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$124+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BWI
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(Southwest)

One-way from

$124
(Alaska Airlines)

Popular in

August

Cheapest in

September

Average price

$303
Provider with most accurate pricing for Bozeman Gallatin Field-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Washington, D.C. (WAS) flights.
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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. 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 ($9 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 6, 2025.

This Southwest deal was found by Cheapflights users on 11/5. 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.
Wed 12/312:40 pmBZN - BWI
1 stop7h 30mSouthwest
Wed 12/105:50 pmBWI - BZN
1 stop6h 55mSouthwest
Deal found 11/5$249
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Wed 12/32:58 pmBZN - BWI
1 stop12h 42mAlaska Airlines
Wed 12/107:00 amBWI - BZN
1 stop9h 04mAlaska Airlines
Deal found 11/5$262
This Delta deal was found by Cheapflights users on 11/5. 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 12/32:36 pmBZN - BWI
1 stop7h 46mDelta
Wed 12/106:00 amBWI - BZN
2 stops10h 18mDelta
Deal found 11/5$282
This Delta deal was found by Cheapflights users on 11/5. 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 11/192:16 pmBZN - BWI
1 stop7h 33mDelta
Fri 11/216:00 amBWI - BZN
1 stop9h 11mDelta
Deal found 11/5$319
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Sun 12/284:26 pmBZN - BWI
1 stop10h 48mUnited Airlines
Thu 1/16:15 amBWI - BZN
1 stop7h 18mUnited Airlines
Deal found 11/4$330
This Southwest deal was found by Cheapflights users on 11/4. 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 11/1812:40 pmBZN - BWI
1 stop7h 30mSouthwest
Sat 11/227:55 pmBWI - BZN
1 stop6h 40mSouthwest
Deal found 11/4$349
This Delta deal was found by Cheapflights users on 11/4. 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 12/96:10 pmGTF - BWI
2 stops13h 08mDelta
Tue 12/167:15 amBWI - GTF
1 stop7h 16mDelta
Deal found 11/4$364
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 12/97:35 pmGTF - BWI
1 stop8h 05mAlaska Airlines
Tue 12/167:00 amBWI - GTF
1 stop13h 55mAlaska Airlines
Deal found 11/5$385
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/92:14 pmMSO - BWI
1 stop13h 26mAlaska Airlines
Thu 12/117:16 pmBWI - MSO
1 stop19h 16mAlaska Airlines
Deal found 11/4$388
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 12/56:30 amFCA - BWI
1 stop9h 46mAlaska Airlines
Fri 12/127:16 pmBWI - FCA
1 stop19h 04mAlaska Airlines
Deal found 11/5$398
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 12/86:00 amBIL - BWI
1 stop10h 16mAlaska Airlines
Mon 12/87:16 pmBWI - BIL
1 stop21h 40mAlaska Airlines
Deal found 11/4$408
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/192:38 pmFCA - BWI
1 stop6h 19mUnited Airlines
Fri 11/218:15 amBWI - FCA
1 stop7h 21mUnited Airlines
Deal found 11/4$409

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 November 6, 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

Wed 12/3

12:40 pm-10:10 pm

1 stop7h 30m

Baltimore/Washington

Wed 12/10

5:50 pm-10:45 pm

1 stop6h 55m

$249

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 1/8

11:15 am-9:45 pm

1 stop8h 30m

Baltimore/Washington

Sat 1/10

6:05 am-1:25 pm

1 stop9h 20m

$249

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 1/8

2:30 pm-11:15 pm

1 stop6h 45m

Baltimore/Washington

Sat 1/10

10:05 am-9:33 pm

2 stops13h 28m

$254

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Wed 12/3

2:58 pm-5:40 am

1 stop12h 42m

Baltimore/Washington

Wed 12/10

7:00 am-2:04 pm

1 stop9h 04m

$262

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Wed 12/3

2:36 pm-12:22 am

1 stop7h 46m

Baltimore/Washington

Wed 12/10

6:00 am-2:18 pm

2 stops10h 18m

$282

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Wed 4/15

2:29 pm-11:00 pm

1 stop6h 31m

Baltimore/Washington

Sat 4/18

10:45 am-9:30 pm

2 stops12h 45m

$302

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 11/20

2:35 pm-12:26 am

1 stop7h 51m

Baltimore/Washington

Mon 11/24

6:58 pm-11:34 pm

1 stop6h 36m

$319

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Wed 2/18

6:40 am-5:55 pm

1 stop9h 15m

Baltimore/Washington

Fri 2/27

6:55 pm-10:18 am

1 stop17h 23m

$342

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Wed 4/15

3:00 pm-11:44 pm

1 stop6h 44m

Baltimore/Washington

Sat 4/18

6:00 am-1:45 pm

2 stops9h 45m

$343

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Tue 3/10

3:00 pm-11:27 pm

1 stop6h 27m

Baltimore/Washington

Wed 3/11

7:15 am-1:51 pm

1 stop8h 36m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

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, April is the cheapest month in which you can book a flight from Montana to Baltimore (average of $169). Flying from Montana to Baltimore in July is currently the most expensive (average of $271). 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 November 6, 2025.

One of the essential ways to save on airfare from Montana to Baltimore is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 40% on airfare.

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 6h 45m. Your travel time can differ by up to 2h 30m. 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $124. Southwest flights start at $125 while deals on American Airlines start at $125 one-way.

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

    The most popular flight routes from Montana to Baltimore are Missoula Johnson-Bell Field - Baltimore/Washington, Bozeman Gallatin Field - Baltimore/Washington and Kalispell Glacier Park - 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, April is the cheapest month in which you can book a flight from Montana to Baltimore (average of $169). Flying from Montana to Baltimore in July is currently the most expensive (average of $271). 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

Browse thousands of different options on Cheapflights for your next trip

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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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$203Average$453FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$210Average$623FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$327Average$448FlexibilityNo cancel feeOn-time63%

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