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Cheap flights from Ontario to Greenville from C$ 235

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 26/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GSP
13 Feb — 20 Feb1
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 14 January 2026.

Round-trip from

C$ 462

One-way from

C$ 235

Popular in

September

Cheapest in

April
2/3-5/3
  • 2/3-5/3
  • 2 total stops
  • 16h 46m total
  • Ontario to Greenville
Search Deals
26/2
  • 26/2
  • 1 total stop
  • 13h 32m total
  • Ontario to Greenville
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 190 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals

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 14 January 2026.

Mon 9/27:15 a.m.
YYZ
-
GSP
2 stops13h 44m
Multiple Airlines
Mon 16/26:22 p.m.
GSP
-
YYZ
1 stop17h 06m
Multiple Airlines
Deal found 12/1C$ 453
Mon 2/37:00 a.m.
YYZ
-
GSP
1 stop10h 59m
Multiple Airlines
Thu 5/34:41 p.m.
GSP
-
YYZ
2 stops21h 39m
Multiple Airlines
Deal found 11/1C$ 454
Thu 5/28:20 p.m.
YYZ
-
GSP
1 stop23h 18m
Multiple Airlines
Sun 8/24:55 p.m.
GSP
-
YYZ
1 stop6h 59m
Multiple Airlines
Deal found 12/1C$ 455
Thu 12/210:59 a.m.
YYZ
-
GSP
1 stop11h 06m
American Airlines
Wed 18/27:07 a.m.
GSP
-
YYZ
1 stop9h 34m
American Airlines
Deal found 12/1C$ 540
Fri 30/110:59 a.m.
YYZ
-
GSP
1 stop8h 13m
American Airlines
Sat 31/17:16 a.m.
GSP
-
YYZ
1 stop9h 19m
American Airlines
Deal found 12/1C$ 630
Fri 13/23:51 p.m.
YYZ
-
GSP
1 stop6h 17m
American Airlines
Mon 16/27:07 a.m.
GSP
-
YYZ
1 stop9h 34m
American Airlines
Deal found 13/1C$ 632
Tue 10/22:15 p.m.
YUL
-
GSP
1 stop8h 29m
Delta
Tue 17/26:00 a.m.
GSP
-
YUL
1 stop7h 36m
Delta
Deal found 13/1C$ 634
Tue 10/22:13 p.m.
YUL
-
GSP
2 stops20h 03m
United Airlines
Tue 17/26:30 a.m.
GSP
-
YUL
1 stop27h 50m
United Airlines
Deal found 13/1C$ 650
Tue 17/27:00 a.m.
YUL
-
GSP
1 stop9h 32m
Delta
Tue 24/26:00 a.m.
GSP
-
YUL
1 stop7h 36m
Delta
Deal found 14/1C$ 675
Tue 17/26:00 p.m.
YUL
-
GSP
2 stops26h 41m
United Airlines
Tue 24/26:30 a.m.
GSP
-
YUL
1 stop27h 50m
United Airlines
Deal found 14/1C$ 691
Mon 2/27:00 a.m.
YUL
-
GSP
1 stop9h 23m
Delta
Tue 3/26:45 p.m.
GSP
-
YUL
1 stop4h 27m
Delta
Deal found 14/1C$ 694
Mon 2/28:25 a.m.
YUL
-
GSP
2 stops12h 22m
United Airlines
Tue 3/22:55 p.m.
GSP
-
YUL
2 stops16h 37m
United Airlines
Deal found 12/1C$ 732

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 14 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 2/3

7:00 a.m.-5:59 p.m.

1 stop10h 59m

Greenville

Thu 5/3

4:41 p.m.-2:20 p.m.

2 stops21h 39m

C$ 454

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Thu 5/2

8:20 p.m.-7:38 p.m.

1 stop23h 18m

Greenville

Sun 8/2

4:55 p.m.-11:54 p.m.

1 stop6h 59m

C$ 455

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Thu 12/2

10:59 a.m.-10:05 p.m.

1 stop11h 06m

Greenville

Wed 18/2

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

1 stop9h 34m

C$ 540

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Mon 9/2

7:10 a.m.-7:38 p.m.

1 stop12h 28m

Greenville

Mon 16/2

6:22 p.m.-11:28 a.m.

1 stop17h 06m

C$ 544

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Fri 30/1

10:59 a.m.-7:12 p.m.

1 stop8h 13m

Greenville

Sat 31/1

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

1 stop9h 19m

C$ 630

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Fri 13/2

3:51 p.m.-10:08 p.m.

1 stop6h 17m

Greenville

Mon 16/2

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

1 stop9h 34m

C$ 632

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

7:30 p.m.-10:59 a.m.

1 stop15h 29m

Greenville

Fri 24/4

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

1 stop13h 41m

C$ 634

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Fri 13/2

7:00 a.m.-12:14 p.m.

1 stop5h 14m

Greenville

Sun 22/2

7:20 a.m.-5:36 p.m.

1 stop10h 16m

C$ 643

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Tue 10/2

2:13 p.m.-10:16 a.m.

2 stops20h 03m

Greenville

Tue 17/2

6:30 a.m.-10:20 a.m.

1 stop27h 50m

C$ 650

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Tue 24/2

6:10 a.m.-3:36 p.m.

1 stop9h 26m

Greenville

Thu 26/2

12:05 p.m.-5:49 p.m.

1 stop5h 44m

C$ 661

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

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$ 179). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of C$ 578). 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 15h 29m. Delta provides one of the quickest options available for as low as C$ 634. 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$ 179). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of C$ 578). 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

Browse thousands of different options on Cheapflights for your next trip

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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 14 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 389AverageC$ 473FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 413AverageC$ 423FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 419AverageC$ 604FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 478AverageC$ 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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