho Falls, you will be flying into Fanning Field. Idaho Falls Fanning Field (IDA) is just 3.8 mi from the center of the city. Fanning Field is the only Idaho Falls airport and it handles 0 inbound flights from Washington, D.C. Reagan-National per day. 2 airlines have flights to Idaho Falls Fanning Field from Washington, D.C. Reagan-National on a regular basis.
What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Idaho Falls round-trip?
Delta, at $400, was found to be the cheapest airline from Washington, D.C. Reagan-National Airport to Idaho Falls.Alternate airlines to your destination round-trip include American Airlines and Alaska Airlines. Delta is priced at 53% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Idaho Falls one-way?
The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $297. However, be on the lookout for offers from Hawaiian Airlines and United Airlines, as they are both options that can get you from Washington, D.C. Reagan-National Airport to Idaho Falls for a low price.
Can I find deals for flights from Reagan-National to Idaho Falls that include hotel bookings?
Yes. In addition to deals on Reagan-National to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Idaho Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Idaho Falls.
Can I find deals for business class flights from Reagan-National to Idaho Falls?
Yes. Cheapflights offers flight deals from Reagan-National to Idaho Falls 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 Washington, D.C. Reagan-National Airport to Idaho Falls?
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Idaho Falls (average of $380). Flying from Washington, D.C. Reagan-National Airport to Idaho Falls in July is currently the most expensive (average of $628). 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 Reagan-National to Idaho Falls

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$524	Average$841	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$736	Average$838	FlexibilityNo cancel fee	On-time69%

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$297+ Cheap flights from Reagan-National (DCA) to Idaho Falls (IDA)

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Idaho Falls

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to Idaho Falls

Cheapest flights from Reagan-National to Idaho FallsExplore the most affordable flight options available from Reagan-National to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Explore the most affordable flight options available from Reagan-National to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Find flights from Reagan-National to Idaho Falls within your budget

Compare providers for flights from Reagan-National to Idaho Falls

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 Reagan-National to Idaho Falls in February.

Best time to book a flight from Reagan-National to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Reagan-National with our price prediction graph.

Travel insights for flights from Reagan-National to Idaho Falls

Get recent, data-driven insights about flights from Reagan-National to Idaho Falls including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Idaho Falls?

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

Reviews of airlines servicing Idaho Falls

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Idaho Falls. 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 into for flights to Idaho Falls from Washington, D.C. Reagan-National?

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

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Idaho Falls one-way?

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

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

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

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Idaho Falls?

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 Reagan-National to Idaho Falls

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

Top 2 airlines flying from Reagan-National to Idaho Falls

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Cheapest flights from Reagan-National to Idaho Falls
Explore the most affordable flight options available from Reagan-National to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.