Boise

$142+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BOI
jun. 17 — jun. 241
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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 junio 12, 2025.

Round-trip from

$284
(Hawaiian Airlines)

One-way from

$142
(Hawaiian Airlines)

Popular in

December

Cheapest in

April

Average price

$442
From Washington, D.C. (WAS) to Boise Air Term. Gowen Fld
One-way flight from Washington, D.C. (WAS) to Boise Air Term. Gowen Fld
Highest demand for flights based on searches. 19% potential increase in price ($105 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 junio 12, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/97:00 amIAD - BOI
1 stop10h 00mHawaiian Airlines
mar. 9/167:17 pmBOI - IAD
1 stop10h 15mHawaiian Airlines
Deal found 6/10$284
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/268:00 amDCA - BOI
1 stop9h 00mHawaiian Airlines
mié. 8/276:00 amBOI - DCA
1 stop8h 06mHawaiian Airlines
Deal found 6/11$284
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/166:27 amIAD - BOI
1 stop8h 19mAmerican Airlines
mar. 8/197:00 amBOI - IAD
1 stop9h 56mAmerican Airlines
Deal found 6/11$285
This Delta deal was found by Cheapflights users on 6/11. 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.
mié. 8/64:59 pmDCA - BOI
1 stop9h 04mDelta
mié. 8/136:00 amBOI - DCA
1 stop8h 10mDelta
Deal found 6/11$285
This United Airlines deal was found by Cheapflights users on 6/11. 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.
lun. 8/255:47 pmIAD - BOI
1 stop6h 34mUnited Airlines
mar. 8/267:45 amBOI - IAD
1 stop9h 07mUnited Airlines
Deal found 6/11$286
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
mar. 9/97:00 amBWI - BOI
1 stop10h 00mAlaska Airlines
mar. 9/164:34 pmBOI - BWI
1 stop10h 59mAlaska Airlines
Deal found 6/10$287
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/158:00 amBWI - BOI
1 stop14h 44mSpirit Airlines
vie. 9/199:49 pmBOI - BWI
1 stop24h 21mSpirit Airlines
Deal found 6/11$291
This Delta deal was found by Cheapflights users on 6/10. 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.
mié. 8/276:00 amBWI - BOI
2 stops10h 01mDelta
dom. 8/3112:45 pmBOI - BWI
1 stop9h 11mDelta
Deal found 6/10$292
This Delta deal was found by Cheapflights users on 6/10. 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.
mié. 8/273:26 pmIAD - BOI
2 stops9h 34mDelta
dom. 8/316:00 amBOI - IAD
2 stops10h 49mDelta
Deal found 6/10$295
This United Airlines deal was found by Cheapflights users on 6/10. 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.
lun. 9/226:15 amBWI - BOI
1 stop7h 16mUnited Airlines
mié. 9/247:09 pmBOI - BWI
2 stops10h 57mUnited Airlines
Deal found 6/10$297
This Southwest deal was found by Cheapflights users on 6/10. 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.
jue. 9/119:05 amDCA - BOI
1 stop8h 45mSouthwest
lun. 9/151:10 pmBOI - DCA
1 stop8h 15mSouthwest
Deal found 6/10$297
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/235:00 amDCA - BOI
1 stop7h 54mAmerican Airlines
mié. 8/131:07 pmBOI - DCA
1 stop8h 43mAmerican Airlines
Deal found 6/12$302

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 junio 12, 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

mar. 9/9

7:00 am-3:00 pm

1 stop10h 00m

Boise Air Term. Gowen Fld

mar. 9/16

7:17 pm-7:32 am

1 stop10h 15m

$284

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

mar. 8/26

8:00 am-3:00 pm

1 stop9h 00m

Boise Air Term. Gowen Fld

mié. 8/27

6:00 am-4:06 pm

1 stop8h 06m

$284

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

sáb. 8/16

6:27 am-12:46 pm

1 stop8h 19m

Boise Air Term. Gowen Fld

mar. 8/19

7:00 am-6:56 pm

1 stop9h 56m

$285

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

mié. 8/6

4:59 pm-12:03 am

1 stop9h 04m

Boise Air Term. Gowen Fld

mié. 8/13

6:00 am-4:10 pm

1 stop8h 10m

$285

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

lun. 8/25

5:47 pm-10:21 pm

1 stop6h 34m

Boise Air Term. Gowen Fld

mar. 8/26

7:45 am-6:52 pm

1 stop9h 07m

$286

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

mar. 9/9

7:00 am-3:00 pm

1 stop10h 00m

Boise Air Term. Gowen Fld

mar. 9/16

4:34 pm-5:33 am

1 stop10h 59m

$287

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

lun. 9/15

8:00 am-8:44 pm

1 stop14h 44m

Boise Air Term. Gowen Fld

vie. 9/19

9:49 pm-12:10 am

1 stop24h 21m

$291

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

mié. 8/27

6:00 am-2:01 pm

2 stops10h 01m

Boise Air Term. Gowen Fld

dom. 8/31

12:45 pm-11:56 pm

1 stop9h 11m

$292

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

mié. 8/27

3:26 pm-11:00 pm

2 stops9h 34m

Boise Air Term. Gowen Fld

dom. 8/31

6:00 am-6:49 pm

2 stops10h 49m

$295

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

jue. 9/11

9:05 am-3:50 pm

1 stop8h 45m

Boise Air Term. Gowen Fld

lun. 9/15

1:10 pm-11:25 pm

1 stop8h 15m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 50 results
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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 June 9, 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, 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 $395). 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 junio 12, 2025.

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.

Rainfall in Boise by month

Plan your trip to Boise by taking into account the average rainfall totals by month.

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.

Temperature in Boise by month

Plan your trip to Boise by taking into account the average temperature totals by month.

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).

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 junio 12, 2025.
To help decide which airline to fly from Washington, D.C. to Boise, see what other customers have to say about Alaska Airlines, Southwest and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Hawaiian Airlines, at $284, was found to be the cheapest airline from Washington, D.C. to Boise.Alternate airlines to your destination round-trip include American Airlines and Delta. Users have found that Hawaiian Airlines is 34% 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 Hawaiian Airlines. According to our data, you can fly for as low as $142. Users have also found prices from $143 and $143 on Delta and American Airlines, respectively.

  • 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?

    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 $395). 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 Washington, D.C.?

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Nampa
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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$230Average$527FlexibilityNo cancel feeOn-time75%
DeltaCheapest$230Average$426FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$541FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$293Average$479FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$347Average$538FlexibilityNo cancel feeOn-time63%

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