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Cheap flights from Ontario to Great Falls from C$ 280

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GTF
5 Aug — 12 Aug1
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 31 July 2025.

Round-trip from

C$ 1,215

One-way from

C$ 280
Delta
  • Delta
  • 14/8-17/8
  • 2 total stops
  • 17h 27m total
  • Ontario to Great Falls
Search Deals
7/9
  • 7/9
  • 3 total stops
  • 34h 05m 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 31 July 2025.

Thu 14/85:43 p.m.YYZ - GTF
1 stop7h 02mDelta
Sun 17/86:05 a.m.GTF - YYZ
1 stop10h 25mDelta
Deal found 29/7C$ 1,215
Wed 30/712:45 p.m.YYZ - GTF
2 stops10h 28mUnited Airlines
Tue 5/82:35 p.m.GTF - YYZ
2 stops17h 29mUnited Airlines
Deal found 29/7C$ 1,276
Wed 30/74:45 p.m.YYZ - GTF
1 stop25h 28mAlaska Airlines
Tue 5/84:55 p.m.GTF - YYZ
1 stop20h 05mAlaska Airlines
Deal found 30/7C$ 3,280

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 31 July 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 14/8

5:43 p.m.-10:45 p.m.

1 stop7h 02m

Great Falls

Sun 17/8

6:05 a.m.-6:30 p.m.

1 stop10h 25m

C$ 1,215

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sun 7/9

8:00 a.m.-4:05 p.m.

3 stops34h 05m

C$ 280

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Mon 8/9

9:00 p.m.-9:28 p.m.

2 stops26h 28m

C$ 412

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Sat 13/9

6:03 a.m.-10:28 p.m.

2 stops18h 25m

C$ 423

TorontoGreat Falls

YYZ - GTF

YYZGTF

Toronto Pearson Intl

Tue 9/9

4:45 p.m.-3:49 p.m.

1 stop25h 04m

C$ 455

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

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 31 July 2025.
See what other customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Ontario to Great Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

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
Check prices

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

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
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

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
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

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 5.7 km from the city centre, 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?

    The cheapest airlines for a one-way flight from Region of Ontario to Great Falls are United Airlines (C$ 412), Delta (C$ 423), and Alaska Airlines (C$ 455).

  • 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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