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$125+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BWI
Mar 18 — Mar 251
Wed 3/18
Wed 3/25
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 February 16, 2026.

This Delta deal was found by Cheapflights users on 2/15. 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 4/162:53 pm
BZN
-
BWI
1 stop7h 45m
Delta
Mon 4/206:08 am
BWI
-
BZN
1 stop8h 26m
Delta
Deal found 2/15$277
This United Airlines deal was found by Cheapflights users on 2/15. 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 5/284:20 pm
BZN
-
BWI
1 stop6h 13m
United Airlines
Thu 6/47:00 am
BWI
-
BZN
1 stop11h 14m
United Airlines
Deal found 2/15$288
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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 10/278:00 pm
FCA
-
BWI
1 stop8h 21m
Alaska Airlines
Sat 10/317:51 am
BWI
-
FCA
1 stop9h 44m
Alaska Airlines
Deal found 2/12$289
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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 2/277:00 am
BZN
-
BWI
1 stop8h 46m
Alaska Airlines
Tue 3/36:46 pm
BWI
-
BZN
1 stop18h 07m
Alaska Airlines
Deal found 2/12$299
This Delta deal was found by Cheapflights users on 2/12. 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 2/276:00 am
BZN
-
BWI
1 stop5h 54m
Delta
Tue 3/311:45 am
BWI
-
BZN
2 stops12h 40m
Delta
Deal found 2/12$304
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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 10/276:00 am
BIL
-
BWI
1 stop10h 06m
Alaska Airlines
Sat 10/317:51 am
BWI
-
BIL
1 stop9h 17m
Alaska Airlines
Deal found 2/12$309
This Delta deal was found by Cheapflights users on 2/12. 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 3/51:10 pm
HLN
-
BWI
1 stop8h 34m
Delta
Mon 3/97:01 am
BWI
-
HLN
1 stop7h 20m
Delta
Deal found 2/12$309
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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 10/276:36 pm
MSO
-
BWI
1 stop9h 45m
Alaska Airlines
Sat 10/317:51 am
BWI
-
MSO
1 stop9h 32m
Alaska Airlines
Deal found 2/12$309
This Delta deal was found by Cheapflights users on 2/12. 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 4/86:21 pm
BIL
-
BWI
1 stop9h 30m
Delta
Tue 4/1412:27 pm
BWI
-
BIL
2 stops9h 39m
Delta
Deal found 2/12$314
This Delta deal was found by Cheapflights users on 2/12. 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 3/51:10 pm
HLN
-
BWI
1 stop8h 34m
Delta
Tue 3/105:40 am
BWI
-
HLN
2 stops8h 41m
Delta
Deal found 2/12$314
This United Airlines deal was found by Cheapflights users on 2/14. 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 8/512:40 pm
MSO
-
BWI
1 stop6h 23m
United Airlines
Thu 8/1310:00 am
BWI
-
MSO
2 stops14h 30m
United Airlines
Deal found 2/14$314
This Delta deal was found by Cheapflights users on 2/13. 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 4/15:58 am
BZN
-
BWI
1 stop6h 02m
Delta
Tue 4/147:00 am
BWI
-
BZN
1 stop8h 36m
Delta
Deal found 2/13$318

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 February 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$277
(Delta)

One-way from

$125
(American Airlines)

Popular in

August

Cheapest in

September

Average price

$358
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. 6% potential increase in price ($25 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 February 2026
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 February 16, 2026.
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

Thu 4/16

2:53 pm-12:38 am

1 stop7h 45m

Baltimore/Washington

Mon 4/20

6:08 am-12:34 pm

1 stop8h 26m

$277

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 5/28

4:20 pm-12:33 am

1 stop6h 13m

Baltimore/Washington

Thu 6/4

7:00 am-4:14 pm

1 stop11h 14m

$288

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Fri 2/27

7:00 am-5:46 pm

1 stop8h 46m

Baltimore/Washington

Tue 3/3

6:46 pm-10:53 am

1 stop18h 07m

$299

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Fri 2/27

2:41 pm-11:25 pm

1 stop6h 44m

Baltimore/Washington

Tue 3/3

8:00 am-1:36 pm

1 stop7h 36m

$299

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Fri 2/27

6:00 am-1:54 pm

1 stop5h 54m

Baltimore/Washington

Tue 3/3

11:45 am-10:25 pm

2 stops12h 40m

$304

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Thu 4/9

6:21 pm-5:51 am

1 stop9h 30m

Baltimore/Washington

Sat 4/11

3:03 pm-8:19 pm

1 stop7h 16m

$309

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Thu 3/5

1:10 pm-11:44 pm

1 stop8h 34m

Baltimore/Washington

Tue 3/10

7:01 am-12:21 pm

1 stop7h 20m

$309

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Fri 4/17

2:35 pm-11:24 pm

1 stop6h 49m

Baltimore/Washington

Sat 4/25

3:42 pm-10:43 pm

2 stops9h 01m

$314

MissoulaBaltimore

MSO - BWI

MSOBWI

Missoula Johnson-Bell Field

Wed 8/5

12:40 pm-9:03 pm

1 stop6h 23m

Baltimore/Washington

Thu 8/13

10:00 am-10:30 pm

2 stops14h 30m

$314

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Wed 4/8

6:21 pm-5:51 am

1 stop9h 30m

Baltimore/Washington

Tue 4/14

12:27 pm-8:06 pm

2 stops9h 39m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

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 January is currently the most expensive (average of $275). 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.

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?

    Delta, United Airlines, and Alaska Airlines can get you from Montana to Baltimore in just under 6h 13m. Your travel time can differ by up to 2h 33m. 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 $88. United Airlines flights start at $124 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 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 $158). Flying from Montana to Baltimore in January is currently the most expensive (average of $275). 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 February 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$210Average$583FlexibilityNo cancel feeOn-time69%
DeltaCheapest$229Average$422FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$254Average$532FlexibilityNo cancel feeOn-time63%

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