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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 1/12. 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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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
Alaska Airlines Logo
6:23 am - 4:26 pm
BOI
-
IAD
8h 03m1 stop
Alaska Airlines Logo
6:04 pm - 12:51 pm
IAD
-
BOI
20h 47m1 stop
$226Alaska Airlines
Wed, Jan 28 - Fri, Feb 6
Alaska Airlines Logo
9:02 am - 9:59 pm
BOI
-
DCA
10h 57m1 stop
Alaska Airlines Logo
8:00 am - 9:05 pm
DCA
-
BOI
15h 05m1 stop
$226Alaska Airlines
Wed, Jan 21 - Wed, Jan 28
Delta Logo
10:41 am - 11:10 pm
BOI
-
IAD
10h 29m1 stop
Delta Logo
7:00 am - 1:05 pm
IAD
-
BOI
8h 05m1 stop
$227Delta
Sat, Mar 7 - Sat, Mar 14
Delta Logo
5:40 am - 3:20 pm
BOI
-
DCA
7h 40m1 stop
Delta Logo
4:44 pm - 11:59 pm
DCA
-
BOI
9h 15m1 stop
$227Delta
Thu, Jan 22 - Thu, Jan 29
Delta Logo
1:40 pm - 11:10 pm
BOI
-
IAD
7h 30m1 stop
Delta Logo
7:00 am - 6:28 pm
IAD
-
BOI
13h 28m2 stops
$232Delta
Thu, Jan 15 - Thu, Jan 22
Delta Logo
7:30 am - 10:00 pm
BOI
-
DCA
12h 30m2 stops
Delta Logo
4:40 pm - 11:53 pm
DCA
-
BOI
9h 13m1 stop
$232Delta
Wed, Mar 4 - Sun, Mar 8
Alaska Airlines Logo
6:28 am - 5:20 pm
BOI
-
IAD
8h 52m1 stop
Alaska Airlines Logo
7:05 am - 11:59 pm
IAD
-
BOI
18h 54m1 stop
$236Alaska Airlines
Sat, Feb 21 - Wed, Feb 25
United Airlines Logo
12:19 pm - 9:21 pm
BOI
-
BWI
7h 02m1 stop
United Airlines Logo
8:42 am - 4:10 pm
BWI
-
BOI
9h 28m1 stop
$284United Airlines
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
2:37 pm - 11:15 pm
BOI
-
BWI
6h 38m1 stop
United Airlines Logo
8:42 am - 4:10 pm
BWI
-
BOI
9h 28m1 stop
$299United Airlines
Thu, Jan 15 - Sat, Jan 17

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

Our best Alaska Airlines deals on Boise to Washington, D.C. flight tickets
Alaska Airlines
Jan 28
BOI11:35 amBoise Air Term. Gowen Fld
26h 51m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
Feb 4
IAD6:04 pmWashington, D.C. Dulles Intl
23h 06m
1 stop
BOI3:10 pmBoise Air Term. Gowen Fld
$226
Find similar
Alaska Airlines
Feb 21
BOI6:28 amBoise Air Term. Gowen Fld
8h 52m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
Feb 25
IAD7:05 amWashington, D.C. Dulles Intl
18h 54m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
$236
Find similar
Alaska Airlines
Jan 15
BOI6:23 amBoise Air Term. Gowen Fld
8h 03m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
Jan 17
IAD6:04 pmWashington, D.C. Dulles Intl
18h 48m
1 stop
BOI10:52 amBoise Air Term. Gowen Fld
$246
Find similar

Delta flights from Boise to Washington, D.C.

Our best Delta deals on Boise to Washington, D.C. flight tickets
Delta
Mar 7
BOI10:41 amBoise Air Term. Gowen Fld
10h 29m
1 stop
IAD11:10 pmWashington, D.C. Dulles Intl
Mar 14
IAD7:00 amWashington, D.C. Dulles Intl
8h 05m
1 stop
BOI1:05 pmBoise Air Term. Gowen Fld
$227
Find similar
Delta
Jan 15
BOI1:40 pmBoise Air Term. Gowen Fld
7h 30m
1 stop
IAD11:10 pmWashington, D.C. Dulles Intl
Jan 22
IAD7:00 amWashington, D.C. Dulles Intl
13h 28m
2 stops
BOI6:28 pmBoise Air Term. Gowen Fld
$232
Find similar
Delta
Jan 22
BOI10:39 amBoise Air Term. Gowen Fld
11h 09m
2 stops
IAD11:48 pmWashington, D.C. Dulles Intl
Jan 29
IAD12:23 pmWashington, D.C. Dulles Intl
13h 36m
2 stops
BOI11:59 pmBoise Air Term. Gowen Fld
$238
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 December 24, 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

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 - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 1/28

6:23 am-4:26 pm

1 stop8h 03m

Washington, D.C. Dulles Intl

Fri 2/6

6:04 pm-12:51 pm

1 stop20h 47m

$226

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Wed 1/21

9:02 am-9:59 pm

1 stop10h 57m

Washington, D.C. Reagan-National

Wed 1/28

8:00 am-9:05 pm

1 stop15h 05m

$226

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Sat 3/7

10:41 am-11:10 pm

1 stop10h 29m

Washington, D.C. Dulles Intl

Sat 3/14

7:00 am-1:05 pm

1 stop8h 05m

$227

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 1/22

5:40 am-3:20 pm

1 stop7h 40m

Washington, D.C. Reagan-National

Thu 1/29

4:44 pm-11:59 pm

1 stop9h 15m

$227

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Thu 1/15

1:40 pm-11:10 pm

1 stop7h 30m

Washington, D.C. Dulles Intl

Thu 1/22

7:00 am-6:28 pm

2 stops13h 28m

$232

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Wed 3/4

7:30 am-10:00 pm

2 stops12h 30m

Washington, D.C. Reagan-National

Sun 3/8

4:40 pm-11:53 pm

1 stop9h 13m

$232

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Sat 2/21

6:28 am-5:20 pm

1 stop8h 52m

Washington, D.C. Dulles Intl

Wed 2/25

7:05 am-11:59 pm

1 stop18h 54m

$236

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sat 1/17

12:19 pm-9:21 pm

1 stop7h 02m

Baltimore/Washington

Wed 1/21

8:42 am-4:10 pm

1 stop9h 28m

$284

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 1/15

2:37 pm-11:15 pm

1 stop6h 38m

Baltimore/Washington

Sat 1/17

8:42 am-4:10 pm

1 stop9h 28m

$299

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 $351.

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 December 2025, prices for Boise to Washington, D.C. flights are approximately 38% 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.

Fastest flight time

6h 11m

Direct flights

None
The fastest flight from Boise to Washington, D.C. takes 6h 11m
There are no direct flights from Boise to Washington, D.C.. There are no popular flight routes from Boise to Washington, D.C..
Search flight deals

  • 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 6h 11m.

  • 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
11,520 reviews
Search Alaska Airlines flights
DeltaPriceFrom $249Free CancellationRating
7.9
8,013 reviews
Search Delta flights
American AirlinesPriceFrom $298Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $300Free CancellationRating
7.4
9,111 reviews
Search United Airlines flights
SouthwestPriceFrom $351Free CancellationRating
8.0
4,255 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
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.?

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