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$112+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOI
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 September or October, 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 septiembre 11, 2025.

Round-trip from

$213
(American Airlines)

One-way from

$112
(American Airlines)

Popular in

November

Cheapest in

September

Average price

$376
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 ($77 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/247:02 pmBWI - BOI
1 stop20h 19mSpirit Airlines
vie. 10/39:26 pmBOI - BWI
1 stop29h 04mSpirit Airlines
Deal found 9/8$227
This Delta deal was found by Cheapflights users on 9/11. 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. 10/11:50 pmBWI - BOI
2 stops12h 25mDelta
lun. 10/67:45 pmBOI - BWI
2 stops13h 03mDelta
Deal found 9/11$242
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/18:16 amBWI - BOI
1 stop31h 05mMultiple Airlines
dom. 10/512:22 pmBOI - BWI
1 stop27h 20mMultiple Airlines
Deal found 9/11$248
This Delta deal was found by Cheapflights users on 9/9. 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.
jue. 10/237:10 pmBWI - BOI
1 stop6h 44mDelta
sáb. 10/253:00 pmBOI - BWI
1 stop6h 49mDelta
Deal found 9/9$249
This Southwest deal was found by Cheapflights users on 9/9. 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.
lun. 10/276:50 pmBWI - BOI
1 stop7h 50mSouthwest
mié. 10/2912:50 pmBOI - BWI
1 stop8h 10mSouthwest
Deal found 9/9$250
This United Airlines deal was found by Cheapflights users on 9/11. 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.
jue. 10/26:29 amBWI - BOI
1 stop7h 10mUnited Airlines
lun. 10/67:05 pmBOI - BWI
1 stop8h 45mUnited Airlines
Deal found 9/11$251
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/287:02 pmBWI - BOI
1 stop27h 29mSpirit Airlines
vie. 10/39:26 pmBOI - BWI
1 stop29h 04mSpirit Airlines
Deal found 9/9$269

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 septiembre 11, 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

mié. 10/1

1:50 pm-12:15 am

2 stops12h 25m

Boise Air Term. Gowen Fld

lun. 10/6

7:45 pm-10:48 am

2 stops13h 03m

$242

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

sáb. 11/8

9:25 am-9:15 pm

1 stop13h 50m

Boise Air Term. Gowen Fld

lun. 11/10

4:50 pm-5:45 am

1 stop10h 55m

$249

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

jue. 12/4

6:56 pm-12:10 am

1 stop7h 14m

Boise Air Term. Gowen Fld

sáb. 1/10

1:43 pm-12:11 am

1 stop8h 28m

$250

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

lun. 10/27

6:50 pm-12:40 am

1 stop7h 50m

Boise Air Term. Gowen Fld

mié. 10/29

12:50 pm-11:00 pm

1 stop8h 10m

$250

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

jue. 10/2

6:29 am-11:39 am

1 stop7h 10m

Boise Air Term. Gowen Fld

lun. 10/6

7:05 pm-5:50 am

1 stop8h 45m

$251

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

mié. 10/29

4:55 pm-11:20 pm

1 stop8h 25m

Boise Air Term. Gowen Fld

lun. 11/3

3:45 pm-5:10 am

2 stops11h 25m

$255

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

dom. 9/28

7:02 pm-8:31 pm

1 stop27h 29m

Boise Air Term. Gowen Fld

vie. 10/3

9:26 pm-4:30 am

1 stop29h 04m

$269

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

vie. 10/3

10:51 am-9:24 pm

2 stops12h 33m

Boise Air Term. Gowen Fld

lun. 10/6

7:05 pm-9:55 am

2 stops12h 50m

$276

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

sáb. 10/4

8:16 am-1:33 pm

1 stop7h 17m

Boise Air Term. Gowen Fld

sáb. 10/4

7:05 pm-5:50 am

1 stop8h 45m

$276

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

sáb. 10/4

11:04 am-9:48 pm

2 stops12h 44m

$112

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 19 results
1
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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 August 29, 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 $398). 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 septiembre 11, 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.

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 septiembre 11, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines 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.
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 10m. Fly via Delta, Southwest, 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 $230, was found to be the cheapest airline from Baltimore to Boise.Alternate airlines to your destination round-trip include United Airlines and Southwest. Delta is currently priced 51% 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 American Airlines. According to our data, you can fly for as low as $112. Users have also found prices from $122 and $124 on United Airlines and Spirit Airlines, 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 $398). 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 3 airlines flying from Baltimore to Boise

Discover the top 3 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$230Average$426FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$496FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$347Average$486FlexibilityNo cancel feeOn-time63%

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