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$113+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BWI
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$244
(Mytrip)

One-way from

$113
(Mytrip)

Popular in

May

Cheapest in

September

Average price

$488
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. 6% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/30. 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.
Wed 5/283:32 pmBZN - BWI
1 stop22h 21mMultiple Airlines
Fri 5/305:15 pmBWI - BZN
1 stop19h 27mMultiple Airlines
Deal found 4/30$244
This United Airlines deal was found by Cheapflights users on 4/29. 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 8/218:00 amBZN - BWI
1 stop7h 29mUnited Airlines
Mon 8/256:15 amBWI - BZN
1 stop7h 29mUnited Airlines
Deal found 4/29$298
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 5/313:59 pmBZN - BWI
1 stop12h 30mAlaska Airlines
Mon 6/27:05 pmBWI - BZN
1 stop17h 33mAlaska Airlines
Deal found 4/29$302
This American Airlines deal was found by Cheapflights users on 4/29. 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 6/512:33 pmBZN - BWI
1 stop7h 43mAmerican Airlines
Sat 6/76:44 amBWI - BZN
1 stop6h 59mAmerican Airlines
Deal found 4/29$303
This Delta deal was found by Cheapflights users on 4/28. 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 8/2111:37 amBZN - BWI
2 stops9h 20mDelta
Mon 8/254:39 pmBWI - BZN
2 stops9h 22mDelta
Deal found 4/28$313
This Southwest deal was found by Cheapflights users on 4/29. 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.
Mon 6/21:05 pmBZN - BWI
1 stop10h 50mSouthwest
Wed 6/42:25 pmBWI - BZN
1 stop8h 35mSouthwest
Deal found 4/29$327
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/1510:25 amBTM - BWI
2 stops9h 12mUnited Airlines
Mon 5/194:10 pmBWI - BTM
1 stop8h 20mUnited Airlines
Deal found 4/29$352
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/17:33 pmBZN - BWI
1 stop8h 56mHawaiian Airlines
Tue 6/37:49 amBWI - BZN
1 stop9h 16mHawaiian Airlines
Deal found 4/29$378
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 7/112:36 pmBIL - BWI
1 stop20h 40mAmerican Airlines
Tue 7/85:48 pmBWI - BIL
1 stop7h 19mAmerican Airlines
Deal found 4/30$383
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 5/297:24 pmBIL - BWI
1 stop9h 05mAlaska Airlines
Mon 6/27:05 pmBWI - BIL
1 stop22h 00mAlaska Airlines
Deal found 4/30$406
This Delta deal was found by Cheapflights users on 4/30. 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 6/126:26 pmBIL - BWI
1 stop9h 21mDelta
Mon 6/167:24 pmBWI - BIL
1 stop5h 47mDelta
Deal found 4/30$407
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/2912:30 pmBIL - BWI
1 stop7h 12mUnited Airlines
Sun 6/16:40 amBWI - BIL
1 stop6h 36mUnited Airlines
Deal found 4/30$440

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 May 1, 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 5/28

3:32 pm-3:53 pm

1 stop22h 21m

Baltimore/Washington

Fri 5/30

5:15 pm-10:42 am

1 stop19h 27m

$244

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 8/21

8:00 am-5:29 pm

1 stop7h 29m

Baltimore/Washington

Mon 8/25

6:15 am-11:44 am

1 stop7h 29m

$298

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sat 5/31

3:59 pm-6:29 am

1 stop12h 30m

Baltimore/Washington

Mon 6/2

7:05 pm-10:38 am

1 stop17h 33m

$302

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 6/5

12:33 pm-10:16 pm

1 stop7h 43m

Baltimore/Washington

Sat 6/7

6:44 am-11:43 am

1 stop6h 59m

$303

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 8/21

11:37 am-10:57 pm

2 stops9h 20m

Baltimore/Washington

Mon 8/25

4:39 pm-12:01 am

2 stops9h 22m

$313

ButteBaltimore

BTM - BWI

BTMBWI

Butte Silver Bow Co

Thu 5/15

10:25 am-9:37 pm

2 stops9h 12m

Baltimore/Washington

Mon 5/19

4:10 pm-10:30 pm

1 stop8h 20m

$352

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Tue 7/22

7:10 pm-5:15 am

1 stop8h 05m

Baltimore/Washington

Thu 7/24

6:55 pm-12:45 am

1 stop7h 50m

$361

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sun 6/1

7:33 pm-6:29 am

1 stop8h 56m

Baltimore/Washington

Tue 6/3

7:49 am-3:05 pm

1 stop9h 16m

$378

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Tue 7/1

12:36 pm-11:16 am

1 stop20h 40m

Baltimore/Washington

Tue 7/8

5:48 pm-11:07 pm

1 stop7h 19m

$383

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Thu 5/29

7:24 pm-6:29 am

1 stop9h 05m

Baltimore/Washington

Mon 6/2

7:05 pm-3:05 pm

1 stop22h 00m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 41 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 May 1, 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.

Rainfall in Baltimore by month

Plan your trip to Baltimore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Baltimore ranges from 2.9 - 4.1 inches per month. July is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Baltimore when rainfall is around 2.9 in.

Temperature in Baltimore by month

Plan your trip to Baltimore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Baltimore, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 May 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Montana to Baltimore by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

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
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

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
4,294 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,408 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

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 $151. American Airlines 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, Billings Logan Intl - Baltimore/Washington and Missoula Johnson-Bell Field - 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 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$203Average$490FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$210Average$638FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$365Average$485FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$426Average$532FlexibilityNo cancel feeOn-time63%

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