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$155+ Cheap flights from Reagan-National (DCA) to Idaho

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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BOI
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Reagan-National to Idaho

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Idaho (USID). 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 November 20, 2024.

Find flight deals from Reagan-National to Idaho

Cheapest flights from Reagan-National to Idaho
Explore the most affordable flight options available from Reagan-National to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Delta deal was found by Cheapflights users on 11/19. 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.
Thu 12/126:10 amDCA - GEG
1 stop10h 02mDelta
Mon 12/165:50 amGEG - DCA
1 stop9h 09mDelta
Deal found 11/19$362
This Delta deal was found by Cheapflights users on 11/19. 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.
Mon 12/164:00 pmDCA - BOI
2 stops10h 43mDelta
Thu 1/95:30 amBOI - DCA
1 stop6h 27mDelta
Deal found 11/19$370
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/176:30 amDCA - JAC
1 stop7h 05mUnited Airlines
Sat 12/2112:45 pmJAC - DCA
1 stop6h 14mUnited Airlines
Deal found 11/19$379
This Delta deal was found by Cheapflights users on 11/19. 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.
Mon 12/166:10 amDCA - JAC
2 stops12h 35mDelta
Sat 12/213:25 pmJAC - DCA
1 stop6h 32mDelta
Deal found 11/19$399
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/173:30 pmDCA - BOI
1 stop9h 14mUnited Airlines
Tue 12/2412:14 pmBOI - DCA
1 stop6h 45mUnited Airlines
Deal found 11/19$432
This Southwest deal was found by Cheapflights users on 11/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1811:45 amDCA - GEG
2 stops12h 55mSouthwest
Wed 12/256:50 amGEG - DCA
2 stops10h 40mSouthwest
Deal found 11/18$441
This American Airlines deal was found by Cheapflights users on 11/20. 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 12/116:30 amDCA - JAC
1 stop8h 18mAmerican Airlines
Fri 12/2012:42 pmJAC - DCA
1 stop9h 15mAmerican Airlines
Deal found 11/20$460
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Mon 12/95:05 pmDCA - GEG
1 stop9h 05mAmerican Airlines
Wed 12/116:33 amGEG - DCA
2 stops11h 02mAmerican Airlines
Deal found 11/19$543
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/155:00 amDCA - BOI
1 stop9h 37mAmerican Airlines
Wed 1/81:30 pmBOI - DCA
1 stop9h 10mAmerican Airlines
Deal found 11/19$545
This United deal was found by Cheapflights users on 11/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/188:30 amDCA - GEG
2 stops15h 27mUnited Airlines
Wed 12/255:05 amGEG - DCA
1 stop6h 54mUnited Airlines
Deal found 11/19$555
This Southwest deal was found by Cheapflights users on 11/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/162:00 pmDCA - BOI
2 stops11h 00mSouthwest
Thu 1/25:30 amBOI - DCA
2 stops10h 40mSouthwest
Deal found 11/18$583
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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 12/182:44 pmDCA - GEG
2 stops12h 11mAlaska Airlines
Wed 12/257:00 amGEG - DCA
2 stops13h 40mAlaska Airlines
Deal found 11/19$598

Find flights from Reagan-National to Idaho within your budget

Customize your flight search to find flights from Reagan-National to Idaho 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

Tue 1/14

6:59 am-12:01 pm

1 stop8h 02m

Spokane

Thu 1/16

2:00 pm-11:43 pm

1 stop6h 43m

$306

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

Tue 2/25

5:25 pm-11:44 pm

1 stop9h 19m

Spokane

Wed 3/5

10:51 am-9:59 pm

1 stop8h 08m

$336

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Tue 2/18

2:59 pm-9:51 pm

1 stop8h 52m

Boise Air Term. Gowen Fld

Fri 2/21

1:23 pm-12:40 am

1 stop9h 17m

$340

Washington, D.C.Jackson

DCA - JAC

DCAJAC

Washington, D.C. Reagan-National

Wed 1/15

5:00 am-12:07 pm

1 stop9h 07m

Jackson Hole

Wed 1/22

12:55 pm-11:00 pm

1 stop8h 05m

$364

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Mon 1/20

6:55 pm-1:06 pm

1 stop20h 11m

Boise Air Term. Gowen Fld

Thu 1/23

7:00 am-5:53 pm

1 stop8h 53m

$365

Washington, D.C.Jackson

DCA - JAC

DCAJAC

Washington, D.C. Reagan-National

Wed 1/15

7:34 am-2:28 pm

1 stop8h 54m

Jackson Hole

Wed 1/22

7:05 am-7:36 pm

2 stops10h 31m

$369

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Tue 2/18

7:34 am-4:16 pm

2 stops10h 42m

Boise Air Term. Gowen Fld

Sat 2/22

5:30 am-1:59 pm

1 stop6h 29m

$369

Washington, D.C.Jackson

DCA - JAC

DCAJAC

Washington, D.C. Reagan-National

Wed 1/22

6:30 am-11:42 am

1 stop7h 12m

Jackson Hole

Tue 1/28

8:00 am-7:26 pm

1 stop9h 26m

$378

Washington, D.C.Jackson

DCA - JAC

DCAJAC

Washington, D.C. Reagan-National

Sun 1/19

8:00 am-11:05 am

1 stop29h 05m

Jackson Hole

Sat 1/25

11:45 am-9:59 pm

1 stop8h 14m

$379

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Wed 2/5

6:06 am-12:25 pm

1 stop8h 19m

Idaho Falls Fanning Field

Wed 2/12

12:55 pm-12:40 am

1 stop9h 45m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 40 results
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Best time to book a flight from Reagan-National to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho 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

Get recent, data-driven insights about flights from Reagan-National to Idaho 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?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Idaho (average of $310). Flying from Washington, D.C. Reagan-National Airport to Idaho in June is currently the most expensive (average of $436). 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 DCA to ID?

Find hourly flight availability from Reagan-National to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

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

Rainfall in Idaho by month

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

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated November 20, 2024.
To help decide which airline to fly from Washington, D.C. to Idaho, see what other customers have to say about American Airlines, Delta and Alaska Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    $155 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $158 and $195, respectively.

  • What are the most popular routes from Washington, D.C. Reagan-National Airport to Idaho?

    Most travelers choose Washington, D.C. Reagan-National - Jackson Hole, Washington, D.C. Reagan-National - Spokane or Washington, D.C. Reagan-National - Boise Air Term. Gowen Fld when deciding on the best route from Washington, D.C. Reagan-National Airport to Idaho.

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

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

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

    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.

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

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

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Idaho (average of $310). Flying from Washington, D.C. Reagan-National Airport to Idaho in June is currently the most expensive (average of $436). 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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Alternative routes for Reagan-National to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Baltimore to Tampa flights
Reagan-National to Tampa flights
Dulles Intl to Sky Harbor Intl flights
Dulles Intl to George Bush Intcntl flights
Baltimore to George Bush Intcntl flights
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Baltimore to San Francisco flights
Dulles Intl to Honolulu flights
Baltimore to Atlanta flights
Dulles Intl to San Diego flights
Baltimore to Salt Lake City flights

Top 3 airlines flying from Reagan-National to Idaho

Discover the top 3 airlines that operate flights from Reagan-National to Idaho. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$310Average$481FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$386Average$665FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$454Average$722FlexibilityNo cancel feeOn-time69%
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