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Greenville

$178+ Cheap flights from Ontario to Greenville (GSP)

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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GSP
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Ontario to Greenville

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 February 5, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1910:05 am
YYZ
-
GSP
1 stop10h 51m
Multiple Airlines
Thu 3/269:46 pm
GSP
-
YYZ
1 stop25h 34m
Multiple Airlines
Deal found 2/2$394
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/611:40 am
YYZ
-
GSP
1 stop10h 34m
American Airlines
Sun 3/87:20 am
GSP
-
YYZ
1 stop8h 43m
American Airlines
Deal found 2/3$418
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/127:45 am
YYZ
-
GSP
1 stop26h 01m
Multiple Airlines
Mon 8/104:57 pm
GSP
-
YYZ
1 stop21h 08m
Multiple Airlines
Deal found 2/1$445
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/127:45 am
YYZ
-
GSP
1 stop26h 01m
Multiple Airlines
Fri 8/74:57 pm
GSP
-
YYZ
1 stop21h 08m
Multiple Airlines
Deal found 2/1$454
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/139:30 am
YYZ
-
GSP
1 stop6h 59m
Multiple Airlines
Mon 8/104:57 pm
GSP
-
YYZ
1 stop21h 08m
Multiple Airlines
Deal found 2/1$486
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/411:40 am
YYZ
-
GSP
1 stop10h 34m
American Airlines
Mon 4/67:40 am
GSP
-
YYZ
1 stop9h 56m
American Airlines
Deal found 2/2$495
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:10 am
YYZ
-
GSP
1 stop9h 26m
United Airlines
Thu 2/266:30 am
GSP
-
YYZ
1 stop7h 31m
United Airlines
Deal found 2/2$506
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/64:35 pm
YYZ
-
GSP
2 stops21h 42m
United Airlines
Sun 3/86:15 am
GSP
-
YYZ
1 stop7h 28m
United Airlines
Deal found 2/3$513
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:15 am
YYZ
-
GSP
1 stop8h 28m
Multiple Airlines
Mon 8/104:57 pm
GSP
-
YYZ
1 stop21h 08m
Multiple Airlines
Deal found 2/1$521
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:00 am
YQT
-
GSP
2 stops16h 59m
United Airlines
Thu 2/2610:00 am
GSP
-
YQT
2 stops13h 05m
United Airlines
Deal found 2/2$701

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 February 5, 2026.

Round-trip from

$394
(Kiwi.com)

One-way from

$178
(Kiwi.com)

Popular in

September

Cheapest in

April

Average price

$397
From Ontario to Greenville
Search Deals
One-way flight from Ontario to Greenville
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 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 2,558,603 searches. Data last updated February 5, 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

Thu 3/19

8:20 pm-2:41 pm

2 stops18h 21m

Greenville

Thu 3/26

9:46 pm-11:20 pm

1 stop25h 34m

$467

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Mon 7/13

9:30 am-4:29 pm

1 stop6h 59m

Greenville

Mon 8/10

4:57 pm-2:05 pm

1 stop21h 08m

$486

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sun 7/12

7:45 am-9:46 am

1 stop26h 01m

Greenville

Mon 8/10

8:28 pm-2:05 pm

2 stops17h 37m

$488

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Mon 7/13

9:30 am-4:29 pm

1 stop6h 59m

Greenville

Fri 8/7

4:57 pm-2:05 pm

1 stop21h 08m

$495

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Tue 2/24

6:10 am-3:36 pm

1 stop9h 26m

Greenville

Thu 2/26

6:30 am-2:01 pm

1 stop7h 31m

$506

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Tue 2/17

8:45 am-8:41 pm

1 stop11h 56m

Greenville

Fri 2/20

6:12 am-1:43 pm

1 stop7h 31m

$507

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Fri 3/6

4:35 pm-2:17 pm

2 stops21h 42m

Greenville

Sun 3/8

6:15 am-1:43 pm

1 stop7h 28m

$513

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sat 7/11

3:59 pm-10:26 am

2 stops18h 27m

Greenville

Sat 8/8

5:45 am-4:03 pm

2 stops10h 18m

$526

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Thu 7/9

6:15 am-2:17 pm

1 stop8h 02m

Greenville

Thu 8/6

11:10 am-3:18 pm

1 stop4h 08m

$531

Thunder BayGreenville

YQT - GSP

YQTGSP

Thunder Bay

Mon 2/23

5:00 am-9:59 pm

2 stops16h 59m

Greenville

Thu 2/26

10:00 am-11:05 pm

2 stops13h 05m

$701

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 19 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, July is the cheapest month in which you can book a flight from Region of Ontario to Greenville (average of $142). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of $416). 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 10.4 mi from the city center, 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?

    There are many flights that can get you from Region of Ontario to Greenville in 9h 26m. Fly via United Airlines to get the fastest option. The distance between Region of Ontario and Greenville is about 622 mi.

  • 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, July is the cheapest month in which you can book a flight from Region of Ontario to Greenville (average of $142). Flying from Region of Ontario to Greenville in January is currently the most expensive (average of $416). 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

Traveling to a place near Greenville?

Book flights to Greenville if you plan to visit one of these locations
Simpsonville
Duncan
Greer
Seneca
Anderson

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