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$379+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — GTF
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheap 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 July 29, 2026.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:17 pm
MDT
-
GTF
2 stops8h 55m
United Airlines
Sat 8/296:15 am
GTF
-
MDT
2 stops12h 38m
United Airlines
Deal found 7/28$379
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:17 pm
MDT
-
GTF
2 stops8h 55m
United Airlines
Wed 8/266:15 am
GTF
-
MDT
2 stops12h 38m
United Airlines
Deal found 7/28$438
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:17 pm
MDT
-
GTF
2 stops8h 55m
United Airlines
Fri 8/286:15 am
GTF
-
MDT
2 stops12h 38m
United Airlines
Deal found 7/28$513
This United Airlines deal was found by Cheapflights users on 7/25. 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 10/316:30 am
MDT
-
GTF
2 stops9h 19m
United Airlines
Tue 11/36:30 am
GTF
-
MDT
2 stops8h 16m
United Airlines
Deal found 7/25$539
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:57 am
MDT
-
GTF
2 stops12h 15m
United Airlines
Thu 8/276:15 am
GTF
-
MDT
2 stops12h 38m
United Airlines
Deal found 7/28$611

Find 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 July 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$379
(United Airlines)
Provider with most accurate pricing for Harrisburg-Great Falls flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harrisburg-Great Falls flights.
Search Deals
From Harrisburg to Great Falls
Search Deals

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 July 29, 2026.
Use the filters below to find and compare flights from Harrisburg to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Fri 8/21

2:17 pm-9:12 pm

2 stops8h 55m

Great Falls

Fri 8/28

6:15 am-8:53 pm

2 stops12h 38m

$513

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Wed 8/19

2:17 pm-9:12 pm

2 stops8h 55m

Great Falls

Wed 8/26

6:15 am-8:53 pm

2 stops12h 38m

$539
Quickest round-trip

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Sat 10/31

6:30 am-1:49 pm

2 stops9h 19m

Great Falls

Tue 11/3

6:30 am-4:46 pm

2 stops8h 16m

$539

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Tue 8/18

2:17 pm-9:12 pm

2 stops8h 55m

Great Falls

Tue 8/25

6:15 am-8:53 pm

2 stops12h 38m

$639

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Tue 1/12

5:31 pm-9:20 pm

2 stops29h 49m

Great Falls

Sat 1/16

6:15 am-9:24 am

3 stops25h 09m

$759

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Thu 9/10

5:54 pm-9:12 pm

2 stops29h 18m

Great Falls

Mon 9/14

2:25 pm-4:52 pm

2 stops24h 27m

$791

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Sorted by cheapest first

Compare providers for flights from Harrisburg to Great Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Harrisburg to Great Falls in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Harrisburg-Great Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harrisburg-Great Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harrisburg-Great Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harrisburg-Great Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Harrisburg-Great Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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?

    United Airlines can get you from Harrisburg to Great Falls in just under 8h 55m. Your travel time can differ by up to . The distance from Harrisburg to Great Falls is about 1779 mi.

  • 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.

See more FAQs

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