HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Great Falls

$276+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — GTF
May 18 — May 251
Mon 5/18
Mon 5/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Harrisburg to Great Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 18, 2026.

This United Airlines deal was found by Cheapflights users on 4/16. 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.
Thu 9/108:30 pm
MDT
-
GTF
2 stops26h 58m
United Airlines
Mon 9/146:15 am
GTF
-
MDT
2 stops29h 48m
United Airlines
Deal found 4/16$724
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Thu 7/237:59 pm
MDT
-
GTF
2 stops27h 35m
United Airlines
Tue 7/286:15 am
GTF
-
MDT
2 stops25h 25m
United Airlines
Deal found 4/16$734
This United Airlines deal was found by Cheapflights users on 4/16. 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 6/136:30 am
MDT
-
GTF
1 stop6h 53m
United Airlines
Sat 6/2012:30 pm
GTF
-
MDT
1 stop6h 59m
United Airlines
Deal found 4/16$767
This United Airlines deal was found by Cheapflights users on 4/14. 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 8/510:30 am
MDT
-
GTF
2 stops13h 04m
United Airlines
Wed 8/122:31 pm
GTF
-
MDT
2 stops30h 54m
United Airlines
Deal found 4/14$787

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 April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$724
(United Airlines)

One-way from

$276
(Kiwi.com)
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 April 18, 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

Thu 9/10

7:59 pm-9:28 pm

2 stops27h 29m

Great Falls

Mon 9/14

6:15 am-2:03 pm

2 stops29h 48m

$729

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Thu 7/23

7:59 pm-9:34 pm

2 stops27h 35m

Great Falls

Tue 7/28

2:37 pm-9:40 am

2 stops17h 03m

$734
Quickest round-trip

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Sat 6/13

6:30 am-11:23 am

1 stop6h 53m

Great Falls

Sat 6/20

6:15 am-6:44 pm

2 stops10h 29m

$843

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Wed 8/5

12:22 pm-10:38 pm

2 stops12h 16m

Great Falls

Wed 8/12

5:30 am-5:08 pm

2 stops9h 38m

$1,009
Cheapest one-way

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Sat 5/2

2:40 pm-10:29 pm

2 stops9h 49m

$454

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Thu 7/23

11:56 am-10:38 pm

2 stops12h 42m

$458
Quickest one-way

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Thu 7/23

6:30 am-11:46 am

1 stop7h 16m

$494

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Fri 5/1

2:10 pm-9:18 pm

2 stops9h 08m

$500

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Thu 4/23

6:15 am-1:31 pm

2 stops9h 16m

$558

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Thu 4/23

12:00 pm-10:29 pm

2 stops12h 29m

$558

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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 April.
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 April 18, 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
9,605 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,605 reviews
United Airlines
7.4
Good
9,605 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 27h 29m. 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

Traveling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
Shelby

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$280Average$373FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.