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Cheap flights from Ontario to Greenville from C$ 242

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 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GSP
18 Mar — 25 Mar1
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 16 February 2026.

Mon 6/47:15 a.m.
YYZ
-
GSP
1 stop12h 23m
Multiple Airlines
Fri 10/45:43 p.m.
GSP
-
YYZ
1 stop29h 37m
Multiple Airlines
Deal found 12/2C$ 531
Mon 16/310:58 a.m.
YYZ
-
GSP
1 stop8h 09m
American Airlines
Wed 18/37:07 a.m.
GSP
-
YYZ
1 stop9h 34m
American Airlines
Deal found 13/2C$ 547
Wed 1/41:10 p.m.
YYZ
-
GSP
1 stop10h 32m
American Airlines
Sun 5/411:28 a.m.
GSP
-
YYZ
1 stop10h 01m
American Airlines
Deal found 15/2C$ 581
Mon 16/31:10 p.m.
YYZ
-
GSP
1 stop10h 32m
American Airlines
Sat 28/37:40 a.m.
GSP
-
YYZ
1 stop8h 23m
American Airlines
Deal found 13/2C$ 583
Mon 16/36:00 a.m.
YYZ
-
GSP
1 stop8h 56m
Delta
Sat 28/35:40 a.m.
GSP
-
YYZ
2 stops11h 44m
Delta
Deal found 13/2C$ 604
Wed 1/411:30 p.m.
YYZ
-
GSP
2 stops16h 16m
Multiple Airlines
Sun 5/44:55 p.m.
GSP
-
YYZ
1 stop6h 54m
Multiple Airlines
Deal found 15/2C$ 614
Wed 25/36:45 p.m.
YUL
-
GSP
1 stop5h 09m
Delta
Fri 27/36:21 p.m.
GSP
-
YUL
1 stop14h 09m
Delta
Deal found 14/2C$ 637
Thu 4/62:29 p.m.
YUL
-
GSP
1 stop8h 05m
Delta
Mon 8/65:05 p.m.
GSP
-
YUL
1 stop6h 51m
Delta
Deal found 13/2C$ 639
Thu 5/32:25 p.m.
YYZ
-
GSP
1 stop7h 48m
Delta
Wed 11/311:40 a.m.
GSP
-
YYZ
1 stop6h 09m
Delta
Deal found 13/2C$ 641
Fri 13/33:51 p.m.
YYZ
-
GSP
1 stop6h 31m
American Airlines
Fri 20/36:00 a.m.
GSP
-
YYZ
1 stop4h 18m
American Airlines
Deal found 13/2C$ 654
Mon 16/37:00 a.m.
YUL
-
GSP
1 stop9h 56m
Delta
Thu 19/38:30 a.m.
GSP
-
YUL
1 stop9h 01m
Delta
Deal found 15/2C$ 668
Tue 10/36:00 a.m.
YYZ
-
GSP
2 stops13h 37m
Delta
Sat 14/37:30 a.m.
GSP
-
YYZ
1 stop7h 38m
Delta
Deal found 14/2C$ 688

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 16 February 2026.

Round-trip from

C$ 524

One-way from

C$ 242

Popular in

September

Cheapest in

April

Average price

C$ 678
American Airlines
  • American Airlines
  • 11/3-18/3
  • 2 total stops
  • 20h 41m total
  • Ontario to Greenville
Search Deals
30/3
  • 30/3
  • 1 total stop
  • 12h 23m total
  • Ontario to Greenville
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 164 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 16 February 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 6/4

7:15 a.m.-7:38 p.m.

1 stop12h 23m

Greenville

Fri 10/4

5:43 p.m.-11:20 p.m.

1 stop29h 37m

C$ 531

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Mon 16/3

10:58 a.m.-7:07 p.m.

1 stop8h 09m

Greenville

Wed 18/3

7:07 a.m.-4:41 p.m.

1 stop9h 34m

C$ 547

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Wed 1/4

1:10 p.m.-11:42 p.m.

1 stop10h 32m

Greenville

Sun 5/4

11:28 a.m.-9:29 p.m.

1 stop10h 01m

C$ 581

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Mon 16/3

1:10 p.m.-11:42 p.m.

1 stop10h 32m

Greenville

Sat 28/3

7:40 a.m.-4:03 p.m.

1 stop8h 23m

C$ 583

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Mon 16/3

6:00 a.m.-2:56 p.m.

1 stop8h 56m

Greenville

Sat 28/3

5:40 a.m.-5:24 p.m.

2 stops11h 44m

C$ 604

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Wed 1/4

11:30 p.m.-3:46 p.m.

2 stops16h 16m

Greenville

Sun 5/4

4:55 p.m.-11:49 p.m.

1 stop6h 54m

C$ 614

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Tue 9/6

11:01 a.m.-9:15 p.m.

1 stop10h 14m

Greenville

Tue 23/6

6:14 a.m.-2:30 p.m.

1 stop8h 16m

C$ 626

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Wed 25/3

6:45 p.m.-11:54 p.m.

1 stop5h 09m

Greenville

Fri 27/3

6:21 p.m.-8:30 a.m.

1 stop14h 09m

C$ 637

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

12:42 p.m.-6:54 p.m.

1 stop6h 12m

Greenville

Fri 17/4

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

1 stop7h 39m

C$ 637

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

2:29 p.m.-10:34 p.m.

1 stop8h 05m

Greenville

Mon 8/6

5:05 p.m.-11:56 p.m.

1 stop6h 51m

C$ 639

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/2

Showing 1-10 of 38 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$ 185). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of C$ 554). 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 09m. American Airlines provides one of the quickest options available for as low as C$ 547. 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$ 185). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of C$ 554). 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 16 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 381AverageC$ 464FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 411AverageC$ 592FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 415AverageC$ 415FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 468AverageC$ 737FlexibilityNo 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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