Reagan-National

$100+ Cheap flights from Boise (BOI) 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DCA
Nov 26 — Dec 31
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boise to Reagan-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Washington, D.C. Reagan-National are usually found in November or July, booked 44 days in advance, depart on a Saturday or Thursday and return on a Tuesday

Find flight deals from Boise to Reagan-National

Cheapest flights from Boise to Reagan-National
Explore the most affordable flight options available from Boise to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This Delta deal was found by Cheapflights users on 10/26. 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 11/245:20 amBOI - DCA
1 stop8h 05mDelta
Wed 12/36:58 pmDCA - BOI
1 stop7h 11mDelta
Deal found 10/26$306
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Wed 11/269:22 pmBOI - DCA
2 stops17h 35mMultiple Airlines
Wed 12/36:00 pmDCA - BOI
1 stop19h 49mMultiple Airlines
Deal found 10/26$347
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/1810:40 amBOI - DCA
1 stop9h 03mUnited Airlines
Sat 11/225:07 pmDCA - BOI
1 stop7h 38mUnited Airlines
Deal found 10/25$356
This Delta deal was found by Cheapflights users on 10/25. 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 11/1811:10 amBOI - DCA
2 stops10h 31mDelta
Sat 11/224:56 pmDCA - BOI
1 stop9h 11mDelta
Deal found 10/25$361
This Kissandfly.com deal was found by Cheapflights users on 10/26. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:20 amBOI - DCA
1 stop8h 32mHawaiian Airlines
Sat 12/68:00 amDCA - BOI
1 stop10h 16mHawaiian Airlines
Deal found 10/26$369
This Delta deal was found by Cheapflights users on 10/27. 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 11/171:49 pmBOI - DCA
1 stop6h 52mDelta
Sun 11/233:06 pmDCA - BOI
2 stops11h 03mDelta
Deal found 10/27$382
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Fri 12/121:57 pmBOI - DCA
1 stop7h 59mAmerican Airlines
Sun 12/146:59 amDCA - BOI
1 stop8h 07mAmerican Airlines
Deal found 10/26$390
This Delta deal was found by Cheapflights users on 10/25. 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 12/122:04 pmBOI - DCA
1 stop7h 36mDelta
Sun 12/144:55 pmDCA - BOI
1 stop9h 09mDelta
Deal found 10/25$391
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Mon 11/2410:45 pmBOI - DCA
2 stops16h 12mMultiple Airlines
Wed 12/36:00 pmDCA - BOI
1 stop19h 49mMultiple Airlines
Deal found 10/26$416

Cheap flight deals from Boise to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$306
(Delta)

One-way from

$100
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$556
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Washington, D.C. Reagan-National flight deals.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Washington, D.C. Reagan-National flights.
From Boise Air Term. Gowen Fld to Washington, D.C. Reagan-National
One-way flight from Boise Air Term. Gowen Fld to Washington, D.C. Reagan-National
Highest demand for flights based on searches. 10% potential increase in price ($61 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 October 27, 2025.
Use the filters below to find and compare flights from Boise to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Boise

Fly to

Reagan-National

Route

Depart

Return

Price

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 1/22

12:54 pm-9:59 pm

1 stop7h 05m

Washington, D.C. Reagan-National

Mon 1/26

5:09 pm-11:58 pm

1 stop8h 49m

$311

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 1/22

5:40 am-4:01 pm

1 stop8h 21m

Washington, D.C. Reagan-National

Mon 1/26

9:59 am-11:02 pm

1 stop15h 03m

$350

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Wed 11/26

1:49 pm-10:41 pm

1 stop6h 52m

Washington, D.C. Reagan-National

Wed 12/3

6:58 pm-12:09 am

1 stop7h 11m

$356

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Tue 11/25

11:39 pm-9:10 am

1 stop7h 31m

Washington, D.C. Reagan-National

Wed 12/3

6:58 pm-12:09 am

1 stop7h 11m

$356

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Tue 11/18

11:10 am-11:41 pm

2 stops10h 31m

Washington, D.C. Reagan-National

Sat 11/22

4:56 pm-12:07 am

1 stop9h 11m

$361

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Mon 11/17

1:49 pm-10:41 pm

1 stop6h 52m

Washington, D.C. Reagan-National

Sun 11/23

3:06 pm-12:09 am

2 stops11h 03m

$382

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Fri 12/12

1:57 pm-11:56 pm

1 stop7h 59m

Washington, D.C. Reagan-National

Sun 12/14

6:59 am-1:06 pm

1 stop8h 07m

$390

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Wed 4/15

6:30 am-4:17 pm

1 stop7h 47m

Washington, D.C. Reagan-National

Tue 4/21

5:30 pm-11:52 pm

1 stop8h 22m

$390

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 4/16

6:30 am-4:17 pm

1 stop7h 47m

Washington, D.C. Reagan-National

Sat 4/25

5:10 pm-11:50 pm

1 stop8h 40m

$390

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Tue 4/14

10:00 am-9:56 pm

1 stop9h 56m

Washington, D.C. Reagan-National

Wed 4/22

8:00 am-2:27 pm

1 stop8h 27m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 19 results
1
2

Compare providers for flights from Boise to Reagan-National

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 Boise to Reagan-National in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 Boise-Washington, D.C. Reagan-National Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boise-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust eDreams the most. eDreams 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 Boise-Washington, D.C. Reagan-National Airport 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 Boise to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Boise 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 Boise to Washington, D.C. Reagan-National Airport

How far ahead should I book a flight from Boise to Washington, D.C. Reagan-National Airport?

Use this chart to determine the optimal time to book a round-trip flight from Boise to Reagan-National. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Boise to Washington, D.C. Reagan-National Airport, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, July is the cheapest month in which you can book a flight from Boise to Washington, D.C. Reagan-National Airport (average of $197). Flying from Boise to Washington, D.C. Reagan-National Airport in December is currently the most expensive (average of $475). 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 BOI to DCA?

Find hourly flight availability from Boise 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 October 27, 2025.

One of the essential ways to save on airfare from Boise to Washington, D.C. Reagan-National Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 28% on airfare.

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 October 27, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Boise to Washington, D.C. Reagan-National Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

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

    Located just 3.3 mi from the city center, Boise Air Term. Gowen Fld is the airport most travelers will use when flying to Washington, D.C. Reagan-National from Boise. Booking flights from Air Term. Gowen Fld (BOI) to Washington, D.C. Reagan-National should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Reagan-National from 5 different airlines.

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

    A quick flight from Boise to Washington, D.C. Reagan-National Airport can take about 6h 52m. Alaska Airlines provides one of the quickest options available for as low as $356. Boise and Washington, D.C. Reagan-National Airport 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 Boise to Washington, D.C. Reagan-National Airport round-trip?

    Delta, at $249, was found to be the cheapest airline from Boise to Washington, D.C. Reagan-National Airport.Alternate airlines to your destination round-trip include Alaska Airlines and American Airlines. These flights start at 52% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise 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 Boise to Washington, D.C. Reagan-National Airport?

    Currently, July is the cheapest month in which you can book a flight from Boise to Washington, D.C. Reagan-National Airport (average of $197). Flying from Boise to Washington, D.C. Reagan-National Airport in December is currently the most expensive (average of $475). 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Springfield
Silver Spring
Hanover
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf

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.

Top 5 airlines flying from Boise to Reagan-National

Discover the top 5 airlines that operate flights from Boise 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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$249Average$503FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$300Average$392FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$300Average$484FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$349Average$556FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$403Average$548FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.