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Cheap flights from Ontario to Greenville from C$ 294

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GSP
8 Jun — 15 Jun1
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 9 May 2026.

Fri 18/98:10 a.m.
YYZ
-
GSP
1 stop9h 13m
Multiple Airlines
Mon 21/93:18 p.m.
GSP
-
YYZ
1 stop22h 47m
Multiple Airlines
Deal found 7/5C$ 491
Fri 19/68:10 a.m.
YYZ
-
GSP
1 stop9h 59m
Multiple Airlines
Mon 22/69:43 p.m.
GSP
-
YYZ
1 stop16h 22m
Multiple Airlines
Deal found 5/5C$ 560
Sat 20/69:50 a.m.
YYZ
-
GSP
1 stop21h 39m
Multiple Airlines
Mon 29/63:06 p.m.
GSP
-
YYZ
1 stop22h 59m
Multiple Airlines
Deal found 8/5C$ 566
Fri 24/78:10 a.m.
YYZ
-
GSP
1 stop11h 23m
Multiple Airlines
Mon 3/83:31 p.m.
GSP
-
YYZ
1 stop22h 34m
Multiple Airlines
Deal found 7/5C$ 589
Mon 22/69:30 a.m.
YYZ
-
GSP
1 stop11h 23m
Multiple Airlines
Mon 29/63:06 p.m.
GSP
-
YYZ
1 stop22h 59m
Multiple Airlines
Deal found 8/5C$ 596
Fri 5/67:45 a.m.
YYZ
-
GSP
1 stop7h 58m
Multiple Airlines
Fri 12/69:43 p.m.
GSP
-
YYZ
1 stop19h 12m
Multiple Airlines
Deal found 7/5C$ 666
Mon 1/66:55 p.m.
YYZ
-
GSP
1 stop15h 00m
United Airlines
Fri 5/67:40 p.m.
GSP
-
YYZ
1 stop4h 14m
United Airlines
Deal found 6/5C$ 705
Wed 3/69:30 a.m.
YUL
-
GSP
1 stop8h 04m
Delta
Wed 10/66:55 p.m.
GSP
-
YUL
2 stops13h 44m
Delta
Deal found 6/5C$ 724
Fri 5/69:30 a.m.
YUL
-
GSP
1 stop8h 04m
Delta
Fri 12/65:16 p.m.
GSP
-
YUL
1 stop6h 39m
Delta
Deal found 8/5C$ 735
Wed 3/69:15 a.m.
YUL
-
GSP
1 stop5h 05m
United Airlines
Wed 10/67:40 p.m.
GSP
-
YUL
1 stop4h 33m
United Airlines
Deal found 6/5C$ 737
Mon 29/67:00 a.m.
YUL
-
GSP
1 stop9h 10m
Delta
Mon 6/75:44 a.m.
GSP
-
YUL
2 stops13h 10m
Delta
Deal found 7/5C$ 738
Thu 2/77:44 p.m.
YUL
-
GSP
1 stop14h 28m
Delta
Wed 8/76:10 p.m.
GSP
-
YUL
1 stop14h 22m
Delta
Deal found 7/5C$ 739

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 9 May 2026.

Round-trip from

C$ 491

One-way from

C$ 297

Popular in

March

Cheapest in

May

Average price

C$ 470
18/9-21/9
  • 18/9-21/9
  • 2 total stops
  • 32h 00m total
  • Ontario to Greenville
Search Deals
20/5
  • 20/5
  • 1 total stop
  • 21h 43m total
  • Ontario to Greenville
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 224 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 62 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 9 May 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

Fri 18/9

8:10 a.m.-5:23 p.m.

1 stop9h 13m

Greenville

Mon 21/9

3:18 p.m.-2:05 p.m.

1 stop22h 47m

C$ 491

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sat 20/6

9:50 a.m.-7:29 a.m.

1 stop21h 39m

Greenville

Mon 29/6

3:06 p.m.-2:05 p.m.

1 stop22h 59m

C$ 566

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Mon 22/6

9:30 a.m.-8:53 p.m.

1 stop11h 23m

Greenville

Mon 29/6

3:06 p.m.-2:05 p.m.

1 stop22h 59m

C$ 596

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Mon 8/6

6:15 a.m.-2:18 p.m.

1 stop8h 03m

Greenville

Sun 14/6

7:00 a.m.-11:59 a.m.

1 stop4h 59m

C$ 642

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Mon 1/6

7:43 p.m.-9:55 a.m.

1 stop14h 12m

Greenville

Fri 5/6

7:40 p.m.-11:54 p.m.

1 stop4h 14m

C$ 666

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Thu 11/6

9:35 a.m.-2:20 p.m.

1 stop4h 45m

Greenville

Mon 15/6

7:49 p.m.-9:19 a.m.

1 stop13h 30m

C$ 712

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

9:30 a.m.-5:34 p.m.

1 stop8h 04m

Greenville

Wed 10/6

6:55 p.m.-8:39 a.m.

2 stops13h 44m

C$ 724
Quickest round-trip

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

9:15 a.m.-2:20 p.m.

1 stop5h 05m

Greenville

Wed 10/6

7:40 p.m.-12:13 a.m.

1 stop4h 33m

C$ 737

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Tue 21/7

9:30 a.m.-5:30 p.m.

1 stop8h 00m

Greenville

Mon 3/8

7:07 p.m.-8:39 a.m.

2 stops13h 32m

C$ 738

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Tue 14/7

9:30 a.m.-10:35 p.m.

1 stop13h 05m

Greenville

Tue 28/7

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

1 stop7h 39m

C$ 738

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

Showing 1-10 of 42 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$ 265). Flying from Region of Ontario to Greenville in December is currently the most expensive (average of C$ 739). 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 8h 03m. American Airlines provides one of the quickest options available for as low as C$ 642. 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, August is the cheapest month in which you can book a flight from Region of Ontario to Greenville (average of C$ 265). Flying from Region of Ontario to Greenville in December is currently the most expensive (average of C$ 739). 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 9 May 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 616AverageC$ 675FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 702AverageC$ 975FlexibilityNo 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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