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Cheap flights from Ontario to Great Falls from C$ 325

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GTF
5 May — 12 May1
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 30 April 2025.

Round-trip from

C$ 656

One-way from

C$ 453
Alaska Airlines
  • Alaska Airlines
  • 6/6-10/6
  • 2 total stops
  • 45h 35m total
  • Ontario to Great Falls
Search Deals
2/7
  • 2/7
  • 2 total stops
  • 42h 39m total
  • Ontario to Great Falls
Search Deals

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 30 April 2025.

Fri 6/64:45 p.m.YYZ - GTF
1 stop25h 44mAlaska Airlines
Tue 10/65:09 p.m.GTF - YYZ
1 stop19h 51mAlaska Airlines
Deal found 29/4C$ 656
Fri 11/76:04 a.m.YYZ - GTF
2 stops18h 41mDelta
Tue 15/75:45 a.m.GTF - YYZ
1 stop8h 55mDelta
Deal found 29/4C$ 884
Thu 3/77:00 a.m.YUL - GTF
2 stops17h 45mDelta
Sun 13/75:45 a.m.GTF - YUL
2 stops15h 30mDelta
Deal found 28/4C$ 889
Thu 3/78:05 a.m.YUL - GTF
1 stop15h 08mUnited Airlines
Sun 13/76:25 a.m.GTF - YUL
1 stop15h 01mUnited Airlines
Deal found 28/4C$ 1,039

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 30 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

Fri 6/6

4:45 p.m.-4:29 p.m.

1 stop25h 44m

Great Falls

Tue 10/6

5:09 p.m.-3:00 p.m.

1 stop19h 51m

C$ 656

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Fri 11/7

6:04 a.m.-10:45 p.m.

2 stops18h 41m

Great Falls

Tue 15/7

5:45 a.m.-4:40 p.m.

1 stop8h 55m

C$ 884

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 3/7

7:00 a.m.-10:45 p.m.

2 stops17h 45m

Great Falls

Sun 13/7

5:45 a.m.-11:15 p.m.

2 stops15h 30m

C$ 889

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 3/7

8:05 a.m.-9:13 p.m.

1 stop15h 08m

Great Falls

Sun 13/7

6:25 a.m.-11:26 p.m.

1 stop15h 01m

C$ 1,039

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Thu 3/7

3:10 p.m.-9:24 a.m.

2 stops20h 14m

C$ 325

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Thu 7/8

5:45 p.m.-10:45 p.m.

1 stop7h 00m

C$ 496

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Fri 8/8

2:10 p.m.-1:36 p.m.

3 stops25h 26m

C$ 533

MontrealGreat Falls

YUL - GTF

YULGTF

Montreal Pierre Elliott Trudeau Intl

Wed 2/7

8:05 a.m.-9:13 p.m.

1 stop15h 08m

C$ 563

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

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 30 April 2025.
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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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Alternative routes for Ontario to Great Falls

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