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$122+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — BWI
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$326
(Mytrip)

One-way from

$122
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$687
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 ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 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 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 July 29, 2025.

This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1110:14 amGTF - BWI
2 stops17h 19mMultiple Airlines
Mon 9/228:15 amBWI - GTF
1 stop9h 50mMultiple Airlines
Deal found 7/28$326
This Delta deal was found by Cheapflights users on 7/27. 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 10/256:09 pmGTF - BWI
2 stops13h 04mDelta
Sat 11/16:00 amBWI - GTF
2 stops8h 28mDelta
Deal found 7/27$501
This United Airlines deal was found by Cheapflights users on 7/27. 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 10/252:31 pmGTF - BWI
1 stop6h 47mUnited Airlines
Sat 11/18:20 amBWI - GTF
1 stop7h 13mUnited Airlines
Deal found 7/27$576

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 July 29, 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

Mon 8/11

10:14 am-5:33 am

2 stops17h 19m

Baltimore/Washington

Mon 9/22

8:15 am-4:05 pm

1 stop9h 50m

$326

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Sat 10/25

6:09 pm-9:13 am

2 stops13h 04m

Baltimore/Washington

Sat 11/1

6:00 am-12:28 pm

2 stops8h 28m

$501

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Sat 10/25

2:31 pm-11:18 pm

1 stop6h 47m

Baltimore/Washington

Sat 11/1

8:20 am-1:33 pm

1 stop7h 13m

$576

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Mon 9/22

4:55 pm-4:30 am

1 stop9h 35m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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.

Cheapflights Insights

Everything you need to know about your flight from Great Falls to Baltimore

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.

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 29, 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
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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.

  • 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 $501. Another airline that can offer you cheap pricing is United Airlines.

  • 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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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$295Average$414FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$428Average$604FlexibilityNo cancel feeOn-time69%

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