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.

$214 Cheap Flights from Ontario to Great Falls in 2026

1 adult

0 bags

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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.

12:55 pm - 12:27 pm

YUL

GTF

25h 32m

2 stops

5:30 am - 11:26 pm

GTF

YUL

15h 56m

2 stops

$553Delta

Wed, Apr 29 - Sat, May 2

9:45 am - 9:17 pm

YUL

GTF

13h 32m

2 stops

6:15 am - 10:06 pm

GTF

YUL

13h 51m

2 stops

$571United Airlines

Wed, Apr 29 - Sat, May 2

6:10 am - 9:17 pm

YUL

GTF

17h 07m

2 stops

6:15 am - 12:13 am

GTF

YUL

15h 58m

2 stops

$572United Airlines

Wed, Apr 29 - Sat, May 2

9:45 am - 9:17 pm

YUL

GTF

13h 32m

2 stops

6:15 am - 12:13 am

GTF

YUL

15h 58m

2 stops

$573United Airlines

Wed, Apr 29 - Sat, May 2

9:45 am - 9:17 pm

YUL

GTF

13h 32m

2 stops

6:15 am - 5:10 pm

GTF

YUL

8h 55m

1 stop

$625United Airlines

Wed, Apr 29 - Sat, May 2

11:23 am - 9:17 pm

YUL

GTF

11h 54m

2 stops

6:15 am - 5:10 pm

GTF

YUL

8h 55m

1 stop

$626United Airlines

Wed, Apr 29 - Sat, May 2

Delta flights from Region of Ontario to Great Falls

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

Delta

Apr 29

YUL12:55 pmMontreal Pierre Elliott Trudeau Intl

25h 32m

2 stops

GTF12:27 pmGreat Falls

May 2

GTF5:30 amGreat Falls

15h 56m

2 stops

YUL11:26 pmMontreal Pierre Elliott Trudeau Intl

$553

Delta

Feb 27

YYZ6:30 amToronto Pearson Intl

13h 03m

2 stops

GTF5:33 pmGreat Falls

Mar 2

GTF6:20 pmGreat Falls

14h 47m

2 stops

YYZ11:07 amToronto Pearson Intl

$890

Delta

Feb 27

YYZ6:00 amToronto Pearson Intl

18h 29m

2 stops

GTF10:29 pmGreat Falls

Mar 2

GTF6:20 pmGreat Falls

14h 47m

2 stops

YYZ11:07 amToronto Pearson Intl

$928

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

Apr 29

YUL9:45 amMontreal Pierre Elliott Trudeau Intl

13h 32m

2 stops

GTF9:17 pmGreat Falls

May 2

GTF6:15 amGreat Falls

13h 51m

2 stops

YUL10:06 pmMontreal Pierre Elliott Trudeau Intl

$571

United Airlines

Apr 29

YUL6:10 amMontreal Pierre Elliott Trudeau Intl

17h 07m

2 stops

GTF9:17 pmGreat Falls

May 2

GTF6:15 amGreat Falls

15h 58m

2 stops

YUL12:13 amMontreal Pierre Elliott Trudeau Intl

$572

United Airlines

Apr 29

YUL9:45 amMontreal Pierre Elliott Trudeau Intl

13h 32m

2 stops

GTF9:17 pmGreat Falls

May 2

GTF6:15 amGreat Falls

15h 58m

2 stops

YUL12:13 amMontreal Pierre Elliott Trudeau Intl

$573

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

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 4/29

12:55 pm-12:27 pm

2 stops25h 32m

Great Falls

Sat 5/2

5:30 am-11:26 pm

2 stops15h 56m

$553

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 4/29

9:45 am-9:17 pm

2 stops13h 32m

Great Falls

Sat 5/2

6:15 am-10:06 pm

2 stops13h 51m

$571

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 4/29

6:10 am-9:17 pm

2 stops17h 07m

Great Falls

Sat 5/2

6:15 am-12:13 am

2 stops15h 58m

$572

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 4/29

9:45 am-9:17 pm

2 stops13h 32m

Great Falls

Sat 5/2

6:15 am-12:13 am

2 stops15h 58m

$573

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 4/29

9:45 am-9:17 pm

2 stops13h 32m

Great Falls

Sat 5/2

6:15 am-5:10 pm

1 stop8h 55m

$625

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 4/29

11:23 am-9:17 pm

2 stops11h 54m

Great Falls

Sat 5/2

6:15 am-5:10 pm

1 stop8h 55m

$626

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Wed 4/8

10:50 pm-10:52 am

3 stops38h 02m

$214

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Wed 4/8

10:15 pm-10:52 am

2 stops38h 37m

$218

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Fri 4/10

6:00 am-5:42 pm

2 stops13h 42m

$316

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Wed 4/8

4:18 pm-9:17 pm

1 stop6h 59m

$318

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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?

Delta and United Airlines 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	14h 02m
Direct flights	None

The fastest flight from Region of Ontario to Great Falls takes 14h 02m

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

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.