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Reagan-National

$236+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — DCA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$422
(Delta)

One-way from

$236
(Delta)

Popular in

August

Cheapest in

December

Average price

$939
From Idaho Falls Fanning Field to Washington, D.C. Reagan-National
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One-way flight from Idaho Falls Fanning Field to Washington, D.C. Reagan-National
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Highest demand for flights based on searches. 27% potential increase in price ($273 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($66 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 7/46:00 amIDA - DCA
2 stops10h 34mDelta
Fri 7/115:59 pmDCA - IDA
1 stop6h 30mDelta
Deal found 6/10$422
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 8/244:03 pmIDA - DCA
2 stops27h 56mAlaska Airlines
Sat 10/258:00 amDCA - IDA
1 stop9h 38mAlaska Airlines
Deal found 6/11$462
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 8/2412:46 pmIDA - DCA
1 stop18h 14mAmerican Airlines
Sat 10/253:20 pmDCA - IDA
1 stop7h 51mAmerican Airlines
Deal found 6/11$474
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/255:00 amIDA - DCA
1 stop8h 05mUnited Airlines
Sun 6/294:17 pmDCA - IDA
1 stop8h 34mUnited Airlines
Deal found 6/10$563
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/146:15 amIDA - DCA
1 stop8h 28mHawaiian Airlines
Mon 7/218:00 amDCA - IDA
1 stop9h 22mHawaiian Airlines
Deal found 6/11$1,186

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 June 12, 2025.
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

Fri 7/4

6:00 am-6:34 pm

2 stops10h 34m

Washington, D.C. Reagan-National

Fri 7/11

5:59 pm-10:29 pm

1 stop6h 30m

$422

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Sun 8/24

4:03 pm-9:59 pm

2 stops27h 56m

Washington, D.C. Reagan-National

Sat 10/25

8:00 am-3:38 pm

1 stop9h 38m

$462

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Sun 8/24

12:46 pm-9:00 am

1 stop18h 14m

Washington, D.C. Reagan-National

Sat 10/25

3:20 pm-9:11 pm

1 stop7h 51m

$474

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Wed 6/25

5:00 am-3:05 pm

1 stop8h 05m

Washington, D.C. Reagan-National

Sun 6/29

4:17 pm-10:51 pm

1 stop8h 34m

$563

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Mon 7/14

6:15 am-4:43 pm

1 stop8h 28m

Washington, D.C. Reagan-National

Mon 7/21

8:00 am-3:22 pm

1 stop9h 22m

$1,186

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Wed 6/25

6:00 am-6:56 pm

2 stops10h 56m

$236

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Sun 10/12

12:46 pm-11:50 pm

1 stop9h 04m

$281

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Sun 10/12

4:15 pm-8:29 pm

2 stops50h 14m

$392

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Sun 8/24

6:13 am-4:49 pm

1 stop8h 36m

$451

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Sun 10/12

5:00 am-10:10 pm

3 stops15h 10m

$950

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to Washington, D.C. Reagan-National Airport

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

Currently, February is the cheapest month in which you can book a flight from Idaho Falls to Washington, D.C. Reagan-National Airport (average of $278). Flying from Idaho Falls to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $337). 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 DCA?

Find hourly flight availability from Idaho Falls to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Idaho Falls to Washington, D.C. Reagan-National Airport at noon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight in the morning.

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

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.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

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).

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 June 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 2 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.

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

    According to our current data, Delta ($422), Alaska Airlines ($462), and American Airlines ($474) offers the cheapest pricing from Idaho Falls to Washington, D.C. Reagan-National Airport. Users have found that Delta is 40% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $236. However, be on the lookout for offers from American Airlines and Alaska Airlines, as they are both options that can get you from Idaho Falls to Washington, D.C. Reagan-National Airport for a low price.

  • 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.

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

    Currently, February is the cheapest month in which you can book a flight from Idaho Falls to Washington, D.C. Reagan-National Airport (average of $278). Flying from Idaho Falls to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $337). 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

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas
Dundalk

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Top 2 airlines flying from Idaho Falls to Reagan-National

Discover the top 2 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$369Average$650FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$394Average$745FlexibilityNo cancel feeOn-time69%

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