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$517+ Cheap flights from Harrisburg to Great Falls (MDT - GTF)

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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — GTF
Jun 19 — Jun 261
Fri 6/19
Fri 6/26
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 May 20, 2026.

This Delta deal was found by Cheapflights users on 5/19. 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 8/116:24 pm
MDT
-
GTF
2 stops30h 24m
Delta
Tue 8/186:28 pm
GTF
-
MDT
2 stops26h 53m
Delta
Deal found 5/19$565
This Delta deal was found by Cheapflights users on 5/19. 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 8/116:24 pm
MDT
-
GTF
2 stops30h 24m
Delta
Sun 8/166:28 pm
GTF
-
MDT
2 stops20h 40m
Delta
Deal found 5/19$686
This Delta deal was found by Cheapflights users on 5/19. 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 8/116:24 pm
MDT
-
GTF
2 stops25h 18m
Delta
Thu 8/205:40 am
GTF
-
MDT
2 stops15h 41m
Delta
Deal found 5/19$716
This Delta deal was found by Cheapflights users on 5/19. 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 8/106:24 pm
MDT
-
GTF
2 stops20h 04m
Delta
Tue 8/181:08 pm
GTF
-
MDT
2 stops32h 13m
Delta
Deal found 5/19$721
This Delta deal was found by Cheapflights users on 5/19. 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 8/155:20 pm
MDT
-
GTF
2 stops31h 28m
Delta
Tue 8/186:28 pm
GTF
-
MDT
2 stops26h 53m
Delta
Deal found 5/19$723
This United Airlines deal was found by Cheapflights users on 5/19. 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 8/117:59 pm
MDT
-
GTF
2 stops27h 13m
United Airlines
Sat 8/156:15 am
GTF
-
MDT
2 stops25h 22m
United Airlines
Deal found 5/19$724
This Delta deal was found by Cheapflights users on 5/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:22 pm
MDT
-
GTF
2 stops25h 22m
Delta
Sun 6/216:25 pm
GTF
-
MDT
2 stops27h 30m
Delta
Deal found 5/16$732
This United Airlines deal was found by Cheapflights users on 5/19. 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.
Mon 8/107:59 pm
MDT
-
GTF
2 stops27h 13m
United Airlines
Thu 8/206:15 am
GTF
-
MDT
2 stops25h 22m
United Airlines
Deal found 5/19$737
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Sat 6/137:59 pm
MDT
-
GTF
2 stops27h 35m
United Airlines
Sat 6/2012:30 pm
GTF
-
MDT
1 stop6h 59m
United Airlines
Deal found 5/16$743
This United Airlines deal was found by Cheapflights users on 5/19. 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 8/147:59 pm
MDT
-
GTF
2 stops27h 13m
United Airlines
Thu 8/206:15 am
GTF
-
MDT
2 stops25h 22m
United Airlines
Deal found 5/19$757
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Thu 9/107:59 pm
MDT
-
GTF
2 stops27h 13m
United Airlines
Mon 9/142:25 pm
GTF
-
MDT
2 stops24h 27m
United Airlines
Deal found 5/15$771

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 May 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$565
(Delta)

One-way from

$517
(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
One-way flight 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 May 20, 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

Sat 8/15

5:20 pm-10:48 pm

2 stops31h 28m

Great Falls

Tue 8/18

6:28 pm-11:21 pm

2 stops26h 53m

$723

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Tue 8/11

7:59 pm-9:12 pm

2 stops27h 13m

Great Falls

Sat 8/15

6:15 am-9:37 am

2 stops25h 22m

$724

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Mon 6/15

7:59 pm-9:34 pm

2 stops27h 35m

Great Falls

Sat 6/20

12:30 pm-9:29 pm

1 stop6h 59m

$743

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Sat 6/13

7:59 pm-9:34 pm

2 stops27h 35m

Great Falls

Tue 6/23

6:15 am-9:40 am

2 stops25h 25m

$783

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Thu 7/23

7:59 pm-9:34 pm

2 stops27h 35m

Great Falls

Tue 7/28

6:15 am-9:40 am

2 stops25h 25m

$803

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Tue 8/11

6:24 pm-10:48 pm

2 stops30h 24m

Great Falls

Mon 8/17

6:28 pm-11:21 pm

2 stops26h 53m

$826
Quickest round-trip

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Tue 10/27

10:35 am-10:30 pm

2 stops13h 55m

Great Falls

Sat 10/31

2:25 pm-10:24 am

2 stops17h 59m

$831
Cheapest one-way
Quickest one-way

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Thu 7/23

7:59 pm-9:34 pm

2 stops27h 35m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

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 May.
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.

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 May 20, 2026.
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
9,737 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,737 reviews
United Airlines
7.4
Good
9,737 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 27h 13m. Your travel time can differ by up to 4h 15m. 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.

  • 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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