HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Great Falls

$382+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — GTF
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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 1/272:28 pm
MDT
-
GTF
2 stops33h 25m
United Airlines
Sat 1/316:10 am
GTF
-
MDT
2 stops10h 49m
United Airlines
Deal found 1/26$819

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars
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

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 January 29, 2026.
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 7/15

6:30 am-11:23 am

1 stop6h 53m

$382

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Tue 5/19

10:40 am-9:18 pm

2 stops12h 38m

$408

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Wed 5/20

2:09 pm-8:17 pm

3 stops32h 08m

$421

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Wed 5/20

6:25 pm-10:44 pm

2 stops30h 19m

$427

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Mon 5/18

12:30 pm-10:44 pm

2 stops12h 14m

$550

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Mon 5/18

5:49 pm-9:18 pm

3 stops29h 29m

$563

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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 January.
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 January 29, 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
9,215 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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.

  • 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.

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.

Alternative routes for Harrisburg to Great Falls

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Bozeman flights
John F Kennedy Intl to Bozeman flights
LaGuardia to Bozeman flights
Dulles Intl to Bozeman flights
Reagan-National to Bozeman flights
Philadelphia to Bozeman flights
John F Kennedy Intl to Kalispell flights
John F Kennedy Intl to Missoula flights
Pittsburgh to Bozeman flights
Newark to Kalispell flights
Newark to Missoula flights
LaGuardia to Kalispell flights
Dulles Intl to Missoula flights
Dulles Intl to Kalispell flights
LaGuardia to Missoula flights
Philadelphia to Kalispell flights
Pittsburgh to Kalispell flights
John F Kennedy Intl to Billings flights
Newark to Billings flights
Reagan-National to Kalispell flights
Philadelphia to Missoula flights
Dulles Intl to Great Falls flights
Dulles Intl to Billings flights
LaGuardia to Billings flights
Reagan-National to Missoula flights
State College to Bozeman flights
Philadelphia to Billings flights
Newark to Helena flights
John F Kennedy Intl to Helena flights
Harrisburg to Bozeman flights
Newark to Great Falls flights
John F Kennedy Intl to Great Falls flights
Reagan-National to Billings flights
Harrisburg to Billings flights
Pittsburgh to Missoula flights
LaGuardia to Helena flights
Philadelphia to Great Falls flights
Allentown to Bozeman flights
LaGuardia to Great Falls flights
Newark to West Yellowstone flights
Dulles Intl to Helena flights
Newark to Butte flights
LaGuardia to West Yellowstone flights
Pittsburgh to Billings flights
Reagan-National to Great Falls flights
John F Kennedy Intl to West Yellowstone flights
Pittsburgh to Helena flights
LaGuardia to Butte flights
Harrisburg to Kalispell flights
Newark to Cody flights

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 January 29, 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.