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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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GSP
13 Dec — 20 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 November 2025.

Round-trip from

C$ 424

One-way from

C$ 251

Popular in

January

Cheapest in

April

Average price

C$ 752
9/12-16/12
  • 9/12-16/12
  • 2 total stops
  • 30h 08m total
  • Ontario to Greenville
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18/1
  • 18/1
  • 1 total stop
  • 12h 28m total
  • Ontario to Greenville
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Find 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 November 2025.

Tue 9/127:15 a.m.YYZ - GSP
1 stop9h 33mMultiple Airlines
Tue 16/125:38 p.m.GSP - YYZ
1 stop20h 35mMultiple Airlines
Deal found 10/11C$ 424
Wed 3/1211:36 a.m.YYZ - GSP
1 stop10h 09mAmerican Airlines
Wed 10/126:00 a.m.GSP - YYZ
1 stop10h 03mAmerican Airlines
Deal found 11/11C$ 528
Tue 18/119:35 a.m.YYZ - GSP
1 stop29h 51mMultiple Airlines
Tue 25/112:06 p.m.GSP - YYZ
1 stop27h 38mMultiple Airlines
Deal found 12/11C$ 537
Tue 25/112:20 p.m.YYZ - GSP
1 stop5h 55mMultiple Airlines
Thu 27/115:17 p.m.GSP - YYZ
1 stop28h 02mMultiple Airlines
Deal found 11/11C$ 611
Wed 10/1210:58 a.m.YYZ - GSP
1 stop11h 31mAmerican Airlines
Wed 17/127:01 a.m.GSP - YYZ
1 stop8h 09mAmerican Airlines
Deal found 12/11C$ 612
Tue 9/126:05 a.m.YYZ - GSP
1 stop8h 50mDelta
Tue 16/125:35 a.m.GSP - YYZ
2 stops11h 33mDelta
Deal found 11/11C$ 614
Tue 16/127:45 p.m.YUL - GSP
1 stop15h 10mDelta
Tue 6/15:59 p.m.GSP - YUL
1 stop14h 45mDelta
Deal found 11/11C$ 639
Wed 10/126:00 a.m.YYZ - GSP
2 stops15h 42mDelta
Wed 17/127:25 a.m.GSP - YYZ
2 stops13h 02mDelta
Deal found 12/11C$ 670
Fri 19/123:51 p.m.YUL - GSP
1 stop10h 56mAmerican Airlines
Tue 6/15:26 p.m.GSP - YUL
1 stop21h 42mAmerican Airlines
Deal found 11/11C$ 672
Mon 8/126:00 a.m.YUL - GSP
1 stop5h 02mDelta
Wed 17/126:00 a.m.GSP - YUL
1 stop7h 47mDelta
Deal found 13/11C$ 707
Mon 8/1212:59 p.m.YUL - GSP
2 stops7h 51mAmerican Airlines
Wed 17/127:30 a.m.GSP - YUL
2 stops7h 54mAmerican Airlines
Deal found 13/11C$ 773
Tue 16/127:30 a.m.YUL - GSP
2 stops13h 20mAmerican Airlines
Tue 6/15:26 p.m.GSP - YUL
1 stop21h 42mAmerican Airlines
Deal found 11/11C$ 803

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 November 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

Tue 9/12

7:15 a.m.-4:48 p.m.

1 stop9h 33m

Greenville

Tue 16/12

5:38 p.m.-2:13 p.m.

1 stop20h 35m

C$ 424

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Thu 5/2

3:40 p.m.-8:58 a.m.

1 stop17h 18m

Greenville

Thu 12/2

2:12 p.m.-5:15 p.m.

1 stop27h 03m

C$ 476

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Wed 3/12

11:36 a.m.-9:45 p.m.

1 stop10h 09m

Greenville

Wed 10/12

6:00 a.m.-4:03 p.m.

1 stop10h 03m

C$ 528

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Tue 9/12

1:10 p.m.-9:45 p.m.

1 stop8h 35m

Greenville

Tue 16/12

6:00 a.m.-4:03 p.m.

1 stop10h 03m

C$ 528

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Fri 12/12

7:15 a.m.-7:23 p.m.

1 stop12h 08m

Greenville

Fri 19/12

10:41 a.m.-11:43 a.m.

1 stop25h 02m

C$ 548

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Tue 25/11

2:20 p.m.-8:15 p.m.

1 stop5h 55m

Greenville

Thu 27/11

5:17 p.m.-9:19 p.m.

1 stop28h 02m

C$ 611

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Wed 10/12

10:58 a.m.-10:29 p.m.

1 stop11h 31m

Greenville

Wed 17/12

7:01 a.m.-3:10 p.m.

1 stop8h 09m

C$ 612

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Tue 9/12

6:05 a.m.-2:55 p.m.

1 stop8h 50m

Greenville

Tue 16/12

5:35 a.m.-5:08 p.m.

2 stops11h 33m

C$ 614

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Fri 2/1

10:54 a.m.-11:20 p.m.

1 stop12h 26m

Greenville

Sat 10/1

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

1 stop9h 19m

C$ 614

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Tue 16/12

7:45 p.m.-10:55 a.m.

1 stop15h 10m

Greenville

Tue 6/1

5:59 p.m.-8:44 a.m.

1 stop14h 45m

C$ 639

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 27 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$ 181). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of C$ 443). 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.

What is the cheapest time of day to fly from ON to GSP?

Find hourly flight availability from Ontario to Greenville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 November 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 41% on flights from Region of Ontario to Greenville by exploring options for tickets in the evening.

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 10h 02m. American Airlines provides one of the quickest options available for as low as C$ 740. 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, April is the cheapest month in which you can book a flight from Region of Ontario to Greenville (average of C$ 181). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of C$ 443). 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 13 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 392AverageC$ 639FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 417AverageC$ 427FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 423AverageC$ 610FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 435AverageC$ 720FlexibilityNo 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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