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Great Falls

$202+ Cheap flights from Ontario to Great Falls (GTF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GTF
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
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Cheap flight deals from Ontario to Great Falls

Keep the following information in mind while searching for Ontario to Great Falls flight deals. Data was last updated August 2, 2025.

Round-trip from

$485
(Kiwi.com)

One-way from

$202
(Kiwi.com)
From Ontario to Great Falls
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One-way flight from Ontario to Great Falls
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Find flight deals from Ontario to Great Falls

Cheapest flights from Ontario to Great Falls
Explore the most affordable flight options available from Ontario to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/218:05 pmYYZ - GTF
1 stop16h 26mMultiple Airlines
Wed 8/274:29 pmGTF - YYZ
2 stops12h 23mMultiple Airlines
Deal found 8/1$485
This Alaska Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/154:45 pmYYZ - GTF
1 stop25h 04mAlaska Airlines
Mon 9/224:29 pmGTF - YYZ
1 stop20h 31mAlaska Airlines
Deal found 8/1$539
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/158:30 amYYZ - GTF
2 stops14h 58mUnited Airlines
Mon 9/222:35 pmGTF - YYZ
2 stops24h 08mUnited Airlines
Deal found 8/1$651

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Great Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2025.
Use the filters below to find and compare flights from Ontario to Great Falls that are best for you.

Fly from

Ontario

Fly to

Great Falls

Route

Depart

Return

Price

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Thu 8/21

8:05 pm-10:31 am

1 stop16h 26m

Great Falls

Wed 8/27

4:29 pm-6:52 am

2 stops12h 23m

$485

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Mon 9/15

4:45 pm-3:49 pm

1 stop25h 04m

Great Falls

Mon 9/22

4:29 pm-3:00 pm

1 stop20h 31m

$539

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Mon 9/15

8:30 am-9:28 pm

2 stops14h 58m

Great Falls

Mon 9/22

2:35 pm-4:43 pm

2 stops24h 08m

$651

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sun 9/7

8:00 am-4:05 pm

3 stops34h 05m

$202

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Wed 9/24

4:45 pm-3:49 pm

1 stop25h 04m

$270

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Mon 9/8

9:00 pm-9:28 pm

2 stops26h 28m

$298

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Wed 9/10

5:43 pm-10:45 pm

1 stop7h 02m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Ontario to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Great Falls
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Great Falls

Get insights into the airlines that provide service to Great Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Great Falls. Reviews last updated August 2, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Ontario to Great Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
United Airlines
7.4
Good
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave

Related info for your journey

Find useful and relevant information for your journey from Ontario to Great Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Great Falls from Ontario?

    Great Falls (GTF), located 3.5 mi from the city center, is the airport you fly into when you book flights from Ontario to Great Falls.

  • What are the cheapest airlines to fly from Region of Ontario to Great Falls one-way?

    One-way options have recently been found by users for as low as $270 on Alaska Airlines. Other airlines that offer cheap prices include United Airlines from $298 and Delta from $348 one-way.

  • Can I find deals for flights from Ontario to Great Falls that include hotel bookings?

    Yes. In addition to deals on Ontario to Great Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Great Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Great Falls.

  • Can I find deals for business class flights from Ontario to Great Falls?

    Yes. Cheapflights offers flight deals from Ontario to Great Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Great Falls?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Great Falls (average of $367). Flying from Region of Ontario to Great Falls in July is currently the most expensive (average of $574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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