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Cheap flights from Ontario to Greenville from C$ 233

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 30/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GSP
16 Nov — 23 Nov1
1 adult
1 adult, Economy

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 17 October 2025.

Round-trip from

C$ 435

One-way from

C$ 233

Popular in

September

Cheapest in

November

Average price

C$ 740
5/1-9/1
  • 5/1-9/1
  • 2 total stops
  • 19h 40m total
  • Ontario to Greenville
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30/11
  • 30/11
  • 1 total stop
  • 25h 05m total
  • Ontario to Greenville
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 167 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 17 October 2025.

Fri 31/1012:50 p.m.YYZ - GSP
1 stop6h 33mMultiple Airlines
Mon 3/118:03 p.m.GSP - YYZ
1 stop21h 50mMultiple Airlines
Deal found 16/10C$ 546
Tue 2/129:35 a.m.YUL - GSP
1 stop7h 58mDelta
Tue 6/16:00 p.m.GSP - YUL
1 stop14h 47mDelta
Deal found 15/10C$ 636
Wed 12/115:10 p.m.YUL - GSP
2 stops21h 36mMultiple Airlines
Wed 19/114:16 p.m.GSP - YUL
1 stop22h 54mMultiple Airlines
Deal found 15/10C$ 656
Mon 15/1211:36 a.m.YYZ - GSP
1 stop10h 25mAmerican Airlines
Wed 17/126:00 a.m.GSP - YYZ
1 stop10h 03mAmerican Airlines
Deal found 13/10C$ 668
Sat 29/116:10 a.m.YYZ - GSP
1 stop4h 17mDelta
Sat 6/1211:42 a.m.GSP - YYZ
2 stops23h 41mDelta
Deal found 15/10C$ 682
Wed 12/119:26 a.m.YUL - GSP
1 stop8h 07mDelta
Wed 19/116:00 a.m.GSP - YUL
1 stop7h 39mDelta
Deal found 15/10C$ 691
Tue 11/119:26 a.m.YUL - GSP
1 stop8h 07mDelta
Tue 18/117:45 a.m.GSP - YUL
2 stops10h 55mDelta
Deal found 14/10C$ 692
Wed 12/117:00 a.m.YUL - GSP
2 stops13h 49mUnited Airlines
Wed 19/119:10 a.m.GSP - YUL
2 stops12h 02mUnited Airlines
Deal found 15/10C$ 779
Tue 11/118:00 p.m.YUL - GSP
2 stops18h 20mUnited Airlines
Tue 18/112:55 p.m.GSP - YUL
1 stop27h 00mUnited Airlines
Deal found 14/10C$ 782
Fri 7/115:15 p.m.YYZ - GSP
1 stop5h 16mAmerican Airlines
Sun 9/116:00 a.m.GSP - YYZ
1 stop4h 17mAmerican Airlines
Deal found 14/10C$ 784
Mon 15/125:30 p.m.YYZ - GSP
2 stops20h 47mUnited Airlines
Wed 17/125:28 p.m.GSP - YYZ
1 stop19h 12mUnited Airlines
Deal found 13/10C$ 791
Tue 16/126:00 a.m.YYZ - GSP
1 stop5h 37mAmerican Airlines
Fri 19/127:37 a.m.GSP - YYZ
1 stop4h 08mAmerican Airlines
Deal found 14/10C$ 792

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 17 October 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

Mon 5/1

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

1 stop12h 08m

Greenville

Fri 9/1

4:39 p.m.-12:11 a.m.

1 stop7h 32m

C$ 435

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Fri 31/10

12:50 p.m.-7:23 p.m.

1 stop6h 33m

Greenville

Mon 3/11

8:03 p.m.-5:53 p.m.

1 stop21h 50m

C$ 546

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Tue 2/12

9:35 a.m.-5:33 p.m.

1 stop7h 58m

Greenville

Tue 6/1

6:00 p.m.-8:47 a.m.

1 stop14h 47m

C$ 636

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

9:26 a.m.-5:33 p.m.

1 stop8h 07m

Greenville

Tue 18/11

6:13 p.m.-8:36 a.m.

1 stop14h 23m

C$ 637

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Wed 12/11

5:10 p.m.-2:46 p.m.

2 stops21h 36m

Greenville

Wed 19/11

4:16 p.m.-3:10 p.m.

1 stop22h 54m

C$ 656

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Thu 19/2

6:45 a.m.-4:27 p.m.

1 stop9h 42m

Greenville

Thu 26/2

5:13 p.m.-12:45 a.m.

1 stop7h 32m

C$ 664

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sat 29/11

6:10 a.m.-10:27 a.m.

1 stop4h 17m

Greenville

Sat 6/12

11:42 a.m.-11:23 a.m.

2 stops23h 41m

C$ 682

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Wed 12/11

9:26 a.m.-5:33 p.m.

1 stop8h 07m

Greenville

Wed 19/11

6:00 a.m.-1:39 p.m.

1 stop7h 39m

C$ 691

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sun 29/3

7:40 p.m.-9:49 a.m.

1 stop14h 09m

Greenville

Tue 31/3

10:21 a.m.-5:01 p.m.

1 stop6h 40m

C$ 769

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Tue 10/3

10:00 a.m.-2:10 p.m.

1 stop4h 10m

Greenville

Tue 17/3

12:00 p.m.-5:54 p.m.

1 stop5h 54m

C$ 769

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/10

Showing 1-10 of 31 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$ 435). 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 17 October 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 7h 58m. Delta provides one of the quickest options available for as low as C$ 636. 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$ 435). 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 17 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 362AverageC$ 641FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 364AverageC$ 428FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 424AverageC$ 611FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 459AverageC$ 707FlexibilityNo 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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