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Cheap flights from Greenville to Ontario from C$ 237

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — YYZ
22 Apr — 29 Apr1
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 23 March 2026.

Sat 2/56:30 a.m.
GSP
-
YYZ
1 stop10h 15m
American Airlines
Sat 9/511:10 a.m.
YYZ
-
GSP
1 stop7h 33m
American Airlines
Deal found 18/3C$ 583
Sun 12/78:25 a.m.
GSP
-
YYZ
1 stop11h 40m
Multiple Airlines
Sat 18/79:50 a.m.
YYZ
-
GSP
1 stop21h 45m
Multiple Airlines
Deal found 18/3C$ 589
Fri 1/55:43 p.m.
GSP
-
YYZ
1 stop20h 22m
Multiple Airlines
Sun 3/58:00 p.m.
YYZ
-
GSP
1 stop23h 38m
Multiple Airlines
Deal found 22/3C$ 591
Fri 19/68:28 p.m.
GSP
-
YYZ
1 stop20h 17m
Multiple Airlines
Mon 22/69:30 a.m.
YYZ
-
GSP
1 stop11h 31m
Multiple Airlines
Deal found 22/3C$ 601
Mon 4/58:18 p.m.
GSP
-
YYZ
2 stops23h 17m
Multiple Airlines
Mon 11/59:30 a.m.
YYZ
-
GSP
1 stop7h 23m
Multiple Airlines
Deal found 20/3C$ 605
Sun 19/410:38 a.m.
GSP
-
YUL
1 stop13h 52m
Multiple Airlines
Sun 26/44:35 p.m.
YUL
-
GSP
1 stop27h 03m
Multiple Airlines
Deal found 22/3C$ 649
Fri 1/55:43 p.m.
GSP
-
YYZ
1 stop20h 22m
Multiple Airlines
Fri 8/59:30 a.m.
YYZ
-
GSP
1 stop7h 23m
Multiple Airlines
Deal found 19/3C$ 654
Thu 7/56:30 a.m.
GSP
-
YYZ
1 stop10h 15m
American Airlines
Sun 10/57:15 a.m.
YYZ
-
GSP
1 stop10h 24m
American Airlines
Deal found 20/3C$ 668
Thu 2/44:36 p.m.
GSP
-
YUL
1 stop23h 52m
Multiple Airlines
Sun 5/48:00 a.m.
YUL
-
GSP
1 stop7h 47m
Multiple Airlines
Deal found 19/3C$ 720
Tue 4/86:00 a.m.
GSP
-
YUL
1 stop7h 39m
Delta
Tue 11/89:28 a.m.
YUL
-
GSP
1 stop8h 00m
Delta
Deal found 22/3C$ 763
Mon 4/58:16 p.m.
GSP
-
YUL
1 stop15h 28m
American Airlines
Mon 11/512:30 p.m.
YUL
-
GSP
1 stop10h 32m
American Airlines
Deal found 20/3C$ 772
Thu 28/55:59 p.m.
GSP
-
YUL
1 stop15h 51m
American Airlines
Mon 1/610:30 a.m.
YUL
-
GSP
1 stop12h 08m
American Airlines
Deal found 21/3C$ 787

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 23 March 2026.

Round-trip from

C$ 568

One-way from

C$ 237

Popular in

October

Cheapest in

January

Average price

C$ 846
5/6-7/6
  • 5/6-7/6
  • 2 total stops
  • 20h 57m total
  • Greenville to Ontario
Search Deals
American Airlines
  • American Airlines
  • 15/4
  • 1 total stop
  • 10h 15m total
  • Greenville to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 23 March 2026.
Use the filters below to find and compare flights from Greenville to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Thu 7/5

6:30 a.m.-4:45 p.m.

1 stop10h 15m

Toronto Pearson Intl

Sun 10/5

7:15 a.m.-5:39 p.m.

1 stop10h 24m

C$ 668

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Sun 19/4

6:06 p.m.-11:59 p.m.

2 stops29h 53m

Toronto Pearson Intl

Fri 24/4

9:35 a.m.-4:53 p.m.

1 stop7h 18m

C$ 698

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Mon 11/5

5:43 p.m.-2:05 p.m.

1 stop20h 22m

Toronto Pearson Intl

Fri 15/5

6:30 p.m.-11:43 p.m.

1 stop5h 13m

C$ 698

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Thu 7/5

12:35 p.m.-11:11 p.m.

1 stop10h 36m

Toronto Pearson Intl

Thu 14/5

10:59 a.m.-10:19 p.m.

1 stop11h 20m

C$ 708

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Mon 13/4

7:42 p.m.-10:04 a.m.

1 stop14h 22m

Toronto Pearson Intl

Fri 17/4

7:43 p.m.-9:55 a.m.

1 stop14h 12m

C$ 753
Quickest round-trip

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Sat 20/6

5:44 a.m.-10:23 a.m.

1 stop4h 39m

Toronto Pearson Intl

Fri 26/6

11:38 a.m.-4:10 p.m.

1 stop4h 32m

C$ 787

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Sat 27/6

11:41 a.m.-11:29 p.m.

1 stop11h 48m

Toronto Pearson Intl

Sat 4/7

7:17 a.m.-6:13 p.m.

1 stop10h 56m

C$ 792

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Sat 18/4

7:42 p.m.-11:38 a.m.

1 stop15h 56m

Montreal Pierre Elliott Trudeau Intl

Wed 22/4

9:15 a.m.-9:55 a.m.

1 stop24h 40m

C$ 808

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Fri 5/6

5:05 p.m.-11:57 p.m.

1 stop6h 52m

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

9:28 a.m.-5:28 p.m.

1 stop8h 00m

C$ 811

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Thu 18/6

6:30 a.m.-1:09 p.m.

1 stop6h 39m

Montreal Pierre Elliott Trudeau Intl

Wed 24/6

11:23 a.m.-7:08 p.m.

1 stop7h 45m

C$ 822

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/3

Showing 1-10 of 34 resultsSorted by cheapest first
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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$ 181). Flying from Greenville to Region of Ontario in July is currently the most expensive (average of C$ 568). 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, United Airlines, and Delta fly from Greenville to Region of Ontario in about 6h 52m. The time it takes to get you to your destination can typically vary by up to 9h 04m. Greenville and Region of Ontario are separated by a distance of 1374 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$ 181). Flying from Greenville to Region of Ontario in July is currently the most expensive (average of C$ 568). 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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Greenville to Ontario for you. Better yet — we are completely free to use.

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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