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Cheap flights from Ontario to Great Falls from C$ 490

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Great Falls departing on 11/7. 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

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Find the cheapest flights from Ontario to Great Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 a.m. - 5:43 p.m.
YUL
-
GTF
13h 43m
2 stops
Delta Logo
6:20 p.m. - 3:59 p.m.
GTF
-
YUL
19h 39m
2 stops
C$ 851Delta
Wed, 28 Oct - Fri, 30 Oct
Delta Logo
7:00 a.m. - 5:43 p.m.
YUL
-
GTF
12h 43m
2 stops
Delta Logo
1:10 p.m. - 3:59 p.m.
GTF
-
YUL
24h 49m
2 stops
C$ 855Delta
Wed, 28 Oct - Fri, 30 Oct
Delta Logo
6:00 a.m. - 12:35 p.m.
YYZ
-
GTF
8h 35m
2 stops
Delta Logo
6:21 p.m. - 10:23 a.m.
GTF
-
YYZ
14h 02m
2 stops
C$ 896Delta
Tue, 29 Sep - Sat, 3 Oct
United Airlines Logo
4:18 p.m. - 9:21 p.m.
YYZ
-
GTF
7h 03m
1 stop
United Airlines Logo
6:15 a.m. - 3:14 p.m.
GTF
-
YYZ
6h 59m
1 stop
C$ 898United Airlines
Tue, 29 Sep - Sat, 3 Oct
United Airlines Logo
4:18 p.m. - 9:12 p.m.
YYZ
-
GTF
6h 54m
1 stop
United Airlines Logo
6:15 a.m. - 3:16 p.m.
GTF
-
YYZ
7h 01m
1 stop
C$ 910United Airlines
Sun, 16 Aug - Sun, 23 Aug
United Airlines Logo
4:18 p.m. - 9:12 p.m.
YYZ
-
GTF
6h 54m
1 stop
United Airlines Logo
6:15 a.m. - 3:16 p.m.
GTF
-
YYZ
7h 01m
1 stop
C$ 912United Airlines
Sun, 16 Aug - Sun, 23 Aug
United Airlines Logo
4:18 p.m. - 9:12 p.m.
YYZ
-
GTF
6h 54m
1 stop
United Airlines Logo
2:25 p.m. - 9:54 a.m.
GTF
-
YYZ
17h 29m
2 stops
C$ 924United Airlines
Sun, 16 Aug - Sun, 23 Aug
United Airlines Logo
4:18 p.m. - 9:12 p.m.
YYZ
-
GTF
6h 54m
1 stop
United Airlines Logo
2:25 p.m. - 9:54 a.m.
GTF
-
YYZ
17h 29m
2 stops
C$ 925United Airlines
Sun, 16 Aug - Sun, 23 Aug
United Airlines Logo
8:15 a.m. - 9:12 p.m.
YUL
-
GTF
14h 57m
1 stop
United Airlines Logo
6:15 a.m. - 3:28 p.m.
GTF
-
YUL
7h 13m
1 stop
C$ 1,001United Airlines
Sun, 16 Aug - Sun, 23 Aug
United Airlines Logo
8:15 a.m. - 9:12 p.m.
YUL
-
GTF
14h 57m
1 stop
United Airlines Logo
6:15 a.m. - 3:28 p.m.
GTF
-
YUL
7h 13m
1 stop
C$ 1,003United Airlines
Sun, 16 Aug - Sun, 23 Aug

United Airlines flights from Region of Ontario to Great Falls

Our best United Airlines deals on Region of Ontario to Great Falls flight tickets
United Airlines
16 Aug
YYZ4:18 p.m.Toronto Pearson Intl
6h 54m
1 stop
GTF9:12 p.m.Great Falls
23 Aug
GTF6:15 a.m.Great Falls
7h 01m
1 stop
YYZ3:16 p.m.Toronto Pearson Intl
C$ 910
United Airlines
16 Aug
YYZ4:18 p.m.Toronto Pearson Intl
6h 54m
1 stop
GTF9:12 p.m.Great Falls
23 Aug
GTF6:15 a.m.Great Falls
7h 01m
1 stop
YYZ3:16 p.m.Toronto Pearson Intl
C$ 912
United Airlines
16 Aug
YYZ4:18 p.m.Toronto Pearson Intl
6h 54m
1 stop
GTF9:12 p.m.Great Falls
23 Aug
GTF2:25 p.m.Great Falls
17h 29m
2 stops
YYZ9:54 a.m.Toronto Pearson Intl
C$ 924

Delta flights from Region of Ontario to Great Falls

Our best Delta deals on Region of Ontario to Great Falls flight tickets
Delta
28 Oct
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
13h 43m
2 stops
GTF5:43 p.m.Great Falls
30 Oct
GTF6:20 p.m.Great Falls
19h 39m
2 stops
YUL3:59 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 851
Delta
28 Oct
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
12h 43m
2 stops
GTF5:43 p.m.Great Falls
30 Oct
GTF1:10 p.m.Great Falls
24h 49m
2 stops
YUL3:59 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 855
Delta
29 Sep
YYZ6:00 a.m.Toronto Pearson Intl
8h 35m
2 stops
GTF12:35 p.m.Great Falls
3 Oct
GTF6:21 p.m.Great Falls
14h 02m
2 stops
YYZ10:23 a.m.Toronto Pearson Intl
C$ 896

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 31 May 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

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 28/10

6:00 a.m.-5:43 p.m.

2 stops13h 43m

Great Falls

Fri 30/10

6:20 p.m.-3:59 p.m.

2 stops19h 39m

C$ 851

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 28/10

7:00 a.m.-5:43 p.m.

2 stops12h 43m

Great Falls

Fri 30/10

1:10 p.m.-3:59 p.m.

2 stops24h 49m

C$ 855

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Tue 29/9

6:00 a.m.-12:35 p.m.

2 stops8h 35m

Great Falls

Sat 3/10

6:21 p.m.-10:23 a.m.

2 stops14h 02m

C$ 896

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Tue 29/9

4:18 p.m.-9:21 p.m.

1 stop7h 03m

Great Falls

Sat 3/10

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

1 stop6h 59m

C$ 898
Quickest round-trip

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sun 16/8

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

1 stop6h 54m

Great Falls

Sun 23/8

6:15 a.m.-3:16 p.m.

1 stop7h 01m

C$ 910

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sun 16/8

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

1 stop6h 54m

Great Falls

Sun 23/8

6:15 a.m.-3:16 p.m.

1 stop7h 01m

C$ 912

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sun 16/8

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

1 stop6h 54m

Great Falls

Sun 23/8

2:25 p.m.-9:54 a.m.

2 stops17h 29m

C$ 924

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sun 16/8

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

1 stop6h 54m

Great Falls

Sun 23/8

2:25 p.m.-9:54 a.m.

2 stops17h 29m

C$ 925

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Sun 16/8

8:15 a.m.-9:12 p.m.

1 stop14h 57m

Great Falls

Sun 23/8

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

1 stop7h 13m

C$ 1,001

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Sun 16/8

8:15 a.m.-9:12 p.m.

1 stop14h 57m

Great Falls

Sun 23/8

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

1 stop7h 13m

C$ 1,003

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Great Falls from

How to get the cheapest flight ticket from Region of Ontario to Great Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Region of Ontario to Great Falls flights?

You could potentially save up to 16% on your flight if you consider stops on a Region of Ontario to Great Falls flight.

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 54m

Direct flights

None
The fastest flight from Region of Ontario to Great Falls takes 6h 54m
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.

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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