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$153+ Cheap flights from Baltimore to Boise (BWI - 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOI
nov. 26 — déc. 31
mer. 11/26
mer. 12/3
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Baltimore/Washington to Boise Air Term. Gowen Fld are usually found in September or April, booked 32 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from Baltimore to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) 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 octobre 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$286
(KAYAK)

One-way from

$153
(Alaska Airlines)

Popular in

November

Cheapest in

September

Average price

$412
Provider with most accurate pricing for Baltimore/Washington-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Baltimore/Washington-Boise Air Term. Gowen Fld flights.
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From Baltimore/Washington to Boise Air Term. Gowen Fld
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One-way flight from Baltimore/Washington to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 14% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Baltimore to Boise

Cheapest flights from Baltimore to Boise
Explore the most affordable flight options available from Baltimore to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octobre 27, 2025.

This Delta deal was found by Cheapflights users on 10/25. 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.
mar. 12/96:56 pmBWI - BOI
1 stop7h 13mDelta
mar. 12/162:04 pmBOI - BWI
1 stop8h 15mDelta
Deal found 10/25$307
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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.
jeu. 12/47:16 pmBWI - BOI
1 stop17h 18mAlaska Airlines
sam. 1/106:23 amBOI - BWI
1 stop9h 51mAlaska Airlines
Deal found 10/26$328
This Delta deal was found by Cheapflights users on 10/25. 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.
jeu. 12/47:02 amBWI - BOI
1 stop7h 52mDelta
sam. 1/101:48 pmBOI - BWI
1 stop7h 51mDelta
Deal found 10/25$329
This United Airlines deal was found by Cheapflights users on 10/27. 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.
mer. 11/266:15 amBWI - BOI
1 stop7h 24mUnited Airlines
mer. 12/36:20 amBOI - BWI
1 stop6h 51mUnited Airlines
Deal found 10/27$342
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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.
jeu. 12/47:16 pmBWI - BOI
1 stop17h 18mAlaska Airlines
jeu. 12/118:55 amBOI - BWI
1 stop18h 45mAlaska Airlines
Deal found 10/25$350
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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. 12/97:00 amBWI - BOI
1 stop11h 16mAlaska Airlines
mar. 12/165:45 amBOI - BWI
2 stops10h 31mAlaska Airlines
Deal found 10/25$360
This Southwest deal was found by Cheapflights users on 10/25. 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.
jeu. 12/46:25 amBWI - BOI
2 stops10h 40mSouthwest
jeu. 12/117:20 amBOI - BWI
1 stop10h 25mSouthwest
Deal found 10/25$370
This Southwest deal was found by Cheapflights users on 10/25. 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.
sam. 12/205:05 pmBWI - BOI
2 stops10h 35mSouthwest
dim. 1/181:30 pmBOI - BWI
1 stop6h 35mSouthwest
Deal found 10/25$383
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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.
sam. 11/157:38 amBWI - BOI
1 stop9h 34mAlaska Airlines
sam. 11/226:00 pmBOI - BWI
1 stop9h 39mAlaska Airlines
Deal found 10/25$384

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore 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 octobre 27, 2025.
Use the filters below to find and compare flights from Baltimore to Boise that are best for you.

Fly from

Baltimore

Fly to

Boise

Route

Depart

Return

Price

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

mar. 1/6

10:05 am-9:52 pm

2 stops13h 47m

Boise Air Term. Gowen Fld

mar. 1/13

12:19 pm-9:41 pm

1 stop7h 22m

$312

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

jeu. 12/4

7:16 pm-10:34 am

1 stop17h 18m

Boise Air Term. Gowen Fld

sam. 1/10

6:23 am-6:14 pm

1 stop9h 51m

$328

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

jeu. 12/4

7:02 am-12:54 pm

1 stop7h 52m

Boise Air Term. Gowen Fld

sam. 1/10

5:30 am-8:30 pm

2 stops13h 00m

$334

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

mar. 1/6

2:20 pm-10:30 pm

2 stops10h 10m

Boise Air Term. Gowen Fld

mar. 1/13

7:45 am-8:10 pm

2 stops10h 25m

$339

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

jeu. 1/1

7:04 am-4:06 pm

1 stop11h 02m

Boise Air Term. Gowen Fld

dim. 1/4

9:55 am-5:44 am

1 stop17h 49m

$362

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

sam. 12/20

5:05 pm-1:40 am

2 stops10h 35m

Boise Air Term. Gowen Fld

dim. 1/18

1:30 pm-10:05 pm

1 stop6h 35m

$383

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

jeu. 1/22

3:00 pm-8:57 pm

1 stop7h 57m

Boise Air Term. Gowen Fld

dim. 1/25

5:20 am-1:57 pm

1 stop6h 37m

$394

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

mar. 11/18

7:38 am-4:17 pm

1 stop10h 39m

$153

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

mar. 12/9

7:00 am-3:26 pm

1 stop10h 26m

$153

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

mar. 12/9

6:00 am-2:18 pm

2 stops10h 18m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 18 results
1
2

Compare providers for flights from Baltimore 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 Baltimore to Boise in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 Baltimore-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Boise 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 Baltimore-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 Baltimore to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Baltimore 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 Baltimore to Boise

How far ahead should I book a flight from Baltimore to Boise?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to Boise. Price data was last updated on October 24, 2025.

Booking 32 days in advance of your planned departure date is, on average, the best time to get cheap flights from Baltimore 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 Baltimore to Boise?

Currently, September is the cheapest month in which you can book a flight from Baltimore to Boise (average of $150). Flying from Baltimore 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 BWI to BOI?

Find hourly flight availability from Baltimore 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 octobre 27, 2025.

A simple way to save on the total cost of your ticket is to fly from Baltimore to Boise at noon. If you’re flexible enough to do this you can expect to save up to 54% on your trip compared to booking a flight in the evening.

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 octobre 27, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Baltimore to Boise to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,193 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,193 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,995 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,997 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Baltimore to Boise?

    There are many flights that can get you from Baltimore to Boise in 7h 52m. Fly via United Airlines, Alaska Airlines, or Delta to get the fastest option. Airlines will cover a distance of 2052 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Baltimore to Boise round-trip?

    Delta, at $230, was found to be the cheapest airline from Baltimore to Boise.Alternate airlines to your destination round-trip include United Airlines and Alaska Airlines. Delta is currently priced 50% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Baltimore to Boise one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $153. Users have also found prices from $159 and $182 on Delta and Frontier, respectively.

  • Can I find deals for flights from Baltimore to Boise that include hotel bookings?

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

  • How can I find direct flights from Baltimore to Boise?

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

  • Can I find deals for business class flights from Baltimore to Boise?

    Yes. Cheapflights offers flight deals from Baltimore 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 Baltimore to Boise?

    Currently, September is the cheapest month in which you can book a flight from Baltimore to Boise (average of $150). Flying from Baltimore 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 4 airlines flying from Baltimore to Boise

Discover the top 4 airlines that operate flights from Baltimore 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 octobre 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$230Average$444FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$298Average$474FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$321Average$372FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$347Average$487FlexibilityNo cancel feeOn-time63%

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