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

Delta, at $202, was found to be the cheapest airline from Washington, D.C. to Boise.Alternate airlines to your destination round-trip include Alaska Airlines and United Airlines. Users have found that Delta is 54% cheaper than the other options available to this destination.

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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $87. Users have also found prices from $112 and $125 on Spirit Airlines and Hawaiian Airlines, respectively.

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

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

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

If weather is an important factor for your trip to Boise, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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

Most travelers choose Washington, D.C. Dulles Intl - Boise Air Term. Gowen Fld, Baltimore/Washington - Boise Air Term. Gowen Fld or Washington, D.C. Reagan-National - Boise Air Term. Gowen Fld when deciding on the best route from Washington, D.C. to Boise.

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

When booking a flight from Washington, D.C. to Boise, you may want to consider flying on Alaska Airlines, Delta or United Airlines as they are the most popular for this route.

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

Flights from Washington, D.C. to Boise are found to be more expensive on Sunday. 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 Boise.

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

To save on the cost of your flight from Washington, D.C. to Boise, book at least 30 days before your planned departure. Booking around this time can save you about 136% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $229 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $435.

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

April is one of the best times of the year to fly to Boise from Washington, D.C.. Prices for April average $439 per person but you can even find prices for as low as $212. The most expensive prices can be found in the month of December. Opting for a April flight can save you 67% on your journey compared to booking in December

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

Most people fly into Boise Air Term. Gowen Fld (BOI) if they book a flight to Boise from Washington, D.C.. On average, Air Term. Gowen Fld has 0 inbound flights from 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 Washington, D.C. to Boise that include hotel bookings?

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

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

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

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

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

$87+ Flights from Washington, D.C. to Boise

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

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Cheapflights Tip: The best prices from Washington, D.C. to Boise Air Term. Gowen Fld are usually found in April or May, booked 75 days in advance, depart on a Wednesday or Saturday and return on a Saturday

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

Round-trip from	$196 (FlightHub)
One-way from	$87 (Cheapflightsfares)
Popular in	December
Cheapest in	April
Average price	$418

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($105 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

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

Cheapest flights from Washington, D.C. to Boise
Explore the most affordable flight options available from Washington, D.C. to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Wed 9/171:00 pmDCA - BOI

1 stop24h 37mFrontier

Sun 9/2112:22 pmBOI - DCA

1 stop21h 48mFrontier

Deal found 8/14

$196

Thu 9/257:02 pmBWI - BOI

1 stop27h 29mSpirit Airlines

Sun 9/282:16 pmBOI - BWI

1 stop12h 14mSpirit Airlines

Deal found 8/14

$209

Thu 9/117:02 pmBWI - BOI

1 stop27h 29mSpirit Airlines

Mon 9/159:26 pmBOI - BWI

1 stop29h 04mSpirit Airlines

Deal found 8/13

$213

Thu 9/117:02 pmBWI - BOI

1 stop27h 29mMultiple Airlines

Sun 9/1412:22 pmBOI - BWI

1 stop27h 20mMultiple Airlines

Deal found 8/14

$215

Mon 9/158:16 amBWI - BOI

1 stop14h 15mSpirit Airlines

Mon 9/229:26 pmBOI - BWI

1 stop29h 04mSpirit Airlines

Deal found 8/11

$217

Thu 9/47:00 amDCA - BOI

1 stop6h 37mMultiple Airlines

Tue 9/96:00 amBOI - DCA

1 stop8h 06mMultiple Airlines

Deal found 8/14

$219

Thu 9/117:00 amDCA - BOI

1 stop6h 37mFrontier

Sun 9/1412:22 pmBOI - DCA

1 stop21h 48mFrontier

Deal found 8/14

$228

Fri 10/176:22 pmBWI - BOI

1 stop20h 59mSpirit Airlines

Mon 10/208:58 pmBOI - BWI

1 stop18h 19mSpirit Airlines

Deal found 8/12

$233

Fri 9/197:02 pmBWI - BOI

1 stop20h 19mSpirit Airlines

Fri 9/269:26 pmBOI - BWI

2 stops23h 50mSpirit Airlines

Deal found 8/12

$237

Thu 10/27:02 pmBWI - BOI

1 stop27h 29mSpirit Airlines

Mon 10/69:26 pmBOI - BWI

1 stop29h 04mSpirit Airlines

Deal found 8/12

$245

Tue 9/239:00 amIAD - BOI

1 stop10h 18mHawaiian Airlines

Tue 9/302:28 pmBOI - IAD

1 stop7h 55mHawaiian Airlines

Deal found 8/14

$250

Mon 10/277:50 amBWI - BOI

1 stop14h 06mSpirit Airlines

Mon 11/38:58 pmBOI - BWI

2 stops11h 30mSpirit Airlines

Deal found 8/12

$250

Best flights from Washington, D.C. to Boise
Discover carefully curated flight deals from Washington, D.C. to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Wed 9/171:00 pmDCA - BOI

1 stop24h 37mFrontier

Sun 9/2112:22 pmBOI - DCA

1 stop21h 48mFrontier

Deal found 8/14

$196

Thu 9/257:02 pmBWI - BOI

1 stop27h 29mSpirit Airlines

Sun 9/282:16 pmBOI - BWI

1 stop12h 14mSpirit Airlines

Deal found 8/14

$209

Thu 9/117:02 pmBWI - BOI

1 stop27h 29mMultiple Airlines

Sun 9/1412:22 pmBOI - BWI

1 stop27h 20mMultiple Airlines

Deal found 8/14

$215

Wed 10/297:43 amIAD - BOI

1 stop10h 34mHawaiian Airlines

Wed 11/57:01 amBOI - IAD

1 stop8h 12mHawaiian Airlines

Deal found 8/13

$250

Tue 9/96:09 pmIAD - BOI

1 stop7h 59mAlaska Airlines

Tue 9/167:17 pmBOI - IAD

1 stop10h 16mAlaska Airlines

Deal found 8/12

$250

Tue 9/307:05 pmIAD - BOI

1 stop6h 54mDelta

Tue 10/711:12 amBOI - IAD

2 stops10h 06mDelta

Deal found 8/12

$256

Tue 9/95:00 amDCA - BOI

2 stops10h 17mAmerican Airlines

Tue 9/161:38 pmBOI - DCA

1 stop9h 20mAmerican Airlines

Deal found 8/12

$256

Mon 10/277:50 amBWI - BOI

1 stop14h 06mSpirit Airlines

Mon 11/38:58 pmBOI - BWI

1 stop18h 23mSpirit Airlines

Deal found 8/12

$209

Fri 9/127:02 pmBWI - BOI

1 stop20h 19mMultiple Airlines

Sun 9/1412:22 pmBOI - BWI

1 stop27h 20mMultiple Airlines

Deal found 8/13

$215

Sun 10/267:00 amDCA - BOI

1 stop6h 43mFrontier

Sun 11/212:53 pmBOI - DCA

1 stop7h 06mFrontier

Deal found 8/14

$228

Mon 10/67:50 amBWI - BOI

1 stop14h 06mSpirit Airlines

Mon 10/138:58 pmBOI - BWI

1 stop29h 32mSpirit Airlines

Deal found 8/14

$209

Thu 9/47:00 amDCA - BOI

1 stop6h 37mMultiple Airlines

Tue 9/96:00 amBOI - DCA

1 stop8h 06mMultiple Airlines

Deal found 8/14

$219

Last-minute flights from Washington, D.C. to Boise
Discover last-minute flight deals from Washington, D.C. to Boise. Data last updated August 14, 2025 and is based on user searches.

Tue 8/199:30 amIAD - BOI

2 stops52h 08mFrontier

Sun 8/2412:33 pmBOI - IAD

2 stops18h 54mFrontier

Deal found 8/12

$423

Thu 8/217:00 amDCA - BOI

1 stop6h 38mFrontier

Sun 8/2412:33 pmBOI - DCA

1 stop21h 38mFrontier

Deal found 8/13

$279

Thu 8/216:29 pmBWI - BOI

1 stop19h 09mFrontier

Sun 8/2412:33 pmBOI - BWI

1 stop27h 08mFrontier

Deal found 8/13

$373

Thu 8/218:19 pmIAD - BOI

2 stops17h 19mMultiple Airlines

Tue 8/267:00 amBOI - IAD

2 stops15h 20mMultiple Airlines

Deal found 8/12

$514

Thu 8/219:33 pmIAD - BOI

2 stops16h 05mFrontier

Sun 8/2412:33 pmBOI - IAD

2 stops15h 57mFrontier

Deal found 8/13

$525

Fri 8/228:00 amIAD - BOI

1 stop11h 11mMultiple Airlines

Mon 8/256:06 pmBOI - IAD

2 stops25h 33mMultiple Airlines

Deal found 8/11

$546

Sat 8/237:00 amBWI - BOI

1 stop10h 00mAlaska Airlines

Wed 9/102:28 pmBOI - BWI

1 stop13h 11mAlaska Airlines

Deal found 8/13

$488

Sat 8/238:30 amBWI - BOI

2 stops10h 28mUnited Airlines

Wed 9/107:09 pmBOI - BWI

1 stop8h 39mUnited Airlines

Deal found 8/13

$494

Sat 8/239:00 amIAD - BOI

1 stop8h 00mAlaska Airlines

Wed 9/102:28 pmBOI - IAD

1 stop7h 55mAlaska Airlines

Deal found 8/13

$509

Sat 8/238:00 amDCA - BOI

1 stop11h 18mAlaska Airlines

Wed 9/108:10 amBOI - DCA

1 stop10h 49mAlaska Airlines

Deal found 8/13

$509

Sat 8/239:33 pmIAD - BOI

2 stops16h 05mMultiple Airlines

Mon 8/257:17 pmBOI - IAD

1 stop10h 15mMultiple Airlines

Deal found 8/12

$513

Sat 8/2312:49 pmBWI - BOI

3 stops30h 22mSpirit Airlines

Mon 8/256:06 pmBOI - BWI

3 stops24h 56mSpirit Airlines

Deal found 8/13

$552

One-way flights from Washington, D.C. to Boise
Search for one-way flight options from Washington, D.C. to Boise. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Fri 10/177:00 amDCA - BOI

1 stop6h 43mFrontier

Deal found 8/14

$87

Wed 9/31:00 pmDCA - BOI

1 stop24h 37mFrontier

Deal found 8/14

$97

Wed 9/35:45 amBWI - BOI

2 stops33h 36mSpirit Airlines

Deal found 8/14

$112

Wed 8/271:00 pmDCA - BOI

1 stop24h 38mFrontier

Deal found 8/14

$116

Wed 10/226:22 pmBWI - BOI

1 stop20h 59mSpirit Airlines

Deal found 8/11

$117

Sun 9/147:02 pmBWI - BOI

1 stop27h 29mSpirit Airlines

Deal found 8/14

$122

Tue 9/29:00 amIAD - BOI

1 stop10h 18mHawaiian Airlines

Deal found 8/12

$125

Tue 9/25:49 pmDCA - BOI

1 stop8h 10mAlaska Airlines

Deal found 8/12

$125

Wed 10/157:35 amIAD - BOI

1 stop10h 31mDelta

Deal found 8/13

$126

Tue 10/146:43 pmDCA - BOI

1 stop7h 11mDelta

Deal found 8/12

$126

Wed 8/201:00 pmDCA - BOI

1 stop24h 38mFrontier

Deal found 8/12

$128

Wed 10/226:05 amIAD - BOI

2 stops9h 57mDelta

Deal found 8/11

$131

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Wed 9/17

1:00 pm-11:37 am

1 stop24h 37m

Boise Air Term. Gowen Fld

Sun 9/21

12:22 pm-12:10 pm

1 stop21h 48m

$196

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Thu 9/25

7:02 pm-8:31 pm

1 stop27h 29m

Boise Air Term. Gowen Fld

Sun 9/28

2:16 pm-4:30 am

1 stop12h 14m

$209

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Mon 10/27

7:50 am-7:56 pm

1 stop14h 06m

Boise Air Term. Gowen Fld

Mon 11/3

8:58 pm-5:21 pm

1 stop18h 23m

$209

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Mon 10/6

7:50 am-7:56 pm

1 stop14h 06m

Boise Air Term. Gowen Fld

Mon 10/13

8:58 pm-4:30 am

1 stop29h 32m

$209

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Thu 9/11

7:02 pm-8:31 pm

1 stop27h 29m

Boise Air Term. Gowen Fld

Mon 9/15

9:26 pm-4:30 am

1 stop29h 04m

$213

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Fri 9/19

7:02 pm-1:21 pm

1 stop20h 19m

Boise Air Term. Gowen Fld

Fri 9/26

9:26 pm-4:30 am

1 stop29h 04m

$213

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Thu 9/11

7:02 pm-8:31 pm

1 stop27h 29m

Boise Air Term. Gowen Fld

Sun 9/14

12:22 pm-5:42 pm

1 stop27h 20m

$215

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Fri 9/12

7:02 pm-1:21 pm

1 stop20h 19m

Boise Air Term. Gowen Fld

Sun 9/14

12:22 pm-5:42 pm

1 stop27h 20m

$215

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Mon 9/15

8:16 am-8:31 pm

1 stop14h 15m

Boise Air Term. Gowen Fld

Mon 9/22

9:26 pm-4:30 am

1 stop29h 04m

$217

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Thu 9/4

7:00 am-11:37 am

1 stop6h 37m

Boise Air Term. Gowen Fld

Tue 9/9

6:00 am-4:06 pm

1 stop8h 06m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 57 results

...

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

Have a flexible travel schedule? Discover the best time to fly to Boise from Washington, D.C. 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 Washington, D.C. to Boise

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

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Boise. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Boise (average of $314). Flying from Washington, D.C. to Boise in June is currently the most expensive (average of $399). 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 WAS to BOI?

It’s typically best to fly out from Washington, D.C. to Boise at noon. Doing so could potentially save you 30% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing Boise

See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Washington, D.C. to Boise 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

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Southwest

8.0

Very good

4,244 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Delta

8.0

Very good

7,980 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

United Airlines

7.4

Good

8,916 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Related info for your journey

What airport do you fly into for flights to Boise from Washington, D.C.?
Most people fly into Boise Air Term. Gowen Fld (BOI) if they book a flight to Boise from Washington, D.C.. On average, Air Term. Gowen Fld has 0 inbound flights from 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 Washington, D.C. to Boise round-trip?
Delta, at $202, was found to be the cheapest airline from Washington, D.C. to Boise.Alternate airlines to your destination round-trip include Alaska Airlines and United Airlines. Users have found that Delta is 54% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Washington, D.C. to Boise one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $87. Users have also found prices from $112 and $125 on Spirit Airlines and Hawaiian Airlines, respectively.
What are the most popular routes from Washington, D.C. to Boise?
Most travelers choose Washington, D.C. Dulles Intl - Boise Air Term. Gowen Fld, Baltimore/Washington - Boise Air Term. Gowen Fld or Washington, D.C. Reagan-National - Boise Air Term. Gowen Fld when deciding on the best route from Washington, D.C. to Boise.
Can I find deals for flights from Washington, D.C. to Boise that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Boise?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Boise.
Can I find deals for business class flights from Washington, D.C. to Boise?
Yes. Cheapflights offers flight deals from Washington, D.C. to Boise 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 Washington, D.C. to Boise?
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Boise (average of $314). Flying from Washington, D.C. to Boise in June is currently the most expensive (average of $399). 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

Ontario

Meridian

Nampa

Caldwell

McCall

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Boise

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Other flights to Boise

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

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$202	Average$407	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$230	Average$485	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$278	Average$560	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$327	Average$536	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$347	Average$512	FlexibilityNo cancel fee	On-time63%

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$87+ Cheap flights from Washington, D.C. (WAS) to Boise (BOI)

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Boise 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 Washington, D.C. to Boise Air Term. Gowen Fld are usually found in April or May, booked 75 days in advance, depart on a Wednesday or Saturday and return on a Saturday

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

Cheapest flights from Washington, D.C. to BoiseExplore the most affordable flight options available from Washington, D.C. to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from Washington, D.C. to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Boise. Price data was last updated on August 8, 2025.

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

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

Find hourly flight availability from Washington, D.C. to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated August 14, 2025.

See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Washington, D.C. to Boise 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 Washington, D.C. to Boise. 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 into for flights to Boise from Washington, D.C.?

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

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

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

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

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

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

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

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Alternative routes for Washington, D.C. to Boise

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

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Cheapest flights from Washington, D.C. to Boise
Explore the most affordable flight options available from Washington, D.C. to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.