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

According to our current data, Frontier ($218), Alaska Airlines ($275), and Delta ($301) offers the cheapest pricing from Boise to Washington, D.C.. You may be able to fly from Boise to Washington, D.C. for 53% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $140. Hawaiian Airlines flights start at $150 while deals on United Airlines start at $151 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..

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

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

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

Flights from Boise to Washington, D.C. are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..

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

Travelers have found it’s best to book a flight 38 days in advance to save up to 169% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 38 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Boise to Washington, D.C. 1-2 weeks in advance for as low as $506, or $1,051 for flights within the next 24 hours.

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

The best pricing can be found in the month of February. Prices to Washington, D.C. from Boise average $473. You can even find prices in February for less than $473, as users have found deals to Washington, D.C. from as low as $300. The month of March appears to be one of the more expensive times to travel to Washington, D.C. from Boise. Flying in the targeted month can save you up to 21%.

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+ Flights from Boise to Washington, D.C.

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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.

Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Washington, D.C. are usually found in February or April, booked 37 days in advance, depart on a Saturday or Monday and return on a Wednesday

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$218 (Booking.com)
One-way from	$140 (Cheapflightsfares)
Popular in	March
Cheapest in	February
Average price	$392

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

High demand for flights, 6% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 avril 11, 2025.

jeu. 5/152:57 pmBOI - BWI

1 stop24h 25mFrontier

sam. 5/245:48 pmBWI - BOI

1 stop20h 03mFrontier

Deal found 4/10

$218

mar. 5/131:00 pmBOI - IAD

1 stop8h 58mAlaska Airlines

jeu. 5/156:30 amIAD - BOI

1 stop10h 36mAlaska Airlines

Deal found 4/10

$275

mer. 9/107:14 pmBOI - BWI

1 stop9h 17mHawaiian Airlines

mer. 9/247:51 amBWI - BOI

1 stop9h 04mHawaiian Airlines

Deal found 4/10

$286

mer. 9/107:00 amBOI - BWI

2 stops8h 29mUnited Airlines

mer. 9/249:00 amBWI - BOI

1 stop9h 58mUnited Airlines

Deal found 4/10

$292

mer. 4/3010:09 amBOI - DCA

1 stop9h 50mAlaska Airlines

ven. 5/26:35 pmDCA - BOI

1 stop20h 56mAlaska Airlines

Deal found 4/10

$300

dim. 5/2510:46 amBOI - IAD

1 stop10h 25mDelta

mer. 5/287:45 amIAD - BOI

1 stop10h 34mDelta

Deal found 4/10

$301

mar. 9/165:40 amBOI - DCA

1 stop7h 55mDelta

ven. 9/194:40 pmDCA - BOI

1 stop9h 19mDelta

Deal found 4/10

$301

dim. 5/2512:36 pmBOI - DCA

1 stop21h 31mFrontier

mer. 5/286:00 pmDCA - BOI

1 stop19h 51mFrontier

Deal found 4/10

$310

jeu. 5/297:18 pmBOI - BWI

1 stop8h 22mDelta

lun. 6/26:55 amBWI - BOI

1 stop6h 59mDelta

Deal found 4/10

$315

mar. 5/1310:00 amBOI - DCA

2 stops9h 59mMultiple Airlines

jeu. 5/157:00 amDCA - BOI

1 stop8h 37mMultiple Airlines

Deal found 4/10

$318

dim. 5/41:00 pmBOI - IAD

1 stop9h 23mHawaiian Airlines

mer. 5/77:00 amIAD - BOI

1 stop8h 31mHawaiian Airlines

Deal found 4/10

$329

dim. 6/297:15 pmBOI - IAD

1 stop8h 03mUnited Airlines

mer. 7/26:30 amIAD - BOI

1 stop8h 59mUnited Airlines

Deal found 4/10

$355

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 avril 11, 2025.

jeu. 5/152:57 pmBOI - BWI

1 stop24h 25mFrontier

sam. 5/245:48 pmBWI - BOI

1 stop20h 03mFrontier

Deal found 4/10

$218

mar. 5/131:00 pmBOI - IAD

1 stop8h 58mAlaska Airlines

jeu. 5/156:30 amIAD - BOI

1 stop10h 36mAlaska Airlines

Deal found 4/10

$275

dim. 5/2510:46 amBOI - IAD

1 stop10h 25mDelta

mer. 5/287:45 amIAD - BOI

1 stop10h 34mDelta

Deal found 4/10

$301

mar. 5/1310:00 amBOI - DCA

2 stops9h 59mMultiple Airlines

jeu. 5/157:00 amDCA - BOI

1 stop8h 37mMultiple Airlines

Deal found 4/10

$318

dim. 5/41:00 pmBOI - IAD

1 stop9h 23mHawaiian Airlines

mer. 5/77:00 amIAD - BOI

1 stop8h 31mHawaiian Airlines

Deal found 4/10

$329

mar. 5/612:05 pmBOI - BWI

1 stop7h 32mUnited Airlines

jeu. 5/810:00 amBWI - BOI

1 stop10h 00mUnited Airlines

Deal found 4/10

$337

mar. 6/177:05 pmBOI - BWI

1 stop8h 10mSouthwest

mer. 6/256:55 pmBWI - BOI

1 stop7h 45mSouthwest

Deal found 4/10

$360

ven. 4/251:52 pmBOI - BWI

1 stop13h 54mSpirit Airlines

mar. 4/296:10 amBWI - BOI

2 stops32h 47mSpirit Airlines

Deal found 4/10

$376

sam. 6/283:35 pmBOI - DCA

1 stop7h 16mAmerican Airlines

mer. 7/25:08 amDCA - BOI

1 stop7h 48mAmerican Airlines

Deal found 4/9

$389

mer. 4/3010:09 amBOI - DCA

1 stop9h 50mAlaska Airlines

ven. 5/26:35 pmDCA - BOI

1 stop20h 56mAlaska Airlines

Deal found 4/10

$300

dim. 5/2512:36 pmBOI - DCA

1 stop21h 31mFrontier

mer. 5/286:00 pmDCA - BOI

1 stop19h 51mFrontier

Deal found 4/10

$310

jeu. 5/297:18 pmBOI - BWI

1 stop8h 22mDelta

lun. 6/26:55 amBWI - BOI

1 stop6h 59mDelta

Deal found 4/10

$315

Last-minute flights from Boise to Washington, D.C.
Discover last-minute flight deals from Boise to Washington, D.C.. Data last updated avril 11, 2025 and is based on user searches.

ven. 4/181:52 pmBOI - BWI

1 stop28h 35mSpirit Airlines

lun. 4/216:51 amBWI - BOI

1 stop8h 06mSpirit Airlines

Deal found 4/10

$579

ven. 4/181:52 pmBOI - BWI

1 stop28h 35mMultiple Airlines

lun. 4/216:51 amBWI - BOI

2 stops16h 56mMultiple Airlines

Deal found 4/10

$626

ven. 4/186:59 pmBOI - DCA

2 stops25h 00mAlaska Airlines

lun. 4/218:59 amDCA - BOI

1 stop29h 43mAlaska Airlines

Deal found 4/10

$728

ven. 4/181:12 pmBOI - IAD

2 stops14h 28mAlaska Airlines

lun. 4/217:00 amIAD - BOI

2 stops12h 38mAlaska Airlines

Deal found 4/10

$775

ven. 4/251:52 pmBOI - BWI

1 stop13h 54mSpirit Airlines

mar. 4/296:10 amBWI - BOI

2 stops32h 47mSpirit Airlines

Deal found 4/10

$376

mer. 4/3010:09 amBOI - DCA

1 stop9h 50mAlaska Airlines

ven. 5/26:35 pmDCA - BOI

1 stop20h 56mAlaska Airlines

Deal found 4/10

$300

dim. 5/41:00 pmBOI - IAD

1 stop9h 23mHawaiian Airlines

mer. 5/77:00 amIAD - BOI

1 stop8h 31mHawaiian Airlines

Deal found 4/10

$329

dim. 5/411:30 pmBOI - DCA

2 stops10h 08mDelta

mer. 5/76:00 amDCA - BOI

2 stops12h 19mDelta

Deal found 4/10

$380

mar. 5/612:05 pmBOI - BWI

1 stop7h 32mUnited Airlines

jeu. 5/810:00 amBWI - BOI

1 stop10h 00mUnited Airlines

Deal found 4/10

$337

mar. 5/131:00 pmBOI - IAD

1 stop8h 58mAlaska Airlines

jeu. 5/156:30 amIAD - BOI

1 stop10h 36mAlaska Airlines

Deal found 4/10

$275

mar. 5/1310:00 amBOI - DCA

2 stops9h 59mMultiple Airlines

jeu. 5/157:00 amDCA - BOI

1 stop8h 37mMultiple Airlines

Deal found 4/10

$318

jeu. 5/152:57 pmBOI - BWI

1 stop24h 25mFrontier

sam. 5/245:48 pmBWI - BOI

1 stop20h 03mFrontier

Deal found 4/10

$218

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 avril 11, 2025.

lun. 5/1212:16 pmBOI - BWI

1 stop15h 54mSpirit Airlines

Deal found 4/10

$140

sam. 5/32:41 pmBOI - IAD

1 stop7h 17mHawaiian Airlines

Deal found 4/10

$150

sam. 5/39:18 amBOI - DCA

1 stop10h 41mHawaiian Airlines

Deal found 4/10

$150

lun. 5/127:10 pmBOI - IAD

1 stop10h 09mUnited Airlines

Deal found 4/10

$151

jeu. 6/123:00 pmBOI - DCA

1 stop6h 22mDelta

Deal found 4/10

$151

sam. 5/35:18 pmBOI - IAD

2 stops13h 20mAmerican Airlines

Deal found 4/10

$156

jeu. 6/123:00 pmBOI - BWI

1 stop6h 48mDelta

Deal found 4/10

$172

dim. 6/228:08 pmBOI - BWI

1 stop13h 21mSun Country Air

Deal found 4/10

$194

dim. 5/111:38 pmBOI - DCA

1 stop7h 26mAmerican Airlines

Deal found 4/10

$258

dim. 6/2212:36 pmBOI - DCA

1 stop26h 21mFrontier

Deal found 4/9

$292

jeu. 6/125:43 pmBOI - IAD

2 stops11h 07mAlaska Airlines

Deal found 4/10

$327

lun. 5/125:25 pmBOI - DCA

3 stops26h 50mUnited Airlines

Deal found 4/10

$362

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

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

jeu. 5/15

2:57 pm-5:22 pm

1 stop24h 25m

Baltimore/Washington

sam. 5/24

5:48 pm-11:51 am

1 stop20h 03m

$218

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

mar. 5/13

1:00 pm-11:58 pm

1 stop8h 58m

Washington, D.C. Dulles Intl

jeu. 5/15

6:30 am-3:06 pm

1 stop10h 36m

$275

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

mer. 9/10

7:14 pm-6:31 am

1 stop9h 17m

Baltimore/Washington

mer. 9/24

7:51 am-2:55 pm

1 stop9h 04m

$286

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

mer. 9/10

7:00 am-5:29 pm

2 stops8h 29m

Baltimore/Washington

mer. 9/24

9:00 am-4:58 pm

1 stop9h 58m

$292

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

mer. 4/30

10:09 am-9:59 pm

1 stop9h 50m

Washington, D.C. Reagan-National

ven. 5/2

6:35 pm-1:31 pm

1 stop20h 56m

$300

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

dim. 5/25

10:46 am-11:11 pm

1 stop10h 25m

Washington, D.C. Dulles Intl

mer. 5/28

7:45 am-4:19 pm

1 stop10h 34m

$301

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

dim. 5/25

12:36 pm-12:07 pm

1 stop21h 31m

Washington, D.C. Reagan-National

mer. 5/28

6:00 pm-11:51 am

1 stop19h 51m

$310

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

jeu. 5/29

7:18 pm-5:40 am

1 stop8h 22m

Baltimore/Washington

lun. 6/2

6:55 am-11:54 am

1 stop6h 59m

$315

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

mar. 5/13

10:00 am-9:59 pm

2 stops9h 59m

Washington, D.C. Reagan-National

jeu. 5/15

7:00 am-1:37 pm

1 stop8h 37m

$318

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

dim. 5/4

1:00 pm-12:23 am

1 stop9h 23m

Washington, D.C. Dulles Intl

mer. 5/7

7:00 am-1:31 pm

1 stop8h 31m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 41 results

...

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	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 37 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, August is the cheapest month in which you can book a flight from Boise to Washington, D.C. (average of $241). Flying from Boise to Washington, D.C. in March is currently the most expensive (average of $290). 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 afternoon, which can drop the price by up to 21% versus a flight at noon.

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 Saturday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Washington, D.C. by month

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.

Temperature in Washington, D.C. by month

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).

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Alaska Airlines, Southwest and Delta from Boise to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,851 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,279 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,911 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Hawaiian Airlines

7.9

Good

2,365 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,636 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.
What are the cheapest airlines flying from Boise to Washington, D.C. round-trip?
According to our current data, Frontier ($218), Alaska Airlines ($275), and Delta ($301) offers the cheapest pricing from Boise to Washington, D.C.. You may be able to fly from Boise to Washington, D.C. for 53% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $140. Hawaiian Airlines flights start at $150 while deals on United Airlines start at $151 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, August is the cheapest month in which you can book a flight from Boise to Washington, D.C. (average of $241). Flying from Boise to Washington, D.C. in March is currently the most expensive (average of $290). 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

Arlington

Alexandria

Fairfax

Tysons

Springfield

Rockville

Fredericksburg

Woodbridge

Gaithersburg

Linthicum Heights

Silver Spring

Falls Church

Laurel

Easton

Herndon

Bowie

Gettysburg

National Harbor

Oxon Hill

Reston

Browse thousands of different options on Cheapflights for your next trip

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

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$192	Average$566	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$300	Average$570	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$306	Average$493	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$316	Average$519	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$346	Average$478	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 5/12. 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 February or April, booked 37 days in advance, depart on a Saturday or Monday and return on a Wednesday

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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 avril 11, 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 avril 11, 2025.

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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 April.

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 April 4, 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 avril 11, 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.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Alaska Airlines, Southwest and Delta from Boise to Washington, D.C. have to say. You can also see how each airline compares 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.?

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.?

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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 avril 11, 2025.