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$94+ Cheap flights from Montana to Baltimore (BWI)

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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BWI
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Montana to Baltimore

Keep the following information in mind while searching for Montana to Baltimore flight deals. Data was last updated September 11, 2025.

Round-trip from

$192
(Southwest)

One-way from

$94
(Southwest)

Popular in

August

Cheapest in

June

Average price

$423
From Montana to Baltimore/Washington
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One-way flight from Montana to Baltimore/Washington
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Highest demand for flights based on searches. 18% potential increase in price ($91 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% 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 Montana to Baltimore

Cheapest flights from Montana to Baltimore
Explore the most affordable flight options available from Montana to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Southwest deal was found by Cheapflights users on 9/10. 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 10/215:50 pmBZN - BWI
1 stop9h 10mSouthwest
Tue 10/286:40 pmBWI - BZN
1 stop6h 45mSouthwest
Deal found 9/10$192
This Southwest deal was found by Cheapflights users on 9/10. 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 11/65:00 amBZN - BWI
2 stops8h 00mSouthwest
Wed 11/127:00 amBWI - BZN
1 stop10h 25mSouthwest
Deal found 9/10$225
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:00 pmBZN - BWI
1 stop6h 15mSouthwest
Wed 10/296:40 pmBWI - BZN
1 stop6h 45mSouthwest
Deal found 9/11$228
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/139:04 pmMSO - BWI
1 stop18h 12mMultiple Airlines
Wed 12/38:25 pmBWI - MSO
1 stop27h 11mMultiple Airlines
Deal found 9/10$235
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/139:04 pmMSO - BWI
1 stop18h 12mMultiple Airlines
Tue 12/28:25 pmBWI - MSO
1 stop17h 56mMultiple Airlines
Deal found 9/10$237
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1710:26 pmMSO - BWI
1 stop28h 04mMultiple Airlines
Wed 12/38:25 pmBWI - MSO
1 stop27h 11mMultiple Airlines
Deal found 9/10$248
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/410:50 amBZN - BWI
1 stop6h 37mUnited Airlines
Wed 10/298:15 amBWI - BZN
1 stop9h 15mUnited Airlines
Deal found 9/10$249
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1710:26 pmMSO - BWI
1 stop28h 04mMultiple Airlines
Tue 12/28:25 pmBWI - MSO
1 stop17h 56mMultiple Airlines
Deal found 9/10$250
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.
Sun 10/2610:07 amBZN - BWI
1 stop16h 23mMultiple Airlines
Wed 10/297:50 amBWI - BZN
1 stop27h 27mMultiple Airlines
Deal found 9/11$260
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/44:19 pmBZN - BWI
1 stop11h 31mUnited Airlines
Thu 10/306:15 amBWI - BZN
1 stop7h 28mUnited Airlines
Deal found 9/10$263
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.
Fri 10/2410:27 pmGTF - BWI
1 stop28h 03mMultiple Airlines
Mon 10/277:50 amBWI - GTF
1 stop15h 42mMultiple Airlines
Deal found 9/11$290
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.
Fri 10/2410:27 pmGTF - BWI
1 stop28h 03mMultiple Airlines
Fri 10/317:50 amBWI - GTF
1 stop15h 47mMultiple Airlines
Deal found 9/11$297

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Baltimore 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 September 11, 2025.
Use the filters below to find and compare flights from Montana to Baltimore that are best for you.

Fly from

Montana

Fly to

Baltimore

Route

Depart

Return

Price

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Tue 10/21

5:50 pm-5:00 am

1 stop9h 10m

Baltimore/Washington

Tue 10/28

6:40 pm-11:25 pm

1 stop6h 45m

$192

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 11/6

5:45 pm-5:10 am

1 stop9h 25m

Baltimore/Washington

Wed 11/12

7:00 am-3:25 pm

1 stop10h 25m

$225

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Fri 10/24

4:00 pm-12:15 am

1 stop6h 15m

Baltimore/Washington

Tue 10/28

6:40 pm-11:25 pm

1 stop6h 45m

$228

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Fri 10/24

4:00 pm-12:15 am

1 stop6h 15m

Baltimore/Washington

Wed 10/29

12:40 pm-9:00 pm

2 stops10h 20m

$233

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sat 10/4

4:19 pm-7:13 am

2 stops12h 54m

Baltimore/Washington

Wed 10/29

6:15 am-11:43 am

1 stop7h 28m

$254

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 11/20

2:46 pm-7:23 am

1 stop14h 37m

Baltimore/Washington

Wed 12/3

8:25 pm-9:15 am

1 stop14h 50m

$254

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sun 10/26

10:07 am-4:30 am

1 stop16h 23m

Baltimore/Washington

Wed 10/29

7:50 am-9:17 am

1 stop27h 27m

$260

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sat 10/4

4:19 pm-5:50 am

1 stop11h 31m

Baltimore/Washington

Thu 10/30

6:15 am-11:43 am

1 stop7h 28m

$263

MissoulaBaltimore

MSO - BWI

MSOBWI

Missoula Johnson-Bell Field

Mon 10/13

9:04 pm-5:16 pm

1 stop18h 12m

Baltimore/Washington

Tue 12/2

8:26 pm-12:21 pm

2 stops17h 55m

$288

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Mon 10/6

10:02 am-4:30 am

1 stop16h 28m

Baltimore/Washington

Thu 10/9

12:12 pm-9:24 am

2 stops23h 12m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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

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

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

Currently, August is the cheapest month in which you can book a flight from Montana to Baltimore (average of $241). Flying from Montana to Baltimore in March is currently the most expensive (average of $290). 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 MT to BWI?

Find hourly flight availability from Montana to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

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

How much does it cost to fly round-trip from Montana to Baltimore?

Related info for your journey

Find useful and relevant information for your journey from Montana to Baltimore. 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 into for flights to Baltimore from Montana?

    Most people fly into Baltimore/Washington (BWI) if they book a flight to Baltimore from Montana. Baltimore/Washington is conveniently located just 8.5 mi from Baltimore’s city center.

  • How long is the flight from Montana to Baltimore?

    Southwest, United Airlines, and Alaska Airlines can get you from Montana to Baltimore in just under 7h 40m. Your travel time can differ by up to 1h 57m. The distance from Montana to Baltimore is about 1864 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $94. United Airlines flights start at $125 while deals on Alaska Airlines start at $196 one-way.

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

    The most popular flight routes from Montana to Baltimore are Bozeman Gallatin Field - Baltimore/Washington, Great Falls - Baltimore/Washington and Billings Logan Intl - Baltimore/Washington.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Montana to Baltimore (average of $241). Flying from Montana to Baltimore in March is currently the most expensive (average of $290). 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 Montana to Baltimore

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Top 3 airlines flying from Montana to Baltimore

Discover the top 3 airlines that operate flights from Montana to Baltimore. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$473FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$210Average$603FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$348Average$481FlexibilityNo cancel feeOn-time63%

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