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$594+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — GTF
Apr 3 — Apr 101
Fri 4/3
Fri 4/10
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 March 4, 2026.

This United Airlines deal was found by Cheapflights users on 3/2. 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 3/1710:40 am
MDT
-
GTF
2 stops12h 31m
United Airlines
Sat 3/216:15 am
GTF
-
MDT
2 stops12h 50m
United Airlines
Deal found 3/2$594
This United Airlines deal was found by Cheapflights users on 3/3. 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 7/2812:30 pm
GTF
-
MDT
1 stop6h 59m
United Airlines
Deal found 3/3$602
This United Airlines deal was found by Cheapflights users on 3/4. 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 8/245:53 pm
MDT
-
GTF
2 stops29h 35m
United Airlines
Sat 8/292:31 pm
GTF
-
MDT
2 stops17h 00m
United Airlines
Deal found 3/4$637
This United Airlines deal was found by Cheapflights users on 2/27. 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 10/278:30 pm
MDT
-
GTF
2 stops28h 00m
United Airlines
Sat 10/316:15 am
GTF
-
MDT
2 stops11h 15m
United Airlines
Deal found 2/27$718
This United Airlines deal was found by Cheapflights users on 3/2. 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 3/1610:40 am
MDT
-
GTF
2 stops12h 31m
United Airlines
Thu 3/196:15 am
GTF
-
MDT
2 stops8h 29m
United Airlines
Deal found 3/2$847
This United Airlines deal was found by Cheapflights users on 3/3. 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 6/3010:30 am
MDT
-
GTF
2 stops13h 04m
United Airlines
Mon 7/66:15 am
GTF
-
MDT
2 stops10h 29m
United Airlines
Deal found 3/3$1,128

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 March 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$594
(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 March 4, 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

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Tue 3/17

10:40 am-9:11 pm

2 stops12h 31m

Great Falls

Sat 3/21

6:15 am-9:05 pm

2 stops12h 50m

$594

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Thu 7/23

7:59 pm-9:34 pm

2 stops27h 35m

Great Falls

Tue 7/28

12:30 pm-9:29 pm

1 stop6h 59m

$602

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Mon 8/24

5:53 pm-9:28 pm

2 stops29h 35m

Great Falls

Sat 8/29

2:31 pm-11:25 pm

2 stops30h 54m

$602

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Mon 3/16

10:40 am-9:11 pm

2 stops12h 31m

Great Falls

Thu 3/19

6:15 am-4:44 pm

2 stops8h 29m

$847

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Tue 6/30

10:30 am-9:34 pm

2 stops13h 04m

Great Falls

Mon 7/6

6:15 am-6:44 pm

2 stops10h 29m

$1,128

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Wed 6/10

10:30 am-9:34 pm

2 stops13h 04m

Great Falls

Fri 6/19

6:15 am-9:29 pm

2 stops13h 14m

$1,230

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Mon 7/20

2:56 pm-10:44 pm

2 stops9h 48m

$600

HarrisburgGreat Falls

MDT - GTF

MDTGTF

Harrisburg

Mon 7/20

11:37 am-4:23 pm

3 stops30h 46m

$749

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

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 March.
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 March 4, 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
9,389 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

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
9,389 reviews
United Airlines
7.4
Good
9,389 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

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.

  • How long is the flight from Harrisburg to Great Falls?

    United Airlines can get you from Harrisburg to Great Falls in just under 12h 31m. Your travel time can differ by up to . The distance from Harrisburg to Great Falls is about 1779 mi.

  • 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

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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 March 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$280Average$373FlexibilityNo cancel feeOn-time69%

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