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Cheap flights from Ontario to Greenville from C$ 251

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GSP
13 May — 20 May1
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 13 April 2026.

Sat 25/71:30 p.m.
YYZ
-
GSP
1 stop18h 27m
Multiple Airlines
Mon 27/712:06 p.m.
GSP
-
YYZ
1 stop8h 49m
Multiple Airlines
Deal found 12/4C$ 523
Sun 7/66:30 a.m.
YYZ
-
GSP
1 stop13h 24m
Multiple Airlines
Sun 14/62:04 p.m.
GSP
-
YYZ
2 stops29h 31m
Multiple Airlines
Deal found 10/4C$ 545
Wed 27/511:01 a.m.
YYZ
-
GSP
1 stop10h 14m
American Airlines
Wed 3/610:47 a.m.
GSP
-
YYZ
1 stop7h 58m
American Airlines
Deal found 12/4C$ 574
Fri 1/511:10 a.m.
YYZ
-
GSP
1 stop10h 20m
American Airlines
Tue 5/56:30 a.m.
GSP
-
YYZ
1 stop10h 15m
American Airlines
Deal found 8/4C$ 580
Wed 3/611:01 a.m.
YYZ
-
GSP
1 stop7h 28m
American Airlines
Wed 17/66:00 a.m.
GSP
-
YYZ
1 stop8h 35m
American Airlines
Deal found 12/4C$ 581
Tue 12/511:10 a.m.
YYZ
-
GSP
1 stop10h 20m
American Airlines
Mon 18/56:00 a.m.
GSP
-
YYZ
1 stop8h 43m
American Airlines
Deal found 12/4C$ 594
Wed 3/611:01 a.m.
YYZ
-
GSP
1 stop7h 28m
American Airlines
Sun 14/66:08 p.m.
GSP
-
YYZ
1 stop4h 22m
American Airlines
Deal found 12/4C$ 602
Mon 4/511:10 a.m.
YYZ
-
GSP
1 stop10h 20m
American Airlines
Sat 9/56:30 a.m.
GSP
-
YYZ
1 stop10h 15m
American Airlines
Deal found 9/4C$ 604
Mon 11/53:25 p.m.
YUL
-
GSP
1 stop7h 40m
United Airlines
Sat 16/56:00 a.m.
GSP
-
YUL
1 stop7h 09m
United Airlines
Deal found 8/4C$ 624
Wed 3/65:50 p.m.
YYZ
-
GSP
2 stops26h 04m
Multiple Airlines
Wed 17/63:48 p.m.
GSP
-
YYZ
1 stop22h 17m
Multiple Airlines
Deal found 12/4C$ 631
Thu 23/42:29 p.m.
YUL
-
GSP
1 stop7h 14m
Delta
Sun 26/45:40 a.m.
GSP
-
YUL
1 stop5h 56m
Delta
Deal found 9/4C$ 648
Sat 2/57:00 a.m.
YUL
-
GSP
1 stop7h 17m
Delta
Wed 6/56:51 a.m.
GSP
-
YUL
1 stop4h 47m
Delta
Deal found 9/4C$ 649

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 13 April 2026.

Round-trip from

C$ 545

One-way from

C$ 251

Popular in

March

Cheapest in

May

Average price

C$ 580
7/6-14/6
  • 7/6-14/6
  • 3 total stops
  • 42h 55m total
  • Ontario to Greenville
Search Deals
7/5
  • 7/5
  • 1 total stop
  • 27h 23m total
  • Ontario to Greenville
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 69 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 13 April 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

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sat 25/7

1:30 p.m.-7:57 a.m.

1 stop18h 27m

Greenville

Mon 27/7

12:06 p.m.-8:55 p.m.

1 stop8h 49m

C$ 523

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sun 7/6

6:30 a.m.-7:54 p.m.

1 stop13h 24m

Greenville

Sun 14/6

2:04 p.m.-7:35 p.m.

2 stops29h 31m

C$ 545

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Tue 12/5

11:10 a.m.-7:15 p.m.

1 stop8h 05m

Greenville

Mon 18/5

6:00 a.m.-12:00 p.m.

1 stop6h 00m

C$ 598

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Mon 4/5

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

1 stop10h 20m

Greenville

Sat 9/5

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

1 stop10h 15m

C$ 604
Quickest round-trip

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Fri 15/5

6:51 p.m.-11:43 p.m.

1 stop4h 52m

Greenville

Sun 17/5

6:45 a.m.-11:35 a.m.

1 stop4h 50m

C$ 624

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

12:42 p.m.-10:13 p.m.

1 stop9h 31m

Greenville

Wed 6/5

5:50 p.m.-11:51 p.m.

1 stop6h 01m

C$ 648

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Thu 23/4

6:45 p.m.-11:56 p.m.

1 stop5h 11m

Greenville

Sun 26/4

6:51 a.m.-11:36 a.m.

1 stop4h 45m

C$ 648

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

9:30 a.m.-9:38 p.m.

2 stops12h 08m

Greenville

Sat 16/5

7:00 a.m.-1:39 p.m.

1 stop6h 39m

C$ 658

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Thu 14/5

9:30 a.m.-2:50 p.m.

1 stop5h 20m

Greenville

Fri 15/5

6:14 p.m.-8:39 a.m.

1 stop14h 25m

C$ 658

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sat 23/5

10:00 a.m.-7:03 p.m.

1 stop9h 03m

Greenville

Wed 27/5

6:00 a.m.-4:12 p.m.

1 stop10h 12m

C$ 666

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/4

Showing 1-10 of 29 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$ 219). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of C$ 536). 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.

How much does it cost to fly round-trip from Region of Ontario to Greenville?

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 14m. American Airlines provides one of the quickest options available for as low as C$ 648. The distance between Region of Ontario and Greenville is about 1374 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$ 219). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of C$ 536). 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 13 April 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 446AverageC$ 683FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 509AverageC$ 879FlexibilityNo 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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