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

For as low as $228, Spirit Airlines can have you in Washington, D.C. from Boise in 7h 37m. The distance between Boise and Washington, D.C. is about 2042 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 ($290), and American Airlines ($300) offers the cheapest pricing from Boise to Washington, D.C.. You may be able to fly from Boise to Washington, D.C. for 67% 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 $90. Frontier flights start at $95 while deals on Hawaiian Airlines start at $125 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 Alaska Airlines, Delta or United Airlines 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 14 days in advance to save up to 154% 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 14 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 $210, 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 August. Prices to Washington, D.C. from Boise average $431. You can even find prices in August for less than $431, as users have found deals to Washington, D.C. from as low as $205. 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 33%.

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.

$90+ Cheap Flights from Boise to Washington, D.C.

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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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Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Washington, D.C. are usually found in August or February, booked 50 days in advance, depart on a Saturday or Monday and return on a Wednesday

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

Round-trip from	$207 (FlightHub)
One-way from	$90 (Kiwi.com)
Popular in	March
Cheapest in	August
Average price	$342

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. 0% potential increase in price ($3 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 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 August 18, 2025.

Thu 10/212:22 pmBOI - BWI

1 stop27h 20mMultiple Airlines

Wed 10/156:26 pmBWI - BOI

1 stop21h 04mMultiple Airlines

Deal found 8/17

$207

Thu 9/182:16 pmBOI - BWI

1 stop12h 14mSpirit Airlines

Wed 9/248:16 amBWI - BOI

1 stop31h 05mSpirit Airlines

Deal found 8/17

$212

Mon 9/89:26 pmBOI - BWI

2 stops31h 35mSpirit Airlines

Fri 9/127:02 pmBWI - BOI

1 stop20h 19mSpirit Airlines

Deal found 8/18

$215

Mon 9/159:26 pmBOI - BWI

1 stop29h 04mSpirit Airlines

Mon 9/228:16 amBWI - BOI

1 stop14h 15mSpirit Airlines

Deal found 8/16

$216

Thu 9/1812:22 pmBOI - DCA

1 stop7h 37mMultiple Airlines

Tue 9/235:49 pmDCA - BOI

1 stop8h 10mMultiple Airlines

Deal found 8/17

$219

Fri 9/199:26 pmBOI - BWI

1 stop29h 04mSpirit Airlines

Sun 9/217:02 pmBWI - BOI

1 stop27h 29mSpirit Airlines

Deal found 8/17

$223

Thu 10/302:25 pmBOI - BWI

1 stop12h 05mSpirit Airlines

Sun 11/26:26 pmBWI - BOI

1 stop27h 30mSpirit Airlines

Deal found 8/18

$227

Thu 9/1812:22 pmBOI - DCA

1 stop7h 37mFrontier

Wed 9/241:00 pmDCA - BOI

1 stop24h 37mFrontier

Deal found 8/17

$228

Fri 9/129:26 pmBOI - BWI

1 stop29h 04mSpirit Airlines

Sun 9/147:02 pmBWI - BOI

1 stop27h 29mSpirit Airlines

Deal found 8/17

$228

Thu 9/182:16 pmBOI - BWI

1 stop12h 14mSpirit Airlines

Sun 9/217:02 pmBWI - BOI

1 stop27h 29mSpirit Airlines

Deal found 8/17

$235

Fri 9/269:26 pmBOI - BWI

2 stops14h 00mMultiple Airlines

Sun 9/287:02 pmBWI - BOI

1 stop27h 29mMultiple Airlines

Deal found 8/17

$244

Thu 9/182:16 pmBOI - BWI

1 stop12h 14mMultiple Airlines

Tue 9/237:00 amBWI - BOI

1 stop10h 00mMultiple Airlines

Deal found 8/17

$247

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 18, 2025.

Thu 10/212:22 pmBOI - BWI

1 stop27h 20mMultiple Airlines

Wed 10/156:26 pmBWI - BOI

1 stop21h 04mMultiple Airlines

Deal found 8/16

$207

Thu 9/182:16 pmBOI - BWI

1 stop12h 14mSpirit Airlines

Wed 9/247:02 pmBWI - BOI

1 stop20h 19mSpirit Airlines

Deal found 8/16

$212

Thu 9/1812:22 pmBOI - DCA

1 stop7h 37mFrontier

Wed 9/241:00 pmDCA - BOI

1 stop24h 37mFrontier

Deal found 8/17

$228

Wed 10/297:45 pmBOI - IAD

1 stop19h 28mAlaska Airlines

Sat 11/17:43 amIAD - BOI

1 stop9h 29mAlaska Airlines

Deal found 8/16

$264

Wed 10/2211:12 amBOI - IAD

2 stops10h 06mDelta

Tue 10/286:18 amIAD - BOI

1 stop9h 44mDelta

Deal found 8/16

$269

Sat 9/208:46 pmBOI - IAD

1 stop8h 47mHawaiian Airlines

Sat 9/277:00 amIAD - BOI

1 stop10h 00mHawaiian Airlines

Deal found 8/18

$269

Tue 11/41:40 pmBOI - DCA

1 stop7h 01mAmerican Airlines

Fri 11/76:00 amDCA - BOI

1 stop9h 06mAmerican Airlines

Deal found 8/17

$276

Mon 9/89:26 pmBOI - BWI

2 stops31h 35mSpirit Airlines

Fri 9/127:02 pmBWI - BOI

1 stop20h 19mSpirit Airlines

Deal found 8/18

$215

Thu 9/1812:22 pmBOI - DCA

1 stop7h 37mMultiple Airlines

Tue 9/235:49 pmDCA - BOI

1 stop8h 10mMultiple Airlines

Deal found 8/17

$219

Mon 9/159:26 pmBOI - BWI

1 stop29h 04mSpirit Airlines

Mon 9/228:16 amBWI - BOI

1 stop14h 15mSpirit Airlines

Deal found 8/16

$216

Thu 9/1812:22 pmBOI - DCA

1 stop7h 37mMultiple Airlines

Wed 9/248:00 amDCA - BOI

1 stop9h 00mMultiple Airlines

Deal found 8/17

$219

Fri 9/199:26 pmBOI - BWI

1 stop29h 04mSpirit Airlines

Sun 9/217:02 pmBWI - BOI

1 stop27h 29mSpirit Airlines

Deal found 8/17

$223

Last-minute flights from Boise to Washington, D.C.
Discover last-minute flight deals from Boise to Washington, D.C.. Data last updated August 18, 2025 and is based on user searches.

Thu 9/42:16 pmBOI - BWI

1 stop12h 14mSpirit Airlines

Wed 9/105:45 amBWI - BOI

2 stops33h 36mSpirit Airlines

Deal found 8/18

$256

Fri 9/59:26 pmBOI - BWI

1 stop29h 04mSpirit Airlines

Mon 9/88:16 amBWI - BOI

1 stop14h 15mSpirit Airlines

Deal found 8/16

$249

Mon 9/89:26 pmBOI - BWI

2 stops31h 35mSpirit Airlines

Fri 9/127:02 pmBWI - BOI

1 stop20h 19mSpirit Airlines

Deal found 8/18

$215

Fri 9/129:26 pmBOI - BWI

1 stop29h 04mSpirit Airlines

Sun 9/147:02 pmBWI - BOI

1 stop27h 29mSpirit Airlines

Deal found 8/17

$228

Mon 9/159:26 pmBOI - BWI

1 stop29h 04mSpirit Airlines

Mon 9/228:16 amBWI - BOI

1 stop14h 15mSpirit Airlines

Deal found 8/16

$216

Thu 9/182:16 pmBOI - BWI

1 stop12h 14mSpirit Airlines

Wed 9/248:16 amBWI - BOI

1 stop31h 05mSpirit Airlines

Deal found 8/17

$212

Thu 9/1812:22 pmBOI - DCA

1 stop7h 37mMultiple Airlines

Tue 9/235:49 pmDCA - BOI

1 stop8h 10mMultiple Airlines

Deal found 8/17

$219

Thu 9/1812:22 pmBOI - DCA

1 stop7h 37mFrontier

Wed 9/241:00 pmDCA - BOI

1 stop24h 37mFrontier

Deal found 8/17

$228

Thu 9/182:16 pmBOI - BWI

1 stop12h 14mSpirit Airlines

Sun 9/217:02 pmBWI - BOI

1 stop27h 29mSpirit Airlines

Deal found 8/17

$235

Thu 9/182:16 pmBOI - BWI

1 stop12h 14mMultiple Airlines

Tue 9/237:00 amBWI - BOI

1 stop10h 00mMultiple Airlines

Deal found 8/17

$247

Fri 9/199:26 pmBOI - BWI

1 stop29h 04mSpirit Airlines

Sun 9/217:02 pmBWI - BOI

1 stop27h 29mSpirit Airlines

Deal found 8/17

$223

Fri 9/269:26 pmBOI - BWI

2 stops14h 00mMultiple Airlines

Sun 9/287:02 pmBWI - BOI

1 stop27h 29mMultiple Airlines

Deal found 8/17

$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 August 18, 2025.

Mon 9/89:26 pmBOI - BWI

2 stops31h 35mSpirit Airlines

Deal found 8/18

$90

Sun 9/1412:22 pmBOI - BWI

1 stop27h 20mFrontier

Deal found 8/16

$95

Sun 9/1412:22 pmBOI - DCA

1 stop21h 48mFrontier

Deal found 8/17

$97

Mon 9/159:26 pmBOI - BWI

2 stops31h 35mSpirit Airlines

Deal found 8/17

$100

Sat 11/12:25 pmBOI - BWI

1 stop13h 00mSpirit Airlines

Deal found 8/16

$115

Mon 10/68:58 pmBOI - BWI

1 stop29h 32mSpirit Airlines

Deal found 8/17

$117

Tue 10/2811:43 amBOI - DCA

1 stop8h 16mHawaiian Airlines

Deal found 8/16

$125

Tue 10/285:42 amBOI - DCA

2 stops13h 17mDelta

Deal found 8/16

$131

Sun 9/142:16 pmBOI - BWI

2 stops38h 45mMultiple Airlines

Deal found 8/16

$133

Wed 9/247:17 pmBOI - IAD

1 stop10h 16mHawaiian Airlines

Deal found 8/15

$137

Mon 9/159:26 pmBOI - BWI

3 stops20h 21mMultiple Airlines

Deal found 8/17

$137

Sat 11/12:25 pmBOI - BWI

2 stops18h 11mMultiple Airlines

Deal found 8/16

$138

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

Thu 10/2

12:22 pm-5:42 pm

1 stop27h 20m

Baltimore/Washington

Wed 10/15

6:26 pm-1:30 pm

1 stop21h 04m

$207

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 9/18

2:16 pm-4:30 am

1 stop12h 14m

Baltimore/Washington

Wed 9/24

7:02 pm-1:21 pm

1 stop20h 19m

$212

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 9/8

9:26 pm-7:01 am

2 stops31h 35m

Baltimore/Washington

Fri 9/12

7:02 pm-1:21 pm

1 stop20h 19m

$215

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 9/15

9:26 pm-4:30 am

1 stop29h 04m

Baltimore/Washington

Mon 9/22

8:16 am-8:31 pm

1 stop14h 15m

$216

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 9/18

12:22 pm-9:59 pm

1 stop7h 37m

Washington, D.C. Reagan-National

Tue 9/23

5:49 pm-11:59 pm

1 stop8h 10m

$219

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 9/18

12:22 pm-9:59 pm

1 stop7h 37m

Washington, D.C. Reagan-National

Wed 9/24

8:00 am-3:00 pm

1 stop9h 00m

$219

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Fri 9/19

9:26 pm-4:30 am

1 stop29h 04m

Baltimore/Washington

Sun 9/21

7:02 pm-8:31 pm

1 stop27h 29m

$223

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Fri 9/26

9:26 pm-4:30 am

1 stop29h 04m

Baltimore/Washington

Sun 9/28

7:02 pm-8:31 pm

1 stop27h 29m

$223

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 10/30

2:25 pm-4:30 am

1 stop12h 05m

Baltimore/Washington

Sun 11/2

6:26 pm-7:56 pm

1 stop27h 30m

$227

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 9/18

12:22 pm-9:59 pm

1 stop7h 37m

Washington, D.C. Reagan-National

Wed 9/24

1:00 pm-11:37 am

1 stop24h 37m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 50 results

...

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 13 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, July is the cheapest month in which you can book a flight from Boise to Washington, D.C. (average of $302). Flying from Boise to Washington, D.C. in April is currently the most expensive (average of $337). 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.

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

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Southwest

8.0

Very good

4,246 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Delta

8.0

Very good

7,981 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

United Airlines

7.4

Good

8,925 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

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 $228, Spirit Airlines can have you in Washington, D.C. from Boise in 7h 37m. The distance between Boise and Washington, D.C. is about 2042 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 ($290), and American Airlines ($300) offers the cheapest pricing from Boise to Washington, D.C.. You may be able to fly from Boise to Washington, D.C. for 67% 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 $90. Frontier flights start at $95 while deals on Hawaiian Airlines start at $125 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, July is the cheapest month in which you can book a flight from Boise to Washington, D.C. (average of $302). Flying from Boise to Washington, D.C. in April is currently the most expensive (average of $337). 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

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Silver Spring

Springfield

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Fairfax

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Dundalk

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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$141	Average$433	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$290	Average$454	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$300	Average$484	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$300	Average$532	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$346	Average$493	FlexibilityNo cancel fee	On-time63%

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$90+ 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 9/8. 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

Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Washington, D.C. are usually found in August or February, booked 50 days in advance, depart on a Saturday or Monday and return on a Wednesday

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 August 18, 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 August 18, 2025.

Cheapflights Fare Finder

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

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 August 8, 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 August 18, 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.

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 August 18, 2025.