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$132+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BWI
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 August 18, 2025.

Round-trip from

$268
(Kiwi.com)

One-way from

$132
(Kiwi.com)

Popular in

August

Cheapest in

June

Average price

$663
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. 20% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/16. 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 9/227:45 pmBIL - BWI
1 stop30h 45mMultiple Airlines
Wed 10/17:02 pmBWI - BIL
1 stop27h 43mMultiple Airlines
Deal found 8/16$268
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 9/1710:37 amBZN - BWI
1 stop6h 35mUnited Airlines
Wed 9/247:00 amBWI - BZN
1 stop9h 33mUnited Airlines
Deal found 8/18$277
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 11/211:16 amBZN - BWI
1 stop17h 02mAlaska Airlines
Sat 11/87:38 amBWI - BZN
1 stop8h 30mAlaska Airlines
Deal found 8/18$302
This American Airlines deal was found by Cheapflights users on 8/17. 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 11/11:58 pmBZN - BWI
1 stop7h 06mAmerican Airlines
Sat 11/86:02 amBWI - BZN
1 stop8h 39mAmerican Airlines
Deal found 8/17$303
This Delta deal was found by Cheapflights users on 8/18. 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.
Sun 11/22:29 pmBZN - BWI
1 stop8h 12mDelta
Sat 11/812:19 pmBWI - BZN
2 stops11h 55mDelta
Deal found 8/18$308
This Delta deal was found by Cheapflights users on 8/16. 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.
Wed 11/196:25 pmBZN - BWI
1 stop9h 37mDelta
Fri 11/216:00 amBWI - BZN
1 stop9h 16mDelta
Deal found 8/16$318
This Southwest deal was found by Cheapflights users on 8/18. 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 9/275:25 amBZN - BWI
1 stop5h 50mSouthwest
Sun 9/286:45 amBWI - BZN
1 stop7h 05mSouthwest
Deal found 8/18$322
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Fri 9/1911:29 amBZN - BWI
1 stop9h 53mAmerican Airlines
Tue 9/235:53 amBWI - BZN
1 stop8h 56mAmerican Airlines
Deal found 8/16$328
This Delta deal was found by Cheapflights users on 8/16. 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.
Thu 11/62:29 pmBZN - BWI
1 stop8h 12mDelta
Sun 11/97:00 amBWI - BZN
1 stop8h 16mDelta
Deal found 8/16$331
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/99:45 amBTM - BWI
1 stop7h 27mUnited Airlines
Tue 9/164:20 pmBWI - BTM
1 stop8h 01mUnited Airlines
Deal found 8/18$374
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 12/1010:00 amBTM - BWI
2 stops9h 19mUnited Airlines
Sat 12/134:15 pmBWI - BTM
1 stop8h 14mUnited Airlines
Deal found 8/17$384
This Mytrip deal was found by Cheapflights users on 8/16. 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 9/262:54 pmMSO - BWI
1 stop11h 36mMultiple Airlines
Mon 9/298:16 amBWI - MSO
1 stop15h 04mMultiple Airlines
Deal found 8/16$385

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 August 18, 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

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Mon 9/22

7:45 pm-4:30 am

1 stop30h 45m

Baltimore/Washington

Wed 10/1

7:02 pm-8:45 pm

1 stop27h 43m

$268

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Wed 9/17

10:37 am-7:12 pm

1 stop6h 35m

Baltimore/Washington

Wed 9/24

7:00 am-2:33 pm

1 stop9h 33m

$277

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Wed 1/21

12:52 pm-8:33 pm

1 stop5h 41m

Baltimore/Washington

Sat 1/24

6:24 am-2:32 pm

1 stop10h 08m

$290

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sun 11/2

11:16 am-6:18 am

1 stop17h 02m

Baltimore/Washington

Sat 11/8

7:38 am-2:08 pm

1 stop8h 30m

$302

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 9/11

2:19 pm-12:28 am

1 stop8h 09m

Baltimore/Washington

Mon 9/15

7:06 pm-11:56 pm

1 stop6h 50m

$303

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Fri 1/16

1:45 pm-10:23 pm

1 stop6h 38m

Baltimore/Washington

Mon 1/19

6:24 am-12:06 pm

1 stop7h 42m

$303

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sat 11/1

1:58 pm-11:04 pm

1 stop7h 06m

Baltimore/Washington

Sat 11/8

6:02 am-12:41 pm

1 stop8h 39m

$303

ButteBaltimore

BTM - BWI

BTMBWI

Butte Silver Bow Co

Tue 11/11

9:47 am-7:21 pm

1 stop7h 34m

Baltimore/Washington

Tue 11/18

4:12 pm-10:14 pm

1 stop8h 02m

$374

ButteBaltimore

BTM - BWI

BTMBWI

Butte Silver Bow Co

Tue 9/9

9:45 am-7:12 pm

1 stop7h 27m

Baltimore/Washington

Tue 9/16

4:20 pm-10:21 pm

1 stop8h 01m

$374

ButteBaltimore

BTM - BWI

BTMBWI

Butte Silver Bow Co

Wed 12/10

10:00 am-9:19 pm

2 stops9h 19m

Baltimore/Washington

Sat 12/13

4:15 pm-10:29 pm

1 stop8h 14m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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 August 18, 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.

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?

    United Airlines, American Airlines, and Alaska Airlines can get you from Montana to Baltimore in just under 5h 41m. Your travel time can differ by up to 11h 21m. The distance from Montana to Baltimore is about 1799 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 $139. Delta flights start at $196 while deals on Alaska Airlines start at $200 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, Kalispell Glacier Park - Baltimore/Washington and Helena - 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$471FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$210Average$605FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$351Average$487FlexibilityNo cancel feeOn-time63%

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