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Cheap flights from Greenville to Ontario from C$ 259

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — YYZ
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Greenville to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Greenville to Ontario
Explore the most affordable flight options available from Greenville to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 December 2025.

Wed 24/124:40 p.m.GSP - YYZ
1 stop20h 43mMultiple Airlines
Wed 31/127:10 a.m.YYZ - GSP
1 stop27h 43mMultiple Airlines
Deal found 14/12C$ 594
Wed 24/124:40 p.m.GSP - YYZ
1 stop20h 43mMultiple Airlines
Sat 3/18:20 p.m.YYZ - GSP
1 stop14h 33mMultiple Airlines
Deal found 15/12C$ 703
Thu 25/1211:33 a.m.GSP - YUL
1 stop12h 57mMultiple Airlines
Sun 4/14:35 p.m.YUL - GSP
1 stop26h 48mMultiple Airlines
Deal found 15/12C$ 727
Sun 21/122:54 p.m.GSP - YUL
1 stop9h 36mMultiple Airlines
Sun 4/14:35 p.m.YUL - GSP
1 stop26h 48mMultiple Airlines
Deal found 15/12C$ 764
Mon 22/128:03 p.m.GSP - YUL
1 stop28h 27mMultiple Airlines
Sun 4/14:35 p.m.YUL - GSP
1 stop26h 48mMultiple Airlines
Deal found 15/12C$ 766
Thu 25/1211:33 a.m.GSP - YUL
1 stop12h 57mMultiple Airlines
Wed 31/123:55 p.m.YUL - GSP
1 stop16h 58mMultiple Airlines
Deal found 15/12C$ 768
Thu 25/1211:33 a.m.GSP - YUL
1 stop12h 57mMultiple Airlines
Thu 1/15:25 p.m.YUL - GSP
2 stops25h 58mMultiple Airlines
Deal found 15/12C$ 776
Wed 24/124:40 p.m.GSP - YUL
1 stop22h 30mMultiple Airlines
Sun 4/14:35 p.m.YUL - GSP
1 stop26h 48mMultiple Airlines
Deal found 15/12C$ 797
Sun 21/122:54 p.m.GSP - YUL
1 stop9h 36mMultiple Airlines
Wed 31/123:55 p.m.YUL - GSP
1 stop16h 58mMultiple Airlines
Deal found 15/12C$ 805
Thu 25/1211:33 a.m.GSP - YUL
1 stop12h 57mMultiple Airlines
Sat 3/15:25 p.m.YUL - GSP
2 stops17h 28mMultiple Airlines
Deal found 15/12C$ 806
Wed 24/124:40 p.m.GSP - YYZ
1 stop20h 43mMultiple Airlines
Sun 28/127:15 a.m.YYZ - GSP
2 stops35h 20mMultiple Airlines
Deal found 15/12C$ 918
Fri 19/128:03 p.m.GSP - YYZ
1 stop18h 17mMultiple Airlines
Sun 21/123:40 p.m.YYZ - GSP
1 stop28h 13mMultiple Airlines
Deal found 15/12C$ 999

Find flight deals from Greenville to Ontario

Keep the following information in mind while searching for Greenville to Ontario flight deals. Data was last updated 16 December 2025.

Round-trip from

C$ 581

One-way from

C$ 259

Popular in

October

Cheapest in

February

Average price

C$ 654
American Airlines
  • American Airlines
  • 7/1-11/1
  • 2 total stops
  • 20h 36m total
  • Greenville to Ontario
Search Deals
American Airlines
  • American Airlines
  • 28/1
  • 1 total stop
  • 9h 19m total
  • Greenville to Ontario
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 251 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Greenville to Ontario 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 16 December 2025.
Use the filters below to find and compare flights from Greenville to Ontario that are best for you.

Fly from

Greenville

Fly to

Ontario

Route

Depart

Return

Price

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Fri 23/1

9:48 a.m.-10:12 p.m.

1 stop12h 24m

Toronto Pearson Intl

Sun 25/1

8:30 p.m.-8:58 a.m.

1 stop12h 28m

C$ 405

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Wed 7/1

7:16 a.m.-4:35 p.m.

1 stop9h 19m

Toronto Pearson Intl

Sun 11/1

10:59 a.m.-10:16 p.m.

1 stop11h 17m

C$ 581

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Fri 30/1

9:48 a.m.-3:10 p.m.

1 stop29h 22m

Montreal Pierre Elliott Trudeau Intl

Fri 6/2

6:45 a.m.-7:38 p.m.

2 stops12h 53m

C$ 610

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Fri 30/1

6:50 a.m.-6:37 p.m.

2 stops11h 47m

Montreal Pierre Elliott Trudeau Intl

Fri 6/2

9:34 a.m.-9:52 p.m.

2 stops12h 18m

C$ 780

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Fri 22/5

3:42 p.m.-12:04 a.m.

1 stop8h 22m

Toronto Pearson Intl

Mon 25/5

6:15 a.m.-10:12 p.m.

1 stop15h 57m

C$ 817

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Thu 21/5

3:42 p.m.-12:04 a.m.

1 stop8h 22m

Toronto Pearson Intl

Mon 25/5

6:15 a.m.-10:12 p.m.

1 stop15h 57m

C$ 817

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Sat 24/1

6:50 a.m.-11:45 a.m.

1 stop4h 55m

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

9:34 a.m.-6:14 p.m.

1 stop8h 40m

C$ 828

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Mon 26/1

10:51 a.m.-4:02 p.m.

1 stop5h 11m

Toronto Pearson Intl

Thu 29/1

9:00 a.m.-4:52 p.m.

1 stop7h 52m

C$ 863

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Fri 26/12

8:03 p.m.-4:23 p.m.

2 stops20h 20m

Montreal Pierre Elliott Trudeau Intl

Sun 4/1

4:35 p.m.-7:23 p.m.

1 stop26h 48m

C$ 943

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Fri 22/5

8:23 a.m.-10:50 a.m.

2 stops26h 27m

Toronto Pearson Intl

Mon 25/5

6:08 p.m.-10:00 p.m.

1 stop3h 52m

C$ 970

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/12

Showing 1-10 of 18 results
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Best time to book a flight from Greenville to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Greenville 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 Greenville to Ontario

What is the cheapest month to book a flight from Greenville to Region of Ontario?

Currently, May is the cheapest month in which you can book a flight from Greenville to Region of Ontario (average of C$ 153). Flying from Greenville to Region of Ontario in July is currently the most expensive (average of C$ 662). 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.

Related info for your journey

Find useful and relevant information for your journey from Greenville to Ontario. 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 from for flights from Greenville to Ontario?

    If you book a flight to Ontario from Greenville, you will be flying from Greenville, which is the city’s only airport. Greenville (GSP) is located 16.7 km from the centre of Greenville.

  • How long is the flight from Greenville to Region of Ontario?

    Airlines like American Airlines and Delta fly from Greenville to Region of Ontario in about 9h 19m. The time it takes to get you to your destination can typically vary by up to 2h 28m. Greenville and Region of Ontario are separated by a distance of 1001 km. Both multi-stop and direct flights can be found to your destination and back.

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

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

  • How can I find direct flights from Greenville to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Greenville to Ontario 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 Greenville to Region of Ontario?

    Currently, May is the cheapest month in which you can book a flight from Greenville to Region of Ontario (average of C$ 153). Flying from Greenville to Region of Ontario in July is currently the most expensive (average of C$ 662). 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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Alternative routes for Greenville to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Greenville to Ontario?

Deals for Greenville to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Greenville to Ontario?

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Can Cheapflights find flights from Greenville to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from Greenville? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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