The cheapest times to fly from MDT to GTF are
- January 1st to March 4th
- July 30th to November 18th (except the week of October 8th)
- December 3rd to March 4th (except the weeks of December 17th and December 24th)
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from MDT to GTF is late January and early February. Prices can be as high as $1077 for Sunday flights during mid May, or as low as $386 for Tuesday flights around late January and early February.
When to Fly to Great Falls
Flying from Harrisburg, PA (MDT) to Great Falls, MT (GTF) will usually cost between $477 to $971 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January and early February with an average ticket price of $509. Due to high demand the most expensive time to fly is mid May, with an average price of $880. Planning your trip to low-cost times can easily save you $370 on economy flights and even more on first-class flights. Generally, any price below $716 can be considered a good price for a round-trip MDT to GTF flight.
See below for a graph of average weekly prices for the MDT to GTF route. All prices are for round-trip tickets in USD.
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Compared to other flights, the MDT to GTF flight is cheaper than the average and costs less than the average flight leaving from Harrisburg. The average price per mile (for a direct flight) is $0.25, which is below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly to Great Falls, and Mondays are the most expensive days to return to Harrisburg. Selecting flights on the least expensive days could save you up to $226 (26%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $583. Return trip prices are from the GTF to MDT flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
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Return Trip Prices by Day
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Nonstop Flights and Layovers
Travelers looking to fly from MDT to GTF can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 11 minutes may not be realistic.
Alternative Nearby Airports
Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from MDT to GTF while comparing.
- 118 miles (190 km) away from GTF
- Usually 33.19% less expensive than GTF
- 1-layover flights available
- 134 miles (216 km) away from GTF
- Usually 17.40% less expensive than GTF
- 1-layover flights available
Flight Hacking MDT to GTF
Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from MDT to GTF — but Champion Traveler does!
- Price for both tickets: $556
- Average savings: $160 (22.36%)
- Price for both tickets: $668
- Average savings: $48 (6.64%)
- Price for both tickets: $683
- Average savings: $33 (4.58%)
Flight Questions Answered
Still have questions about flying from MDT to GTF? We’ve got answers.
Which airlines fly this route?
You can find 4 major airlines flying this route most often: Alaska, American, Delta, United, and potentially more during busy seasons.
How far away is it from Great Falls International Airport to Harrisburg International Airport?
The distance between the two airports is roughly 1780 miles or 2865 kilometers.
How long does it take to fly from MDT to GTF?
The real-world flight time for a nonstop MDT to GTF flight is about 4 hour 11 minutes.
How many flights go between Harrisburg, PA and Great Falls, MT?
It depends on the day of the week and the date, but a typical day might have around 29 available flights from MDT to GTF.
Airport Location Info
Departing Airport
Origination code | MDT |
Origination airport name | Harrisburg International Airport |
City | Harrisburg, PA |
Country | the United States |
Latitude | 40.2 |
Longitude | -76.8 |
Return Airport
Destination code | GTF |
Destination airport name | Great Falls International Airport |
City | Great Falls, MT |
Country | the United States |
Latitude | 47.5 |
Longitude | -111.4 |
Other Resources
Flights to GTF
Flights from GTF
Popular Flights
Flights to MDT
Flights from MDT
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.