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Cheap flights from Ontario to Greenville from C$ 236

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GSP
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Greenville

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Greenville
Explore the most affordable flight options available from Ontario to Greenville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 March 2026.

Thu 23/44:25 p.m.
YUL
-
GSP
1 stop24h 28m
Multiple Airlines
Mon 27/45:43 p.m.
GSP
-
YUL
1 stop21h 27m
Multiple Airlines
Deal found 9/3C$ 488
Mon 13/47:10 a.m.
YYZ
-
GSP
1 stop12h 28m
Multiple Airlines
Fri 17/45:43 p.m.
GSP
-
YYZ
1 stop20h 22m
Multiple Airlines
Deal found 10/3C$ 495
Fri 17/46:30 a.m.
YYZ
-
GSP
1 stop10h 23m
Multiple Airlines
Mon 20/45:43 p.m.
GSP
-
YYZ
1 stop20h 22m
Multiple Airlines
Deal found 6/3C$ 531
Mon 20/47:15 a.m.
YYZ
-
GSP
1 stop12h 23m
Multiple Airlines
Mon 27/45:43 p.m.
GSP
-
YYZ
2 stops25h 52m
Multiple Airlines
Deal found 6/3C$ 537
Wed 22/411:10 a.m.
YYZ
-
GSP
1 stop10h 20m
American Airlines
Wed 29/46:00 a.m.
GSP
-
YYZ
1 stop8h 43m
American Airlines
Deal found 7/3C$ 573
Mon 6/411:00 a.m.
YYZ
-
GSP
1 stop11h 05m
American Airlines
Thu 16/46:30 a.m.
GSP
-
YYZ
1 stop10h 15m
American Airlines
Deal found 7/3C$ 574
Fri 1/512:30 p.m.
YUL
-
GSP
1 stop10h 33m
American Airlines
Tue 5/58:16 p.m.
GSP
-
YUL
1 stop15h 28m
American Airlines
Deal found 9/3C$ 589
Mon 6/47:10 a.m.
YYZ
-
GSP
1 stop12h 28m
Multiple Airlines
Thu 16/42:12 p.m.
GSP
-
YYZ
2 stops21h 16m
Multiple Airlines
Deal found 7/3C$ 608
Tue 24/36:00 a.m.
YYZ
-
GSP
1 stop8h 56m
Delta
Wed 25/36:21 p.m.
GSP
-
YYZ
1 stop4h 48m
Delta
Deal found 5/3C$ 623
Thu 19/310:05 a.m.
YYZ
-
GSP
1 stop10h 51m
Multiple Airlines
Thu 26/32:57 p.m.
GSP
-
YYZ
1 stop23h 23m
Multiple Airlines
Deal found 9/3C$ 628
Fri 24/47:41 p.m.
YUL
-
GSP
1 stop17h 04m
Delta
Tue 28/46:59 p.m.
GSP
-
YUL
1 stop13h 41m
Delta
Deal found 9/3C$ 639
Mon 30/39:20 a.m.
YUL
-
GSP
1 stop8h 21m
Delta
Tue 31/36:14 p.m.
GSP
-
YUL
1 stop4h 59m
Delta
Deal found 5/3C$ 646

Find flight deals from Ontario to Greenville

Keep the following information in mind while searching for Ontario to Greenville flight deals. Data was last updated 10 March 2026.

Round-trip from

C$ 488

One-way from

C$ 236

Popular in

September

Cheapest in

April

Average price

C$ 797
23/4-27/4
  • 23/4-27/4
  • 2 total stops
  • 45h 55m total
  • Ontario to Greenville
Search Deals
12/4
  • 12/4
  • 1 total stop
  • 23h 18m total
  • Ontario to Greenville
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 133 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 23 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 Ontario to Greenville 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 10 March 2026.
Use the filters below to find and compare flights from Ontario to Greenville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Thu 23/4

4:25 p.m.-4:53 p.m.

1 stop24h 28m

Greenville

Mon 27/4

5:43 p.m.-3:10 p.m.

1 stop21h 27m

C$ 488

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Fri 17/4

6:30 a.m.-4:53 p.m.

1 stop10h 23m

Greenville

Mon 20/4

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

1 stop20h 22m

C$ 531

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Wed 22/4

11:10 a.m.-9:30 p.m.

1 stop10h 20m

Greenville

Wed 29/4

6:00 a.m.-2:43 p.m.

1 stop8h 43m

C$ 573

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Tue 24/3

6:00 a.m.-2:56 p.m.

1 stop8h 56m

Greenville

Wed 25/3

6:21 p.m.-11:09 p.m.

1 stop4h 48m

C$ 623

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Fri 3/4

1:00 p.m.-8:47 p.m.

1 stop7h 47m

Greenville

Tue 7/4

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

1 stop14h 22m

C$ 623

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Fri 24/4

7:41 p.m.-12:45 p.m.

1 stop17h 04m

Greenville

Tue 28/4

6:59 p.m.-8:40 a.m.

1 stop13h 41m

C$ 639

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

9:20 a.m.-5:41 p.m.

1 stop8h 21m

Greenville

Tue 31/3

6:14 p.m.-11:13 p.m.

1 stop4h 59m

C$ 646

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Tue 24/3

9:00 p.m.-10:01 a.m.

1 stop13h 01m

Greenville

Wed 25/3

12:07 p.m.-7:17 p.m.

1 stop7h 10m

C$ 662

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Mon 30/3

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

1 stop14h 12m

Greenville

Tue 31/3

12:33 p.m.-7:37 p.m.

1 stop7h 04m

C$ 665

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sat 30/5

7:22 a.m.-3:43 p.m.

1 stop8h 21m

Greenville

Tue 9/6

6:14 a.m.-2:35 p.m.

1 stop8h 21m

C$ 666

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Showing 1-10 of 33 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Greenville

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

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

Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Greenville (average of C$ 205). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of C$ 525). 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 Ontario to Greenville. 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 Greenville from Ontario?

    Located just 16.7 km from the city centre, Greenville (GSP) is the airport most travelers will use when flying to Greenville from Ontario.

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

    A quick flight from Region of Ontario to Greenville can take about 7h 47m. American Airlines provides one of the quickest options available for as low as C$ 623. The distance between Region of Ontario and Greenville is about 1001 km. This flight may include one or multiple stops.

  • What are the most popular routes from Region of Ontario to Greenville?

    The most popular flight routes from Region of Ontario to Greenville are Toronto Pearson Intl - Greenville, Montreal Pierre Elliott Trudeau Intl - Greenville and Thunder Bay - Greenville.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Greenville (average of C$ 205). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of C$ 525). 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 Ontario to Greenville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ontario to Greenville

Discover the top 2 airlines that operate flights from Ontario to Greenville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 437AverageC$ 670FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 467AverageC$ 735FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from Ontario to Greenville, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Ontario to Greenville by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

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

Can Cheapflights notify me if prices for flights from Ontario to Greenville become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Greenville flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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