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Cheap flights from Boise to Washington, D.C. from $83

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Washington, D.C. departing on 11/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Frontier Logo
12:44 pm - 1:06 pmBOI-DCA
22h 22m1 stop
Frontier Logo
6:00 pm - 11:49 amDCA-BOI
19h 49m1 stop
$143Frontier
Find Deal
Sun, Dec 7 - Wed, Dec 10
Multiple Airlines Logo
10:10 am - 9:59 pmBOI-DCA
33h 49m2 stops
Multiple Airlines Logo
2:00 pm - 11:59 amDCA-BOI
23h 59m1 stop
$221Multiple Airlines
Find Deal
Mon, Feb 2 - Sat, Feb 7
Delta Logo
5:50 am - 4:01 pmBOI-DCA
8h 11m1 stop
Delta Logo
6:58 pm - 12:09 amDCA-BOI
7h 11m1 stop
$351Delta
Find Deal
Mon, Dec 15 - Wed, Dec 17
Southwest Logo
6:10 am - 4:50 pmBOI-DCA
8h 40m1 stop
Southwest Logo
12:55 pm - 8:40 pmDCA-BOI
9h 45m2 stops
$356Southwest
Find Deal
Mon, Dec 15 - Wed, Dec 17
American Airlines Logo
11:15 am - 8:00 pmBOI-DCA
6h 45m1 stop
American Airlines Logo
6:30 am - 12:34 pmDCA-BOI
8h 04m1 stop
$357American Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 4
Southwest Logo
5:15 am - 3:00 pmBOI-DCA
7h 45m2 stops
Southwest Logo
2:40 pm - 11:10 pmDCA-BOI
10h 30m2 stops
$361Southwest
Find Deal
Mon, Dec 15 - Wed, Dec 17
Delta Logo
6:00 am - 6:34 pmBOI-DCA
10h 34m2 stops
Delta Logo
6:59 am - 12:54 pmDCA-BOI
7h 55m1 stop
$362Delta
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Thu, Nov 27 - Thu, Dec 4
United Airlines Logo
12:45 pm - 11:59 pmBOI-DCA
9h 14m1 stop
United Airlines Logo
6:30 am - 11:39 amDCA-BOI
7h 09m1 stop
$481United Airlines
Find Deal
Fri, Nov 21 - Tue, Nov 25
United Airlines Logo
8:17 am - 7:07 pmBOI-DCA
8h 50m1 stop
United Airlines Logo
7:00 am - 1:44 pmDCA-BOI
8h 44m1 stop
$625United Airlines
Find Deal
Wed, Nov 12 - Sat, Nov 15
American Airlines Logo
1:20 pm - 11:00 pmBOI-DCA
7h 40m1 stop
American Airlines Logo
6:00 am - 12:40 pmDCA-BOI
8h 40m1 stop
$637American Airlines
Find Deal
Fri, Mar 13 - Fri, Mar 20

United Airlines flights from Boise to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Boise to Washington, D.C. Reagan-National Airport flight tickets
United Airlines
Nov 21
BOI12:45 pmBoise Air Term. Gowen Fld
9h 14m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
Nov 25
DCA6:30 amWashington, D.C. Reagan-National
7h 09m
1 stop
BOI11:39 amBoise Air Term. Gowen Fld
$481
Find similar
United Airlines
Nov 12
BOI8:17 amBoise Air Term. Gowen Fld
8h 50m
1 stop
DCA7:07 pmWashington, D.C. Reagan-National
Nov 15
DCA7:00 amWashington, D.C. Reagan-National
8h 44m
1 stop
BOI1:44 pmBoise Air Term. Gowen Fld
$625
Find similar
United Airlines
Nov 13
BOI5:00 amBoise Air Term. Gowen Fld
12h 07m
2 stops
DCA7:07 pmWashington, D.C. Reagan-National
Nov 17
DCA10:05 amWashington, D.C. Reagan-National
14h 40m
2 stops
BOI10:45 pmBoise Air Term. Gowen Fld
$882
Find similar

Delta flights from Boise to Washington, D.C. Reagan-National Airport

Our best Delta deals on Boise to Washington, D.C. Reagan-National Airport flight tickets
Delta
Dec 15
BOI5:50 amBoise Air Term. Gowen Fld
8h 11m
1 stop
DCA4:01 pmWashington, D.C. Reagan-National
Dec 17
DCA6:58 pmWashington, D.C. Reagan-National
7h 11m
1 stop
BOI12:09 amBoise Air Term. Gowen Fld
$351
Find similar
Delta
Nov 27
BOI6:00 amBoise Air Term. Gowen Fld
10h 34m
2 stops
DCA6:34 pmWashington, D.C. Reagan-National
Dec 4
DCA6:59 amWashington, D.C. Reagan-National
7h 55m
1 stop
BOI12:54 pmBoise Air Term. Gowen Fld
$362
Find similar
Delta
Dec 12
BOI3:13 pmBoise Air Term. Gowen Fld
6h 24m
1 stop
DCA11:37 pmWashington, D.C. Reagan-National
Dec 14
DCA4:55 pmWashington, D.C. Reagan-National
9h 09m
1 stop
BOI12:04 amBoise Air Term. Gowen Fld
$391
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boise to Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated October 31, 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

Fly to

Route

Depart

Return

Price

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Sun 12/7

12:44 pm-1:06 pm

1 stop22h 22m

Washington, D.C. Reagan-National

Wed 12/10

6:00 pm-11:49 am

1 stop19h 49m

$143

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Mon 2/2

10:10 am-9:59 pm

2 stops33h 49m

Washington, D.C. Reagan-National

Sat 2/7

2:00 pm-11:59 am

1 stop23h 59m

$221

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Mon 12/15

5:50 am-4:01 pm

1 stop8h 11m

Washington, D.C. Reagan-National

Wed 12/17

6:58 pm-12:09 am

1 stop7h 11m

$351

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Mon 12/15

6:10 am-4:50 pm

1 stop8h 40m

Washington, D.C. Reagan-National

Wed 12/17

12:55 pm-8:40 pm

2 stops9h 45m

$356

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 11/27

11:15 am-8:00 pm

1 stop6h 45m

Washington, D.C. Reagan-National

Thu 12/4

6:30 am-12:34 pm

1 stop8h 04m

$357

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Mon 12/15

5:15 am-3:00 pm

2 stops7h 45m

Washington, D.C. Reagan-National

Wed 12/17

2:40 pm-11:10 pm

2 stops10h 30m

$361

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 11/27

6:00 am-6:34 pm

2 stops10h 34m

Washington, D.C. Reagan-National

Thu 12/4

6:59 am-12:54 pm

1 stop7h 55m

$362

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Fri 11/21

12:45 pm-11:59 pm

1 stop9h 14m

Washington, D.C. Reagan-National

Tue 11/25

6:30 am-11:39 am

1 stop7h 09m

$481

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Wed 11/12

8:17 am-7:07 pm

1 stop8h 50m

Washington, D.C. Reagan-National

Sat 11/15

7:00 am-1:44 pm

1 stop8h 44m

$625

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Fri 3/13

1:20 pm-11:00 pm

1 stop7h 40m

Washington, D.C. Reagan-National

Fri 3/20

6:00 am-12:40 pm

1 stop8h 40m

$637

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Boise to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of November is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Boise, with most prices found around $426. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of November, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $427.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Boise to Washington, D.C. Reagan-National Airport is on a Saturday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Saturday will often find tickets for as low as $532. Flights from Boise to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $699. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Boise to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the evening. Our users have found flights to Washington, D.C. Reagan-National Airport in the evening for as low as $453. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the morning when prices are around $634.

How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $527 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Boise for as low as $224 on momondo.

How have Boise to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of October 2025, prices for Boise to Washington, D.C. Reagan-National Airport flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from Boise to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to Washington, D.C. Reagan-National Airport (BOI to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to Washington, D.C. Reagan-National Airport

Direct flights

None
There are no direct flights from Boise to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Boise to Washington, D.C. Reagan-National Airport.
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  • How far is Boise Air Term. Gowen Fld to Washington, D.C. Reagan-National by plane?

    Washington, D.C. Reagan-National is 2040.8 mi away from Boise Air Term. Gowen Fld. Typically, this will take 6h 24m by plane in normal conditions.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. Reagan-National Airport refresh daily.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. Reagan-National Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boise to Washington, D.C. Reagan-National Airport?

Best airlines flying from Boise to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Boise to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $249Free CancellationRating
7.9
7,996 reviews
Search Delta flights
Alaska AirlinesPriceFrom $300Free CancellationRating
8.0
11,226 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $300Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights
United AirlinesPriceFrom $349Free CancellationRating
7.4
8,994 reviews
Search United Airlines flights
SouthwestPriceFrom $403Free CancellationRating
8.0
4,241 reviews
Search Southwest flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Glen Burnie
Springfield
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Boise to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boise to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boise to Washington, D.C. with flexible booking policies on momondo?

Flights from Boise to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Boise to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Boise. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boise to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boise to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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