HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Baltimore

$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 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BWI
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(Southwest)

One-way from

$125
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$326
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 ($17 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 November 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 November 26, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:57 pmBZN - BWI
1 stop12h 47mAlaska Airlines
Mon 1/57:00 pmBWI - BZN
1 stop17h 57mAlaska Airlines
Deal found 11/24$262
This Alaska Airlines deal was found by Cheapflights users on 11/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/92:58 pmBZN - BWI
1 stop12h 42mAlaska Airlines
Sat 12/137:00 amBWI - BZN
1 stop9h 04mAlaska Airlines
Deal found 11/24$298
This Delta deal was found by Cheapflights users on 11/24. 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.
Tue 12/92:17 pmBZN - BWI
1 stop8h 04mDelta
Sat 12/132:41 pmBWI - BZN
2 stops10h 26mDelta
Deal found 11/24$304
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/2412:38 pmFCA - BWI
1 stop6h 48mUnited Airlines
Sun 1/46:15 amBWI - FCA
1 stop7h 27mUnited Airlines
Deal found 11/24$310
This United Airlines deal was found by Cheapflights users on 11/25. 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 12/2012:16 pmBZN - BWI
1 stop7h 10mUnited Airlines
Sun 12/216:15 amBWI - BZN
1 stop7h 24mUnited Airlines
Deal found 11/25$335
This Delta deal was found by Cheapflights users on 11/25. 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 12/172:17 pmBZN - BWI
1 stop8h 04mDelta
Thu 12/186:00 amBWI - BZN
1 stop9h 12mDelta
Deal found 11/25$338
This Delta deal was found by Cheapflights users on 11/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:20 pmBZN - BWI
1 stop7h 15mDelta
Wed 12/316:00 amBWI - BZN
2 stops10h 06mDelta
Deal found 11/26$343
This Alaska Airlines deal was found by Cheapflights users on 11/25. 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.
Wed 12/37:00 amBZN - BWI
1 stop9h 16mAlaska Airlines
Fri 12/127:00 amBWI - BZN
1 stop9h 04mAlaska Airlines
Deal found 11/25$348
This Delta deal was found by Cheapflights users on 11/25. 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 12/26:33 pmBZN - BWI
1 stop9h 27mDelta
Tue 12/97:06 pmBWI - BZN
1 stop6h 31mDelta
Deal found 11/25$349
This Delta deal was found by Cheapflights users on 11/25. 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 12/22:17 pmBZN - BWI
2 stops8h 02mDelta
Fri 12/126:00 amBWI - BZN
1 stop9h 12mDelta
Deal found 11/25$354
This Alaska Airlines deal was found by Cheapflights users on 11/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:35 pmGTF - BWI
1 stop8h 05mAlaska Airlines
Tue 1/67:00 pmBWI - GTF
1 stop24h 19mAlaska Airlines
Deal found 11/26$405
This Alaska Airlines deal was found by Cheapflights users on 11/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:35 pmGTF - BWI
1 stop8h 05mAlaska Airlines
Wed 1/77:14 pmBWI - GTF
1 stop24h 05mAlaska Airlines
Deal found 11/26$415

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 November 26, 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

Thu 12/25

2:57 pm-5:44 am

1 stop12h 47m

Baltimore/Washington

Mon 1/5

7:00 pm-10:57 am

1 stop17h 57m

$262

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sat 1/31

7:23 am-9:24 am

2 stops24h 01m

Baltimore/Washington

Wed 2/4

3:00 pm-8:06 pm

1 stop7h 06m

$285

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Wed 2/18

7:53 pm-5:46 pm

1 stop19h 53m

Baltimore/Washington

Fri 2/27

6:46 pm-12:12 pm

1 stop19h 26m

$289

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Wed 2/18

11:15 am-9:45 pm

1 stop8h 30m

Baltimore/Washington

Sat 2/21

5:50 pm-10:50 pm

1 stop7h 00m

$299

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Tue 12/9

2:17 pm-12:21 am

1 stop8h 04m

Baltimore/Washington

Sat 12/13

2:41 pm-11:07 pm

2 stops10h 26m

$304

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sat 1/31

7:20 am-6:14 pm

1 stop8h 54m

Baltimore/Washington

Wed 2/4

7:14 pm-11:56 pm

1 stop30h 42m

$305

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Wed 12/24

12:38 pm-9:26 pm

1 stop6h 48m

Baltimore/Washington

Sun 1/4

6:15 am-11:42 am

1 stop7h 27m

$310

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sat 1/10

6:15 am-9:21 pm

2 stops13h 06m

Baltimore/Washington

Sat 1/17

8:23 am-3:20 pm

1 stop8h 57m

$323

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Fri 5/8

3:00 pm-11:44 pm

1 stop6h 44m

Baltimore/Washington

Sun 5/10

6:19 am-1:45 pm

1 stop9h 26m

$358

CodyBaltimore

COD - BWI

CODBWI

Cody E.E. Faust

Tue 1/27

1:36 pm-11:15 pm

1 stop7h 39m

Baltimore/Washington

Sat 1/31

4:10 pm-10:44 pm

1 stop8h 34m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 60 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, April is the cheapest month in which you can book a flight from Montana to Baltimore (average of $169). Flying from Montana to Baltimore in July is currently the most expensive (average of $271). 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 November 26, 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, Delta, and Southwest can get you from Montana to Baltimore in just under 8h 30m. Your travel time can differ by up to 15h 31m. 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 American Airlines, which is currently one of the cheapest options available, starting at $125. United Airlines flights start at $125 while deals on Delta start at $149 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, Kalispell Glacier Park - Baltimore/Washington and Bozeman Gallatin 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, April is the cheapest month in which you can book a flight from Montana to Baltimore (average of $169). Flying from Montana to Baltimore in July is currently the most expensive (average of $271). 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
Dallas/Fort Worth to Baltimore flights
Los Angeles to Reagan-National flights
Los Angeles to Dulles Intl flights
Los Angeles to Baltimore flights
Boston to Baltimore flights
San Francisco to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Boston to Reagan-National flights
San Francisco to Reagan-National flights
O'Hare Intl to Dulles Intl flights
O'Hare Intl to Reagan-National flights
Seattle to Reagan-National flights
Hobby to Baltimore flights
Atlanta to Dulles Intl flights
O'Hare Intl to Baltimore flights
O'Hare Intl to Philadelphia flights
Boston to Dulles Intl flights
Atlanta to Baltimore flights
Atlanta to Reagan-National flights
Seattle to Dulles Intl flights
Hobby to Dulles Intl flights
LaGuardia to Reagan-National flights
Orlando to Philadelphia flights
San Francisco to Baltimore flights
Los Angeles to Philadelphia flights
Dallas/Fort Worth to Philadelphia flights
San Francisco to Philadelphia flights
Denver to Baltimore flights
Denver to Dulles Intl flights
Atlanta to Philadelphia flights
John F Kennedy Intl to Dulles Intl flights
Orlando to Dulles Intl flights
Hobby to Reagan-National flights
Fort Lauderdale to Baltimore flights
Boston to Philadelphia flights
Tampa to Dulles Intl flights
George Bush Intcntl to Dulles Intl flights
Fort Lauderdale to Philadelphia flights
Miami to Dulles Intl flights
George Bush Intcntl to Baltimore flights
Denver to Philadelphia flights
Tampa to Reagan-National flights
Miami to Baltimore flights
Hobby to Philadelphia flights
Tampa to Baltimore flights
Seattle to Baltimore flights
Minneapolis to Dulles Intl flights
Denver to Reagan-National flights
George Bush Intcntl to Philadelphia flights

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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$203Average$414FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$210Average$621FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$254Average$436FlexibilityNo 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.