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$137+ 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
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$298
(Alaska Airlines)

One-way from

$137
(Mytrip)

Popular in

August

Cheapest in

June

Average price

$428
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. 6% potential increase in price ($28 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 July 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 July 3, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
Thu 9/257:18 pmBIL - BWI
1 stop8h 21mAlaska Airlines
Mon 9/297:37 pmBWI - BIL
1 stop21h 26mAlaska Airlines
Deal found 7/2$298
This United Airlines deal was found by Cheapflights users on 7/1. 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 11/112:45 pmBZN - BWI
1 stop6h 39mUnited Airlines
Wed 11/54:12 pmBWI - BZN
1 stop7h 28mUnited Airlines
Deal found 7/1$298
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Wed 9/241:51 pmMSO - BWI
1 stop7h 31mAmerican Airlines
Sun 9/286:30 amBWI - MSO
1 stop8h 30mAmerican Airlines
Deal found 7/3$299
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Sun 8/1712:00 pmBZN - BWI
1 stop15h 15mMultiple Airlines
Sun 8/247:54 pmBWI - BZN
2 stops23h 04mMultiple Airlines
Deal found 7/1$299
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 9/193:08 pmBZN - BWI
1 stop12h 31mAlaska Airlines
Mon 9/227:37 pmBWI - BZN
1 stop17h 09mAlaska Airlines
Deal found 7/3$302
This American Airlines deal was found by Cheapflights users on 7/3. 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 11/11:50 pmBZN - BWI
1 stop7h 04mAmerican Airlines
Sat 11/86:30 amBWI - BZN
1 stop8h 04mAmerican Airlines
Deal found 7/3$303
This Delta deal was found by Cheapflights users on 7/3. 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 7/242:25 pmBZN - BWI
1 stop6h 23mDelta
Tue 7/296:00 amBWI - BZN
2 stops10h 50mDelta
Deal found 7/3$308
This Southwest deal was found by Cheapflights users on 7/1. 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 8/165:25 amBZN - BWI
1 stop5h 50mSouthwest
Sat 8/234:55 pmBWI - BZN
1 stop6h 35mSouthwest
Deal found 7/1$318
This Mytrip deal was found by Cheapflights users on 7/1. 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 8/159:12 pmBIL - BWI
2 stops22h 57mMultiple Airlines
Fri 8/226:30 amBWI - BIL
1 stop17h 07mMultiple Airlines
Deal found 7/1$334
This Delta deal was found by Cheapflights users on 7/2. 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 8/66:26 pmBIL - BWI
1 stop9h 20mDelta
Tue 8/127:14 pmBWI - BIL
1 stop5h 56mDelta
Deal found 7/2$339
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 8/65:49 amBIL - BWI
1 stop10h 01mAmerican Airlines
Tue 8/126:00 amBWI - BIL
1 stop7h 49mAmerican Airlines
Deal found 7/1$357
This eDestinos deal was found by Cheapflights users on 7/2. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1611:10 amBZN - BWI
1 stop22h 13mSun Country Air
Sat 8/2312:30 pmBWI - BZN
1 stop23h 56mSun Country Air
Deal found 7/2$367

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 July 3, 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

Thu 9/25

7:18 pm-5:39 am

1 stop8h 21m

Baltimore/Washington

Mon 9/29

7:37 pm-3:03 pm

1 stop21h 26m

$298

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sat 11/1

12:45 pm-9:24 pm

1 stop6h 39m

Baltimore/Washington

Wed 11/5

4:12 pm-9:40 pm

1 stop7h 28m

$298

MissoulaBaltimore

MSO - BWI

MSOBWI

Missoula Johnson-Bell Field

Wed 9/24

1:51 pm-11:22 pm

1 stop7h 31m

Baltimore/Washington

Sun 9/28

6:00 am-12:35 pm

1 stop8h 35m

$299

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sun 8/17

12:00 pm-5:15 am

1 stop15h 15m

Baltimore/Washington

Sun 8/24

7:54 pm-4:58 pm

2 stops23h 04m

$299

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Fri 9/19

3:08 pm-5:39 am

1 stop12h 31m

Baltimore/Washington

Mon 9/22

7:37 pm-10:46 am

1 stop17h 09m

$302

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sat 11/1

1:50 pm-10:54 pm

1 stop7h 04m

Baltimore/Washington

Sat 11/8

6:30 am-12:34 pm

1 stop8h 04m

$303

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 7/24

2:25 pm-10:48 pm

1 stop6h 23m

Baltimore/Washington

Tue 7/29

6:00 am-2:50 pm

2 stops10h 50m

$308

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sat 8/16

5:25 am-1:15 pm

1 stop5h 50m

Baltimore/Washington

Sat 8/23

4:55 pm-9:30 pm

1 stop6h 35m

$318

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Fri 8/15

9:12 pm-10:09 pm

2 stops22h 57m

Baltimore/Washington

Fri 8/22

6:30 am-9:37 pm

1 stop17h 07m

$334

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Wed 8/6

6:26 pm-5:46 am

1 stop9h 20m

Baltimore/Washington

Tue 8/12

7:14 pm-11:10 pm

1 stop5h 56m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 57 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 July 3, 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.

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Baltimore. Reviews last updated July 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Montana to Baltimore to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,270 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,970 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,845 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $149. Delta flights start at $152 while deals on United Airlines start at $157 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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Top 4 airlines flying from Montana to Baltimore

Discover the top 4 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$203Average$486FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$210Average$612FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$365Average$485FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$371Average$518FlexibilityNo cancel feeOn-time63%

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