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$84+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BOI
ene. 7 — ene. 141
mié. 1/7
mié. 1/14
1 adult, Economy
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Cheap 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 diciembre 8, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/176:00 pmDCA - BOI
1 stop19h 43mMultiple Airlines
lun. 1/59:46 pmBOI - DCA
2 stops13h 16mMultiple Airlines
Deal found 12/7$453
This Kiwi.com deal was found by Cheapflights users on 12/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/212:00 pmDCA - BOI
2 stops27h 44mMultiple Airlines
jue. 12/2512:38 pmBOI - DCA
1 stop22h 23mMultiple Airlines
Deal found 12/6$478
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/216:00 pmDCA - BOI
2 stops23h 44mMultiple Airlines
dom. 1/412:38 pmBOI - DCA
1 stop22h 23mMultiple Airlines
Deal found 12/7$493
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/216:00 pmDCA - BOI
2 stops23h 44mMultiple Airlines
jue. 1/112:38 pmBOI - DCA
1 stop22h 23mMultiple Airlines
Deal found 12/7$506
This Southwest deal was found by Cheapflights users on 12/7. 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.
lun. 12/293:45 pmDCA - GEG
2 stops11h 25mSouthwest
sáb. 1/107:10 amGEG - DCA
2 stops10h 05mSouthwest
Deal found 12/7$526
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/242:00 pmDCA - BOI
1 stop23h 43mMultiple Airlines
lun. 1/59:46 pmBOI - DCA
2 stops13h 16mMultiple Airlines
Deal found 12/7$534
This United Airlines deal was found by Cheapflights users on 12/7. 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.
dom. 12/214:17 pmDCA - IDA
1 stop8h 42mUnited Airlines
mié. 12/315:00 amIDA - DCA
1 stop7h 59mUnited Airlines
Deal found 12/7$541
This United Airlines deal was found by Cheapflights users on 12/7. 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.
lun. 12/296:00 pmDCA - GEG
1 stop7h 30mUnited Airlines
sáb. 1/1011:25 amGEG - DCA
1 stop9h 34mUnited Airlines
Deal found 12/7$543
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/242:00 pmDCA - BOI
1 stop23h 43mFrontier
dom. 1/412:38 pmBOI - DCA
1 stop22h 23mFrontier
Deal found 12/7$553
This Delta deal was found by Cheapflights users on 12/7. 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.
jue. 12/258:10 amDCA - BOI
1 stop8h 04mDelta
lun. 1/55:40 amBOI - DCA
1 stop7h 40mDelta
Deal found 12/7$559
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/242:00 pmDCA - BOI
1 stop23h 43mFrontier
jue. 1/112:38 pmBOI - DCA
1 stop22h 23mFrontier
Deal found 12/7$565
This American Airlines deal was found by Cheapflights users on 12/6. 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.
jue. 12/187:43 amDCA - JAC
1 stop8h 48mAmerican Airlines
lun. 12/221:30 pmJAC - DCA
1 stop8h 15mAmerican Airlines
Deal found 12/6$579

Find flight deals from Reagan-National to Idaho

Keep the following information in mind while searching for Reagan-National to Idaho flight deals. Data was last updated diciembre 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$174
(Mytrip)

One-way from

$84
(Mytrip)

Popular in

December

Cheapest in

April

Average price

$631
Provider with most accurate pricing for Washington, D.C. (WAS)-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Boise Air Term. Gowen Fld flights.
Search Deals
From Washington, D.C. Reagan-National to Idaho
Search Deals
One-way flight from Washington, D.C. Reagan-National to Idaho
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
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 2,558,603 searches. Data last updated diciembre 8, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Idaho that are best for you.

Fly from

Reagan-National

Fly to

Idaho

Route

Depart

Return

Price

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

sáb. 2/14

2:00 pm-11:59 am

1 stop23h 59m

Boise Air Term. Gowen Fld

dom. 2/22

12:54 pm-1:05 pm

1 stop22h 11m

$174

Washington, D.C.Hailey

DCA - SUN

DCASUN

Washington, D.C. Reagan-National

vie. 2/20

6:30 am-11:56 am

1 stop7h 26m

Hailey Sun Valley-Friedman

sáb. 2/28

8:09 am-9:36 pm

1 stop11h 27m

$271

Washington, D.C.Hailey

DCA - SUN

DCASUN

Washington, D.C. Reagan-National

sáb. 1/10

6:00 am-12:46 pm

1 stop8h 46m

Hailey Sun Valley-Friedman

mié. 1/14

1:16 pm-10:55 pm

1 stop7h 39m

$271

Washington, D.C.Hailey

DCA - SUN

DCASUN

Washington, D.C. Reagan-National

sáb. 1/10

5:10 pm-9:55 pm

1 stop6h 45m

Hailey Sun Valley-Friedman

mié. 1/14

7:25 am-6:27 pm

2 stops9h 02m

$276

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

sáb. 1/17

8:00 am-3:10 pm

1 stop9h 10m

Boise Air Term. Gowen Fld

mié. 1/21

5:55 pm-9:59 pm

1 stop26h 04m

$287

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

mié. 2/11

8:00 am-9:05 pm

1 stop15h 05m

Boise Air Term. Gowen Fld

dom. 2/15

6:28 am-9:59 pm

1 stop13h 31m

$287

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

sáb. 2/14

5:00 pm-11:01 pm

1 stop9h 01m

Spokane

mar. 2/17

8:29 pm-4:06 pm

1 stop16h 37m

$316

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

sáb. 1/24

5:01 pm-11:04 pm

1 stop9h 03m

Spokane

mié. 1/28

9:05 am-9:59 pm

1 stop9h 54m

$316

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

sáb. 2/14

4:44 pm-10:42 pm

1 stop8h 58m

Spokane

mar. 2/17

7:20 pm-8:53 am

2 stops10h 33m

$322

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

sáb. 1/24

5:55 am-2:09 pm

2 stops11h 14m

Spokane

mié. 1/28

6:00 am-7:36 pm

2 stops10h 36m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 60 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.

Cheapflights Insights

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

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 diciembre 8, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 36% on flights from Washington, D.C. Reagan-National Airport to Idaho by exploring options for tickets in the evening.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Idaho?

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 diciembre 8, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Idaho, such as Alaska Airlines, Delta, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,412 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,412 reviews
Alaska Airlines
8.0
Very good
11,412 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,013 reviews
Alaska Airlines
8.0
Very good
11,412 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,076 reviews
Alaska Airlines
8.0
Very good
11,412 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,042 reviews
Alaska Airlines
8.0
Very good
11,412 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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.

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

    Departing from Washington, D.C. Reagan-National Airport to Idaho will take you 7h 26m. There are 1946 mi between Washington, D.C. Reagan-National Airport and Idaho. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $148 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 $150 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 - Boise Air Term. Gowen Fld or Washington, D.C. Reagan-National - Spokane 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.

See more FAQs

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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 Sky Harbor Intl flights
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Reagan-National to Salt Lake City flights
Reagan-National to San Francisco flights
Dulles Intl to George Bush Intcntl flights
Baltimore to Seattle flights
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Top 4 airlines flying from Reagan-National to Idaho

Discover the top 4 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 2,558,603 searches. Data last updated diciembre 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$202Average$381FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$221Average$584FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$300Average$504FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$388Average$458FlexibilityNo cancel feeOn-time75%

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