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Greenville

$269+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GSP
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$301
(Kiwi.com)

One-way from

$269
(United Airlines)

Popular in

January

Cheapest in

November

Average price

$384
From Ontario to Greenville
Search Deals
One-way flight from Ontario to Greenville
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($89 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/11. 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 9/197:15 amYYZ - GSP
1 stop11h 31mMultiple Airlines
Fri 10/38:26 amGSP - YYZ
1 stop12h 55mMultiple Airlines
Deal found 6/11$301
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/810:00 amYYZ - GSP
1 stop4h 38mDelta
Tue 7/156:00 amGSP - YYZ
2 stops16h 58mDelta
Deal found 6/10$448
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/127:15 amYYZ - GSP
1 stop9h 38mAmerican Airlines
Sat 7/197:08 amGSP - YYZ
1 stop9h 26mAmerican Airlines
Deal found 6/11$460
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/194:40 pmYYZ - GSP
2 stops21h 36mUnited Airlines
Fri 10/39:35 amGSP - YYZ
2 stops12h 37mUnited Airlines
Deal found 6/11$476
This WestJet deal was found by Cheapflights users on 6/10. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/306:30 amYYZ - GSP
1 stop4h 07mWestJet
Mon 9/16:30 amGSP - YYZ
2 stops12h 22mWestJet
Deal found 6/10$591

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 June 12, 2025.
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

Fri 9/19

7:15 am-6:46 pm

1 stop11h 31m

Greenville

Fri 10/3

8:26 am-9:21 pm

1 stop12h 55m

$301

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Tue 7/8

10:00 am-2:38 pm

1 stop4h 38m

Greenville

Tue 7/15

6:00 am-10:58 pm

2 stops16h 58m

$448

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sat 7/12

7:15 am-4:53 pm

1 stop9h 38m

Greenville

Sat 7/19

7:08 am-4:34 pm

1 stop9h 26m

$460

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Fri 9/19

6:35 pm-9:11 pm

1 stop26h 36m

Greenville

Fri 10/3

2:46 pm-9:58 am

2 stops19h 12m

$476

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Sat 8/30

6:30 am-10:37 am

1 stop4h 07m

Greenville

Mon 9/1

6:30 am-6:52 pm

2 stops12h 22m

$591

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Fri 7/25

6:00 pm-11:43 pm

1 stop5h 43m

$269

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Wed 6/25

6:15 am-2:14 pm

1 stop7h 59m

$287

TorontoGreenville

YYZ - GSP

YYZGSP

Toronto Pearson Intl

Tue 6/24

12:30 am-12:22 pm

2 stops11h 52m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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, January is the cheapest month in which you can book a flight from Region of Ontario to Greenville (average of $329). Flying from Region of Ontario to Greenville in March is currently the most expensive (average of $386). 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.

What is the cheapest time of day to fly from ON to GSP?

Find hourly flight availability from Ontario to Greenville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Greenville as you normally would.

Rainfall in Greenville by month

Plan your trip to Greenville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Greenville ranges from 3.6 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. November is typically the driest time to visit Greenville when rainfall is around 3.6 in.

Temperature in Greenville by month

Plan your trip to Greenville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Greenville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Greenville

Get insights into the airlines that provide service to Greenville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Greenville. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,537 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Region of Ontario to Greenville one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $269. Users have also found prices from $287 and $527 on Delta and Air Canada, respectively.

  • 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, January is the cheapest month in which you can book a flight from Region of Ontario to Greenville (average of $329). Flying from Region of Ontario to Greenville in March is currently the most expensive (average of $386). 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 Ontario?

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

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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 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$269Average$489FlexibilityNo cancel feeOn-time71%

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