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Cheap flights from Ontario to Greenville from C$ 317

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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GSP
26 Jan — 2 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Greenville

Enter your travel dates to find the best prices.

Best flights from Ontario to Greenville
Discover carefully curated flight deals from Ontario to Greenville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 27 December 2025.

Fri 8/57:10 a.m.YYZ - GSP
1 stop8h 19mMultiple Airlines
Mon 11/55:43 p.m.GSP - YYZ
1 stop20h 22mMultiple Airlines
Deal found 25/12C$ 443
Sat 24/110:59 a.m.YYZ - GSP
1 stop10h 06mAmerican Airlines
Sat 31/17:16 a.m.GSP - YYZ
1 stop9h 19mAmerican Airlines
Deal found 25/12C$ 504
Thu 29/17:50 a.m.YYZ - GSP
1 stop9h 22mDelta
Sun 1/25:59 p.m.GSP - YYZ
1 stop23h 54mDelta
Deal found 24/12C$ 556
Fri 10/41:00 p.m.YYZ - GSP
1 stop7h 47mUnited Airlines
Sun 12/46:30 a.m.GSP - YYZ
1 stop5h 19mUnited Airlines
Deal found 25/12C$ 656
Tue 24/23:55 p.m.YUL - GSP
1 stop19h 01mAmerican Airlines
Sat 28/23:56 p.m.GSP - YUL
1 stop6h 48mAmerican Airlines
Deal found 26/12C$ 604
Sat 30/58:00 p.m.YYZ - GSP
1 stop23h 39mMultiple Airlines
Fri 10/710:26 a.m.GSP - YYZ
1 stop10h 54mMultiple Airlines
Deal found 25/12C$ 637
Fri 10/47:30 p.m.YUL - GSP
1 stop23h 32mDelta
Sat 18/43:55 p.m.GSP - YUL
1 stop16h 45mDelta
Deal found 26/12C$ 644
Sun 31/56:15 a.m.YYZ - GSP
1 stop6h 55mDelta
Sat 6/67:15 a.m.GSP - YYZ
1 stop6h 10mDelta
Deal found 25/12C$ 656
Wed 3/67:59 a.m.YYZ - GSP
1 stop9h 29mDelta
Sat 11/76:45 a.m.GSP - YYZ
1 stop5h 30mDelta
Deal found 25/12C$ 675
Sun 1/25:00 a.m.YQT - GSP
2 stops16h 57mUnited Airlines
Thu 5/26:20 a.m.GSP - YQT
2 stops12h 15mUnited Airlines
Deal found 26/12C$ 820
Mon 2/29:34 a.m.YUL - GSP
1 stop7h 38mDelta
Tue 3/25:26 p.m.GSP - YUL
1 stop6h 24mDelta
Deal found 24/12C$ 692
Fri 6/312:30 p.m.YUL - GSP
1 stop7h 49mDelta
Fri 13/311:40 a.m.GSP - YUL
1 stop6h 55mDelta
Deal found 25/12C$ 692
Tue 24/29:29 a.m.YUL - GSP
2 stops12h 55mDelta
Sat 28/27:10 a.m.GSP - YUL
1 stop6h 26mDelta
Deal found 26/12C$ 694

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 27 December 2025.

Round-trip from

C$ 416

One-way from

C$ 317

Popular in

January

Cheapest in

April

Average price

C$ 592
8/5-11/5
  • 8/5-11/5
  • 2 total stops
  • 28h 41m total
  • Ontario to Greenville
Search Deals
6/4
  • 6/4
  • 1 total stop
  • 8h 08m total
  • Ontario to Greenville
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 54 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 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 27 December 2025.
Use the filters below to find and compare flights from Ontario to Greenville that are best for you.

Fly from

Ontario

Fly to

Greenville

Route

Depart

Return

Price

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Fri 8/5

7:10 a.m.-3:29 p.m.

1 stop8h 19m

Greenville

Mon 11/5

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

1 stop20h 22m

C$ 443

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sat 24/1

10:59 a.m.-9:05 p.m.

1 stop10h 06m

Greenville

Sat 31/1

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

1 stop9h 19m

C$ 504

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Thu 29/1

7:50 a.m.-5:12 p.m.

1 stop9h 22m

Greenville

Sun 1/2

5:59 p.m.-5:53 p.m.

1 stop23h 54m

C$ 556

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

3:55 p.m.-10:56 a.m.

1 stop19h 01m

Greenville

Sat 28/2

3:56 p.m.-10:44 p.m.

1 stop6h 48m

C$ 604

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sat 30/5

8:00 p.m.-7:39 p.m.

1 stop23h 39m

Greenville

Fri 10/7

10:26 a.m.-9:20 p.m.

1 stop10h 54m

C$ 637

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Fri 10/4

7:30 p.m.-7:02 p.m.

1 stop23h 32m

Greenville

Sat 18/4

3:55 p.m.-8:40 a.m.

1 stop16h 45m

C$ 644

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Fri 10/4

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

1 stop7h 47m

Greenville

Sun 12/4

6:30 a.m.-11:49 a.m.

1 stop5h 19m

C$ 656

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sun 31/5

6:15 a.m.-1:10 p.m.

1 stop6h 55m

Greenville

Sat 6/6

7:15 a.m.-1:25 p.m.

1 stop6h 10m

C$ 656

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Wed 3/6

7:59 a.m.-5:28 p.m.

1 stop9h 29m

Greenville

Sat 11/7

6:45 a.m.-12:15 p.m.

1 stop5h 30m

C$ 675

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

9:34 a.m.-5:12 p.m.

1 stop7h 38m

Greenville

Tue 3/2

5:26 p.m.-11:50 p.m.

1 stop6h 24m

C$ 692

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/12

Showing 1-10 of 24 results
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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, April is the cheapest month in which you can book a flight from Region of Ontario to Greenville (average of C$ 168). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of C$ 462). 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 9h 22m. American Airlines provides one of the quickest options available for as low as C$ 556. 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, April is the cheapest month in which you can book a flight from Region of Ontario to Greenville (average of C$ 168). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of C$ 462). 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 4 airlines flying from Ontario to Greenville

Discover the top 4 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 27 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 383AverageC$ 466FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 407AverageC$ 417FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 413AverageC$ 595FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 464AverageC$ 709FlexibilityNo 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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