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$518+ Cheap flights from Harrisburg to Great Falls (MDT - GTF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — GTF
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Harrisburg to Great Falls

Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) to Great Falls (GTF). 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

$518
(Delta)
From Harrisburg to Great Falls
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Find flight deals from Harrisburg to Great Falls

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

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.
Wed 12/1012:41 pmMDT - GTF
2 stops11h 49mDelta
Sat 12/136:10 pmGTF - MDT
2 stops20h 03mDelta
Deal found 9/14$518
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/1010:40 amMDT - GTF
2 stops12h 52mUnited Airlines
Wed 12/172:35 pmGTF - MDT
2 stops17h 38mUnited Airlines
Deal found 9/16$585
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.
Tue 12/236:30 amMDT - GTF
2 stops33h 09mUnited Airlines
Tue 12/302:35 pmGTF - MDT
2 stops31h 32mUnited Airlines
Deal found 9/15$824
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.
Wed 12/246:30 amMDT - GTF
2 stops33h 09mUnited Airlines
Fri 1/22:35 pmGTF - MDT
2 stops31h 32mUnited Airlines
Deal found 9/15$867

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harrisburg to Great Falls 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 Harrisburg to Great Falls that are best for you.

Fly from

Harrisburg

Fly to

Great Falls

Route

Depart

Return

Price

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Wed 12/10

12:41 pm-10:30 pm

2 stops11h 49m

Great Falls

Sat 12/13

6:10 pm-4:13 pm

2 stops20h 03m

$518

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Wed 12/10

10:40 am-9:32 pm

2 stops12h 52m

Great Falls

Wed 12/17

2:35 pm-10:13 am

2 stops17h 38m

$585

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Tue 12/23

6:30 am-1:39 pm

2 stops33h 09m

Great Falls

Tue 12/30

2:35 pm-12:07 am

2 stops31h 32m

$824

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Wed 12/24

6:30 am-1:39 pm

2 stops33h 09m

Great Falls

Fri 1/2

2:35 pm-12:07 am

2 stops31h 32m

$867

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Harrisburg to Great Falls

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

What is the cheapest month to book a flight from Harrisburg to Great Falls?

Currently, January is the cheapest month in which you can book a flight from Harrisburg to Great Falls (average of $367). Flying from Harrisburg to Great Falls in July is currently the most expensive (average of $574). 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 Great Falls

Get insights into the airlines that provide service to Great Falls. 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 Great Falls. Reviews last updated September 16, 2025.
Read reviews from past customers who have flown United Airlines from Harrisburg to Great Falls. 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.
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Harrisburg to Great Falls. 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 Harrisburg to Great Falls?

    Delta and United Airlines can get you from Harrisburg to Great Falls in just under 11h 49m. Your travel time can differ by up to 1h 03m. The distance from Harrisburg to Great Falls is about 1779 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Harrisburg to Great Falls round-trip?

    According to our current data, United Airlines ($280), offers the cheapest pricing from Harrisburg to Great Falls.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Harrisburg to Great Falls (average of $367). Flying from Harrisburg to Great Falls in July is currently the most expensive (average of $574). 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

Traveling to a place near Great Falls?

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Top airline flying from Harrisburg to Great Falls

Discover the top airline that operate flights from Harrisburg to Great Falls. 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
United AirlinesCheapest$280Average$373FlexibilityNo cancel feeOn-time69%

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