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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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BWI
Jan 24 — Jan 311
Sat 1/24
Sat 1/31
1 adult, Economy
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Cheap 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 December 25, 2025.

This Delta deal was found by Cheapflights users on 12/24. 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 12/272:20 pmBZN - BWI
1 stop7h 12mDelta
Thu 1/18:15 amBWI - BZN
1 stop7h 51mDelta
Deal found 12/24$464
This American Airlines deal was found by Cheapflights users on 12/24. 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.
Thu 12/251:36 pmBZN - BWI
1 stop7h 26mAmerican Airlines
Tue 12/306:00 amBWI - BZN
1 stop7h 09mAmerican Airlines
Deal found 12/24$569
This United Airlines deal was found by Cheapflights users on 12/24. 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.
Thu 12/256:15 amBZN - BWI
2 stops13h 11mUnited Airlines
Tue 12/304:05 pmBWI - BZN
1 stop7h 03mUnited Airlines
Deal found 12/24$624
This Delta deal was found by Cheapflights users on 12/24. 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 12/2512:15 pmBZN - BWI
2 stops10h 20mDelta
Tue 12/3012:34 pmBWI - BZN
2 stops13h 13mDelta
Deal found 12/24$924
This Delta deal was found by Cheapflights users on 12/24. 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 12/2412:38 pmMSO - BWI
2 stops8h 53mDelta
Sun 12/283:00 pmBWI - MSO
1 stop7h 40mDelta
Deal found 12/24$1,005
This United Airlines deal was found by Cheapflights users on 12/23. 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 12/272:35 pmGTF - BWI
1 stop6h 41mUnited Airlines
Sat 1/34:05 pmBWI - GTF
1 stop8h 41mUnited Airlines
Deal found 12/23$1,065
This Delta deal was found by Cheapflights users on 12/24. 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 12/276:18 pmGTF - BWI
1 stop9h 27mDelta
Sat 1/37:00 amBWI - GTF
1 stop7h 31mDelta
Deal found 12/24$1,078
This United Airlines deal was found by Cheapflights users on 12/24. 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 12/242:38 pmMSO - BWI
1 stop6h 38mUnited Airlines
Sun 12/288:15 amBWI - MSO
1 stop15h 26mUnited Airlines
Deal found 12/24$1,083
This Delta deal was found by Cheapflights users on 12/23. 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 12/266:18 pmGTF - BWI
1 stop9h 27mDelta
Sat 1/37:00 amBWI - GTF
1 stop7h 31mDelta
Deal found 12/23$1,228

Find flight deals from Montana to Baltimore

Keep the following information in mind while searching for Montana to Baltimore flight deals. Data was last updated December 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$248
(Alaska Airlines)

One-way from

$124
(Alaska Airlines)

Popular in

August

Cheapest in

September

Average price

$418
Provider with most accurate pricing for Bozeman Gallatin Field-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Washington, D.C. (WAS) flights.
Search Deals
From Montana to Baltimore/Washington
Search Deals
One-way flight from Montana to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 25, 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 1/21

3:03 pm-6:14 pm

1 stop25h 11m

Baltimore/Washington

Mon 1/26

7:14 pm-11:20 am

1 stop18h 06m

$248

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 1/29

2:30 pm-11:15 pm

1 stop6h 45m

Baltimore/Washington

Sun 2/1

4:10 pm-9:33 pm

1 stop7h 23m

$249

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Wed 1/21

7:40 am-5:15 pm

2 stops7h 35m

Baltimore/Washington

Mon 1/26

5:10 pm-10:15 pm

1 stop7h 05m

$254

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Wed 2/4

7:25 pm-6:14 pm

1 stop20h 49m

Baltimore/Washington

Fri 2/6

7:14 pm-10:42 am

1 stop17h 28m

$268

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 1/29

6:00 am-1:57 pm

1 stop5h 57m

Baltimore/Washington

Sun 2/1

3:00 pm-8:06 pm

1 stop7h 06m

$277

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 2/5

2:39 pm-12:41 am

1 stop8h 02m

Baltimore/Washington

Wed 2/18

2:58 pm-8:08 pm

1 stop7h 10m

$277

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Wed 1/21

6:30 pm-9:23 am

2 stops12h 53m

Baltimore/Washington

Mon 1/26

3:00 pm-11:17 pm

2 stops10h 17m

$287

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Wed 2/4

11:40 am-11:05 pm

2 stops9h 25m

Baltimore/Washington

Fri 2/6

3:00 pm-11:17 pm

2 stops10h 17m

$287

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 1/8

6:15 am-3:04 pm

1 stop6h 49m

Baltimore/Washington

Mon 1/12

4:10 pm-9:33 pm

1 stop7h 23m

$299

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Tue 3/3

11:15 am-9:45 pm

1 stop8h 30m

Baltimore/Washington

Tue 5/5

7:20 am-2:40 pm

1 stop9h 20m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

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 $158). Flying from Montana to Baltimore in July is currently the most expensive (average of $302). 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 December 25, 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?

    Alaska Airlines, United Airlines, and Southwest can get you from Montana to Baltimore in just under 6h 45m. Your travel time can differ by up to 18h 26m. 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 United Airlines, which is currently one of the cheapest options available, starting at $124. Southwest flights start at $138 while deals on Delta start at $151 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, Missoula Johnson-Bell 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 $158). Flying from Montana to Baltimore in July is currently the most expensive (average of $302). 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 December 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$203Average$408FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$210Average$618FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$254Average$436FlexibilityNo cancel feeOn-time63%

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