HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boise

$154+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOI
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baltimore 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.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Cheap 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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/259:55 amBWI - BOI
1 stop10h 08mUnited Airlines
Sat 1/247:05 pmBOI - BWI
1 stop10h 02mUnited Airlines
Deal found 12/10$324
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/318:15 amBWI - BOI
1 stop7h 21mUnited Airlines
Sat 1/2410:15 amBOI - BWI
1 stop9h 11mUnited Airlines
Deal found 12/10$404
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/256:30 amBWI - BOI
1 stop11h 38mUnited Airlines
Mon 12/296:55 pmBOI - BWI
1 stop8h 19mUnited Airlines
Deal found 12/10$449
This Southwest deal was found by Cheapflights users on 12/10. 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.
Wed 12/316:25 amBWI - BOI
2 stops10h 40mSouthwest
Sat 1/246:50 amBOI - BWI
2 stops10h 55mSouthwest
Deal found 12/10$488
This Southwest deal was found by Cheapflights users on 12/10. 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.
Tue 12/306:15 pmBWI - BOI
1 stop8h 25mSouthwest
Sun 1/41:10 pmBOI - BWI
1 stop10h 15mSouthwest
Deal found 12/10$627
This Southwest deal was found by Cheapflights users on 12/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:10 pmBWI - BOI
1 stop14h 25mSouthwest
Sun 12/286:15 amBOI - BWI
2 stops9h 30mSouthwest
Deal found 12/11$668

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$284
(United Airlines)

One-way from

$154
(Delta)

Popular in

November

Cheapest in

January

Average price

$515
Provider with most accurate pricing for Baltimore/Washington-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Boise Air Term. Gowen Fld flights.
Search Deals
From Baltimore/Washington to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Baltimore/Washington to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 12, 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

Wed 2/11

7:00 am-4:17 pm

2 stops11h 17m

Boise Air Term. Gowen Fld

Sat 2/14

3:01 pm-11:12 pm

1 stop6h 11m

$288

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Wed 1/7

5:18 pm-10:57 pm

1 stop7h 39m

Boise Air Term. Gowen Fld

Wed 1/14

6:10 am-3:04 pm

1 stop6h 54m

$307

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Wed 1/7

6:00 am-12:46 pm

1 stop8h 46m

Boise Air Term. Gowen Fld

Wed 1/14

1:00 pm-11:44 pm

1 stop8h 44m

$307

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Wed 1/21

6:00 am-12:30 pm

1 stop8h 30m

Boise Air Term. Gowen Fld

Thu 1/22

9:15 am-11:44 pm

2 stops12h 29m

$311

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Thu 12/25

9:55 am-6:03 pm

1 stop10h 08m

Boise Air Term. Gowen Fld

Sat 1/24

7:05 pm-7:07 am

1 stop10h 02m

$324

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sun 2/1

8:45 am-8:12 pm

2 stops13h 27m

Boise Air Term. Gowen Fld

Sat 2/7

9:15 am-11:05 pm

2 stops11h 50m

$336

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Wed 2/11

2:20 pm-10:30 pm

2 stops10h 10m

Boise Air Term. Gowen Fld

Sat 2/14

6:20 am-7:05 pm

2 stops10h 45m

$343

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sun 2/1

7:14 pm-11:59 pm

1 stop30h 45m

Boise Air Term. Gowen Fld

Sat 2/7

6:23 am-6:14 pm

1 stop9h 51m

$365

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 1/13

6:00 am-12:46 pm

1 stop8h 46m

Boise Air Term. Gowen Fld

Fri 1/16

3:01 pm-11:26 pm

1 stop6h 25m

$372

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 2/21

6:05 am-1:59 pm

1 stop9h 54m

Boise Air Term. Gowen Fld

Sun 3/1

5:20 am-1:54 pm

1 stop6h 34m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 17 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Baltimore-Boise flight deals on Cheapflights vs. eDreams >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 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 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 December 5, 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 February is currently the most expensive (average of $323). 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 December 12, 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 December 12, 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
11,431 reviews

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,431 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
7.9
Good
4,253 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,005 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 39m. Fly via Delta or United Airlines 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 $208, 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 54% 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 Delta. According to our data, you can fly for as low as $118. Users have also found prices from $158 and $208 on United Airlines and Southwest, 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 February is currently the most expensive (average of $323). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Baltimore to Boise

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Jackson flights
Reagan-National to Jackson flights
Baltimore to Jackson flights
Philadelphia to Jackson flights
Dulles Intl to Boise flights
Dulles Intl to Spokane flights
Reagan-National to Spokane flights
Dulles Intl to Hailey flights
Dulles Intl to Idaho Falls flights
Reagan-National to Boise flights
Baltimore to Spokane flights
Philadelphia to Spokane flights
Baltimore to Idaho Falls flights
Baltimore to Hailey flights
Reagan-National to Hailey flights
Philadelphia to Boise flights
Reagan-National to Idaho Falls flights
Philadelphia to Idaho Falls flights
Philadelphia to Hailey flights
Dulles Intl to West Yellowstone flights
Reagan-National to West Yellowstone flights
Baltimore to West Yellowstone flights
Philadelphia to West Yellowstone flights
Reagan-National to Pocatello flights
Baltimore to Lewiston flights
Reagan-National to Lewiston flights
Philadelphia to Twin Falls flights
Dulles Intl to Lewiston flights
Philadelphia to Pocatello flights
Dulles Intl to Twin Falls flights
Baltimore to Pocatello flights
Dulles Intl to Pocatello flights
Baltimore to Twin Falls flights
Reagan-National to Twin Falls flights

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$230Average$431FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$298Average$470FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$321Average$372FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$346Average$482FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.