Find flights
When to book
FAQs

Cheap flights from Ontario to Greenville from C$ 261

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GSP
28 Mar — 4 Apr1
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 26 February 2026.

Sun 22/33:40 p.m.
YYZ
-
GSP
1 stop23h 58m
Multiple Airlines
Sun 29/32:57 p.m.
GSP
-
YYZ
1 stop23h 23m
Multiple Airlines
Deal found 22/2C$ 497
Mon 23/37:15 a.m.
YYZ
-
GSP
1 stop12h 23m
Multiple Airlines
Mon 30/38:18 p.m.
GSP
-
YYZ
1 stop27h 56m
Multiple Airlines
Deal found 23/2C$ 504
Thu 9/47:35 a.m.
YYZ
-
GSP
1 stop13h 32m
Multiple Airlines
Thu 16/42:12 p.m.
GSP
-
YYZ
1 stop7h 07m
Multiple Airlines
Deal found 23/2C$ 528
Sat 11/41:15 p.m.
YYZ
-
GSP
1 stop9h 48m
American Airlines
Sat 18/47:30 a.m.
GSP
-
YYZ
1 stop10h 13m
American Airlines
Deal found 25/2C$ 552
Wed 1/41:10 p.m.
YYZ
-
GSP
1 stop10h 32m
American Airlines
Sun 5/47:20 a.m.
GSP
-
YYZ
1 stop10h 16m
American Airlines
Deal found 23/2C$ 572
Tue 12/57:55 a.m.
YYZ
-
GSP
1 stop14h 29m
Delta
Mon 18/53:59 p.m.
GSP
-
YYZ
1 stop7h 42m
Delta
Deal found 24/2C$ 579
Thu 16/47:41 p.m.
YUL
-
GSP
1 stop22h 38m
Delta
Mon 20/46:59 p.m.
GSP
-
YUL
1 stop13h 41m
Delta
Deal found 24/2C$ 582
Tue 24/39:20 a.m.
YUL
-
GSP
1 stop8h 21m
Delta
Tue 31/36:21 p.m.
GSP
-
YUL
1 stop14h 09m
Delta
Deal found 24/2C$ 610
Thu 9/47:29 a.m.
YUL
-
GSP
1 stop16h 28m
American Airlines
Thu 16/47:00 a.m.
GSP
-
YUL
1 stop5h 18m
American Airlines
Deal found 23/2C$ 639
Tue 24/39:25 a.m.
YUL
-
GSP
1 stop24h 36m
United Airlines
Tue 31/312:33 p.m.
GSP
-
YUL
2 stops11h 40m
United Airlines
Deal found 24/2C$ 687
Thu 16/46:45 a.m.
YUL
-
GSP
2 stops10h 55m
WestJet
Mon 20/46:26 p.m.
GSP
-
YUL
1 stop4h 42m
WestJet
Deal found 25/2C$ 798
Fri 17/41:03 p.m.
YUL
-
GSP
2 stops10h 54m
American Airlines
Sun 19/45:20 a.m.
GSP
-
YUL
2 stops6h 58m
American Airlines
Deal found 25/2C$ 812

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 26 February 2026.

Round-trip from

C$ 497

One-way from

C$ 261

Popular in

September

Cheapest in

April

Average price

C$ 682
22/3-29/3
  • 22/3-29/3
  • 2 total stops
  • 47h 21m total
  • Ontario to Greenville
Search Deals
9/4
  • 9/4
  • 1 total stop
  • 13h 32m total
  • Ontario to Greenville
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 166 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 27 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 26 February 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

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sun 22/3

3:40 p.m.-3:38 p.m.

1 stop23h 58m

Greenville

Sun 29/3

2:57 p.m.-2:20 p.m.

1 stop23h 23m

C$ 497

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Thu 9/4

7:35 a.m.-9:07 p.m.

1 stop13h 32m

Greenville

Thu 16/4

2:12 p.m.-9:19 p.m.

1 stop7h 07m

C$ 528

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Tue 12/5

7:55 a.m.-10:24 p.m.

1 stop14h 29m

Greenville

Mon 18/5

3:59 p.m.-11:41 p.m.

1 stop7h 42m

C$ 579

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Thu 16/4

7:41 p.m.-6:19 p.m.

1 stop22h 38m

Greenville

Mon 20/4

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

1 stop13h 41m

C$ 582

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sat 11/4

5:25 p.m.-11:57 p.m.

2 stops6h 32m

Greenville

Sat 18/4

7:30 a.m.-5:43 p.m.

1 stop10h 13m

C$ 597

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

9:20 a.m.-5:41 p.m.

1 stop8h 21m

Greenville

Tue 31/3

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

1 stop14h 09m

C$ 610

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Fri 17/4

7:45 a.m.-7:38 p.m.

1 stop11h 53m

Greenville

Sun 19/4

5:20 a.m.-1:52 p.m.

1 stop8h 32m

C$ 639

MontrealGreenville

YUL - GSP

YULGSP

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

7:29 a.m.-11:57 p.m.

1 stop16h 28m

Greenville

Thu 16/4

7:00 a.m.-12:18 p.m.

1 stop5h 18m

C$ 639

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sat 9/5

6:10 a.m.-3:54 p.m.

1 stop9h 44m

Greenville

Fri 10/7

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

1 stop4h 14m

C$ 658

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Tue 12/5

11:10 a.m.-7:15 p.m.

1 stop8h 05m

Greenville

Mon 18/5

6:00 a.m.-2:43 p.m.

1 stop8h 43m

C$ 668

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/2

Showing 1-10 of 28 resultsSorted by cheapest first
1
2
3

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$ 186). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of C$ 557). 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 6h 32m. Delta provides one of the quickest options available for as low as C$ 597. 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$ 186). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of C$ 557). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Greenville

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Charlotte flights
Pearson Intl to Charleston flights
Pearson Intl to Myrtle Beach flights
Pierre Elliott Trudeau Intl to Charlotte flights
Pearson Intl to Savannah flights
Vancouver Intl to Charlotte flights
Pierre Elliott Trudeau Intl to Myrtle Beach flights
Vancouver Intl to Charleston flights
Toronto Island to Myrtle Beach flights
Pierre Elliott Trudeau Intl to Charleston flights
Pierre Elliott Trudeau Intl to Savannah flights
Toronto Island to Charlotte flights
Halifax to Charleston flights
Calgary to Charlotte flights
Pearson Intl to Hilton Head Island flights
Edmonton to Charleston flights
Ottawa to Charlotte flights
Edmonton to Charlotte flights
Vancouver Intl to Savannah flights
Pearson Intl to Greenville flights
Pearson Intl to Columbia flights
Halifax to Myrtle Beach flights
Calgary to Charleston flights
Ottawa to Myrtle Beach flights
Calgary to Savannah flights
Pierre Elliott Trudeau Intl to Columbia flights
Victoria to Charlotte flights
Winnipeg to Charlotte flights
Winnipeg to Myrtle Beach flights
Québec City to Myrtle Beach flights
Edmonton to Savannah flights
Calgary to Myrtle Beach flights
Kelowna to Charlotte flights
Edmonton to Myrtle Beach flights
Victoria to Myrtle Beach flights
Regina to Greenville flights
Québec City to Charleston flights
Pierre Elliott Trudeau Intl to Greenville flights
Moncton to Charlotte flights
Vancouver Intl to Myrtle Beach flights
Vancouver Intl to Hilton Head Island flights
Halifax to Charlotte flights
Pierre Elliott Trudeau Intl to Augusta flights
Ottawa to Savannah flights
London to Myrtle Beach flights
Victoria to Savannah flights
Calgary to Augusta flights

Top airline flying from Ontario to Greenville

Discover the top airline 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 26 February 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 471AverageC$ 742FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.