$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
Sep 24 — Oct 11
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
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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 August 25, 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 August 25, 2026.
This United Airlines deal was found by Cheapflights users on 8/20. 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 11/410:30 am -
2 stops13h 08m
Sat 11/76:30 am -
2 stops25h 15m
Deal found 8/20![United Airlines logo]()
$595
This Delta deal was found by Cheapflights users on 8/23. 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.
Wed 10/76:06 pm -
2 stops20h 32m
Sat 10/105:40 am -
2 stops15h 18m
Deal found 8/23![Delta logo]()
$647
This United Airlines deal was found by Cheapflights users on 8/23. 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 10/102:08 pm -
2 stops9h 14m
Tue 10/136:15 am -
2 stops29h 12m
Deal found 8/23![United Airlines logo]()
$675
This Delta deal was found by Cheapflights users on 8/23. 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 10/106:13 am -
2 stops18h 27m
Fri 10/161:18 pm -
2 stops31h 40m
Deal found 8/23![Delta logo]()
$677
This Delta deal was found by Cheapflights users on 8/23. 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.
Wed 10/76:06 pm -
2 stops25h 41m
Fri 10/166:27 pm -
2 stops19h 39m
Deal found 8/23![Delta logo]()
$686
This Delta deal was found by Cheapflights users on 8/23. 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.
Fri 10/95:10 pm -
2 stops31h 30m
Wed 10/141:18 pm -
2 stops20h 15m
Deal found 8/23![Delta logo]()
$706
This United Airlines deal was found by Cheapflights users on 8/23. 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 10/102:08 pm -
2 stops9h 14m
Mon 10/126:15 am -
2 stops29h 12m
Deal found 8/23![United Airlines logo]()
$723
This United Airlines deal was found by Cheapflights users on 8/23. 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 10/75:54 pm -
2 stops29h 28m
Tue 10/136:15 am -
2 stops29h 12m
Deal found 8/23![United Airlines logo]()
$731
This United Airlines deal was found by Cheapflights users on 8/23. 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 10/135:54 pm -
2 stops21h 47m
Fri 10/166:15 am -
2 stops29h 12m
Deal found 8/23![United Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 8/23. 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 10/102:08 pm -
2 stops9h 14m
Thu 10/152:37 pm -
2 stops29h 11m
Deal found 8/23![United Airlines logo]()
$762
This United Airlines deal was found by Cheapflights users on 8/23. 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 10/75:54 pm -
2 stops29h 28m
Mon 10/126:15 am -
2 stops29h 12m
Deal found 8/23![United Airlines logo]()
$779
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 August 25, 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 August 25, 2026.
This United Airlines deal was found by Cheapflights users on 8/24. 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 1/92:30 pm -
2 stops8h 50m
Tue 1/126:15 am -
2 stops10h 25m
Deal found 8/24![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 8/23. 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.
Fri 10/95:10 pm -
2 stops31h 30m
Tue 10/131:18 pm -
2 stops31h 40m
Deal found 8/23![Delta logo]()
$706
This United Airlines deal was found by Cheapflights users on 8/20. 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 11/410:30 am -
2 stops13h 08m
Sat 11/76:30 am -
2 stops25h 15m
Deal found 8/20![United Airlines logo]()
$595
This United Airlines deal was found by Cheapflights users on 8/23. 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 10/102:08 pm -
2 stops9h 14m
Thu 10/152:37 pm -
2 stops29h 11m
Deal found 8/23![United Airlines logo]()
$762
This United Airlines deal was found by Cheapflights users on 8/24. 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 8/24![United Airlines logo]()
$788
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/82:17 pm -
2 stops8h 55m
Sat 9/126:15 am -
2 stops12h 43m
Deal found 8/23![United Airlines logo]()
$803
Last-minute flights from Harrisburg to Great FallsDiscover last-minute flight deals from Harrisburg to Great Falls. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Harrisburg to Great Falls. Data last updated August 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/20. 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 8/3110:57 am -
2 stops12h 15m
Thu 9/36:15 am -
2 stops12h 43m
Deal found 8/20![United Airlines logo]()
$1,021
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/82:17 pm -
2 stops8h 55m
Sat 9/126:15 am -
2 stops12h 43m
Deal found 8/23![United Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 8/24. 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 8/24![United Airlines logo]()
$788
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/212:17 pm -
2 stops8h 55m
Mon 9/286:15 am -
3 stops13h 35m
Deal found 8/22![United Airlines logo]()
$1,154
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/242:08 pm -
2 stops9h 14m
Sun 9/276:15 am -
2 stops13h 35m
Deal found 8/22![United Airlines logo]()
$1,201
One-way flights from Harrisburg to Great FallsSearch for one-way flight options from Harrisburg to Great Falls. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
Search for one-way flight options from Harrisburg to Great Falls. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/2010:30 am -
2 stops12h 42m
Deal found 8/24![United Airlines logo]()
$543
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 August 25, 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 August 25, 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
Quickest round-trip
HarrisburgGreat Falls
MDT Harrisburg - GTF Great Falls
MDTGTF
Harrisburg
Sat 1/9
2:30 pm-9:20 pm
2 stops8h 50m
Great Falls
Tue 1/12
6:15 am-6:40 pm
2 stops10h 25m
$459
HarrisburgGreat Falls
MDT Harrisburg - GTF Great Falls
MDTGTF
Harrisburg
Wed 11/4
10:30 am-9:38 pm
2 stops13h 08m
Great Falls
Sat 11/7
6:30 am-9:45 am
2 stops25h 15m
$595
HarrisburgGreat Falls
MDT Harrisburg - GTF Great Falls
MDTGTF
Harrisburg
Fri 10/9
5:10 pm-10:40 pm
2 stops31h 30m
Great Falls
Tue 10/13
1:18 pm-10:58 pm
2 stops31h 40m
$706
HarrisburgGreat Falls
MDT Harrisburg - GTF Great Falls
MDTGTF
Harrisburg
Sat 10/10
2:08 pm-9:22 pm
2 stops9h 14m
Great Falls
Thu 10/15
2:37 pm-9:48 pm
2 stops29h 11m
$762
HarrisburgGreat Falls
MDT Harrisburg - GTF Great Falls
MDTGTF
Harrisburg
Thu 9/10
10:30 am-9:12 pm
2 stops12h 42m
Great Falls
Mon 9/14
2:25 pm-11:30 pm
2 stops31h 05m
$788
HarrisburgGreat Falls
MDT Harrisburg - GTF Great Falls
MDTGTF
Harrisburg
Tue 9/8
2:17 pm-9:12 pm
2 stops8h 55m
Great Falls
Sat 9/12
6:15 am-8:58 pm
2 stops12h 43m
$803
Cheapest one-way
Quickest one-way
HarrisburgGreat Falls
MDT Harrisburg - GTF Great Falls
MDTGTF
Harrisburg
Sun 9/20
10:30 am-9:12 pm
2 stops12h 42m
$543
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 August.
| 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
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