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$97+ 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BOI
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
1 adult, Economy
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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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$276
(Delta)

One-way from

$97
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$373
Provider with most accurate pricing for Washington, D.C. (WAS)-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Boise Air Term. Gowen Fld flights.
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From Washington, D.C. (WAS) to Boise Air Term. Gowen Fld
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One-way flight from Washington, D.C. (WAS) to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 18% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 24, 2025.

This Southwest deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:30 pmBWI - BOI
1 stop7h 55mSouthwest
Tue 1/61:30 pmBOI - BWI
1 stop6h 35mSouthwest
Deal found 11/22$372
This Delta deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amBWI - BOI
2 stops10h 49mDelta
Tue 1/69:15 amBOI - BWI
2 stops12h 11mDelta
Deal found 11/22$397
This Southwest deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:25 pmBWI - BOI
1 stop13h 35mSouthwest
Tue 1/61:30 pmBOI - BWI
1 stop6h 35mSouthwest
Deal found 11/23$411
This Delta deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:15 amBWI - BOI
2 stops10h 47mDelta
Mon 12/151:54 pmBOI - BWI
2 stops14h 06mDelta
Deal found 11/23$416
This Expedia deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:00 pmDCA - BOI
1 stop8h 50mMultiple Airlines
Fri 12/1212:44 pmBOI - DCA
1 stop7h 15mMultiple Airlines
Deal found 11/23$428
This Alaska Airlines deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:00 amBWI - BOI
1 stop11h 16mAlaska Airlines
Tue 1/69:50 pmBOI - BWI
1 stop18h 24mAlaska Airlines
Deal found 11/23$431
This United Airlines deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1310:20 amBWI - BOI
2 stops11h 23mUnited Airlines
Tue 1/610:15 amBOI - BWI
1 stop9h 11mUnited Airlines
Deal found 11/23$437
This Southwest deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:35 pmBWI - BOI
1 stop7h 50mSouthwest
Wed 12/245:50 pmBOI - BWI
1 stop9h 55mSouthwest
Deal found 11/22$438
This Kiwi.com deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:00 amDCA - BOI
1 stop29h 59mFrontier
Thu 1/112:38 pmBOI - DCA
1 stop7h 21mFrontier
Deal found 11/22$454
This Delta deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:36 pmBWI - BOI
2 stops8h 33mDelta
Tue 1/610:39 amBOI - BWI
2 stops10h 26mDelta
Deal found 11/23$462
This Priceline deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/242:00 pmDCA - BOI
1 stop7h 59mFrontier
Fri 11/2812:48 pmBOI - DCA
1 stop7h 11mFrontier
Deal found 11/23$462
This Alaska Airlines deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:34 amIAD - BOI
1 stop9h 52mAlaska Airlines
Tue 1/66:55 amBOI - IAD
1 stop8h 26mAlaska Airlines
Deal found 11/23$471

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 24, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Boise that are best for you.

Fly from

Washington, D.C.

Fly to

Boise

Route

Depart

Return

Price

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 1/8

7:30 am-4:17 pm

1 stop10h 47m

Boise Air Term. Gowen Fld

Mon 1/12

10:39 am-11:10 pm

1 stop10h 31m

$287

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Thu 1/8

5:01 pm-11:59 pm

1 stop8h 58m

Boise Air Term. Gowen Fld

Mon 1/12

5:55 pm-4:09 pm

1 stop20h 14m

$287

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 1/22

7:30 am-4:17 pm

1 stop10h 47m

Boise Air Term. Gowen Fld

Sun 1/25

10:39 am-11:10 pm

1 stop10h 31m

$287

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 2/11

7:30 am-4:17 pm

1 stop10h 47m

Boise Air Term. Gowen Fld

Sun 2/15

1:46 pm-11:10 pm

1 stop7h 24m

$287

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 2/14

7:30 am-4:05 pm

1 stop10h 35m

Boise Air Term. Gowen Fld

Tue 2/17

10:36 am-11:10 pm

1 stop10h 34m

$287

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 1/22

7:30 am-4:17 pm

1 stop10h 47m

Boise Air Term. Gowen Fld

Mon 1/26

10:39 am-11:10 pm

1 stop10h 31m

$287

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 2/10

7:30 am-9:58 pm

1 stop16h 28m

Boise Air Term. Gowen Fld

Sat 2/14

8:50 am-11:15 pm

1 stop12h 25m

$287

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Thu 1/8

11:24 am-9:58 pm

2 stops12h 34m

Boise Air Term. Gowen Fld

Mon 1/12

5:15 pm-11:26 pm

2 stops28h 11m

$297

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Fri 2/13

6:05 am-4:05 pm

2 stops12h 00m

Boise Air Term. Gowen Fld

Tue 2/17

10:36 am-10:55 pm

2 stops10h 19m

$297

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Sat 2/14

8:00 am-10:40 pm

1 stop16h 40m

Boise Air Term. Gowen Fld

Tue 2/17

6:00 pm-4:06 pm

1 stop20h 06m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/23

Showing 1-10 of 43 results
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Compare providers for flights from Washington, D.C. to Boise

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 Washington, D.C. to Boise in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 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 Washington, D.C.-Boise flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C.-Boise flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Boise flights, Cheapflights users trust eDreams the most. eDreams 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 Washington, D.C.-Boise 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 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?

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 November 21, 2025.

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, September is the cheapest month in which you can book a flight from Washington, D.C. to Boise (average of $150). Flying from Washington, D.C. to Boise in January is currently the most expensive (average of $335). 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?

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 November 24, 2025.

It’s typically best to fly out from Washington, D.C. to Boise at noon. Doing so could potentially save you 32% on the flight price compared to flying in the evening, which is usually more expensive.

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

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 November 24, 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.
Alaska Airlines
8.0
Very good
11,341 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Alaska Airlines
8.0
Very good
11,341 reviews
Alaska Airlines
8.0
Very good
11,341 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Southwest
8.0
Very good
4,252 reviews
Alaska Airlines
8.0
Very good
11,341 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Delta
7.9
Good
7,997 reviews
Alaska Airlines
8.0
Very good
11,341 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
United Airlines
7.4
Good
9,036 reviews
Alaska Airlines
8.0
Very good
11,341 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
American Airlines
7.2
Good
11,046 reviews
Alaska Airlines
8.0
Very good
11,341 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

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.?

    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.

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

    Airlines like Delta and Alaska Airlines fly from Washington, D.C. to Boise in about 8h 58m. The time it takes to get you to your destination can typically vary by up to 1h 49m. Washington, D.C. and Boise are separated by a distance of 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 Washington, D.C. to Boise round-trip?

    Alaska Airlines, at $182, was found to be the cheapest airline from Washington, D.C. to Boise.Alternate airlines to your destination round-trip include Delta and United Airlines. Users have found that Alaska Airlines is 56% 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 $97. Users have also found prices from $154 and $158 on American Airlines and Delta, 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, Washington, D.C. Reagan-National - Boise Air Term. Gowen Fld or Baltimore/Washington - 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, September is the cheapest month in which you can book a flight from Washington, D.C. to Boise (average of $150). Flying from Washington, D.C. to Boise in January is currently the most expensive (average of $335). 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

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Ontario
Meridian
Nampa
Caldwell
McCall

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

Discover the top 5 airlines that operate flights from Washington, D.C. to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$182Average$414FlexibilityNo cancel feeOn-time75%
DeltaCheapest$202Average$397FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$222Average$556FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$300Average$437FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$347Average$511FlexibilityNo cancel feeOn-time63%

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