$459+ 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — GTF
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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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
Best
Last-minute
Cheapest flights from Harrisburg to Great FallsExplore 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 September 12, 2026.
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 September 12, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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.
Sun 10/412:15 pm -
2 stops12h 22m
Mon 10/196:27 pm -
2 stops14h 32m
Deal found 9/8![Delta logo]()
$579
This United Airlines deal was found by Cheapflights users on 9/11. 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 12/176:00 am -
2 stops9h 41m
Thu 1/76:15 am -
2 stops10h 50m
Deal found 9/11![United Airlines logo]()
$789
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/1010:30 am -
2 stops12h 42m
Mon 9/142:25 pm -
2 stops31h 05m
Deal found 9/9![United Airlines logo]()
$883
This United Airlines deal was found by Cheapflights users on 9/11. 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 12/186:00 am -
2 stops9h 41m
Thu 12/316:20 am -
2 stops12h 55m
Deal found 9/11![United Airlines logo]()
$932
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/212:08 pm -
2 stops9h 14m
Wed 10/286:30 am -
3 stops10h 06m
Deal found 9/7![United Airlines logo]()
$1,001
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sun 10/46:15 am -
2 stops9h 26m
Mon 10/196:15 am -
3 stops13h 17m
Deal found 9/8![United Airlines logo]()
$1,089
Best flights from Harrisburg to Great FallsDiscover carefully curated flight deals from Harrisburg to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Harrisburg to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This United Airlines deal was found by Cheapflights users on 9/10. 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 1/910:35 am -
2 stops12h 45m
Tue 1/126:15 am -
2 stops10h 50m
Deal found 9/10![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 9/8. 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.
Sun 10/412:15 pm -
2 stops12h 22m
Mon 10/196:27 pm -
2 stops14h 32m
Deal found 9/8![Delta logo]()
$579
This United Airlines deal was found by Cheapflights users on 9/11. 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 12/176:00 am -
2 stops9h 41m
Thu 1/76:15 am -
2 stops10h 50m
Deal found 9/11![United Airlines logo]()
$789
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/212:08 pm -
2 stops9h 14m
Wed 10/286:30 am -
3 stops10h 06m
Deal found 9/7![United Airlines logo]()
$1,001
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sun 10/46:15 am -
2 stops9h 26m
Mon 10/196:15 am -
3 stops13h 17m
Deal found 9/8![United Airlines logo]()
$1,089
This United Airlines deal was found by Cheapflights users on 9/11. 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 12/186:00 am -
2 stops9h 41m
Thu 12/316:20 am -
3 stops12h 55m
Deal found 9/11![United Airlines logo]()
$1,156
Last-minute flights from Harrisburg to Great FallsDiscover last-minute flight deals from Harrisburg to Great Falls. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Harrisburg to Great Falls. Data last updated September 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/8. 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.
Sun 10/412:15 pm -
2 stops12h 22m
Mon 10/196:27 pm -
2 stops14h 32m
Deal found 9/8![Delta logo]()
$579
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sun 10/46:15 am -
2 stops9h 26m
Mon 10/196:15 am -
3 stops13h 17m
Deal found 9/8![United Airlines logo]()
$1,089
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/212:08 pm -
2 stops9h 14m
Wed 10/286:30 am -
3 stops10h 06m
Deal found 9/7![United Airlines logo]()
$1,001
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 September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $459 (United Airlines) |
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 7,457,451 searches. Data last updated September 12, 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
Cheapest round-trip
HarrisburgGreat Falls
MDT Harrisburg - GTF Great Falls
MDTGTF
Harrisburg
Sat 1/9
10:35 am-9:20 pm
2 stops12h 45m
Great Falls
Tue 1/12
6:15 am-7:05 pm
2 stops10h 50m
$459
HarrisburgGreat Falls
MDT Harrisburg - GTF Great Falls
MDTGTF
Harrisburg
Sun 10/4
12:15 pm-10:37 pm
2 stops12h 22m
Great Falls
Mon 10/19
6:27 pm-10:59 am
2 stops14h 32m
$579
HarrisburgGreat Falls
MDT Harrisburg - GTF Great Falls
MDTGTF
Harrisburg
Thu 12/17
6:00 am-1:41 pm
2 stops9h 41m
Great Falls
Thu 1/7
6:15 am-7:05 pm
2 stops10h 50m
$789
Quickest round-trip
HarrisburgGreat Falls
MDT Harrisburg - GTF Great Falls
MDTGTF
Harrisburg
Wed 10/21
2:08 pm-9:22 pm
2 stops9h 14m
Great Falls
Wed 10/28
6:30 am-6:36 pm
3 stops10h 06m
$1,001
HarrisburgGreat Falls
MDT Harrisburg - GTF Great Falls
MDTGTF
Harrisburg
Sun 10/4
6:15 am-1:41 pm
2 stops9h 26m
Great Falls
Mon 10/19
6:15 am-9:32 pm
3 stops13h 17m
$1,089
HarrisburgGreat Falls
MDT Harrisburg - GTF Great Falls
MDTGTF
Harrisburg
Fri 12/18
6:00 am-1:41 pm
2 stops9h 41m
Great Falls
Thu 12/31
6:20 am-9:15 pm
3 stops12h 55m
$1,156
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
MDT-GTF
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.
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