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Cheap flights from Ontario to Greenville from C$ 225

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GSP
4 Feb — 11 Feb1
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 5 January 2026.

Mon 26/17:10 a.m.YYZ - GSP
1 stop8h 49mMultiple Airlines
Thu 29/15:45 p.m.GSP - YYZ
1 stop20h 55mMultiple Airlines
Deal found 3/1C$ 406
Thu 15/17:10 a.m.YYZ - GSP
1 stop13h 57mMultiple Airlines
Thu 22/16:45 p.m.GSP - YYZ
1 stop19h 55mMultiple Airlines
Deal found 4/1C$ 474
Thu 29/18:20 p.m.YYZ - GSP
1 stop19h 39mMultiple Airlines
Sun 8/25:45 p.m.GSP - YYZ
1 stop20h 55mMultiple Airlines
Deal found 4/1C$ 475
Mon 2/210:15 a.m.YYZ - GSP
1 stop10h 44mMultiple Airlines
Thu 12/25:17 p.m.GSP - YYZ
1 stop28h 58mMultiple Airlines
Deal found 3/1C$ 486
Tue 3/21:14 p.m.YYZ - GSP
1 stop10h 45mAmerican Airlines
Thu 12/27:29 a.m.GSP - YYZ
1 stop8h 34mAmerican Airlines
Deal found 4/1C$ 534
Sun 1/28:00 a.m.YUL - GSP
1 stop24h 58mMultiple Airlines
Sun 8/25:45 p.m.GSP - YUL
2 stops30h 53mMultiple Airlines
Deal found 4/1C$ 537
Sun 19/411:15 a.m.YYZ - GSP
1 stop29h 38mMultiple Airlines
Sun 26/42:12 p.m.GSP - YYZ
1 stop9h 38mMultiple Airlines
Deal found 4/1C$ 549
Mon 6/47:30 p.m.YUL - GSP
1 stop15h 29mDelta
Fri 24/46:59 p.m.GSP - YUL
1 stop13h 41mDelta
Deal found 4/1C$ 658
Sat 31/19:34 a.m.YUL - GSP
1 stop8h 40mDelta
Sat 7/25:40 a.m.GSP - YUL
1 stop6h 05mDelta
Deal found 3/1C$ 660
Mon 2/27:00 a.m.YUL - GSP
1 stop7h 03mDelta
Tue 3/23:05 p.m.GSP - YUL
1 stop8h 45mDelta
Deal found 3/1C$ 693
Sat 31/12:25 p.m.YUL - GSP
1 stop9h 26mAmerican Airlines
Sat 7/26:00 a.m.GSP - YUL
1 stop6h 24mAmerican Airlines
Deal found 3/1C$ 706
Fri 6/39:29 a.m.YUL - GSP
2 stops10h 50mDelta
Fri 13/311:40 a.m.GSP - YUL
1 stop6h 55mDelta
Deal found 4/1C$ 715

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 5 January 2026.

Round-trip from

C$ 406

One-way from

C$ 225

Popular in

September

Cheapest in

April
26/1-29/1
  • 26/1-29/1
  • 2 total stops
  • 29h 44m total
  • Ontario to Greenville
Search Deals
18/2
  • 18/2
  • 1 total stop
  • 24h 47m total
  • Ontario to Greenville
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 186 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 29 potential savings vs. average RT price).
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 5 January 2026.
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 26/1

7:10 a.m.-3:59 p.m.

1 stop8h 49m

Greenville

Thu 29/1

5:45 p.m.-2:40 p.m.

1 stop20h 55m

C$ 406

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Thu 15/1

7:10 a.m.-9:07 p.m.

1 stop13h 57m

Greenville

Thu 22/1

6:45 p.m.-2:40 p.m.

1 stop19h 55m

C$ 474

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Mon 2/2

10:15 a.m.-8:59 p.m.

1 stop10h 44m

Greenville

Thu 12/2

5:17 p.m.-10:15 p.m.

1 stop28h 58m

C$ 486

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Tue 3/2

1:14 p.m.-11:59 p.m.

1 stop10h 45m

Greenville

Thu 12/2

7:29 a.m.-4:03 p.m.

1 stop8h 34m

C$ 534

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Sun 1/2

8:00 a.m.-8:58 a.m.

1 stop24h 58m

Greenville

Sun 8/2

5:45 p.m.-12:38 a.m.

2 stops30h 53m

C$ 537

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sat 31/1

11:30 a.m.-9:36 p.m.

1 stop10h 06m

Greenville

Sat 7/2

7:50 a.m.-4:03 p.m.

1 stop8h 13m

C$ 566

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

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

1 stop12h 06m

Greenville

Fri 24/4

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

1 stop13h 41m

C$ 658

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

9:34 a.m.-6:14 p.m.

1 stop8h 40m

Greenville

Sat 7/2

5:40 a.m.-11:45 a.m.

1 stop6h 05m

C$ 660

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

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

1 stop14h 47m

Greenville

Sun 25/1

10:00 a.m.-3:16 p.m.

1 stop5h 16m

C$ 693

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

2:13 p.m.-7:29 p.m.

1 stop5h 16m

Greenville

Sat 7/2

6:35 a.m.-2:00 p.m.

1 stop7h 25m

C$ 693

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 18 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$ 169). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of C$ 559). 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 12h 06m. Delta provides one of the quickest options available for as low as C$ 658. 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$ 169). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of C$ 559). 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 5 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 384AverageC$ 468FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 409AverageC$ 419FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 415AverageC$ 598FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 470AverageC$ 715FlexibilityNo 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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