Which airports can I use when flying from Harrisburg to Great Falls?

Flights from Harrisburg to Great Falls usually depart from Harrisburg (MDT) and arrive at Great Falls (GTF).

What cabin classes can I book on flights from Harrisburg to Great Falls?

Only Economy Class is available on flights from Harrisburg to Great Falls.

Can I save money by using flexible dates for flights from Harrisburg to Great Falls?

Yes. Being flexible with your travel dates can save you up to 22% on the Harrisburg to Great Falls route. Thursday is the cheapest departure day at $604 round-trip on average, while Monday is the most expensive at $774, a difference of $170. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Do I need a passport to fly from Harrisburg to Great Falls?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from Harrisburg to Great Falls changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $595 to $1,332. That means the highest observed fare was about 2x higher than the lowest one.

What is the time difference between Harrisburg and Great Falls?

Great Falls is 2 hours behind Harrisburg (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Great Falls Airport (GTF)?

Great Falls Airport (GTF) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include: · Avis · Budget · Alamo · Hertz · Enterprise Rent-A-Car

How much should I expect to pay for a Harrisburg to Great Falls flight?

Round-trip flights from Harrisburg to Great Falls range from $452 to $774, with an average of $604 over the past 12 months. Anything below $452 counts as a good deal.

$595 CHEAP FLIGHTS from Harrisburg to Great Falls (MDT - GTF)

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Cheapest round-trip

$595

Typical prices: $452-$774

United Airlines

Sun 11/4Wed 11/7

MDT - GTF • 2 stops

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Flight Deals

Cheap Flights from Harrisburg to Great Falls (MDT-GTF)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Harrisburg to Great Falls

Wed, Nov 4 - Sat, Nov 7

2:12 pm - 9:38 pmMDT Harrisburg-GTF Great Falls

9h 26m2 stops Chicago O'Hare Intl Denver Intl

6:30 am - 9:45 amGTF Great Falls-MDT Harrisburg

25h 15m2 stops Denver Intl Washington, D.C. Dulles Intl

$595United Airlines

Sat, Oct 17 - Tue, Oct 20

2:08 pm - 9:22 pmMDT Harrisburg-GTF Great Falls

9h 14m2 stops Chicago O'Hare Intl Denver Intl

6:15 am - 9:48 pmGTF Great Falls-MDT Harrisburg

13h 33m2 stops Denver Intl Chicago O'Hare Intl

$618United Airlines

Wed, Nov 4 - Sat, Nov 7

2:12 pm - 9:38 pmMDT Harrisburg-GTF Great Falls

9h 26m2 stops Chicago O'Hare Intl Denver Intl

2:45 pm - 1:24 pmGTF Great Falls-MDT Harrisburg

20h 39m3 stops Denver Intl Memphis Chicago O'Hare Intl

$623United Airlines

Wed, Dec 30 - Wed, Jan 6

2:59 pm - 9:41 pmMDT Harrisburg-GTF Great Falls

32h 42m2 stops Washington, D.C. Dulles Intl Denver Intl

6:15 am - 6:40 pmGTF Great Falls-MDT Harrisburg

10h 25m2 stops Denver Intl Chicago O'Hare Intl

$674United Airlines

Fri, Oct 16 - Tue, Oct 20

5:54 pm - 9:22 pmMDT Harrisburg-GTF Great Falls

29h 28m2 stops Chicago O'Hare Intl Denver Intl

6:15 am - 9:48 pmGTF Great Falls-MDT Harrisburg

13h 33m2 stops Denver Intl Chicago O'Hare Intl

$687United Airlines

Sat, Oct 17 - Wed, Oct 21

2:08 pm - 9:22 pmMDT Harrisburg-GTF Great Falls

9h 14m2 stops Chicago O'Hare Intl Denver Intl

2:37 pm - 9:51 amGTF Great Falls-MDT Harrisburg

17h 14m2 stops Denver Intl Chicago O'Hare Intl

$688United Airlines

Fri, Oct 16 - Tue, Oct 20

5:54 pm - 1:41 pmMDT Harrisburg-GTF Great Falls

21h 47m3 stops Chicago O'Hare Intl Louisville Intl Denver Intl

6:15 am - 9:48 pmGTF Great Falls-MDT Harrisburg

13h 33m2 stops Denver Intl Chicago O'Hare Intl

$702United Airlines

Thu, Oct 15 - Tue, Oct 20

2:08 pm - 9:22 pmMDT Harrisburg-GTF Great Falls

9h 14m2 stops Chicago O'Hare Intl Denver Intl

6:15 am - 9:48 pmGTF Great Falls-MDT Harrisburg

13h 33m2 stops Denver Intl Chicago O'Hare Intl

$721United Airlines

Thu, Oct 15 - Tue, Oct 20

2:08 pm - 1:41 pmMDT Harrisburg-GTF Great Falls

25h 33m3 stops Chicago O'Hare Intl Louisville Intl Denver Intl

6:15 am - 9:48 pmGTF Great Falls-MDT Harrisburg

13h 33m2 stops Denver Intl Chicago O'Hare Intl

$737United Airlines

Thu, Sep 10 - Mon, Sep 14

10:30 am - 9:12 pmMDT Harrisburg-GTF Great Falls

12h 42m2 stops Washington, D.C. Dulles Intl Denver Intl

2:25 pm - 9:01 pmGTF Great Falls-MDT Harrisburg

28h 36m2 stops Denver Intl Chicago O'Hare Intl

$758United Airlines

Booking Insights

Price, demand and travel trends for Harrisburg to Great Falls flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Harrisburg to Great Falls with more confidence.

What is the cheapest airline to fly from Harrisburg to Great Falls?

United Airlines ($595) offered the cheapest round-trip ticket from Harrisburg to Great Falls in the last 5 days.

Find deals

Cheapest flight	$595

Flight from Harrisburg to Great Falls

When to book flights from Harrisburg to Great Falls

Are your dates flexible? Find out the best times to travel from Harrisburg to Great Falls based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Harrisburg to Great Falls?
Flights from Harrisburg to Great Falls usually depart from Harrisburg (MDT) and arrive at Great Falls (GTF).
What cabin classes can I book on flights from Harrisburg to Great Falls?
Only Economy Class is available on flights from Harrisburg to Great Falls.
Can I save money by using flexible dates for flights from Harrisburg to Great Falls?
Yes. Being flexible with your travel dates can save you up to 22% on the Harrisburg to Great Falls route. Thursday is the cheapest departure day at $604 round-trip on average, while Monday is the most expensive at $774, a difference of $170. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
Do I need a passport to fly from Harrisburg to Great Falls?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from Harrisburg to Great Falls changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $595 to $1,332. That means the highest observed fare was about 2x higher than the lowest one.
What is the time difference between Harrisburg and Great Falls?
Great Falls is 2 hours behind Harrisburg (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Great Falls Airport (GTF)?
Great Falls Airport (GTF) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
· Avis
· Budget
· Alamo
· Hertz
· Enterprise Rent-A-Car
How much should I expect to pay for a Harrisburg to Great Falls flight?
Round-trip flights from Harrisburg to Great Falls range from $452 to $774, with an average of $604 over the past 12 months. Anything below $452 counts as a good deal.

If your dates can be flexible, aim for a Thursday departure instead of Monday. On this route, Thursday flights average $604 - about $170 less than Monday (22% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Great Falls Airport.
- Crystal Inn Hotel & Suites - Great Falls
- Comfort Inn & Suites Market - Airport
- Hampton Inn Great Falls

Everything you need to know for your flight from Harrisburg to Great Falls

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Harrisburg (MDT)

Great Falls (GTF)

MDT - GTF

$595 Find Cheap Flights from Harrisburg to Great Falls - Compare and Save

Everything you should know

Cheap Flights from Harrisburg to Great Falls (MDT-GTF)

Recent round-trip flight deals from Harrisburg to Great Falls

Recent one-way flight deals from Harrisburg to Great Falls

Price, demand and travel trends for Harrisburg to Great Falls flights

What is the cheapest airline to fly from Harrisburg to Great Falls?

Key details for Harrisburg to Great Falls flights

Cheapest flight

When to book flights from Harrisburg to Great Falls

Your Harrisburg to Great Falls flight questions, answered

Your guide to booking Harrisburg to Great Falls flights

Everything you need to know for your flight from Harrisburg to Great Falls

Information on your arrival and departure airports

Cabin class types available on flights from Harrisburg to Great Falls

Complete your trip to Great Falls with a hotel stay or car rental

Find direct flights to and from Harrisburg and Great Falls

Flights to other popular destinations

Flights from domestic origins to Great Falls

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