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$121+ Cheap flights from Baltimore (BWI) to Montana

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BZN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Baltimore to Montana

Keep the following information in mind while searching for Baltimore to Montana flight deals. Data was last updated July 29, 2025.

Round-trip from

$246
(Mytrip)

One-way from

$121
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$485
From Baltimore/Washington to Montana
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One-way flight from Baltimore/Washington to Montana
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Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Baltimore to Montana

Cheapest flights from Baltimore to Montana
Explore the most affordable flight options available from Baltimore to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Mytrip deal was found by Cheapflights users on 7/29. 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.
Wed 9/247:02 pmBWI - BZN
1 stop17h 37mMultiple Airlines
Mon 9/291:29 pmBZN - BWI
1 stop7h 07mMultiple Airlines
Deal found 7/29$246
This Mytrip deal was found by Cheapflights users on 7/28. 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.
Fri 9/58:15 amBWI - GTF
1 stop15h 16mMultiple Airlines
Mon 9/84:55 pmGTF - BWI
1 stop9h 35mMultiple Airlines
Deal found 7/28$256
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/227:15 amBWI - WYS
1 stop9h 35mDelta
Mon 8/253:25 pmWYS - BWI
1 stop6h 31mDelta
Deal found 7/27$274
This United Airlines deal was found by Cheapflights users on 7/29. 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 11/18:20 amBWI - BZN
1 stop7h 15mUnited Airlines
Tue 11/412:45 pmBZN - BWI
1 stop6h 39mUnited Airlines
Deal found 7/29$298
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 9/86:20 pmBWI - BIL
1 stop6h 19mAmerican Airlines
Thu 9/111:59 pmBIL - BWI
1 stop7h 19mAmerican Airlines
Deal found 7/28$299
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/157:06 pmBWI - MSO
1 stop6h 40mDelta
Wed 9/243:33 pmMSO - BWI
1 stop6h 16mDelta
Deal found 7/27$299
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Tue 9/237:00 amBWI - BZN
1 stop9h 14mAlaska Airlines
Mon 9/297:23 pmBZN - BWI
1 stop8h 16mAlaska Airlines
Deal found 7/28$302
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:16 amBWI - BZN
1 stop7h 30mAmerican Airlines
Tue 9/3012:40 pmBZN - BWI
1 stop8h 22mAmerican Airlines
Deal found 7/27$303
This Delta deal was found by Cheapflights users on 7/28. 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.
Sat 8/3012:23 pmBWI - BZN
2 stops12h 46mDelta
Thu 9/46:05 amBZN - BWI
1 stop5h 22mDelta
Deal found 7/28$308
This Southwest deal was found by Cheapflights users on 7/29. 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 9/88:10 amBWI - BZN
2 stops10h 15mSouthwest
Tue 9/305:45 pmBZN - BWI
1 stop9h 15mSouthwest
Deal found 7/29$314
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Thu 9/185:45 amBWI - FCA
2 stops12h 58mMultiple Airlines
Thu 9/255:33 pmFCA - BWI
1 stop8h 57mMultiple Airlines
Deal found 7/29$317
This Mytrip deal was found by Cheapflights users on 7/28. 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.
Fri 8/156:30 amBWI - MSO
1 stop12h 53mMultiple Airlines
Fri 8/229:47 pmMSO - BWI
2 stops22h 22mMultiple Airlines
Deal found 7/28$324

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to Montana 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 July 29, 2025.
Use the filters below to find and compare flights from Baltimore to Montana that are best for you.

Fly from

Baltimore

Fly to

Montana

Route

Depart

Return

Price

BaltimoreBozeman

BWI - BZN

BWIBZN

Baltimore/Washington

Wed 9/24

7:02 pm-10:39 am

1 stop17h 37m

Bozeman Gallatin Field

Mon 9/29

1:29 pm-10:36 pm

1 stop7h 07m

$246

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Fri 9/5

8:15 am-9:31 pm

1 stop15h 16m

Great Falls

Mon 9/8

4:55 pm-4:30 am

1 stop9h 35m

$256

BaltimoreWest Yellowstone

BWI - WYS

BWIWYS

Baltimore/Washington

Fri 8/22

7:15 am-2:50 pm

1 stop9h 35m

West Yellowstone

Mon 8/25

3:25 pm-11:56 pm

1 stop6h 31m

$274

BaltimoreBillings

BWI - BIL

BWIBIL

Baltimore/Washington

Mon 9/8

6:20 pm-10:39 pm

1 stop6h 19m

Billings Logan Intl

Thu 9/11

1:59 pm-11:18 pm

1 stop7h 19m

$299

BaltimoreMissoula

BWI - MSO

BWIMSO

Baltimore/Washington

Mon 9/15

7:06 pm-11:46 pm

1 stop6h 40m

Missoula Johnson-Bell Field

Wed 9/24

3:33 pm-11:49 pm

1 stop6h 16m

$299

BaltimoreBozeman

BWI - BZN

BWIBZN

Baltimore/Washington

Tue 9/23

7:00 am-2:14 pm

1 stop9h 14m

Bozeman Gallatin Field

Mon 9/29

7:23 pm-5:39 am

1 stop8h 16m

$302

BaltimoreBozeman

BWI - BZN

BWIBZN

Baltimore/Washington

Tue 9/23

5:53 am-12:49 pm

1 stop8h 56m

Bozeman Gallatin Field

Tue 9/30

12:40 pm-9:32 pm

1 stop6h 52m

$303

BaltimoreBozeman

BWI - BZN

BWIBZN

Baltimore/Washington

Sat 8/30

8:30 am-7:55 pm

2 stops13h 25m

Bozeman Gallatin Field

Wed 9/3

7:00 am-3:14 pm

1 stop6h 14m

$308

BaltimoreBozeman

BWI - BZN

BWIBZN

Baltimore/Washington

Tue 9/23

6:15 am-4:45 pm

2 stops12h 30m

Bozeman Gallatin Field

Mon 9/29

6:20 pm-9:13 am

2 stops12h 53m

$313

BaltimoreBozeman

BWI - BZN

BWIBZN

Baltimore/Washington

Mon 9/8

8:10 am-4:25 pm

2 stops10h 15m

Bozeman Gallatin Field

Tue 9/30

5:45 pm-5:00 am

1 stop9h 15m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 results
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Best time to book a flight from Baltimore to Montana

Have a flexible travel schedule? Discover the best time to fly to Montana 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 Montana

What is the cheapest month to book a flight from Baltimore to Montana?

Currently, October is the cheapest month in which you can book a flight from Baltimore to Montana (average of $371). Flying from Baltimore to Montana in May is currently the most expensive (average of $478). 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 MT?

Find hourly flight availability from Baltimore to Montana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Baltimore to Montana as you normally would.

Reviews of airlines servicing Montana

Get insights into the airlines that provide service to Montana. 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 Montana. Reviews last updated July 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Baltimore to Montana by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

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

  • What airport do you fly from for flights from Baltimore to Montana?

    Baltimore/Washington (BWI), located 8.5 mi from the city center, is the airport you fly out of when you book flights from Baltimore to Montana.

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

    The cheapest airlines for a one-way flight from Baltimore to Montana are Hawaiian Airlines ($149), American Airlines ($150), and Alaska Airlines ($151).

  • What are the most popular routes from Baltimore to Montana?

    While some choose either Baltimore/Washington - Kalispell Glacier Park or Baltimore/Washington - Missoula Johnson-Bell Field, Baltimore/Washington - Bozeman Gallatin Field is the most popular route from Baltimore to Montana.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Baltimore to Montana (average of $371). Flying from Baltimore to Montana in May is currently the most expensive (average of $478). 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

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Alternative routes for Baltimore to Montana

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Baltimore to Montana

Discover the top 5 airlines that operate flights from Baltimore to Montana. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$263Average$504FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$298Average$631FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$299Average$435FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$302Average$579FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$317Average$540FlexibilityNo cancel feeOn-time63%

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