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Cheap flights from Ontario to Great Falls from C$ 366

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GTF
7 Apr — 14 Apr1
1 adult

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 2 April 2025.

Round-trip from

C$ 704

One-way from

C$ 366
4/6-8/6
  • 4/6-8/6
  • 3 total stops
  • 53h 40m total
  • Ontario to Great Falls
29/4
  • 29/4
  • 2 total stops
  • 12h 27m total
  • Ontario to Great Falls

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 2 April 2025.

Wed 4/61:30 p.m.YYZ - GTF
2 stops31h 37mMultiple Airlines
Sun 8/67:57 p.m.GTF - YYZ
1 stop22h 03mMultiple Airlines
Deal found 1/4C$ 704
Wed 4/63:50 p.m.YYZ - GTF
2 stops8h 41mDelta
Sun 8/66:18 p.m.GTF - YYZ
2 stops13h 03mDelta
Deal found 1/4C$ 856
Fri 11/712:00 p.m.YYZ - GTF
2 stops11h 13mUnited Airlines
Tue 15/76:25 a.m.GTF - YYZ
2 stops11h 12mUnited Airlines
Deal found 1/4C$ 919
Sat 19/44:45 p.m.YYZ - GTF
1 stop24h 27mAlaska Airlines
Mon 21/43:52 p.m.GTF - YYZ
1 stop21h 08mAlaska Airlines
Deal found 1/4C$ 978

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 629,999 searches. Data last updated 2 April 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

Wed 4/6

1:30 p.m.-7:07 p.m.

2 stops31h 37m

Great Falls

Sun 8/6

7:57 p.m.-8:00 p.m.

1 stop22h 03m

C$ 704

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Wed 4/6

9:44 a.m.-9:10 p.m.

1 stop13h 26m

Great Falls

Sun 8/6

6:25 a.m.-3:11 p.m.

1 stop6h 46m

C$ 856

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sat 19/4

4:45 p.m.-3:12 p.m.

1 stop24h 27m

Great Falls

Mon 21/4

3:52 p.m.-3:00 p.m.

1 stop21h 08m

C$ 978

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sat 19/4

3:59 p.m.-10:26 p.m.

2 stops8h 27m

Great Falls

Mon 21/4

6:35 p.m.-10:24 a.m.

2 stops13h 49m

C$ 1,055

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Tue 29/4

7:00 a.m.-5:27 p.m.

2 stops12h 27m

C$ 366

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Fri 16/5

6:15 a.m.-5:36 p.m.

2 stops13h 21m

C$ 566

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Fri 16/5

8:05 a.m.-9:23 p.m.

1 stop15h 18m

C$ 666

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/3

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

Rainfall in Great Falls by month

Plan your trip to Great Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Great Falls ranges from 13.0 - 64.0 mm per month. June is typically the wettest month, when rainfall can reach 64.0 mm. January is typically the driest time to visit Great Falls when rainfall is around 13.0 mm.

Temperature in Great Falls by month

Plan your trip to Great Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Great Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -4.0 C).

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 2 April 2025.

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
8.0
Very good

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 5.7 km from the city centre, is the airport you fly into when you book flights from Ontario to Great Falls.

  • 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.

See more FAQs

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Yes! Start tracking prices for Ontario to Great Falls flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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