HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Baltimore

$138+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BWI
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Montana to Baltimore with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$301
(Mytrip)

One-way from

$138
(Mytrip)

Popular in

May

Cheapest in

September

Average price

$510
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. 8% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/27. 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 5/99:39 amBZN - BWI
2 stops31h 47mMultiple Airlines
Sun 5/115:15 pmBWI - BZN
1 stop17h 34mMultiple Airlines
Deal found 3/27$301
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/12:55 pmBZN - BWI
1 stop12h 50mAlaska Airlines
Sat 11/87:30 amBWI - BZN
1 stop8h 35mAlaska Airlines
Deal found 3/28$302
This Delta deal was found by Cheapflights users on 3/28. 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.
Sat 4/266:00 amBZN - BWI
1 stop6h 43mDelta
Sat 5/37:05 amBWI - BZN
1 stop7h 10mDelta
Deal found 3/28$303
This Mytrip deal was found by Cheapflights users on 3/26. 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 4/119:06 pmMSO - BWI
1 stop21h 21mMultiple Airlines
Mon 4/216:51 amBWI - MSO
1 stop10h 35mMultiple Airlines
Deal found 3/26$321
This Mytrip deal was found by Cheapflights users on 3/27. 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 5/95:34 pmGTF - BWI
1 stop10h 35mMultiple Airlines
Sun 5/115:15 pmBWI - GTF
2 stops25h 29mMultiple Airlines
Deal found 3/27$325
This Southwest deal was found by Cheapflights users on 3/27. 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.
Fri 5/91:05 pmBZN - BWI
1 stop10h 50mSouthwest
Sun 5/116:10 amBWI - BZN
1 stop6h 30mSouthwest
Deal found 3/27$325
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 8/154:00 pmBZN - BWI
2 stops11h 24mUnited Airlines
Sun 8/316:17 amBWI - BZN
1 stop7h 16mUnited Airlines
Deal found 3/27$341
This Delta deal was found by Cheapflights users on 3/27. 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 4/265:50 amGTF - BWI
1 stop6h 53mDelta
Sat 5/33:43 pmBWI - GTF
1 stop6h 50mDelta
Deal found 3/27$350
This Delta deal was found by Cheapflights users on 3/27. 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 5/206:20 pmMSO - BWI
1 stop9h 20mDelta
Wed 6/47:02 pmBWI - MSO
1 stop6h 45mDelta
Deal found 3/27$361
This American Airlines deal was found by Cheapflights users on 3/27. 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 4/151:51 pmBZN - BWI
1 stop6h 59mAmerican Airlines
Wed 4/236:15 amBWI - BZN
1 stop8h 52mAmerican Airlines
Deal found 3/27$374
This Delta deal was found by Cheapflights users on 3/28. 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 4/242:14 pmFCA - BWI
1 stop7h 45mDelta
Tue 4/296:00 amBWI - FCA
1 stop9h 19mDelta
Deal found 3/28$384
This United Airlines deal was found by Cheapflights users on 3/27. 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 5/172:33 pmFCA - BWI
1 stop6h 44mUnited Airlines
Sun 5/256:51 amBWI - FCA
1 stop10h 43mUnited Airlines
Deal found 3/27$406

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 March 28, 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

Fri 5/9

9:39 am-7:26 pm

2 stops31h 47m

Baltimore/Washington

Sun 5/11

5:15 pm-8:49 am

1 stop17h 34m

$301

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Fri 4/25

2:54 pm-5:46 am

1 stop12h 52m

Baltimore/Washington

Sat 4/26

7:06 am-11:54 pm

1 stop18h 48m

$302

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sat 4/26

6:00 am-2:43 pm

1 stop6h 43m

Baltimore/Washington

Sat 5/3

7:05 am-12:15 pm

1 stop7h 10m

$303

MissoulaBaltimore

MSO - BWI

MSOBWI

Missoula Johnson-Bell Field

Fri 4/11

9:06 pm-8:27 pm

1 stop21h 21m

Baltimore/Washington

Mon 4/21

6:51 am-3:26 pm

1 stop10h 35m

$321

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Fri 5/9

1:05 pm-1:55 am

1 stop10h 50m

Baltimore/Washington

Sun 5/11

6:10 am-10:40 am

1 stop6h 30m

$325

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Fri 5/9

5:34 pm-6:09 am

1 stop10h 35m

Baltimore/Washington

Sun 5/11

5:15 pm-4:44 pm

2 stops25h 29m

$325

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Fri 8/15

4:00 pm-5:24 am

2 stops11h 24m

Baltimore/Washington

Sun 8/31

6:17 am-11:33 am

1 stop7h 16m

$341

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Sat 4/26

5:50 am-2:43 pm

1 stop6h 53m

Baltimore/Washington

Sat 5/3

3:43 pm-8:33 pm

1 stop6h 50m

$350

MissoulaBaltimore

MSO - BWI

MSOBWI

Missoula Johnson-Bell Field

Tue 5/20

6:20 pm-5:40 am

1 stop9h 20m

Baltimore/Washington

Wed 6/4

7:02 pm-11:47 pm

1 stop6h 45m

$361

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Tue 4/15

1:51 pm-10:50 pm

1 stop6h 59m

Baltimore/Washington

Wed 4/23

6:15 am-1:07 pm

1 stop8h 52m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 57 results
1
2
3
...
6

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 March 28, 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 March 28, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,335 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $148. Delta flights start at $152 while deals on Sun Country Air start at $170 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 Great Falls - 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montana to Baltimore

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Dulles Intl flights
Boston to Reagan-National flights
Boston to Dulles Intl flights
Los Angeles to Reagan-National flights
Dallas/Fort Worth to Baltimore flights
Los Angeles to Dulles Intl flights
Boston to Baltimore flights
San Francisco to Dulles Intl flights
O'Hare Intl to Baltimore flights
Dallas/Fort Worth to Reagan-National flights
Seattle to Reagan-National flights
San Francisco to Reagan-National flights
Hobby to Baltimore flights
O'Hare Intl to Philadelphia flights
Seattle to Dulles Intl flights
Los Angeles to Baltimore flights
O'Hare Intl to Dulles Intl flights
Hobby to Reagan-National flights
Boston to Philadelphia flights
Denver to Reagan-National flights
Hobby to Dulles Intl flights
Atlanta to Dulles Intl flights
O'Hare Intl to Reagan-National flights
Denver to Dulles Intl flights
Tampa to Dulles Intl flights
Los Angeles to Philadelphia flights
Seattle to Philadelphia flights
George Bush Intcntl to Dulles Intl flights
San Francisco to Philadelphia flights
San Francisco to Baltimore flights
John F Kennedy Intl to Reagan-National flights
Minneapolis to Dulles Intl flights
Orlando to Dulles Intl flights
Dallas/Fort Worth to Philadelphia flights
John F Kennedy Intl to Dulles Intl flights
LaGuardia to Reagan-National flights
George Bush Intcntl to Baltimore flights
Atlanta to Baltimore flights
Atlanta to Reagan-National flights
Miami to Dulles Intl flights
Austin to Dulles Intl flights
Fort Lauderdale to Baltimore flights
Minneapolis to Reagan-National flights
Fort Lauderdale to Dulles Intl flights
Providence to Dulles Intl flights
Denver to Baltimore flights
Seattle to Baltimore flights
Minneapolis to Baltimore flights
George Bush Intcntl to Reagan-National flights
Orlando to Baltimore flights

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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$203Average$492FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$210Average$666FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$365Average$485FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$426Average$532FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.