How long is the flight from Boise to Washington, D.C.?

For as low as $303, United Airlines can have you in Washington, D.C. from Boise in 6h 35m. The distance between Boise and Washington, D.C. is about 2019 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Boise to Washington, D.C. round-trip?

According to our current data, Delta ($176), Alaska Airlines ($245), and American Airlines ($277) offers the cheapest pricing from Boise to Washington, D.C.. You may be able to fly from Boise to Washington, D.C. for 60% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Boise to Washington, D.C. one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $80. Delta flights start at $125 while deals on American Airlines start at $131 one-way.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from Boise to Washington, D.C.?

While some choose either Boise Air Term. Gowen Fld - Washington, D.C. Reagan-National or Boise Air Term. Gowen Fld - Baltimore/Washington, Boise Air Term. Gowen Fld - Washington, D.C. Dulles Intl is the most popular route from Boise to Washington, D.C..

What are the most popular airlines that fly from Boise to Washington, D.C.?

Consider Delta, United Airlines or American Airlines when booking your flight. These represent the most popular airlines when flying from Boise to Washington, D.C..

What is the cheapest time of day to fly from BOI to WAS?

When flying from Boise to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Boise-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Boise-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Boise to Washington, D.C.?

Most people fly from Boise Air Term. Gowen Fld (BOI) if they book a flight from Boise to Washington, D.C.. On average, Air Term. Gowen Fld has 0 outbound flights to Washington, D.C. per day from 5 airlines. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

Can I find deals for flights from Boise to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Boise to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Boise to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Washington, D.C..

Can I find deals for business class flights from Boise to Washington, D.C.?

Yes. Cheapflights offers flight deals from Boise to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$127+ Cheap Flights from Boise to Washington, D.C.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Boise to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Boise to Washington, D.C.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Boise to Washington, D.C.
Explore the most affordable flight options available from Boise to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2026.

Thu 9/312:24 pm -

1 stop7h 35m

Tue 9/87:00 am -

1 stop7h 29m

Deal found 8/4

$204

Thu 8/2712:24 pm -

1 stop7h 35m

Sat 9/56:00 pm -

1 stop19h 29m

Deal found 8/6

$205

Thu 9/102:50 pm -

1 stop13h 30m

Mon 9/146:00 am -

1 stop9h 55m

Deal found 8/2

$242

Thu 10/12:50 pm -

1 stop13h 30m

Mon 10/56:00 am -

1 stop9h 55m

Deal found 8/2

$272

Thu 9/172:50 pm -

1 stop13h 30m

Mon 9/216:00 am -

1 stop9h 55m

Deal found 8/4

$282

Fri 9/182:50 pm -

1 stop13h 30m

Mon 9/216:00 am -

1 stop9h 55m

Deal found 8/2

$289

Wed 9/212:23 pm -

1 stop9h 36m

Tue 9/156:47 pm -

1 stop7h 12m

Deal found 8/4

$303

Tue 9/223:21 pm -

1 stop6h 38m

Tue 9/298:40 am -

1 stop7h 51m

Deal found 8/2

$303

Thu 8/2711:10 pm -

1 stop9h 47m

Wed 9/26:00 am -

1 stop8h 49m

Deal found 8/5

$303

Wed 9/25:30 am -

1 stop6h 27m

Tue 9/156:10 am -

2 stops11h 06m

Deal found 8/4

$308

Wed 9/22:44 pm -

1 stop6h 35m

Sun 9/65:26 pm -

1 stop7h 14m

Deal found 8/6

$310

Sat 9/261:50 pm -

1 stop8h 09m

Mon 9/286:30 am -

1 stop10h 01m

Deal found 8/2

$310

Best flights from Boise to Washington, D.C.
Discover carefully curated flight deals from Boise to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 7, 2026.

Sat 8/292:44 pm -

1 stop6h 35m

Sun 9/66:30 am -

1 stop9h 08m

Deal found 8/4

$303

Thu 8/271:59 pm -

1 stop8h 35m

Wed 9/26:00 am -

1 stop9h 42m

Deal found 8/5

$303

Wed 9/163:21 pm -

1 stop6h 38m

Wed 9/237:42 am -

1 stop8h 49m

Deal found 8/6

$303

Wed 9/161:15 pm -

1 stop15h 15m

Wed 9/237:15 pm -

1 stop16h 41m

Deal found 8/6

$323

Mon 10/195:15 pm -

1 stop10h 30m

Fri 10/236:15 pm -

1 stop9h 25m

Deal found 8/6

$336

Thu 10/2212:08 pm -

1 stop8h 41m

Mon 10/267:05 am -

1 stop10h 15m

Deal found 8/3

$303

Wed 8/268:23 am -

1 stop8h 19m

Mon 8/318:00 am -

1 stop9h 31m

Deal found 8/2

$303

Wed 10/1412:08 pm -

1 stop8h 41m

Thu 10/157:05 am -

1 stop10h 15m

Deal found 8/5

$303

Sat 9/194:20 pm -

1 stop11h 20m

Tue 9/225:57 pm -

1 stop17h 59m

Deal found 8/2

$343

Fri 8/2112:10 pm -

1 stop9h 45m

Mon 8/244:35 pm -

2 stops9h 00m

Deal found 8/3

$344

Thu 9/35:30 am -

1 stop6h 27m

Sat 9/126:15 am -

1 stop9h 14m

Deal found 8/5

$303

Thu 9/107:30 am -

1 stop13h 25m

Mon 9/144:10 pm -

1 stop8h 30m

Deal found 8/2

$346

Sat 9/264:20 pm -

1 stop11h 20m

Mon 9/287:47 pm -

1 stop20h 15m

Deal found 8/2

$347

Fri 8/2812:24 pm -

1 stop6h 56m

Sun 8/308:15 am -

1 stop7h 23m

Deal found 8/2

$351

Wed 8/265:30 am -

2 stops12h 20m

Mon 8/316:05 am -

1 stop9h 37m

Deal found 8/2

$308

Thu 9/34:17 pm -

1 stop12h 13m

Tue 9/87:15 pm -

1 stop16h 41m

Deal found 8/6

$351

Wed 10/2812:55 pm -

2 stops9h 00m

Sat 10/318:10 am -

2 stops12h 15m

Deal found 8/6

$361

Sat 8/295:30 am -

2 stops13h 53m

Sun 9/66:15 am -

2 stops9h 27m

Deal found 8/4

$313

Thu 10/154:18 pm -

1 stop11h 22m

Sat 10/177:02 am -

1 stop10h 21m

Deal found 8/4

$371

Tue 11/312:00 pm -

1 stop8h 30m

Wed 11/46:25 am -

1 stop7h 05m

Deal found 8/5

$413

Fri 8/281:59 pm -

1 stop8h 35m

Sun 9/66:00 am -

1 stop9h 42m

Deal found 8/3

$327

Wed 9/1612:35 pm -

2 stops9h 20m

Wed 9/236:00 am -

2 stops15h 50m

Deal found 8/6

$397

Sat 9/2612:26 pm -

1 stop6h 48m

Mon 9/2812:57 pm -

2 stops13h 02m

Deal found 8/4

$418

Mon 10/1910:34 am -

1 stop10h 15m

Fri 10/237:23 am -

1 stop7h 12m

Deal found 8/6

$327

Mon 8/3112:10 pm -

1 stop9h 45m

Fri 9/44:35 pm -

2 stops8h 05m

Deal found 8/3

$422

Thu 12/311:43 pm -

1 stop8h 43m

Tue 1/57:30 am -

2 stops11h 19m

Deal found 8/5

$328

Wed 10/1412:55 pm -

2 stops9h 00m

Thu 10/158:40 pm -

2 stops16h 40m

Deal found 8/5

$437

Mon 10/1911:10 pm -

2 stops10h 42m

Fri 10/238:12 am -

1 stop7h 22m

Deal found 8/6

$341

Sat 9/192:11 pm -

1 stop8h 30m

Tue 9/226:47 pm -

1 stop7h 12m

Deal found 8/4

$342

Thu 10/16:10 am -

1 stop8h 45m

Mon 10/54:20 pm -

2 stops11h 20m

Deal found 8/2

$460

Last-minute flights from Boise to Washington, D.C.
Discover last-minute flight deals from Boise to Washington, D.C.. Data last updated August 7, 2026 and is based on user searches.

Thu 8/2712:24 pm -

1 stop7h 35m

Sat 9/56:00 pm -

1 stop19h 29m

Deal found 8/6

$205

Thu 8/2711:10 pm -

1 stop9h 47m

Wed 9/26:00 am -

1 stop8h 49m

Deal found 8/5

$303

Wed 9/212:23 pm -

1 stop9h 36m

Tue 9/156:47 pm -

1 stop7h 12m

Deal found 8/4

$303

Wed 9/25:30 am -

1 stop6h 27m

Tue 9/156:10 am -

2 stops11h 06m

Deal found 8/4

$308

Wed 9/22:44 pm -

1 stop6h 35m

Sun 9/65:26 pm -

1 stop7h 14m

Deal found 8/6

$310

Thu 9/312:24 pm -

1 stop7h 35m

Tue 9/87:00 am -

1 stop7h 29m

Deal found 8/4

$204

Tue 9/81:24 pm -

1 stop20h 47m

Thu 9/105:27 pm -

1 stop8h 28m

Deal found 8/6

$293

Tue 9/81:24 pm -

1 stop20h 47m

Fri 9/1110:59 am -

1 stop11h 21m

Deal found 8/6

$307

Thu 9/102:50 pm -

1 stop13h 30m

Mon 9/146:00 am -

1 stop9h 55m

Deal found 8/2

$242

Thu 9/172:50 pm -

1 stop13h 30m

Mon 9/216:00 am -

1 stop9h 55m

Deal found 8/4

$282

Fri 9/182:50 pm -

1 stop13h 30m

Mon 9/216:00 am -

1 stop9h 55m

Deal found 8/2

$289

Tue 9/223:21 pm -

1 stop6h 38m

Tue 9/298:40 am -

1 stop7h 51m

Deal found 8/2

$303

One-way flights from Boise to Washington, D.C.
Search for one-way flight options from Boise to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.

Mon 10/52:50 pm -

1 stop13h 30m

Deal found 8/5

$127

Sun 8/2312:24 pm -

1 stop22h 27m

Deal found 8/5

$128

Thu 8/2712:12 pm -

1 stop8h 40m

Deal found 8/2

$152

Sat 8/291:59 pm -

1 stop7h 49m

Deal found 8/4

$152

Thu 8/271:59 pm -

1 stop7h 30m

Deal found 8/5

$152

Sat 8/296:00 am -

1 stop7h 40m

Deal found 8/5

$162

Mon 10/124:18 pm -

1 stop11h 02m

Deal found 8/5

$168

Fri 9/252:50 pm -

1 stop13h 30m

Deal found 8/5

$173

Fri 8/2812:24 pm -

1 stop6h 56m

Deal found 8/5

$176

Fri 9/43:19 pm -

1 stop6h 40m

Deal found 8/6

$176

Tue 9/156:00 am -

2 stops9h 55m

Deal found 8/5

$177

Thu 8/131:59 pm -

1 stop8h 35m

Deal found 8/6

$182

Find flight deals from Boise to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$204 (Expedia)
One-way from	$127 (Expedia)
Popular in	July
Cheapest in	February
Average price	$397

Provider with most accurate pricing for Boise Air Term. Gowen Fld-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Washington, D.C. (WAS) flights.

Search Deals

From Boise Air Term. Gowen Fld to Washington, D.C. (WAS)

Search Deals

One-way flight from Boise Air Term. Gowen Fld to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($101 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights Fare Finder

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

Cheapest round-trip

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - IAD Washington, D.C. Dulles Intl

BOIIAD

Boise Air Term. Gowen Fld

Sat 8/29

2:44 pm-11:19 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

Sun 9/6

6:30 am-1:38 pm

1 stop9h 08m

$303

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - IAD Washington, D.C. Dulles Intl

BOIIAD

Boise Air Term. Gowen Fld

Thu 8/27

1:59 pm-12:34 am

1 stop8h 35m

Washington, D.C. Dulles Intl

Wed 9/2

6:00 am-1:42 pm

1 stop9h 42m

$303

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - DCA Washington, D.C. Reagan-National

BOIDCA

Boise Air Term. Gowen Fld

Wed 9/16

3:21 pm-11:59 pm

1 stop6h 38m

Washington, D.C. Reagan-National

Wed 9/23

7:42 am-2:31 pm

1 stop8h 49m

$303

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - IAD Washington, D.C. Dulles Intl

BOIIAD

Boise Air Term. Gowen Fld

Thu 10/22

12:08 pm-10:49 pm

1 stop8h 41m

Washington, D.C. Dulles Intl

Mon 10/26

7:05 am-3:20 pm

1 stop10h 15m

$303

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Wed 8/26

8:23 am-6:42 pm

1 stop8h 19m

Baltimore/Washington

Mon 8/31

8:00 am-3:31 pm

1 stop9h 31m

$303

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - IAD Washington, D.C. Dulles Intl

BOIIAD

Boise Air Term. Gowen Fld

Wed 10/14

12:08 pm-10:49 pm

1 stop8h 41m

Washington, D.C. Dulles Intl

Thu 10/15

7:05 am-3:20 pm

1 stop10h 15m

$303

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Thu 9/3

5:30 am-1:57 pm

1 stop6h 27m

Baltimore/Washington

Sat 9/12

6:15 am-1:29 pm

1 stop9h 14m

$303

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Wed 8/26

5:30 am-7:50 pm

2 stops12h 20m

Baltimore/Washington

Mon 8/31

6:05 am-1:42 pm

1 stop9h 37m

$308

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Sat 8/29

5:30 am-9:23 pm

2 stops13h 53m

Baltimore/Washington

Sun 9/6

6:15 am-1:42 pm

2 stops9h 27m

$313

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Wed 9/16

1:15 pm-6:30 am

1 stop15h 15m

Baltimore/Washington

Wed 9/23

7:15 pm-9:56 am

1 stop16h 41m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/5

Showing 1-10 of 58 resultsSorted by cheapest first

...

Compare providers for flights from Boise to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Washington, D.C. in August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Boise-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Boise-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boise to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Boise with our price prediction graph.

BOI-WAS

BOI-IAD

BOI-DCA

BOI-BWI

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boise to Washington, D.C.

BOI-WAS

BOI-IAD

BOI-DCA

BOI-BWI

What is the cheapest month to book a flight from Boise to Washington, D.C.?

Currently, February is the cheapest month in which you can book a flight from Boise to Washington, D.C. (average of $380). Flying from Boise to Washington, D.C. in December is currently the most expensive (average of $570). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Boise to Washington, D.C.?

Airfare is below average for this route at the moment.

Boise to Washington, D.C. flights typically cost between $296 and $477 in September.
The cheapest round-trip price found within the last 5 days was $204 on Frontier (Sep 3-Sep 8).

How far ahead should I book a flight from Boise to Washington, D.C.?

The best time to book flights from Boise to Washington, D.C. is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Boise to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,218 reviews

Reviews

1 / 20

8.0

Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Southwest

8.0

Very good

4,218 reviews

Southwest

8.0

Very good

4,218 reviews

Reviews

1 / 20

8.0

Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Alaska Airlines

7.9

Good

12,772 reviews

Southwest

8.0

Very good

4,218 reviews

Reviews

1 / 20

8.0

Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Delta

7.8

Good

8,493 reviews

Southwest

8.0

Very good

4,218 reviews

Reviews

1 / 20

8.0

Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

United Airlines

7.4

Good

10,073 reviews

Southwest

8.0

Very good

4,218 reviews

Reviews

1 / 20

8.0

Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

American Airlines

7.1

Good

11,866 reviews

Southwest

8.0

Very good

4,218 reviews

Reviews

1 / 20

8.0

Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Related info for your journey

What airport do you fly from for flights from Boise to Washington, D.C.?
Most people fly from Boise Air Term. Gowen Fld (BOI) if they book a flight from Boise to Washington, D.C.. On average, Air Term. Gowen Fld has 0 outbound flights to Washington, D.C. per day from 5 airlines. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.
How long is the flight from Boise to Washington, D.C.?
For as low as $303, United Airlines can have you in Washington, D.C. from Boise in 6h 35m. The distance between Boise and Washington, D.C. is about 2019 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Boise to Washington, D.C. round-trip?
According to our current data, Delta ($176), Alaska Airlines ($245), and American Airlines ($277) offers the cheapest pricing from Boise to Washington, D.C.. You may be able to fly from Boise to Washington, D.C. for 60% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Boise to Washington, D.C. one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $80. Delta flights start at $125 while deals on American Airlines start at $131 one-way.
What are the most popular routes from Boise to Washington, D.C.?
While some choose either Boise Air Term. Gowen Fld - Washington, D.C. Reagan-National or Boise Air Term. Gowen Fld - Baltimore/Washington, Boise Air Term. Gowen Fld - Washington, D.C. Dulles Intl is the most popular route from Boise to Washington, D.C..
Can I find deals for flights from Boise to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Boise to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boise to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Washington, D.C..
Can I find deals for business class flights from Boise to Washington, D.C.?
Yes. Cheapflights offers flight deals from Boise to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Boise to Washington, D.C.?
Currently, February is the cheapest month in which you can book a flight from Boise to Washington, D.C. (average of $380). Flying from Boise to Washington, D.C. in December is currently the most expensive (average of $570). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Alexandria

Owings Mills

Arlington

Tysons

Springfield

Lanham

Reston

Herndon

Rockville

Hyattsville

Fredericksburg

Falls Church

Hanover

Laurel

Clinton

Oxon Hill

Hunt Valley

Woodbridge

Silver Spring

Largo

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Other flights from Boise

Popular flights

Top destinations

Washington, D.C. flight routes

Alternative routes for Boise to Washington, D.C.

Spokane to Dulles Intl flights

Boise to Dulles Intl flights

Boise to Reagan-National flights

Spokane to Reagan-National flights

Jackson to Dulles Intl flights

Lewiston to Reagan-National flights

Lewiston to Dulles Intl flights

Top 5 airlines flying from Boise to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$176	Average$395	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$245	Average$461	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$277	Average$491	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$278	Average$541	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$336	Average$492	FlexibilityNo cancel fee	On-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$127+ Cheap flights from Boise (BOI) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boise to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boise to Washington, D.C.

Cheapest flights from Boise to Washington, D.C.Explore the most affordable flight options available from Boise to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2026.

Explore the most affordable flight options available from Boise to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2026.

Best flights from Boise to Washington, D.C.Discover carefully curated flight deals from Boise to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 7, 2026.

Discover carefully curated flight deals from Boise to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 7, 2026.

Last-minute flights from Boise to Washington, D.C.Discover last-minute flight deals from Boise to Washington, D.C.. Data last updated August 7, 2026 and is based on user searches.

Discover last-minute flight deals from Boise to Washington, D.C.. Data last updated August 7, 2026 and is based on user searches.

One-way flights from Boise to Washington, D.C.Search for one-way flight options from Boise to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.

Search for one-way flight options from Boise to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.

Find flight deals from Boise to Washington, D.C.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boise to Washington, D.C. that are best for you.

Compare providers for flights from Boise to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Washington, D.C. in August.

Best time to book a flight from Boise to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Boise with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Boise to Washington, D.C.?

How much does it cost to fly round-trip from Boise to Washington, D.C.?

Airfare is below average for this route at the moment.

Boise to Washington, D.C. flights typically cost between $296 and $477 in September.The cheapest round-trip price found within the last 5 days was $204 on Frontier (Sep 3-Sep 8).

How far ahead should I book a flight from Boise to Washington, D.C.?

The best time to book flights from Boise to Washington, D.C. is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Boise to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Boise to Washington, D.C.?

How long is the flight from Boise to Washington, D.C.?

What are the cheapest airlines flying from Boise to Washington, D.C. round-trip?

What are the cheapest airlines to fly from Boise to Washington, D.C. one-way?

What are the most popular routes from Boise to Washington, D.C.?

Can I find deals for flights from Boise to Washington, D.C. that include hotel bookings?

How can I find direct flights from Boise to Washington, D.C.?

Can I find deals for business class flights from Boise to Washington, D.C.?

What is the cheapest month to book a flight from Boise to Washington, D.C.?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boise to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Washington, D.C. by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Boise to Washington, D.C. by cabin class

Find flights from Boise to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

Boise and Washington, D.C. flights

Browse other Boise and Washington, D.C. flight options. Last updated on August 7, 2026.

Other flights from Boise

Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on August 7, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Boise to Washington, D.C. flights

Consider these flights traveling from Boise to Washington, D.C..

Other flights to Washington, D.C.

Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 7, 2026.

Top 5 airlines flying from Boise to Washington, D.C.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Boise to Washington, D.C.
Explore the most affordable flight options available from Boise to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2026.

Best flights from Boise to Washington, D.C.
Discover carefully curated flight deals from Boise to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 7, 2026.

Last-minute flights from Boise to Washington, D.C.
Discover last-minute flight deals from Boise to Washington, D.C.. Data last updated August 7, 2026 and is based on user searches.

One-way flights from Boise to Washington, D.C.
Search for one-way flight options from Boise to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.

Boise to Washington, D.C. flights typically cost between $296 and $477 in September.
The cheapest round-trip price found within the last 5 days was $204 on Frontier (Sep 3-Sep 8).