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Cheap flights from Boise to Washington, D.C. from $80

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 5/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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
1:25 pm - 9:58 pm
BOI
-
DCA
6h 33m
1 stop
Frontier Logo
7:00 am - 12:30 pm
DCA
-
BOI
7h 30m
1 stop
$205Frontier
Thu, May 21 - Tue, May 26
Delta Logo
3:23 pm - 11:43 pm
BOI
-
DCA
6h 20m
1 stop
Delta Logo
4:39 pm - 12:17 am
DCA
-
BOI
9h 38m
1 stop
$243Delta
Wed, Apr 15 - Wed, Apr 29
Delta Logo
8:40 pm - 8:37 am
BOI
-
DCA
9h 57m
2 stops
Delta Logo
4:39 pm - 12:17 am
DCA
-
BOI
9h 38m
1 stop
$248Delta
Wed, Apr 15 - Tue, Apr 28
Delta Logo
8:40 pm - 8:37 am
BOI
-
DCA
9h 57m
2 stops
Delta Logo
2:34 pm - 11:57 pm
DCA
-
BOI
11h 23m
2 stops
$253Delta
Wed, Apr 15 - Tue, Apr 28
Frontier Logo
1:22 pm - 9:58 pm
BOI
-
DCA
30h 36m
1 stop
Frontier Logo
6:00 pm - 12:30 pm
DCA
-
BOI
20h 30m
1 stop
$256Frontier
Thu, May 14 - Mon, Jun 1
Delta Logo
3:23 pm - 11:44 pm
BOI
-
DCA
6h 21m
1 stop
Delta Logo
2:55 pm - 8:29 pm
DCA
-
BOI
7h 34m
1 stop
$257Delta
Sat, Apr 25 - Tue, Apr 28
Multiple Airlines Logo
7:43 am - 9:00 pm
BOI
-
DCA
11h 17m
1 stop
Multiple Airlines Logo
7:00 am - 12:27 pm
DCA
-
BOI
7h 27m
1 stop
$261Multiple Airlines
Sat, May 9 - Thu, May 14
Delta Logo
5:40 am - 3:27 pm
BOI
-
DCA
7h 47m
1 stop
Delta Logo
12:30 pm - 9:56 pm
DCA
-
BOI
11h 26m
2 stops
$262Delta
Wed, Apr 15 - Sat, Apr 25
Delta Logo
8:40 pm - 8:37 am
BOI
-
DCA
9h 57m
2 stops
Delta Logo
6:00 am - 2:26 pm
DCA
-
BOI
10h 26m
2 stops
$267Delta
Wed, Apr 15 - Sat, Apr 25
Frontier Logo
1:22 pm - 12:59 pm
BOI
-
DCA
21h 37m
1 stop
Frontier Logo
7:00 am - 12:27 pm
DCA
-
BOI
7h 27m
1 stop
$270Frontier
Thu, May 14 - Sun, May 17

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

Our best American Airlines deals on Boise to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Apr 20
BOI1:29 pmBoise Air Term. Gowen Fld
8h 28m
1 stop
DCA11:57 pmWashington, D.C. Reagan-National
Apr 23
DCA5:55 amWashington, D.C. Reagan-National
8h 54m
1 stop
BOI12:49 pmBoise Air Term. Gowen Fld
$300
American Airlines
Apr 21
BOI1:29 pmBoise Air Term. Gowen Fld
8h 28m
1 stop
DCA11:57 pmWashington, D.C. Reagan-National
May 1
DCA5:55 amWashington, D.C. Reagan-National
8h 54m
1 stop
BOI12:49 pmBoise Air Term. Gowen Fld
$319
American Airlines
Apr 10
BOI1:53 pmBoise Air Term. Gowen Fld
8h 06m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
Apr 14
DCA6:58 amWashington, D.C. Reagan-National
7h 51m
1 stop
BOI12:49 pmBoise Air Term. Gowen Fld
$521

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

Our best Alaska Airlines deals on Boise to Washington, D.C. Reagan-National Airport flight tickets
Alaska Airlines
Apr 25
BOI7:43 amBoise Air Term. Gowen Fld
11h 17m
1 stop
DCA9:00 pmWashington, D.C. Reagan-National
Apr 29
DCA8:00 amWashington, D.C. Reagan-National
9h 33m
1 stop
BOI3:33 pmBoise Air Term. Gowen Fld
$339
Alaska Airlines
Apr 7
BOI8:07 amBoise Air Term. Gowen Fld
9h 53m
1 stop
DCA8:00 pmWashington, D.C. Reagan-National
Apr 21
DCA8:59 amWashington, D.C. Reagan-National
16h 48m
1 stop
BOI11:47 pmBoise Air Term. Gowen Fld
$658
Alaska Airlines
Apr 7
BOI4:23 pmBoise Air Term. Gowen Fld
21h 37m
1 stop
DCA4:00 pmWashington, D.C. Reagan-National
Apr 21
DCA8:59 amWashington, D.C. Reagan-National
15h 08m
2 stops
BOI10:07 pmBoise Air Term. Gowen Fld
$683

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 March 29, 2026.
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

Cheapest round-trip

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 5/21

1:25 pm-9:58 pm

1 stop6h 33m

Washington, D.C. Reagan-National

Tue 5/26

7:00 am-12:30 pm

1 stop7h 30m

$205

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Wed 4/15

3:23 pm-11:43 pm

1 stop6h 20m

Washington, D.C. Reagan-National

Wed 4/29

4:39 pm-12:17 am

1 stop9h 38m

$243

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Wed 4/15

8:40 pm-8:37 am

2 stops9h 57m

Washington, D.C. Reagan-National

Tue 4/28

4:39 pm-12:17 am

1 stop9h 38m

$248

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Wed 4/15

8:40 pm-8:37 am

2 stops9h 57m

Washington, D.C. Reagan-National

Tue 4/28

2:34 pm-11:57 pm

2 stops11h 23m

$253

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 5/14

1:22 pm-9:58 pm

1 stop30h 36m

Washington, D.C. Reagan-National

Mon 6/1

6:00 pm-12:30 pm

1 stop20h 30m

$256
Quickest round-trip

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Sat 4/25

3:23 pm-11:44 pm

1 stop6h 21m

Washington, D.C. Reagan-National

Tue 4/28

2:55 pm-8:29 pm

1 stop7h 34m

$257

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Sat 5/9

7:43 am-9:00 pm

1 stop11h 17m

Washington, D.C. Reagan-National

Thu 5/14

7:00 am-12:27 pm

1 stop7h 27m

$261

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Wed 4/15

5:40 am-3:27 pm

1 stop7h 47m

Washington, D.C. Reagan-National

Sat 4/25

12:30 pm-9:56 pm

2 stops11h 26m

$262

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Wed 4/15

8:40 pm-8:37 am

2 stops9h 57m

Washington, D.C. Reagan-National

Sat 4/25

6:00 am-2:26 pm

2 stops10h 26m

$267

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 5/14

1:22 pm-12:59 pm

1 stop21h 37m

Washington, D.C. Reagan-National

Sun 5/17

7:00 am-12:27 pm

1 stop7h 27m

$270

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 February is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Boise, with most prices found around $380. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $410.

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 $516 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 March 2026, prices for Boise to Washington, D.C. Reagan-National Airport flights are approximately 42% 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

6h 20m

Direct flights

None
The fastest flight from Boise to Washington, D.C. Reagan-National Airport takes 6h 20m
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.
Search flight deals

  • 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 20m 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 $287Free CancellationRating
7.9
8,358 reviews
Search Delta flights
Alaska AirlinesPriceFrom $300Free CancellationRating
7.9
12,139 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $300Free CancellationRating
7.1
11,531 reviews
Search American Airlines flights
United AirlinesPriceFrom $327Free CancellationRating
7.4
9,514 reviews
Search United Airlines flights
SouthwestPriceFrom $355Free CancellationRating
8.0
4,329 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
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Linthicum Heights
Springfield
Bethesda
Fairfax
College Park

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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