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Cheap flights from Boise to Washington, D.C. from $105

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 1/11. 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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Find the cheapest flights from Boise to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:07 pm - 9:59 pm
BOI
-
DCA
7h 52m1 stop
Frontier Logo
8:00 am - 1:25 pm
DCA
-
BOI
7h 25m1 stop
$203Frontier
Mon, Jan 12 - Thu, Jan 15
Frontier Logo
12:07 pm - 1:01 pm
BOI
-
DCA
22h 54m1 stop
Frontier Logo
8:01 am - 11:17 am
DCA
-
BOI
29h 16m1 stop
$226Frontier
Fri, Jan 9 - Sun, Jan 11
Multiple Airlines Logo
11:35 am - 9:59 pm
BOI
-
DCA
8h 24m1 stop
Multiple Airlines Logo
8:00 am - 1:25 pm
DCA
-
BOI
7h 25m1 stop
$270Multiple Airlines
Sat, Jan 17 - Mon, Jan 19
Frontier Logo
12:07 pm - 9:59 pm
BOI
-
DCA
7h 52m1 stop
Frontier Logo
6:00 pm - 11:17 am
DCA
-
BOI
19h 17m1 stop
$277Frontier
Fri, Jan 9 - Sun, Jan 11
Delta Logo
5:40 am - 3:20 pm
BOI
-
DCA
7h 40m1 stop
Delta Logo
4:45 pm - 11:59 pm
DCA
-
BOI
9h 14m1 stop
$287Delta
Wed, Mar 4 - Sun, Mar 8
Delta Logo
7:30 am - 11:28 pm
BOI
-
DCA
13h 58m2 stops
Delta Logo
4:45 pm - 11:59 pm
DCA
-
BOI
9h 14m1 stop
$292Delta
Wed, Mar 4 - Sun, Mar 8
Delta Logo
10:25 am - 10:57 pm
BOI
-
DCA
10h 32m2 stops
Delta Logo
9:54 am - 8:12 pm
DCA
-
BOI
12h 18m2 stops
$298Delta
Sat, Jan 10 - Thu, Jan 15
United Airlines Logo
12:19 pm - 9:00 pm
BOI
-
DCA
6h 41m1 stop
United Airlines Logo
7:00 am - 4:10 pm
DCA
-
BOI
11h 10m1 stop
$322United Airlines
Sat, Jan 10 - Thu, Jan 15
Multiple Airlines Logo
12:07 pm - 1:02 pm
BOI
-
DCA
22h 55m1 stop
Multiple Airlines Logo
2:00 pm - 9:20 am
DCA
-
BOI
21h 20m2 stops
$326Multiple Airlines
Mon, Jan 12 - Thu, Jan 15
Delta Logo
5:20 am - 6:59 pm
BOI
-
DCA
11h 39m2 stops
Delta Logo
4:45 pm - 11:59 pm
DCA
-
BOI
9h 14m1 stop
$329Delta
Wed, Mar 4 - Wed, Mar 11

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

Our best Frontier deals on Boise to Washington, D.C. Reagan-National Airport flight tickets
Frontier
Jan 12
BOI12:07 pmBoise Air Term. Gowen Fld
7h 52m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Jan 15
DCA8:00 amWashington, D.C. Reagan-National
7h 25m
1 stop
BOI1:25 pmBoise Air Term. Gowen Fld
$203
Find similar
Frontier
Jan 9
BOI12:07 pmBoise Air Term. Gowen Fld
22h 54m
1 stop
DCA1:01 pmWashington, D.C. Reagan-National
Jan 11
DCA8:01 amWashington, D.C. Reagan-National
29h 16m
1 stop
BOI11:17 amBoise Air Term. Gowen Fld
$226
Find similar
Frontier
Jan 9
BOI12:07 pmBoise Air Term. Gowen Fld
7h 52m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Jan 11
DCA6:00 pmWashington, D.C. Reagan-National
19h 17m
1 stop
BOI11:17 amBoise Air Term. Gowen Fld
$277
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
Mar 4
BOI5:40 amBoise Air Term. Gowen Fld
7h 40m
1 stop
DCA3:20 pmWashington, D.C. Reagan-National
Mar 8
DCA4:45 pmWashington, D.C. Reagan-National
9h 14m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
$287
Find similar
Delta
Mar 4
BOI7:30 amBoise Air Term. Gowen Fld
13h 58m
2 stops
DCA11:28 pmWashington, D.C. Reagan-National
Mar 8
DCA4:45 pmWashington, D.C. Reagan-National
9h 14m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
$292
Find similar
Delta
Jan 10
BOI10:25 amBoise Air Term. Gowen Fld
10h 32m
2 stops
DCA10:57 pmWashington, D.C. Reagan-National
Jan 15
DCA9:54 amWashington, D.C. Reagan-National
12h 18m
2 stops
BOI8:12 pmBoise Air Term. Gowen Fld
$298
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 December 18, 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

Mon 1/12

12:07 pm-9:59 pm

1 stop7h 52m

Washington, D.C. Reagan-National

Thu 1/15

8:00 am-1:25 pm

1 stop7h 25m

$203

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Fri 1/9

12:07 pm-1:01 pm

1 stop22h 54m

Washington, D.C. Reagan-National

Sun 1/11

8:01 am-11:17 am

1 stop29h 16m

$226

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Sat 1/17

11:35 am-9:59 pm

1 stop8h 24m

Washington, D.C. Reagan-National

Mon 1/19

8:00 am-1:25 pm

1 stop7h 25m

$270

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Fri 1/9

12:07 pm-9:59 pm

1 stop7h 52m

Washington, D.C. Reagan-National

Sun 1/11

6:00 pm-11:17 am

1 stop19h 17m

$277

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Wed 3/4

5:40 am-3:20 pm

1 stop7h 40m

Washington, D.C. Reagan-National

Sun 3/8

4:45 pm-11:59 pm

1 stop9h 14m

$287

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Wed 3/4

7:30 am-11:28 pm

2 stops13h 58m

Washington, D.C. Reagan-National

Sun 3/8

4:45 pm-11:59 pm

1 stop9h 14m

$292

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Sat 1/10

10:25 am-10:57 pm

2 stops10h 32m

Washington, D.C. Reagan-National

Thu 1/15

9:54 am-8:12 pm

2 stops12h 18m

$298

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Sat 1/10

12:19 pm-9:00 pm

1 stop6h 41m

Washington, D.C. Reagan-National

Thu 1/15

7:00 am-4:10 pm

1 stop11h 10m

$322

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Mon 1/12

12:07 pm-1:02 pm

1 stop22h 55m

Washington, D.C. Reagan-National

Thu 1/15

2:00 pm-9:20 am

2 stops21h 20m

$326

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Wed 3/4

5:20 am-6:59 pm

2 stops11h 39m

Washington, D.C. Reagan-National

Wed 3/11

4:45 pm-11:59 pm

1 stop9h 14m

$329

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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 typical price of a round-trip flight between Boise and Washington, D.C. Reagan-National Airport?

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 $410. 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 $533 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 December 2025, prices for Boise to Washington, D.C. Reagan-National Airport flights are approximately 13% 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

Fastest flight time

7h 40m

Direct flights

None
The fastest flight from Boise to Washington, D.C. Reagan-National Airport takes 7h 40m
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 7h 40m 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
8,005 reviews
Search Delta flights
Alaska AirlinesPriceFrom $300Free CancellationRating
8.0
11,477 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $300Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $349Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
SouthwestPriceFrom $403Free CancellationRating
7.9
4,250 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
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
Bethesda

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.

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