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

Prices for flights from Ontario to Great Falls Airport are refreshed on a daily basis.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to Great Falls Airport.

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

The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$367 Cheap Flights from Ontario to Great Falls in 2026

Find the cheapest flights from Ontario to Great Falls

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 10:53 pm

YUL

GTF

17h 53m

2 stops

5:30 am - 11:37 pm

GTF

YUL

16h 07m

2 stops

$519Delta

Wed, Nov 11 - Sun, Nov 15

7:00 am - 10:53 pm

YUL

GTF

17h 53m

2 stops

5:30 am - 11:51 pm

GTF

YUL

16h 21m

2 stops

$563Delta

Wed, Nov 11 - Sun, Nov 15

7:00 am - 10:53 pm

YUL

GTF

17h 53m

2 stops

5:30 am - 11:51 pm

GTF

YUL

16h 21m

2 stops

$578Delta

Wed, Nov 11 - Sun, Nov 15

4:55 pm - 5:17 pm

YYZ

GTF

26h 22m

1 stop

4:57 pm - 3:35 pm

GTF

YYZ

20h 38m

1 stop

$659Alaska Airlines

Sat, Oct 31 - Tue, Nov 3

8:35 am - 9:47 pm

YYZ

GTF

15h 12m

2 stops

2:39 pm - 9:47 am

GTF

YYZ

17h 08m

2 stops

$663United Airlines

Sat, Oct 31 - Tue, Nov 3

4:55 pm - 5:17 pm

YYZ

GTF

26h 22m

1 stop

4:57 pm - 3:35 pm

GTF

YYZ

20h 38m

1 stop

$666Alaska Airlines

Sat, Oct 31 - Tue, Nov 3

9:15 am - 9:22 pm

YUL

GTF

14h 07m

2 stops

2:37 pm - 10:40 am

GTF

YUL

18h 03m

2 stops

$667United Airlines

Thu, Oct 8 - Sat, Oct 17

6:30 am - 5:42 pm

YYZ

GTF

13h 12m

2 stops

5:40 am - 5:20 pm

GTF

YYZ

9h 40m

2 stops

$667Delta

Sat, Oct 31 - Tue, Nov 3

8:35 am - 9:47 pm

YYZ

GTF

15h 12m

2 stops

2:39 pm - 9:47 am

GTF

YYZ

17h 08m

2 stops

$671United Airlines

Sat, Oct 31 - Tue, Nov 3

10:53 am - 9:47 pm

YYZ

GTF

12h 54m

2 stops

6:30 am - 3:02 pm

GTF

YYZ

6h 32m

1 stop

$674United Airlines

Sat, Oct 31 - Tue, Nov 3

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Oct 31

YYZ4:55 pmToronto Pearson Intl

26h 22m

1 stop

GTF5:17 pmGreat Falls

Nov 3

GTF4:57 pmGreat Falls

20h 38m

1 stop

YYZ3:35 pmToronto Pearson Intl

$659

Alaska Airlines

Oct 31

YYZ4:55 pmToronto Pearson Intl

26h 22m

1 stop

GTF5:17 pmGreat Falls

Nov 3

GTF4:57 pmGreat Falls

20h 38m

1 stop

YYZ3:35 pmToronto Pearson Intl

$666

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

Oct 31

YYZ8:35 amToronto Pearson Intl

15h 12m

2 stops

GTF9:47 pmGreat Falls

Nov 3

GTF2:39 pmGreat Falls

17h 08m

2 stops

YYZ9:47 amToronto Pearson Intl

$663

United Airlines

Oct 8

YUL9:15 amMontreal Pierre Elliott Trudeau Intl

14h 07m

2 stops

GTF9:22 pmGreat Falls

Oct 17

GTF2:37 pmGreat Falls

18h 03m

2 stops

YUL10:40 amMontreal Pierre Elliott Trudeau Intl

$667

United Airlines

Oct 31

YYZ8:35 amToronto Pearson Intl

15h 12m

2 stops

GTF9:47 pmGreat Falls

Nov 3

GTF2:39 pmGreat Falls

17h 08m

2 stops

YYZ9:47 amToronto Pearson Intl

$671

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

7:00 am-10:53 pm

2 stops17h 53m

Great Falls

Sun 11/15

5:30 am-11:37 pm

2 stops16h 07m

$519

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

7:00 am-10:53 pm

2 stops17h 53m

Great Falls

Sun 11/15

5:30 am-11:51 pm

2 stops16h 21m

$563

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

7:00 am-10:53 pm

2 stops17h 53m

Great Falls

Sun 11/15

5:30 am-11:51 pm

2 stops16h 21m

$578

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sat 10/31

4:55 pm-5:17 pm

1 stop26h 22m

Great Falls

Tue 11/3

4:57 pm-3:35 pm

1 stop20h 38m

$659

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sat 10/31

8:35 am-9:47 pm

2 stops15h 12m

Great Falls

Tue 11/3

2:39 pm-9:47 am

2 stops17h 08m

$663

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sat 10/31

4:55 pm-5:17 pm

1 stop26h 22m

Great Falls

Tue 11/3

4:57 pm-3:35 pm

1 stop20h 38m

$666

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 10/8

9:15 am-9:22 pm

2 stops14h 07m

Great Falls

Sat 10/17

2:37 pm-10:40 am

2 stops18h 03m

$667

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sat 10/31

6:30 am-5:42 pm

2 stops13h 12m

Great Falls

Tue 11/3

5:40 am-5:20 pm

2 stops9h 40m

$667

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sat 10/31

8:35 am-9:47 pm

2 stops15h 12m

Great Falls

Tue 11/3

2:39 pm-9:47 am

2 stops17h 08m

$671

Quickest round-trip

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sat 10/31

10:53 am-9:47 pm

2 stops12h 54m

Great Falls

Tue 11/3

6:30 am-3:02 pm

1 stop6h 32m

$674

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

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

What is the cheapest airline that flies from Ontario to Great Falls?

United Airlines is the most popular carrier operating from Ontario to Great Falls

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	12h 49m
Direct flights	None

The fastest flight from Region of Ontario to Great Falls takes 12h 49m

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.

Search flight deals

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 refreshed on a daily basis.
How old do you have to be to fly from Ontario to Great Falls Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to Great Falls Airport.
What documentation or ID do you need to fly to Great Falls Airport?
The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Shelby

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Great Falls. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Ontario to Great Falls flights to just show those with flexible booking policies.

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

Once you have performed a search for Ontario 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 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.