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$324+ Cheap flights from Great Falls to Baltimore (GTF - 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — BWI
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Great Falls to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Baltimore (BWI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$387
(Kiwi.com)

One-way from

$324
(United Airlines)

Popular in

September

Cheapest in

January

Average price

$601
From Great Falls to Baltimore/Washington
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One-way flight from Great Falls to Baltimore/Washington
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Highest demand for flights based on searches. 12% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Great Falls to Baltimore

Cheapest flights from Great Falls to Baltimore
Explore the most affordable flight options available from Great Falls to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/294:55 pmGTF - BWI
2 stops36h 06mMultiple Airlines
Fri 10/38:16 amBWI - GTF
1 stop15h 21mMultiple Airlines
Deal found 9/14$387
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/242:31 pmGTF - BWI
1 stop6h 47mUnited Airlines
Wed 10/296:15 amBWI - GTF
2 stops9h 12mUnited Airlines
Deal found 9/13$437
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:15 pmGTF - BWI
1 stop9h 57mAlaska Airlines
Wed 10/297:38 amBWI - GTF
1 stop12h 32mAlaska Airlines
Deal found 9/13$542
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/102:31 pmGTF - BWI
1 stop6h 47mUnited Airlines
Mon 10/134:21 pmBWI - GTF
1 stop6h 50mUnited Airlines
Deal found 9/15$580
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:42 pmGTF - BWI
1 stop7h 57mAlaska Airlines
Tue 12/27:16 pmBWI - GTF
1 stop25h 39mAlaska Airlines
Deal found 9/14$618
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:21 pmGTF - BWI
1 stop8h 23mAlaska Airlines
Fri 12/267:00 pmBWI - GTF
1 stop25h 41mAlaska Airlines
Deal found 9/15$660
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/296:11 pmGTF - BWI
2 stops13h 02mDelta
Fri 10/310:29 amBWI - GTF
2 stops13h 59mDelta
Deal found 9/14$731
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1010:27 pmGTF - BWI
2 stops23h 17mMultiple Airlines
Mon 10/137:50 amBWI - GTF
1 stop15h 42mMultiple Airlines
Deal found 9/15$739
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/262:30 pmGTF - BWI
1 stop6h 27mUnited Airlines
Tue 12/21:10 pmBWI - GTF
2 stops50h 29mUnited Airlines
Deal found 9/14$776

Cheapflights Fare Finder

 
Customize your flight search to find flights from Great Falls 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 September 16, 2025.
Use the filters below to find and compare flights from Great Falls to Baltimore that are best for you.

Fly from

Great Falls

Fly to

Baltimore

Route

Depart

Return

Price

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Fri 10/24

2:31 pm-11:18 pm

1 stop6h 47m

Baltimore/Washington

Wed 10/29

6:15 am-1:27 pm

2 stops9h 12m

$437

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Mon 9/29

4:55 pm-4:30 am

1 stop9h 35m

Baltimore/Washington

Fri 10/3

8:16 am-9:37 pm

1 stop15h 21m

$486

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Mon 3/9

6:15 pm-6:07 am

1 stop9h 52m

Baltimore/Washington

Wed 3/11

7:10 am-12:32 pm

1 stop7h 22m

$504

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Fri 10/24

6:15 pm-6:12 am

1 stop9h 57m

Baltimore/Washington

Wed 10/29

7:38 am-6:10 pm

1 stop12h 32m

$542

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Fri 10/10

2:31 pm-11:18 pm

1 stop6h 47m

Baltimore/Washington

Mon 10/13

4:21 pm-9:11 pm

1 stop6h 50m

$580

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Wed 11/26

7:42 pm-5:39 am

1 stop7h 57m

Baltimore/Washington

Tue 12/2

7:16 pm-6:55 pm

1 stop25h 39m

$618

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Sat 10/4

7:00 am-9:22 pm

2 stops12h 22m

$324

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Tue 9/30

2:31 pm-9:55 am

2 stops17h 24m

$324

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Fri 10/3

2:31 pm-9:55 am

2 stops17h 24m

$328

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Thu 10/2

2:31 pm-9:55 am

2 stops17h 24m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 18 results
1
2

Best time to book a flight from Great Falls to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Great Falls 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.

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 September 16, 2025.
Read reviews from past customers who have flown Delta and United Airlines from Great Falls to Baltimore. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Great Falls to Baltimore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Great Falls to Baltimore?

    United Airlines and Delta can get you from Great Falls to Baltimore in just under 6h 47m. Your travel time can differ by up to 3h 05m. Great Falls and Baltimore are separated by a distance of 1817 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 flying from Great Falls to Baltimore round-trip?

    Cheapflights users have booked flights from Great Falls to Baltimore round-trip from $295. Another airline that can offer you cheap pricing is United Airlines. Users have found that Delta is 36% cheaper than the other options available to this destination.

  • Can I find deals for flights from Great Falls to Baltimore that include hotel bookings?

    Yes. In addition to deals on Great Falls to Baltimore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Great Falls to Baltimore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to Baltimore.

  • Can I find deals for business class flights from Great Falls to Baltimore?

    Yes. Cheapflights offers flight deals from Great Falls 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 Great Falls to Baltimore?

    Currently, August is the cheapest month in which you can book a flight from Great Falls to Baltimore (average of $241). Flying from Great Falls 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 Great Falls to Baltimore

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Great Falls to Baltimore

Discover the top 2 airlines that operate flights from Great Falls 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$295Average$396FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$428Average$519FlexibilityNo cancel feeOn-time69%

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