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Cheap flights from Toronto to Great Falls from C$ 938

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Toronto to Great Falls departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Toronto to Great Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:45 a.m. - 9:20 p.m.YYZ  Toronto Pearson Intl-GTF Great Falls
12h 35m2 stops Newark Denver Intl
United Airlines Logo
6:15 a.m. - 3:12 p.m.GTF  Great Falls-YYZ Toronto Pearson Intl
6h 57m1 stop Denver Intl
C$ 938United Airlines
Sat, 9 Jan - Sun, 10 Jan
United Airlines Logo
7:00 a.m. - 9:20 p.m.YYZ  Toronto Pearson Intl-GTF Great Falls
16h 20m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
6:15 a.m. - 9:29 p.m.GTF  Great Falls-YYZ Toronto Pearson Intl
13h 14m2 stops Denver Intl Newark
C$ 941United Airlines
Sat, 9 Jan - Sun, 10 Jan
United Airlines Logo
10:45 a.m. - 9:20 p.m.YYZ  Toronto Pearson Intl-GTF Great Falls
12h 35m2 stops Newark Denver Intl
United Airlines Logo
6:15 a.m. - 3:12 p.m.GTF  Great Falls-YYZ Toronto Pearson Intl
6h 57m1 stop Denver Intl
C$ 942United Airlines
Sat, 9 Jan - Sun, 10 Jan
Multiple Airlines Logo
4:18 p.m. - 9:12 p.m.YYZ  Toronto Pearson Intl-GTF Great Falls
6h 54m1 stop Denver Intl
Multiple Airlines Logo
6:15 a.m. - 11:16 p.m.GTF  Great Falls-YYZ Toronto Pearson Intl
15h 01m1 stop Denver Intl
C$ 1,137Multiple Airlines
Thu, 17 Sep - Mon, 21 Sep

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United Airlines flights from Toronto to Great Falls

Our best United Airlines deals on Toronto to Great Falls flight tickets
United Airlines
9 Jan
YYZ6:10 a.m.Toronto Pearson Intl
17h 10m
2 stops
GTF9:20 p.m.Great Falls
10 Jan
GTF6:15 a.m.Great Falls
13h 14m
2 stops
YYZ9:29 p.m.Toronto Pearson Intl
C$ 938
United Airlines
9 Jan
YYZ7:00 a.m.Toronto Pearson Intl
16h 20m
2 stops
GTF9:20 p.m.Great Falls
10 Jan
GTF6:15 a.m.Great Falls
13h 14m
2 stops
YYZ9:29 p.m.Toronto Pearson Intl
C$ 941
United Airlines
9 Jan
YYZ7:00 a.m.Toronto Pearson Intl
16h 20m
2 stops
GTF9:20 p.m.Great Falls
10 Jan
GTF6:15 a.m.Great Falls
13h 14m
2 stops
YYZ9:29 p.m.Toronto Pearson Intl
C$ 942

momondo Fare Finder

 
Customize your flight search to find flights from Toronto 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, momondo users made 96,600 searches. Data last updated 17 August 2026.
Use the filters below to find and compare flights from Toronto to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

TorontoGreat Falls

YYZ Toronto Pearson Intl - GTF Great Falls

YYZGTF

Toronto Pearson Intl

Sat 9/1

10:45 a.m.-9:20 p.m.

2 stops12h 35m

Great Falls

Sun 10/1

6:15 a.m.-3:12 p.m.

1 stop6h 57m

C$ 938

TorontoGreat Falls

YYZ Toronto Pearson Intl - GTF Great Falls

YYZGTF

Toronto Pearson Intl

Sat 9/1

7:00 a.m.-9:20 p.m.

2 stops16h 20m

Great Falls

Sun 10/1

6:15 a.m.-9:29 p.m.

2 stops13h 14m

C$ 941

TorontoGreat Falls

YYZ Toronto Pearson Intl - GTF Great Falls

YYZGTF

Toronto Pearson Intl

Sat 9/1

10:45 a.m.-9:20 p.m.

2 stops12h 35m

Great Falls

Sun 10/1

6:15 a.m.-3:12 p.m.

1 stop6h 57m

C$ 942

TorontoGreat Falls

YYZ Toronto Pearson Intl - GTF Great Falls

YYZGTF

Toronto Pearson Intl

Thu 17/9

4:18 p.m.-9:12 p.m.

1 stop6h 54m

Great Falls

Mon 21/9

6:15 a.m.-11:16 p.m.

1 stop15h 01m

C$ 1,137

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Toronto to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Toronto to Great Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Toronto to Great Falls (YTO to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Toronto to Great Falls

Best price found

C$ 938

Fastest flight time

12h 12m

Direct flights

None
The best flight deal from Toronto to Great Falls found on momondo in the last 72 hours is C$ 938
The fastest flight from Toronto to Great Falls takes 12h 12m
There are no direct flights from Toronto to Great Falls. There are no popular flight routes from Toronto to Great Falls.
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Frequently asked questions about flying from Toronto to Great Falls

  • How far is Toronto to Great Falls by plane?

    Toronto and Great Falls are 2500.9 km apart from one another. Typically, this will take 12h 12m by plane in normal conditions.

  • When did momondo last update prices for flights from Toronto to Great Falls Airport?

    Prices for flights from Toronto to Great Falls Airport refresh daily.

  • How old do you have to be to fly from Toronto to Great Falls Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Toronto to Great Falls Airport.

  • What documentation or ID do you need to fly to Great Falls Airport?

    The travel and health documents required for your trip to Great Falls Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Great Falls Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Toronto to Great Falls

  • How do I get Price Alerts for flights from Toronto to Great Falls?

    Confirm your travel details to search for the latest offers for flights from Toronto to Great Falls. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Toronto to Great Falls with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Toronto to Great Falls?

It is quick and easy to find Toronto to Great Falls flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Great Falls that suits you.

Can I find flights from Toronto to Great Falls with flexible booking policies on momondo?

momondo does allow users to show only those flights to Great Falls from Toronto which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Toronto to Great Falls?

Once you have performed a search for Toronto to Great Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Toronto to Great Falls right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Toronto to Great Falls now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Great Falls and let you know when they change.

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