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$106+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOI
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Baltimore/Washington to Boise Air Term. Gowen Fld are usually found in April or September, booked 11 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$210
(Cheapflightsfares)

One-way from

$106
(Mytrip)

Popular in

November

Cheapest in

April

Average price

$449
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. 13% potential increase in price ($78 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 March 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 March 25, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:51 amBWI - BOI
1 stop8h 06mSpirit Airlines
Mon 5/1212:16 pmBOI - BWI
1 stop15h 53mSpirit Airlines
Deal found 3/24$210
This Booking.com deal was found by Cheapflights users on 3/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/245:23 pmBWI - BOI
1 stop20h 28mFrontier
Tue 5/2712:36 pmBOI - BWI
1 stop25h 52mFrontier
Deal found 3/23$308
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Tue 4/86:36 amBWI - BOI
1 stop11h 45mUnited Airlines
Sat 4/125:00 amBOI - BWI
1 stop8h 05mUnited Airlines
Deal found 3/24$317
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Sat 9/2010:52 amBWI - BOI
2 stops12h 22mAmerican Airlines
Sat 9/271:41 pmBOI - BWI
1 stop6h 58mAmerican Airlines
Deal found 3/24$332
This Delta deal was found by Cheapflights users on 3/24. 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.
Tue 6/106:00 amBWI - BOI
1 stop6h 54mDelta
Wed 6/181:42 pmBOI - BWI
1 stop8h 37mDelta
Deal found 3/24$348
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:51 amBWI - BOI
2 stops16h 56mMultiple Airlines
Fri 4/254:26 pmBOI - BWI
2 stops26h 01mMultiple Airlines
Deal found 3/24$358
This Southwest deal was found by Cheapflights users on 3/24. 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 8/45:30 pmBWI - BOI
1 stop9h 00mSouthwest
Sat 8/95:10 amBOI - BWI
2 stops9h 35mSouthwest
Deal found 3/24$377
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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.
Thu 4/247:05 pmBWI - BOI
1 stop17h 20mAlaska Airlines
Sun 4/2711:10 amBOI - BWI
1 stop16h 36mAlaska Airlines
Deal found 3/24$401

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 March 25, 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

Mon 5/5

6:51 am-12:57 pm

1 stop8h 06m

Boise Air Term. Gowen Fld

Mon 5/12

12:16 pm-6:09 am

1 stop15h 53m

$210

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 5/24

5:23 pm-11:51 am

1 stop20h 28m

Boise Air Term. Gowen Fld

Tue 5/27

12:36 pm-4:28 pm

1 stop25h 52m

$308

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 4/8

7:15 am-12:12 pm

1 stop6h 57m

Boise Air Term. Gowen Fld

Sat 4/12

5:30 am-1:50 pm

1 stop6h 20m

$317

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 4/19

6:15 am-12:10 pm

1 stop7h 55m

Boise Air Term. Gowen Fld

Wed 4/23

7:00 pm-9:54 am

2 stops12h 54m

$319

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Mon 4/21

6:51 am-9:47 pm

2 stops16h 56m

Boise Air Term. Gowen Fld

Fri 4/25

4:26 pm-8:27 pm

2 stops26h 01m

$358

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 5/24

6:55 am-4:10 pm

2 stops11h 15m

Boise Air Term. Gowen Fld

Sat 5/31

4:55 pm-5:50 am

1 stop10h 55m

$389

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Thu 4/24

7:05 pm-10:25 am

1 stop17h 20m

Boise Air Term. Gowen Fld

Sun 4/27

11:10 am-5:46 am

1 stop16h 36m

$401

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 5/24

3:29 pm-10:09 pm

1 stop8h 40m

Boise Air Term. Gowen Fld

Sat 5/31

1:38 pm-11:21 pm

1 stop7h 43m

$428

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 4/15

9:39 pm-12:57 pm

1 stop17h 18m

$106

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Thu 5/29

3:29 pm-10:00 pm

1 stop8h 31m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 11 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust 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 March 21, 2025.

Booking 11 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, October is the cheapest month in which you can book a flight from Baltimore to Boise (average of $314). Flying from Baltimore to Boise in June is currently the most expensive (average of $421). 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 March 25, 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 55% on your trip compared to booking a flight in the evening.

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 March 25, 2025.
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,785 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

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

    Spirit Airlines, at $210, was found to be the cheapest airline from Baltimore to Boise.Alternate airlines to your destination round-trip include Frontier and United Airlines. Spirit Airlines is currently priced 56% 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 Spirit Airlines. According to our data, you can fly for as low as $106. Users have also found prices from $149 and $235 on American Airlines and Delta, 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, October is the cheapest month in which you can book a flight from Baltimore to Boise (average of $314). Flying from Baltimore to Boise in June is currently the most expensive (average of $421). 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 Baltimore?

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

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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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$180Average$295FlexibilityNo cancel feeOn-time65%
DeltaCheapest$230Average$453FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$298Average$605FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$347Average$483FlexibilityNo cancel feeOn-time63%
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