$355 Cheap Flights from Toronto (YYZ) to Great Falls (GTF)

View $355 flight on Wed, May 13, 2026Opens in a new window

Popular airlines from Toronto Pearson Intl. Airport (YYZ) to Great Falls, MT (GTF-Great Falls Intl.)

Cheap Flights from Toronto to Great Falls (YYZ-GTF)

Prices were available within the past 7 days and start at $355 for one-way flights and $676 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, May 13 - Fri, May 22
YYZ
Toronto
GTF
Great Falls
$676 Roundtrip, found 3 days ago
$676
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, May 13 from Toronto to Great Falls, returning Fri, May 22, priced at $676 found 3 days ago
Delta
Wed, May 13 - Fri, May 22
YYZ
Toronto
GTF
Great Falls
$704 Roundtrip, found 3 days ago
$704
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, May 13 from Toronto to Great Falls, returning Fri, May 22, priced at $704 found 3 days ago
Delta
Wed, May 13 - Fri, May 22
YYZ
Toronto
GTF
Great Falls
$732 Roundtrip, found 3 days ago
$732
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, May 13 from Toronto to Great Falls, returning Fri, May 22, priced at $732 found 3 days ago
Delta
Wed, May 13 - Fri, May 22
YYZ
Toronto
GTF
Great Falls
$757 Roundtrip, found 3 days ago
$757
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, May 13 from Toronto to Great Falls, returning Fri, May 22, priced at $757 found 3 days ago
Delta
Wed, May 13 - Fri, May 22
YYZ
Toronto
GTF
Great Falls
$785 Roundtrip, found 3 days ago
$785
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, May 13 from Toronto to Great Falls, returning Fri, May 22, priced at $785 found 3 days ago
Delta
Wed, May 13 - Fri, May 22
YYZ
Toronto
GTF
Great Falls
$813 Roundtrip, found 3 days ago
$813
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, May 13 from Toronto to Great Falls, returning Fri, May 22, priced at $813 found 3 days ago
WestJet
Wed, May 13 - Fri, May 22
YYZ
Toronto
GTF
Great Falls
$843 Roundtrip, found 3 days ago
$843
Roundtrip
found 3 days ago
Select WestJet flight, departing Wed, May 13 from Toronto to Great Falls, returning Fri, May 22, priced at $843 found 3 days ago
Air Canada
Wed, May 13 - Fri, May 22
YYZ
Toronto
GTF
Great Falls
$902 Roundtrip, found 3 days ago
$902
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, May 13 from Toronto to Great Falls, returning Fri, May 22, priced at $902 found 3 days ago
Alaska Airlines
Wed, May 13 - Fri, May 22
YYZ
Toronto
GTF
Great Falls
$938 Roundtrip, found 3 days ago
$938
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, May 13 from Toronto to Great Falls, returning Fri, May 22, priced at $938 found 3 days ago
United
Wed, May 13 - Fri, May 22
YYZ
Toronto
GTF
Great Falls
$943 Roundtrip, found 3 days ago
$943
Roundtrip
found 3 days ago
Select United flight, departing Wed, May 13 from Toronto to Great Falls, returning Fri, May 22, priced at $943 found 3 days ago
Flights from Toronto (YYZ) to Great Falls (GTF)
Origin airport
Pearson Intl.
Destination airport
Great Falls Intl.
Roundtrip price
$675
Distance
1546 mi

Toronto to Great Falls Flights

The cheapest times to fly from Toronto to Great Falls

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Toronto to Great Falls are during the month of May. You can find some of the cheapest flights from Toronto to Great Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Toronto to Great Falls

Sunday is one of the best days to book for cheap flights from Toronto to Great Falls: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Toronto to Great Falls

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Toronto to Great Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $355 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Toronto to Great Falls flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Toronto to Great Falls airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Pearson Intl. Airport (YYZ) to Great Falls Intl. Airport (GTF) cost?
Grab a cheap one-way flight from $355 or cheap return flight from $676 from Pearson Intl. Airport (YYZ) to Great Falls Intl. Airport (GTF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Pearson Intl. Airport (YYZ) to Great Falls Intl. Airport (GTF)?
The cheapest month to fly from YYZ to GTF is May, when demand is low. Off-peak season is typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Pearson Intl. Airport (YYZ) to Great Falls Intl. Airport (GTF)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest YYZ to GTF flight.
How many flights per day from Pearson Intl. Airport (YYZ) to Great Falls Intl. Airport (GTF)?
You'll need to catch a flight with a layover if you're traveling from Pearson Intl. Airport (YYZ) to Great Falls Intl. Airport (GTF). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from YYZ to GTF?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Pearson Intl. Airport (YYZ) to Great Falls Intl. Airport (GTF)?
To touch down at Great Falls Intl. Airport (GTF) without delays, book a flight that leaves Pearson Intl. Airport (YYZ) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Pearson Intl. Airport (YYZ) to Great Falls Intl. Airport (GTF) last-minute?
Last-minute bookings from YYZ to GTF are typically more expensive. To secure the cheapest rates, start searching for flights early. That being said, if you're flexible with your travel plans, you may find a cheap fare right before you leave.
Is it cheaper to book a YYZ to GTF flight and hotel package?
Compared with arranging hotels and flights separately, booking a YYZ to GTF flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place will take the hassle out of travel planning. Simply secure your flights and select from our extensive range of hotels, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Pearson Intl. Airport (YYZ) to Great Falls Intl. Airport (GTF)?
Typically, it's possible to cancel or reschedule your YYZ to GTF flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.