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$120+ Cheap flights from Reagan-National (DCA) to Boise (BOI)

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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BOI
Aug 20 — Aug 271
Thu 8/20
Thu 8/27
1 adult, Economy
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Cheap flight deals from Reagan-National to Boise

Cheapest flights from Reagan-National to Boise
Explore the most affordable flight options available from Reagan-National to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 21, 2026.

This Frontier deal was found by Cheapflights users on 7/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:00 am
DCA
-
BOI
1 stop7h 04m
Frontier
Tue 9/2212:59 pm
BOI
-
DCA
1 stop6h 59m
Frontier
Deal found 7/16$282
This Delta deal was found by Cheapflights users on 7/17. 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.
Wed 8/126:59 pm
DCA
-
BOI
1 stop7h 00m
Delta
Mon 8/1711:10 pm
BOI
-
DCA
1 stop8h 00m
Delta
Deal found 7/17$293
This American Airlines deal was found by Cheapflights users on 7/16. 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.
Tue 8/115:00 am
DCA
-
BOI
1 stop8h 16m
American Airlines
Mon 8/173:19 pm
BOI
-
DCA
1 stop6h 40m
American Airlines
Deal found 7/16$296
This Southwest deal was found by Cheapflights users on 7/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:35 pm
DCA
-
BOI
2 stops9h 00m
Southwest
Tue 8/256:00 am
BOI
-
DCA
1 stop9h 00m
Southwest
Deal found 7/19$298
This American Airlines deal was found by Cheapflights users on 7/16. 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.
Thu 8/137:35 am
DCA
-
BOI
1 stop8h 54m
American Airlines
Thu 8/202:49 pm
BOI
-
DCA
1 stop7h 09m
American Airlines
Deal found 7/16$299
This Southwest deal was found by Cheapflights users on 7/17. 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.
Tue 8/254:50 pm
DCA
-
BOI
2 stops8h 20m
Southwest
Wed 8/266:00 am
BOI
-
DCA
2 stops10h 00m
Southwest
Deal found 7/17$303
This United Airlines deal was found by Cheapflights users on 7/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:48 am
DCA
-
BOI
1 stop9h 43m
United Airlines
Sat 8/2212:24 pm
BOI
-
DCA
1 stop8h 28m
United Airlines
Deal found 7/18$312
This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:59 pm
DCA
-
BOI
1 stop7h 00m
Delta
Sat 9/122:50 pm
BOI
-
DCA
1 stop7h 09m
Delta
Deal found 7/20$313
This Delta deal was found by Cheapflights users on 7/17. 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.
Wed 10/286:05 am
DCA
-
BOI
1 stop8h 23m
Delta
Sun 11/13:00 pm
BOI
-
DCA
1 stop6h 44m
Delta
Deal found 7/17$317
This CheapOair deal was found by Cheapflights users on 7/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:00 am
DCA
-
BOI
1 stop7h 29m
Frontier
Tue 8/181:24 pm
BOI
-
DCA
1 stop21h 27m
Frontier
Deal found 7/17$321
This Delta deal was found by Cheapflights users on 7/17. 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.
Tue 8/46:59 pm
DCA
-
BOI
1 stop7h 00m
Delta
Mon 8/1011:10 pm
BOI
-
DCA
1 stop8h 00m
Delta
Deal found 7/17$323

Find flight deals from Reagan-National to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Boise (BOI). 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 July 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$282
(Frontier)

One-way from

$120
(Priceline)

Popular in

November

Cheapest in

August

Average price

$578
Provider with most accurate pricing for Washington, D.C. Reagan-National-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Boise Air Term. Gowen Fld flights.
Search Deals
From Washington, D.C. Reagan-National to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Washington, D.C. Reagan-National to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Boise 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 July 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Sat 8/15

7:48 am-3:31 pm

1 stop9h 43m

Boise Air Term. Gowen Fld

Sat 8/22

12:24 pm-10:52 pm

1 stop8h 28m

$312

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Fri 10/16

4:45 pm-11:49 pm

1 stop9h 04m

Boise Air Term. Gowen Fld

Mon 10/19

11:35 pm-9:10 am

1 stop7h 35m

$317

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Fri 9/4

6:30 am-11:28 am

1 stop6h 58m

Boise Air Term. Gowen Fld

Sun 9/6

12:24 pm-10:52 pm

1 stop8h 28m

$352

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Tue 7/28

5:45 pm-12:05 am

1 stop8h 20m

Boise Air Term. Gowen Fld

Tue 8/4

5:30 am-1:48 pm

1 stop6h 18m

$353

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Fri 7/31

6:00 am-10:57 am

1 stop6h 57m

Boise Air Term. Gowen Fld

Mon 8/3

11:10 pm-9:10 am

1 stop8h 00m

$353

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Fri 7/31

6:00 am-10:57 am

1 stop6h 57m

Boise Air Term. Gowen Fld

Sat 8/1

5:30 am-1:48 pm

1 stop6h 18m

$353

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Wed 7/29

6:59 am-12:53 pm

1 stop7h 54m

Boise Air Term. Gowen Fld

Mon 8/3

11:10 pm-9:10 am

1 stop8h 00m

$373

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Wed 10/7

9:10 am-6:25 pm

2 stops11h 15m

Boise Air Term. Gowen Fld

Sun 10/11

7:20 am-6:10 pm

2 stops8h 50m

$436
Quickest round-trip

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Thu 7/30

8:00 am-12:53 pm

1 stop6h 53m

Boise Air Term. Gowen Fld

Tue 8/4

5:30 am-1:48 pm

1 stop6h 18m

$436

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Fri 9/4

5:20 pm-11:55 pm

1 stop8h 35m

Boise Air Term. Gowen Fld

Mon 9/7

8:25 pm-4:00 pm

1 stop17h 35m

$463

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 23 resultsSorted by cheapest first
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3

Compare providers for flights from Reagan-National to Boise

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 Boise in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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-Boise 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-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Boise 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-Boise 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-Boise 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 Boise

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

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

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated July 21, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Washington, D.C. Reagan-National Airport to Boise to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,473 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,473 reviews
Delta
7.8
Good
8,473 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,011 reviews
Delta
7.8
Good
8,473 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,832 reviews
Delta
7.8
Good
8,473 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Boise. 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 Boise from Washington, D.C. Reagan-National?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Boise. You should not have trouble finding flights to Air Term. Gowen Fld from Washington, D.C. Reagan-National; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Boise airport from Washington, D.C. Reagan-National. It is only a 3.3 mi journey from Air Term. Gowen Fld (BOI) to Boise’s city center.

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

    Airlines like United Airlines and Delta fly from Washington, D.C. Reagan-National Airport to Boise in about 9h 04m. The time it takes to get you to your destination can typically vary by up to 39m. Washington, D.C. Reagan-National Airport and Boise are separated by a distance of 2042 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Our cheapest airline available from Washington, D.C. Reagan-National Airport to Boise is Delta. Our recent data shows that you can find tickets from as low as $150 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $221 and $262 round-trip. These flights start at 67% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $111 on Frontier. Other airlines that offer cheap prices include United Airlines from $131 and Delta from $145 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Boise 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

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Meridian
Nampa
Caldwell
Ontario

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Top 3 airlines flying from Reagan-National to Boise

Discover the top 3 airlines that operate flights from Reagan-National to Boise. 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 July 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$150Average$460FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$221Average$581FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$262Average$578FlexibilityNo cancel feeOn-time71%

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