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Cheap flights from Ontario to Great Falls from C$ 833

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Great Falls departing on 11/5. 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

Find the cheapest flights from Ontario to Great Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:18 p.m. - 9:18 p.m.
YYZ
-
GTF
7h 00m
1 stop
United Airlines Logo
2:35 p.m. - 10:04 a.m.
GTF
-
YYZ
17h 29m
2 stops
C$ 833United Airlines
Mon, 11 May - Mon, 18 May
United Airlines Logo
7:00 a.m. - 11:23 a.m.
YYZ
-
GTF
6h 23m
1 stop
United Airlines Logo
6:15 a.m. - 3:14 p.m.
GTF
-
YYZ
6h 59m
1 stop
C$ 841United Airlines
Sat, 20 Jun - Wed, 24 Jun
United Airlines Logo
7:00 a.m. - 11:46 a.m.
YYZ
-
GTF
6h 46m
1 stop
United Airlines Logo
6:15 a.m. - 9:32 p.m.
GTF
-
YYZ
13h 17m
1 stop
C$ 854United Airlines
Thu, 9 Jul - Fri, 10 Jul
United Airlines Logo
4:18 p.m. - 9:34 p.m.
YYZ
-
GTF
7h 16m
1 stop
United Airlines Logo
6:15 a.m. - 3:14 p.m.
GTF
-
YYZ
6h 59m
1 stop
C$ 865United Airlines
Thu, 11 Jun - Sun, 14 Jun
Delta Logo
5:45 p.m. - 10:26 p.m.
YYZ
-
GTF
6h 41m
1 stop
Delta Logo
6:19 p.m. - 11:15 a.m.
GTF
-
YYZ
14h 56m
2 stops
C$ 874Delta
Fri, 8 May - Fri, 15 May
United Airlines Logo
7:00 a.m. - 11:23 a.m.
YYZ
-
GTF
6h 23m
1 stop
United Airlines Logo
6:15 a.m. - 5:56 p.m.
GTF
-
YYZ
9h 41m
2 stops
C$ 884United Airlines
Sat, 20 Jun - Wed, 24 Jun
United Airlines Logo
1:00 p.m. - 9:34 p.m.
YYZ
-
GTF
10h 34m
2 stops
United Airlines Logo
6:15 a.m. - 3:14 p.m.
GTF
-
YYZ
6h 59m
1 stop
C$ 885United Airlines
Thu, 11 Jun - Sun, 14 Jun
United Airlines Logo
8:10 a.m. - 9:34 p.m.
YUL
-
GTF
15h 24m
2 stops
United Airlines Logo
6:15 a.m. - 3:28 p.m.
GTF
-
YUL
7h 13m
1 stop
C$ 906United Airlines
Tue, 16 Jun - Mon, 6 Jul
Multiple Airlines Logo
4:55 p.m. - 5:35 p.m.
YYZ
-
GTF
26h 40m
1 stop
Multiple Airlines Logo
11:42 a.m. - 8:09 p.m.
GTF
-
YYZ
30h 27m
1 stop
C$ 909Multiple Airlines
Fri, 8 May - Fri, 15 May
Delta Logo
7:00 a.m. - 10:29 p.m.
YUL
-
GTF
17h 29m
2 stops
Delta Logo
5:30 a.m. - 11:26 p.m.
GTF
-
YUL
15h 56m
2 stops
C$ 939Delta
Thu, 30 Apr - Mon, 4 May

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Alaska Airlines flights from Region of Ontario to Great Falls

Our best Alaska Airlines deals on Region of Ontario to Great Falls flight tickets
Alaska Airlines
28 Apr
YYZ4:55 p.m.Toronto Pearson Intl
26h 40m
1 stop
GTF5:35 p.m.Great Falls
1 May
GTF6:15 p.m.Great Falls
19h 30m
1 stop
YYZ3:45 p.m.Toronto Pearson Intl
C$ 1,326
Alaska Airlines
29 Apr
YYZ4:55 p.m.Toronto Pearson Intl
26h 40m
1 stop
GTF5:35 p.m.Great Falls
1 May
GTF6:15 p.m.Great Falls
19h 30m
1 stop
YYZ3:45 p.m.Toronto Pearson Intl
C$ 1,368
Alaska Airlines
27 Apr
YYZ4:55 p.m.Toronto Pearson Intl
26h 40m
1 stop
GTF5:35 p.m.Great Falls
1 May
GTF6:15 p.m.Great Falls
19h 30m
1 stop
YYZ3:45 p.m.Toronto Pearson Intl
C$ 1,487

Delta flights from Region of Ontario to Great Falls

Our best Delta deals on Region of Ontario to Great Falls flight tickets
Delta
8 May
YYZ5:45 p.m.Toronto Pearson Intl
6h 41m
1 stop
GTF10:26 p.m.Great Falls
15 May
GTF6:19 p.m.Great Falls
14h 56m
2 stops
YYZ11:15 a.m.Toronto Pearson Intl
C$ 874
Delta
30 Apr
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
17h 29m
2 stops
GTF10:29 p.m.Great Falls
4 May
GTF5:30 a.m.Great Falls
15h 56m
2 stops
YUL11:26 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 939
Delta
25 Apr
YYZ7:45 a.m.Toronto Pearson Intl
11h 55m
2 stops
GTF5:40 p.m.Great Falls
2 May
GTF5:30 a.m.Great Falls
15h 40m
2 stops
YYZ11:10 p.m.Toronto Pearson Intl
C$ 1,088

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario 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 15 April 2026.
Use the filters below to find and compare flights from Ontario to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Mon 11/5

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

1 stop7h 00m

Great Falls

Mon 18/5

2:35 p.m.-10:04 a.m.

2 stops17h 29m

C$ 833
Quickest round-trip

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sat 20/6

7:00 a.m.-11:23 a.m.

1 stop6h 23m

Great Falls

Wed 24/6

6:15 a.m.-3:14 p.m.

1 stop6h 59m

C$ 841

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Thu 9/7

7:00 a.m.-11:46 a.m.

1 stop6h 46m

Great Falls

Fri 10/7

6:15 a.m.-9:32 p.m.

1 stop13h 17m

C$ 854

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Thu 11/6

4:18 p.m.-9:34 p.m.

1 stop7h 16m

Great Falls

Sun 14/6

6:15 a.m.-3:14 p.m.

1 stop6h 59m

C$ 865

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Fri 8/5

5:45 p.m.-10:26 p.m.

1 stop6h 41m

Great Falls

Fri 15/5

6:19 p.m.-11:15 a.m.

2 stops14h 56m

C$ 874

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sat 20/6

7:00 a.m.-11:23 a.m.

1 stop6h 23m

Great Falls

Wed 24/6

6:15 a.m.-5:56 p.m.

2 stops9h 41m

C$ 884

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Thu 11/6

1:00 p.m.-9:34 p.m.

2 stops10h 34m

Great Falls

Sun 14/6

6:15 a.m.-3:14 p.m.

1 stop6h 59m

C$ 885

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Tue 16/6

8:10 a.m.-9:34 p.m.

2 stops15h 24m

Great Falls

Mon 6/7

6:15 a.m.-3:28 p.m.

1 stop7h 13m

C$ 906

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Fri 8/5

4:55 p.m.-5:35 p.m.

1 stop26h 40m

Great Falls

Fri 15/5

11:42 a.m.-8:09 p.m.

1 stop30h 27m

C$ 909

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

7:00 a.m.-10:29 p.m.

2 stops17h 29m

Great Falls

Mon 4/5

5:30 a.m.-11:26 p.m.

2 stops15h 56m

C$ 939

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Region of Ontario to Great Falls flight deals and tips

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

Fastest flight time

6h 23m

Direct flights

None
The fastest flight from Region of Ontario to Great Falls takes 6h 23m
There are no direct flights from Region of Ontario to Great Falls. There are no popular flight routes from Region of Ontario to Great Falls.
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Frequently asked questions about flying from Ontario to Great Falls

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

    Prices for flights from Ontario to Great Falls Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Great Falls Airport.

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

    The necessary travel and health documents for your Great Falls Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Ontario to Great Falls

  • How do I get Price Alerts for flights from Region of Ontario to Great Falls?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Region of Ontario from Great Falls. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Region of Ontario to Great Falls with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Travelling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
Shelby

Why use momondo?

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

Finding the right flight to Great Falls from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Great Falls quick and easy, saving you time and money.

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

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

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

momondo provides multiple filters to help you find the best flight to Great Falls from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Great Falls from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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