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.

$368 Cheap Flights from Ontario to Great Falls in 2026/27

Find the cheapest flights from Ontario to Great Falls

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:10 pm - 9:42 pmYYZ Toronto Pearson Intl-GTF Great Falls

7h 32m1 stop Denver Intl

6:25 am - 11:59 pmGTF Great Falls-YYZ Toronto Pearson Intl

15h 34m2 stops Denver Intl Chicago O'Hare Intl

$677United Airlines

Sun, Jan 10 - Tue, Jan 12

4:10 pm - 9:42 pmYYZ Toronto Pearson Intl-GTF Great Falls

7h 32m1 stop Denver Intl

6:25 am - 11:59 pmGTF Great Falls-YYZ Toronto Pearson Intl

15h 34m2 stops Denver Intl Chicago O'Hare Intl

$678United Airlines

Sun, Jan 10 - Tue, Jan 12

8:40 am - 1:49 pmYYZ Toronto Pearson Intl-GTF Great Falls

7h 09m1 stop Denver Intl

6:30 am - 3:02 pmGTF Great Falls-YYZ Toronto Pearson Intl

6h 32m1 stop Denver Intl

$751United Airlines

Thu, Nov 26 - Thu, Dec 3

8:40 am - 9:38 pmYYZ Toronto Pearson Intl-GTF Great Falls

14h 58m1 stop Denver Intl

6:30 am - 3:02 pmGTF Great Falls-YYZ Toronto Pearson Intl

6h 32m1 stop Denver Intl

$767United Airlines

Tue, Nov 24 - Tue, Dec 1

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

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

Jan 10

YYZ12:55 pmToronto Pearson Intl

10h 47m

2 stops

GTF9:42 pmGreat Falls

Jan 12

GTF6:25 amGreat Falls

11h 34m

2 stops

YYZ7:59 pmToronto Pearson Intl

$677

United Airlines

Jan 10

YYZ4:10 pmToronto Pearson Intl

7h 32m

1 stop

GTF9:42 pmGreat Falls

Jan 12

GTF6:25 amGreat Falls

15h 34m

2 stops

YYZ11:59 pmToronto Pearson Intl

$678

United Airlines

Nov 26

YYZ8:40 amToronto Pearson Intl

7h 09m

1 stop

GTF1:49 pmGreat Falls

Dec 3

GTF6:30 amGreat Falls

6h 32m

1 stop

YYZ3:02 pmToronto Pearson Intl

$751

momondo Fare Finder

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 Toronto Pearson Intl - GTF Great Falls

YYZGTF

Toronto Pearson Intl

Sun 1/10

4:10 pm-9:42 pm

1 stop7h 32m

Great Falls

Tue 1/12

6:25 am-11:59 pm

2 stops15h 34m

$677

TorontoGreat Falls

YYZ Toronto Pearson Intl - GTF Great Falls

YYZGTF

Toronto Pearson Intl

Sun 1/10

4:10 pm-9:42 pm

1 stop7h 32m

Great Falls

Tue 1/12

6:25 am-11:59 pm

2 stops15h 34m

$678

Quickest round-trip

TorontoGreat Falls

YYZ Toronto Pearson Intl - GTF Great Falls

YYZGTF

Toronto Pearson Intl

Thu 11/26

8:40 am-1:49 pm

1 stop7h 09m

Great Falls

Thu 12/3

6:30 am-3:02 pm

1 stop6h 32m

$751

TorontoGreat Falls

YYZ Toronto Pearson Intl - GTF Great Falls

YYZGTF

Toronto Pearson Intl

Tue 11/24

8:40 am-9:38 pm

1 stop14h 58m

Great Falls

Tue 12/1

6:30 am-3:02 pm

1 stop6h 32m

$767

Cheapest one-way

TorontoGreat Falls

YYZ Toronto Pearson Intl - GTF Great Falls

YYZGTF

Toronto Pearson Intl

Thu 11/26

6:45 am-1:49 pm

2 stops9h 04m

$368

Quickest one-way

TorontoGreat Falls

YYZ Toronto Pearson Intl - GTF Great Falls

YYZGTF

Toronto Pearson Intl

Thu 11/26

8:40 am-1:49 pm

1 stop7h 09m

$405

Flights are sorted by cheapest round-trip flights first.

Sorted 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

Best Price Found	$368
Fastest flight time	12h 38m
Direct flights	None

The best one-way flight to Great Falls from Region of Ontario in the past 72 hours is $368. The best round-trip flight deal from Region of Ontario to Great Falls found on momondo in the last 72 hours is $677.

The fastest flight from Region of Ontario to Great Falls takes 12h 38m

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.