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.

$355 Cheap Flights from Ontario to Great Falls in 2026

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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.

6:00 am - 5:43 pm

YUL

GTF

13h 43m

2 stops

6:20 pm - 3:59 pm

GTF

YUL

19h 39m

2 stops

$617Delta

Wed, Oct 28 - Fri, Oct 30

7:00 am - 5:43 pm

YUL

GTF

12h 43m

2 stops

1:10 pm - 3:59 pm

GTF

YUL

24h 49m

2 stops

$620Delta

Wed, Oct 28 - Fri, Oct 30

6:00 am - 12:35 pm

YYZ

GTF

8h 35m

2 stops

6:21 pm - 10:23 am

GTF

YYZ

14h 02m

2 stops

$650Delta

Tue, Sep 29 - Sat, Oct 3

4:18 pm - 9:21 pm

YYZ

GTF

7h 03m

1 stop

6:15 am - 3:14 pm

GTF

YYZ

6h 59m

1 stop

$651United Airlines

Tue, Sep 29 - Sat, Oct 3

4:18 pm - 9:12 pm

YYZ

GTF

6h 54m

1 stop

6:15 am - 3:16 pm

GTF

YYZ

7h 01m

1 stop

$660United Airlines

Sun, Aug 16 - Sun, Aug 23

4:18 pm - 9:12 pm

YYZ

GTF

6h 54m

1 stop

6:15 am - 3:16 pm

GTF

YYZ

7h 01m

1 stop

$661United Airlines

Sun, Aug 16 - Sun, Aug 23

4:18 pm - 9:12 pm

YYZ

GTF

6h 54m

1 stop

2:25 pm - 9:54 am

GTF

YYZ

17h 29m

2 stops

$670United Airlines

Sun, Aug 16 - Sun, Aug 23

4:18 pm - 9:12 pm

YYZ

GTF

6h 54m

1 stop

2:25 pm - 9:54 am

GTF

YYZ

17h 29m

2 stops

$671United Airlines

Sun, Aug 16 - Sun, Aug 23

8:15 am - 9:12 pm

YUL

GTF

14h 57m

1 stop

6:15 am - 3:28 pm

GTF

YUL

7h 13m

1 stop

$726United Airlines

Sun, Aug 16 - Sun, Aug 23

8:15 am - 9:12 pm

YUL

GTF

14h 57m

1 stop

6:15 am - 3:28 pm

GTF

YUL

7h 13m

1 stop

$727United Airlines

Sun, Aug 16 - Sun, Aug 23

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

Sep 29

YYZ4:18 pmToronto Pearson Intl

7h 03m

1 stop

GTF9:21 pmGreat Falls

Oct 3

GTF6:15 amGreat Falls

6h 59m

1 stop

YYZ3:14 pmToronto Pearson Intl

$651

United Airlines

Aug 16

YYZ4:18 pmToronto Pearson Intl

6h 54m

1 stop

GTF9:12 pmGreat Falls

Aug 23

GTF6:15 amGreat Falls

7h 01m

1 stop

YYZ3:16 pmToronto Pearson Intl

$660

United Airlines

Aug 16

YYZ4:18 pmToronto Pearson Intl

6h 54m

1 stop

GTF9:12 pmGreat Falls

Aug 23

GTF6:15 amGreat Falls

7h 01m

1 stop

YYZ3:16 pmToronto Pearson Intl

$661

Delta flights from Region of Ontario to Great Falls

Our best Delta deals on Region of Ontario to Great Falls flight tickets

Delta

Oct 28

YUL6:00 amMontreal Pierre Elliott Trudeau Intl

13h 43m

2 stops

GTF5:43 pmGreat Falls

Oct 30

GTF6:20 pmGreat Falls

19h 39m

2 stops

YUL3:59 pmMontreal Pierre Elliott Trudeau Intl

$617

Delta

Oct 28

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

12h 43m

2 stops

GTF5:43 pmGreat Falls

Oct 30

GTF1:10 pmGreat Falls

24h 49m

2 stops

YUL3:59 pmMontreal Pierre Elliott Trudeau Intl

$620

Delta

Sep 29

YYZ6:00 amToronto Pearson Intl

8h 35m

2 stops

GTF12:35 pmGreat Falls

Oct 3

GTF6:21 pmGreat Falls

14h 02m

2 stops

YYZ10:23 amToronto Pearson Intl

$650

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 10/28

6:00 am-5:43 pm

2 stops13h 43m

Great Falls

Fri 10/30

6:20 pm-3:59 pm

2 stops19h 39m

$617

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 10/28

7:00 am-5:43 pm

2 stops12h 43m

Great Falls

Fri 10/30

1:10 pm-3:59 pm

2 stops24h 49m

$620

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Tue 9/29

6:00 am-12:35 pm

2 stops8h 35m

Great Falls

Sat 10/3

6:21 pm-10:23 am

2 stops14h 02m

$650

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Tue 9/29

4:18 pm-9:21 pm

1 stop7h 03m

Great Falls

Sat 10/3

6:15 am-3:14 pm

1 stop6h 59m

$651

Quickest round-trip

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sun 8/16

4:18 pm-9:12 pm

1 stop6h 54m

Great Falls

Sun 8/23

6:15 am-3:16 pm

1 stop7h 01m

$660

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sun 8/16

4:18 pm-9:12 pm

1 stop6h 54m

Great Falls

Sun 8/23

6:15 am-3:16 pm

1 stop7h 01m

$661

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sun 8/16

4:18 pm-9:12 pm

1 stop6h 54m

Great Falls

Sun 8/23

2:25 pm-9:54 am

2 stops17h 29m

$670

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sun 8/16

4:18 pm-9:12 pm

1 stop6h 54m

Great Falls

Sun 8/23

2:25 pm-9:54 am

2 stops17h 29m

$671

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Sun 8/16

8:15 am-9:12 pm

1 stop14h 57m

Great Falls

Sun 8/23

6:15 am-3:28 pm

1 stop7h 13m

$726

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Sun 8/16

8:15 am-9:12 pm

1 stop14h 57m

Great Falls

Sun 8/23

6:15 am-3:28 pm

1 stop7h 13m

$727

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 and Delta are the most popular carriers 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	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.

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.

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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.