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

For as low as $307, Frontier can have you in Washington, D.C. from Boise in 10h 07m. 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, Alaska Airlines ($141), Delta ($249), and United Airlines ($278) offers the cheapest pricing from Boise to Washington, D.C.. You may be able to fly from Boise to Washington, D.C. for 66% 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $140. Delta flights start at $141 while deals on United Airlines start at $190 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 - Baltimore/Washington or Boise Air Term. Gowen Fld - Washington, D.C. Reagan-National, 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..

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.

$140+ Cheap Flights from Boise to Washington, D.C.

Q: 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 $330 and $477 in December. The cheapest round-trip price found within the last 3 days was $208 on Frontier (Dec 4-Dec 10).

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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

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

Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Washington, D.C. are usually found in August or February, booked 2 days in advance, depart on a Saturday or Monday and return on a Wednesday

Find 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 October 13, 2025.

Thu 12/412:59 pmBOI - DCA

1 stop7h 00mFrontier

Wed 12/101:00 pmDCA - BOI

1 stop25h 04mFrontier

Deal found 10/12

$208

Fri 12/512:59 pmBOI - DCA

1 stop21h 06mFrontier

Wed 12/101:00 pmDCA - BOI

1 stop25h 04mFrontier

Deal found 10/11

$209

Thu 12/412:59 pmBOI - DCA

1 stop21h 06mFrontier

Sat 12/136:00 pmDCA - BOI

1 stop20h 04mFrontier

Deal found 10/12

$217

Fri 12/512:59 pmBOI - DCA

1 stop21h 06mFrontier

Sat 12/136:00 pmDCA - BOI

1 stop20h 04mFrontier

Deal found 10/12

$221

Sun 12/712:59 pmBOI - DCA

1 stop7h 00mFrontier

Sat 12/136:00 pmDCA - BOI

1 stop20h 04mFrontier

Deal found 10/11

$229

Thu 12/412:59 pmBOI - DCA

1 stop7h 00mFrontier

Thu 12/117:00 amDCA - BOI

1 stop7h 04mFrontier

Deal found 10/11

$231

Thu 12/412:59 pmBOI - DCA

1 stop7h 00mFrontier

Sun 12/77:00 amDCA - BOI

1 stop7h 04mFrontier

Deal found 10/12

$232

Sun 11/212:33 pmBOI - DCA

1 stop22h 29mFrontier

Wed 11/52:00 pmDCA - BOI

1 stop23h 48mFrontier

Deal found 10/12

$235

Fri 12/512:59 pmBOI - DCA

1 stop21h 06mFrontier

Thu 12/111:00 pmDCA - BOI

1 stop25h 04mFrontier

Deal found 10/12

$239

Thu 11/612:33 pmBOI - DCA

1 stop26h 26mFrontier

Wed 11/122:00 pmDCA - BOI

1 stop23h 43mFrontier

Deal found 10/12

$244

Fri 10/319:54 pmBOI - DCA

2 stops22h 05mMultiple Airlines

Wed 11/52:00 pmDCA - BOI

1 stop23h 48mMultiple Airlines

Deal found 10/12

$246

Fri 12/57:45 pmBOI - BWI

2 stops12h 17mDelta

Sun 12/76:00 amBWI - BOI

2 stops18h 16mDelta

Deal found 10/12

$276

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 October 13, 2025.

Fri 12/512:59 pmBOI - DCA

1 stop21h 06mFrontier

Wed 12/101:00 pmDCA - BOI

1 stop25h 04mFrontier

Deal found 10/11

$209

Thu 12/411:44 amBOI - BWI

2 stops10h 37mDelta

Wed 12/106:00 amBWI - BOI

2 stops12h 02mDelta

Deal found 10/12

$276

Thu 12/49:17 pmBOI - DCA

2 stops17h 42mMultiple Airlines

Sat 12/136:00 pmDCA - BOI

1 stop20h 04mMultiple Airlines

Deal found 10/12

$286

Wed 12/36:03 amBOI - BWI

1 stop10h 13mAlaska Airlines

Sat 12/137:00 amBWI - BOI

1 stop10h 26mAlaska Airlines

Deal found 10/12

$306

Thu 12/412:59 pmBOI - DCA

1 stop7h 00mFrontier

Sun 12/147:00 amDCA - BOI

1 stop7h 04mFrontier

Deal found 10/12

$232

Fri 12/57:45 pmBOI - BWI

2 stops12h 17mDelta

Tue 12/96:00 amBWI - BOI

2 stops12h 02mDelta

Deal found 10/13

$276

Fri 12/510:41 pmBOI - DCA

2 stops16h 18mMultiple Airlines

Sat 12/136:00 pmDCA - BOI

1 stop20h 04mMultiple Airlines

Deal found 10/11

$289

Thu 12/411:44 amBOI - BWI

2 stops10h 37mDelta

Tue 12/96:00 amBWI - BOI

2 stops12h 02mDelta

Deal found 10/12

$276

Tue 12/95:59 pmBOI - BWI

1 stop9h 41mAlaska Airlines

Sat 12/137:00 amBWI - BOI

1 stop10h 26mAlaska Airlines

Deal found 10/11

$306

Fri 12/57:45 pmBOI - BWI

2 stops12h 17mDelta

Sun 12/76:00 amBWI - BOI

2 stops18h 16mDelta

Deal found 10/12

$276

Sat 12/66:03 amBOI - BWI

1 stop10h 13mAlaska Airlines

Sat 12/137:00 amBWI - BOI

1 stop11h 16mAlaska Airlines

Deal found 10/11

$306

Fri 12/55:59 pmBOI - IAD

1 stop10h 07mAlaska Airlines

Wed 12/107:34 amIAD - BOI

1 stop9h 52mAlaska Airlines

Deal found 10/12

$307

Fri 12/51:54 pmBOI - BWI

2 stops18h 08mDelta

Wed 12/106:00 amBWI - BOI

1 stop8h 54mDelta

Deal found 10/13

$291

Sat 12/64:45 pmBOI - BWI

2 stops14h 33mDelta

Tue 12/97:02 amBWI - BOI

1 stop7h 52mDelta

Deal found 10/12

$291

Mon 12/89:00 amBOI - BWI

2 stops19h 02mDelta

Sat 12/132:41 pmBWI - BOI

2 stops11h 23mDelta

Deal found 10/12

$295

Fri 10/313:00 pmBOI - IAD

1 stop6h 39mDelta

Thu 11/67:35 amIAD - BOI

1 stop10h 31mDelta

Deal found 10/12

$299

Fri 10/313:00 pmBOI - IAD

1 stop6h 39mDelta

Wed 11/57:35 amIAD - BOI

1 stop10h 31mDelta

Deal found 10/13

$299

Fri 10/3111:12 amBOI - IAD

2 stops10h 27mDelta

Sun 11/27:35 amIAD - BOI

1 stop10h 31mDelta

Deal found 10/12

$304

Fri 10/311:39 pmBOI - DCA

1 stop8h 02mDelta

Tue 11/43:05 pmDCA - BOI

2 stops10h 54mDelta

Deal found 10/12

$304

Thu 12/42:04 pmBOI - BWI

1 stop8h 22mDelta

Thu 12/116:00 amBWI - BOI

2 stops18h 16mDelta

Deal found 10/13

$306

Fri 10/3111:12 amBOI - IAD

2 stops10h 27mDelta

Tue 11/45:10 pmIAD - BOI

2 stops8h 44mDelta

Deal found 10/12

$309

Wed 12/33:13 pmBOI - IAD

1 stop6h 49mDelta

Tue 12/97:01 amIAD - BOI

1 stop7h 53mDelta

Deal found 10/12

$317

Sat 12/65:35 amBOI - IAD

1 stop6h 11mDelta

Tue 12/96:56 pmIAD - BOI

1 stop7h 13mDelta

Deal found 10/12

$317

Fri 12/51:54 pmBOI - IAD

1 stop7h 33mDelta

Mon 12/86:56 pmIAD - BOI

1 stop7h 13mDelta

Deal found 10/12

$317

Thu 12/43:13 pmBOI - IAD

1 stop6h 49mDelta

Thu 12/117:01 amIAD - BOI

1 stop7h 53mDelta

Deal found 10/12

$317

Fri 12/53:13 pmBOI - IAD

1 stop6h 49mDelta

Sun 12/76:56 pmIAD - BOI

1 stop7h 13mDelta

Deal found 10/12

$317

Fri 12/52:04 pmBOI - DCA

1 stop6h 36mDelta

Sun 12/76:58 pmDCA - BOI

1 stop7h 11mDelta

Deal found 10/12

$317

Sat 12/63:13 pmBOI - DCA

1 stop6h 03mDelta

Thu 12/116:59 amDCA - BOI

1 stop7h 55mDelta

Deal found 10/12

$317

Wed 12/35:35 amBOI - DCA

1 stop6h 00mDelta

Thu 12/116:59 amDCA - BOI

1 stop7h 55mDelta

Deal found 10/12

$317

Mon 12/82:04 pmBOI - DCA

1 stop6h 36mDelta

Thu 12/114:55 pmDCA - BOI

1 stop9h 09mDelta

Deal found 10/11

$317

Last-minute flights from Boise to Washington, D.C.
Discover last-minute flight deals from Boise to Washington, D.C.. Data last updated October 13, 2025 and is based on user searches.

Fri 10/319:54 pmBOI - DCA

2 stops22h 05mMultiple Airlines

Wed 11/52:00 pmDCA - BOI

1 stop23h 48mMultiple Airlines

Deal found 10/13

$239

Fri 10/313:00 pmBOI - BWI

1 stop6h 49mDelta

Tue 11/47:15 amBWI - BOI

1 stop6h 46mDelta

Deal found 10/13

$293

Fri 10/313:00 pmBOI - IAD

1 stop6h 39mDelta

Wed 11/57:35 amIAD - BOI

1 stop10h 31mDelta

Deal found 10/13

$299

Fri 10/311:39 pmBOI - DCA

1 stop8h 02mDelta

Tue 11/44:59 pmDCA - BOI

1 stop9h 09mDelta

Deal found 10/13

$299

Fri 10/3111:12 amBOI - IAD

2 stops10h 27mDelta

Sun 11/27:05 amIAD - BOI

1 stop7h 24mDelta

Deal found 10/13

$304

Fri 10/313:00 pmBOI - BWI

1 stop6h 49mDelta

Thu 11/64:44 pmBWI - BOI

1 stop7h 45mDelta

Deal found 10/13

$308

Fri 10/3111:12 amBOI - IAD

2 stops10h 27mDelta

Tue 11/45:10 pmIAD - BOI

2 stops8h 49mDelta

Deal found 10/13

$309

Sat 11/16:28 amBOI - BWI

1 stop9h 48mAlaska Airlines

Wed 11/57:38 amBWI - BOI

1 stop9h 34mAlaska Airlines

Deal found 10/10

$306

Sat 11/11:26 pmBOI - BWI

1 stop8h 22mAmerican Airlines

Wed 11/53:23 pmBWI - BOI

1 stop9h 09mAmerican Airlines

Deal found 10/11

$307

Sat 11/11:39 pmBOI - BWI

1 stop9h 01mDelta

Wed 11/54:44 pmBWI - BOI

2 stops9h 10mDelta

Deal found 10/11

$312

Sun 11/212:33 pmBOI - DCA

1 stop22h 29mFrontier

Wed 11/52:00 pmDCA - BOI

1 stop23h 48mFrontier

Deal found 10/12

$235

Thu 11/612:33 pmBOI - DCA

1 stop26h 26mFrontier

Wed 11/122:00 pmDCA - BOI

1 stop23h 43mFrontier

Deal found 10/12

$244

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 October 13, 2025.

Sun 2/158:30 pmBOI - IAD

1 stop7h 25mAlaska Airlines

Deal found 10/13

$140

Sun 2/156:28 amBOI - DCA

1 stop7h 47mAlaska Airlines

Deal found 10/13

$140

Sun 2/152:00 pmBOI - IAD

1 stop7h 16mDelta

Deal found 10/11

$141

Fri 11/1411:35 pmBOI - IAD

1 stop8h 38mDelta

Deal found 10/12

$159

Fri 11/145:20 amBOI - DCA

1 stop8h 05mDelta

Deal found 10/12

$159

Mon 10/2010:34 pmBOI - DCA

2 stops35h 30mMultiple Airlines

Deal found 10/12

$166

Sat 11/226:00 pmBOI - BWI

1 stop9h 39mAlaska Airlines

Deal found 10/13

$187

Wed 12/316:08 amBOI - IAD

1 stop9h 35mAlaska Airlines

Deal found 10/12

$190

Sun 2/157:00 pmBOI - BWI

1 stop10h 27mUnited Airlines

Deal found 10/13

$190

Thu 11/2011:43 amBOI - DCA

1 stop8h 16mAlaska Airlines

Deal found 10/13

$194

Sat 11/226:00 pmBOI - IAD

1 stop10h 18mAlaska Airlines

Deal found 10/13

$195

Fri 11/286:09 amBOI - DCA

1 stop7h 57mAlaska Airlines

Deal found 10/11

$195

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$208 (Kiwi.com)
One-way from	$140 (Alaska Airlines)
Popular in	March
Cheapest in	August
Average price	$373

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. 4% potential increase in price ($18 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

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

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Fri 12/5

12:59 pm-12:05 pm

1 stop21h 06m

Washington, D.C. Reagan-National

Wed 12/10

1:00 pm-12:04 pm

1 stop25h 04m

$209

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 12/4

12:59 pm-9:59 pm

1 stop7h 00m

Washington, D.C. Reagan-National

Sun 12/14

7:00 am-12:04 pm

1 stop7h 04m

$232

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 12/4

11:44 am-12:21 am

2 stops10h 37m

Baltimore/Washington

Wed 12/10

6:00 am-4:02 pm

2 stops12h 02m

$276

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Fri 12/5

7:45 pm-10:02 am

2 stops12h 17m

Baltimore/Washington

Tue 12/9

6:00 am-4:02 pm

2 stops12h 02m

$276

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 12/4

11:44 am-12:21 am

2 stops10h 37m

Baltimore/Washington

Tue 12/9

6:00 am-4:02 pm

2 stops12h 02m

$276

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Fri 12/5

7:45 pm-10:02 am

2 stops12h 17m

Baltimore/Washington

Sun 12/7

6:00 am-10:16 pm

2 stops18h 16m

$276

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 12/4

9:17 pm-4:59 pm

2 stops17h 42m

Washington, D.C. Reagan-National

Sat 12/13

6:00 pm-12:04 pm

1 stop20h 04m

$286

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Fri 12/5

10:41 pm-4:59 pm

2 stops16h 18m

Washington, D.C. Reagan-National

Sat 12/13

6:00 pm-12:04 pm

1 stop20h 04m

$289

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Fri 12/5

1:54 pm-10:02 am

2 stops18h 08m

Baltimore/Washington

Wed 12/10

6:00 am-12:54 pm

1 stop8h 54m

$291

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sat 12/6

4:45 pm-9:18 am

2 stops14h 33m

Baltimore/Washington

Tue 12/9

7:02 am-12:54 pm

1 stop7h 52m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 51 results

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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 October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	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.

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.

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 2 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.

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

Currently, April is the cheapest month in which you can book a flight from Boise to Washington, D.C. (average of $141). Flying from Boise to Washington, D.C. in December is currently the most expensive (average of $373). 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.

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 fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 23% versus a flight in the morning.

What is the cheapest day to fly from Boise to Washington, D.C.?

Travelers seeking maximum savings on their Boise to Washington, D.C. flight should consider departing on Monday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta 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.

Alaska Airlines

8.0

Very good

11,070 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Alaska Airlines

8.0

Very good

11,070 reviews

Alaska Airlines

8.0

Very good

11,070 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Southwest

8.0

Very good

4,235 reviews

Alaska Airlines

8.0

Very good

11,070 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Delta

8.0

Very good

7,973 reviews

Alaska Airlines

8.0

Very good

11,070 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

United Airlines

7.4

Good

8,974 reviews

Alaska Airlines

8.0

Very good

11,070 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

American Airlines

7.2

Good

11,045 reviews

Alaska Airlines

8.0

Very good

11,070 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 $307, Frontier can have you in Washington, D.C. from Boise in 10h 07m. 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, Alaska Airlines ($141), Delta ($249), and United Airlines ($278) offers the cheapest pricing from Boise to Washington, D.C.. You may be able to fly from Boise to Washington, D.C. for 66% 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $140. Delta flights start at $141 while deals on United Airlines start at $190 one-way.
What are the most popular routes from Boise to Washington, D.C.?
While some choose either Boise Air Term. Gowen Fld - Baltimore/Washington or Boise Air Term. Gowen Fld - Washington, D.C. Reagan-National, 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, April is the cheapest month in which you can book a flight from Boise to Washington, D.C. (average of $141). Flying from Boise to Washington, D.C. in December is currently the most expensive (average of $373). 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.

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

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$141	Average$398	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$249	Average$429	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$278	Average$517	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$300	Average$484	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$351	Average$495	FlexibilityNo cancel fee	On-time63%

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$140+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Washington, D.C. are usually found in August or February, booked 2 days in advance, depart on a Saturday or Monday and return on a Wednesday

Find 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 October 13, 2025.

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 October 13, 2025.

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

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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 October.

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Boise to Washington, D.C.. Price data was last updated on October 10, 2025.

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

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

Find hourly flight availability from Boise to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 13, 2025.

What is the cheapest day to fly from Boise to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Boise to Washington, D.C.. Price data was last updated on December 16, 2024.

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

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta 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

Find useful and relevant information for your journey from Boise to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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.?

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Alternative routes for Boise to Washington, D.C.

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

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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 October 13, 2025.