How does KAYAK find such low prices on flights from Ontario to Great Falls?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Great Falls. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Great Falls?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Great Falls from Ontario is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Ontario to Great Falls?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Great Falls with an airline and back to Ontario with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Great Falls?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Great Falls from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$275 CHEAP FLIGHTS from Ontario to Great Falls

KAYAK searches hundreds of travel sites at once for deals on flights to Great Falls

...and more

Travelers love KAYAK

41 299 237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals

Cheap Flights from Ontario to Great Falls

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Ontario to Great Falls

Fri, May 1 - Wed, May 6

4:55 pm - 5:35 pm

YYZ

GTF

26h 40m

1 stop

6:15 pm - 3:45 pm

GTF

YYZ

19h 30m

1 stop

$607Alaska Airlines

Sat, Jun 20 - Wed, Jun 24

7:00 am - 11:23 am

YYZ

GTF

6h 23m

1 stop

6:15 am - 3:14 pm

GTF

YYZ

6h 59m

1 stop

$611United Airlines

Sat, Jun 20 - Wed, Jun 24

7:00 am - 11:23 am

YYZ

GTF

6h 23m

1 stop

6:15 am - 5:56 pm

GTF

YYZ

9h 41m

2 stops

$642United Airlines

Tue, Jun 16 - Mon, Jul 6

8:10 am - 9:34 pm

YUL

GTF

15h 24m

1 stop

6:15 am - 5:10 pm

GTF

YUL

8h 55m

1 stop

$658United Airlines

Mon, Jun 8 - Mon, Jun 15

8:45 am - 9:34 pm

YYZ

GTF

14h 49m

1 stop

6:15 am - 11:23 pm

GTF

YYZ

15h 08m

1 stop

$661United Airlines

Sat, Jun 20 - Wed, Jun 24

11:00 am - 9:34 pm

YYZ

GTF

12h 34m

2 stops

2:37 pm - 9:54 am

GTF

YYZ

17h 17m

2 stops

$665United Airlines

Thu, Apr 30 - Mon, May 4

6:00 am - 10:29 pm

YUL

GTF

18h 29m

2 stops

1:09 pm - 11:36 am

GTF

YUL

20h 27m

2 stops

$682Delta

Thu, Apr 30 - Mon, May 4

7:00 am - 10:29 pm

YUL

GTF

17h 29m

2 stops

5:30 am - 11:26 pm

GTF

YUL

15h 56m

2 stops

$684Delta

Fri, May 1 - Wed, May 6

3:20 pm - 5:35 pm

YYZ

GTF

28h 15m

2 stops

6:15 pm - 3:45 pm

GTF

YYZ

19h 30m

1 stop

$684Multiple Airlines

Fri, May 1 - Wed, May 6

6:00 am - 5:40 pm

YYZ

GTF

13h 40m

2 stops

6:20 pm - 10:19 am

GTF

YYZ

13h 59m

2 stops

$699Delta

Useful Info

Cheapest flight	$275

Flight from Montreal to Great Falls

How does KAYAK find such low prices on flights from Ontario to Great Falls?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Great Falls.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Great Falls?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Great Falls from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Ontario to Great Falls?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Great Falls with an airline and back to Ontario with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Great Falls?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Great Falls from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Shelby

Everything you need to know for your flight to Great Falls

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on the airport you'll fly into in Great Falls

Great Falls (GTF)

$275 Find Cheap Flights from Ontario to Great Falls

KAYAK searches hundreds of travel sites at once for deals on flights to Great Falls

Cheap Flights from Ontario to Great Falls

Recent round-trip flight deals from Ontario to Great Falls

Recent one-way flight deals from Ontario to Great Falls

Good to know

FAQs for booking flights from Ontario to Great Falls

How does KAYAK find such low prices on flights from Ontario to Great Falls?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Great Falls.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Great Falls?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Great Falls from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Ontario to Great Falls?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Great Falls with an airline and back to Ontario with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Great Falls?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Great Falls from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Great Falls?

Everything you need to know for your flight to Great Falls

Information on the airport you'll fly into in Great Falls

Cabin class types available on flights to Ontario

Complete your trip to Great Falls with a hotel stay or car rental

Find direct flights for Great Falls

Flights to other popular destinations

Flights from domestic origins to Great Falls

Choose which airport to fly into in Great Falls