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Cheap flights from Boise to Washington, D.C. from $73

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 1/25. 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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0 bags

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Cheap round-trip flights

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Frontier Logo
12:44 pm - 9:59 pmBOI-DCA
7h 15m1 stop
Frontier Logo
2:00 pm - 11:49 amDCA-BOI
23h 49m1 stop
$140Frontier
Find Deal
jue., dic. 4 - jue., dic. 11
Frontier Logo
12:44 pm - 9:59 pmBOI-DCA
7h 15m1 stop
Frontier Logo
8:00 am - 11:49 amDCA-BOI
29h 49m1 stop
$141Frontier
Find Deal
jue., dic. 4 - jue., dic. 11
Delta Logo
1:54 pm - 6:00 amBOI-BWI
14h 06m2 stops
Delta Logo
12:19 pm - 12:04 amBWI-BOI
13h 45m2 stops
$276Delta
Find Deal
vie., dic. 12 - lun., dic. 15
Delta Logo
11:44 am - 11:27 pmBOI-IAD
9h 43m1 stop
Delta Logo
7:15 am - 4:02 pmIAD-BOI
10h 47m1 stop
$287Delta
Find Deal
mié., dic. 3 - mié., dic. 10
Alaska Airlines Logo
8:26 pm - 9:59 pmBOI-DCA
23h 33m1 stop
Alaska Airlines Logo
8:00 am - 3:26 pmDCA-BOI
9h 26m1 stop
$287Alaska Airlines
Find Deal
mié., dic. 3 - mié., dic. 10
Alaska Airlines Logo
12:19 pm - 4:36 pmBOI-IAD
26h 17m1 stop
Alaska Airlines Logo
6:30 pm - 3:26 pmIAD-BOI
22h 56m1 stop
$305Alaska Airlines
Find Deal
mié., dic. 10 - vie., dic. 12
United Airlines Logo
6:35 am - 5:16 pmBOI-BWI
8h 41m1 stop
United Airlines Logo
4:15 pm - 9:25 pmBWI-BOI
7h 10m1 stop
$307United Airlines
Find Deal
mié., dic. 3 - mié., dic. 10
United Airlines Logo
6:35 am - 9:27 pmBOI-BWI
12h 52m2 stops
United Airlines Logo
4:15 pm - 9:25 pmBWI-BOI
7h 10m1 stop
$356United Airlines
Find Deal
mié., dic. 3 - vie., dic. 5
Southwest Logo
5:15 am - 5:00 pmBOI-BWI
9h 45m2 stops
Southwest Logo
2:15 pm - 10:25 pmBWI-BOI
10h 10m2 stops
$382Southwest
Find Deal
mié., dic. 3 - vie., dic. 5
Southwest Logo
7:05 am - 7:40 pmBOI-BWI
10h 35m2 stops
Southwest Logo
9:50 am - 6:20 pmBWI-BOI
10h 30m1 stop
$400Southwest
Find Deal
vie., mar. 6 - lun., mar. 9

Delta flights from Boise to Washington, D.C.

Our best Delta deals on Boise to Washington, D.C. flight tickets
Delta
Dec 12
BOI1:54 pmBoise Air Term. Gowen Fld
14h 06m
2 stops
BWI6:00 amBaltimore/Washington
Dec 15
BWI12:19 pmBaltimore/Washington
13h 45m
2 stops
BOI12:04 amBoise Air Term. Gowen Fld
$276
Find similar
Delta
Dec 3
BOI11:44 amBoise Air Term. Gowen Fld
9h 43m
1 stop
IAD11:27 pmWashington, D.C. Dulles Intl
Dec 10
IAD7:15 amWashington, D.C. Dulles Intl
10h 47m
1 stop
BOI4:02 pmBoise Air Term. Gowen Fld
$287
Find similar
Delta
Dec 12
BOI1:54 pmBoise Air Term. Gowen Fld
7h 33m
1 stop
IAD11:27 pmWashington, D.C. Dulles Intl
Dec 15
IAD12:30 pmWashington, D.C. Dulles Intl
13h 34m
2 stops
BOI12:04 amBoise Air Term. Gowen Fld
$292
Find similar

United Airlines flights from Boise to Washington, D.C.

Our best United Airlines deals on Boise to Washington, D.C. flight tickets
United Airlines
Dec 3
BOI6:35 amBoise Air Term. Gowen Fld
8h 41m
1 stop
BWI5:16 pmBaltimore/Washington
Dec 10
BWI4:15 pmBaltimore/Washington
7h 10m
1 stop
BOI9:25 pmBoise Air Term. Gowen Fld
$307
Find similar
United Airlines
Dec 3
BOI6:35 amBoise Air Term. Gowen Fld
12h 52m
2 stops
BWI9:27 pmBaltimore/Washington
Dec 5
BWI4:15 pmBaltimore/Washington
7h 10m
1 stop
BOI9:25 pmBoise Air Term. Gowen Fld
$356
Find similar
United Airlines
Mar 6
BOI7:00 pmBoise Air Term. Gowen Fld
10h 19m
1 stop
BWI7:19 amBaltimore/Washington
Mar 9
BWI4:02 pmBaltimore/Washington
7h 14m
1 stop
BOI9:16 pmBoise Air Term. Gowen Fld
$395
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boise to Washington, D.C. 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 noviembre 6, 2025.
Use the filters below to find and compare flights from Boise to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

jue. 12/4

12:44 pm-9:59 pm

1 stop7h 15m

Washington, D.C. Reagan-National

jue. 12/11

2:00 pm-11:49 am

1 stop23h 49m

$140

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

jue. 12/4

12:44 pm-9:59 pm

1 stop7h 15m

Washington, D.C. Reagan-National

jue. 12/11

8:00 am-11:49 am

1 stop29h 49m

$141

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

vie. 12/12

1:54 pm-6:00 am

2 stops14h 06m

Baltimore/Washington

lun. 12/15

12:19 pm-12:04 am

2 stops13h 45m

$276

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

mié. 12/3

11:44 am-11:27 pm

1 stop9h 43m

Washington, D.C. Dulles Intl

mié. 12/10

7:15 am-4:02 pm

1 stop10h 47m

$287

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

mié. 12/3

8:26 pm-9:59 pm

1 stop23h 33m

Washington, D.C. Reagan-National

mié. 12/10

8:00 am-3:26 pm

1 stop9h 26m

$287

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

mié. 12/10

12:19 pm-4:36 pm

1 stop26h 17m

Washington, D.C. Dulles Intl

vie. 12/12

6:30 pm-3:26 pm

1 stop22h 56m

$305

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

mié. 12/3

6:35 am-5:16 pm

1 stop8h 41m

Baltimore/Washington

mié. 12/10

4:15 pm-9:25 pm

1 stop7h 10m

$307

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

mié. 12/3

6:35 am-9:27 pm

2 stops12h 52m

Baltimore/Washington

vie. 12/5

4:15 pm-9:25 pm

1 stop7h 10m

$356

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

mié. 12/3

5:15 am-5:00 pm

2 stops9h 45m

Baltimore/Washington

vie. 12/5

2:15 pm-10:25 pm

2 stops10h 10m

$382

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

vie. 3/6

7:05 am-7:40 pm

2 stops10h 35m

Baltimore/Washington

lun. 3/9

9:50 am-6:20 pm

1 stop10h 30m

$400

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.

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.?

The month of August is, on average, the cheapest month to fly to Washington, D.C. from Boise, with most prices found around $293. If you’re not able to fly to Washington, D.C. in August, then February is your next best option. Flight prices from Boise to Washington, D.C. during February average around $361.

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

On average, the least expensive day to fly to Washington, D.C. from Boise is on a Saturday. momondo users have found tickets for Saturday departures for as low as $436. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Boise to Washington, D.C. for around $551.

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

In the afternoon is the cheapest time of day to fly from Boise to Washington, D.C. when you can find flight prices for as low as $433. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $547. Of course, these prices can vary depending on the time of year and what airport you fly to.

How have Boise to Washington, D.C. flight prices changed over time?

As of November 2025, prices for Boise to Washington, D.C. flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from Boise to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Washington, D.C. 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. (BOI to WAS) flight deals and tips

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

Direct flights

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

    There are 2039.5 mi between Boise Air Term. Gowen Fld and Washington, D.C.. A reasonable flight in good conditions will take 5h 55m.

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

    Prices for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. are updated daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boise Air Term. Gowen Fld Airport to Washington, D.C..

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

    The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Boise to Washington, D.C.

Compare and see reviews for airlines that fly from Boise to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $141Free CancellationRating
8.0
11,247 reviews
Search Alaska Airlines flights
DeltaPriceFrom $249Free CancellationRating
7.9
8,001 reviews
Search Delta flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
American AirlinesPriceFrom $300Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
SouthwestPriceFrom $351Free 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
Reston
Manassas
Gaithersburg
Fairfax
Glen Burnie
Linthicum Heights
Springfield

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Boise.

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

All flight searches from Boise to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boise to Washington, D.C..

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

Yes. momondo can track prices for Boise to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport