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$149+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOI
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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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 March 11, 2026.

This Delta deal was found by Cheapflights users on 3/9. 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 4/289:00 am
BWI
-
BOI
2 stops13h 00m
Delta
Thu 5/76:00 pm
BOI
-
BWI
2 stops9h 45m
Delta
Deal found 3/9$257
This Delta deal was found by Cheapflights users on 3/9. 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 4/146:08 am
BWI
-
BOI
2 stops12h 06m
Delta
Sat 4/258:59 am
BOI
-
BWI
2 stops12h 26m
Delta
Deal found 3/9$298
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/258:00 am
BWI
-
BOI
2 stops10h 48m
United Airlines
Wed 4/297:11 am
BOI
-
BWI
1 stop9h 11m
United Airlines
Deal found 3/6$322
This Southwest deal was found by Cheapflights users on 3/9. 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 4/141:55 pm
BWI
-
BOI
2 stops10h 15m
Southwest
Sat 4/252:50 pm
BOI
-
BWI
1 stop12h 30m
Southwest
Deal found 3/9$328
This Southwest deal was found by Cheapflights users on 3/10. 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.
Sat 5/27:25 am
BWI
-
BOI
1 stop8h 45m
Southwest
Sat 5/24:50 pm
BOI
-
BWI
1 stop10h 50m
Southwest
Deal found 3/10$332
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 4/74:11 pm
BWI
-
BOI
1 stop8h 27m
American Airlines
Tue 4/141:29 pm
BOI
-
BWI
1 stop8h 27m
American Airlines
Deal found 3/9$334
This Delta deal was found by Cheapflights users on 3/6. 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 4/282:18 pm
BWI
-
BOI
1 stop10h 10m
Delta
Thu 4/3011:35 pm
BOI
-
BWI
1 stop8h 01m
Delta
Deal found 3/6$337
This Southwest deal was found by Cheapflights users on 3/10. 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.
Thu 4/239:40 am
BWI
-
BOI
1 stop10h 40m
Southwest
Sat 4/252:50 pm
BOI
-
BWI
1 stop12h 30m
Southwest
Deal found 3/10$342
This Southwest deal was found by Cheapflights users on 3/9. 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.
Thu 4/304:20 pm
BWI
-
BOI
2 stops9h 10m
Southwest
Tue 5/55:15 pm
BOI
-
BWI
2 stops10h 05m
Southwest
Deal found 3/9$347
This Southwest deal was found by Cheapflights users on 3/6. 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 4/274:45 pm
BWI
-
BOI
2 stops10h 00m
Southwest
Wed 4/295:00 pm
BOI
-
BWI
1 stop10h 45m
Southwest
Deal found 3/6$348

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$257
(Delta)

One-way from

$149
(Delta)

Popular in

March

Cheapest in

January

Average price

$729
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. 12% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 11, 2026.
Use the filters below to find and compare flights from Baltimore to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 4/28

9:00 am-8:00 pm

2 stops13h 00m

Boise Air Term. Gowen Fld

Thu 5/7

6:00 pm-5:45 am

2 stops9h 45m

$317

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 4/28

7:04 am-3:33 pm

1 stop10h 29m

Boise Air Term. Gowen Fld

Thu 5/7

7:20 pm-5:44 am

1 stop8h 24m

$337

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 4/7

11:08 am-8:13 pm

2 stops11h 05m

Boise Air Term. Gowen Fld

Tue 4/14

2:37 pm-11:24 pm

1 stop6h 47m

$342

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Fri 5/1

9:55 am-6:20 pm

2 stops10h 25m

Boise Air Term. Gowen Fld

Mon 5/4

7:55 pm-5:40 am

1 stop7h 45m

$409

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Fri 5/15

4:17 pm-11:58 pm

1 stop9h 41m

Boise Air Term. Gowen Fld

Mon 5/18

6:07 pm-6:28 am

1 stop10h 21m

$414
Quickest round-trip

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 4/25

6:00 am-11:49 am

1 stop7h 49m

Boise Air Term. Gowen Fld

Tue 4/28

2:37 pm-11:24 pm

1 stop6h 47m

$417

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 5/23

4:17 pm-11:58 pm

1 stop9h 41m

Boise Air Term. Gowen Fld

Wed 5/27

4:28 pm-3:17 pm

1 stop20h 49m

$417

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Wed 6/24

6:15 am-11:32 am

1 stop7h 17m

Boise Air Term. Gowen Fld

Tue 6/30

5:00 am-5:33 pm

2 stops10h 33m

$422

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 5/23

6:17 am-1:07 pm

1 stop8h 50m

Boise Air Term. Gowen Fld

Wed 5/27

6:41 pm-5:45 am

1 stop9h 04m

$424

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Wed 8/12

6:15 am-11:25 am

1 stop7h 10m

Boise Air Term. Gowen Fld

Fri 8/21

7:01 pm-9:34 am

2 stops12h 33m

$452

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 19 resultsSorted by cheapest first
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
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 March 6, 2026.

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 November is currently the most expensive (average of $301). 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.

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 11, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, andDelta 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
12,025 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Alaska Airlines
8.0
Very good
12,025 reviews
Alaska Airlines
8.0
Very good
12,025 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Southwest
8.0
Very good
4,317 reviews
Alaska Airlines
8.0
Very good
12,025 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Delta
7.9
Good
8,278 reviews
Alaska Airlines
8.0
Very good
12,025 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
United Airlines
7.4
Good
9,414 reviews
Alaska Airlines
8.0
Very good
12,025 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

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 10h 29m. Fly via Delta, Alaska Airlines, 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 Alaska Airlines and United Airlines. Delta is currently priced 57% 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 $164 and $197 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 November is currently the most expensive (average of $301). 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

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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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$467FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$321Average$372FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$326Average$464FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$346Average$479FlexibilityNo cancel feeOn-time63%

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