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Cheap flights from Greenville to Ontario from C$ 182

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — YYZ
4 Aug — 11 Aug1
1 adult

Cheap flight deals from Greenville to Ontario

Keep the following information in mind while searching for Greenville to Ontario flight deals. Data was last updated 30 July 2025.

Round-trip from

C$ 512

One-way from

C$ 182

Popular in

September

Cheapest in

February

Average price

C$ 720
12/9-19/9
  • 12/9-19/9
  • 3 total stops
  • 30h 55m total
  • Greenville to Ontario
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11/9
  • 11/9
  • 1 total stop
  • 28h 34m total
  • Greenville to Ontario
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 40 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Greenville to Ontario

Cheapest flights from Greenville to Ontario
Explore the most affordable flight options available from Greenville to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Fri 15/82:50 p.m.GSP - YYZ
1 stop8h 57mMultiple Airlines
Mon 18/87:45 a.m.YYZ - GSP
1 stop9h 12mMultiple Airlines
Deal found 30/7C$ 470
Fri 12/97:26 p.m.GSP - YUL
1 stop18h 54mMultiple Airlines
Fri 19/96:45 a.m.YUL - GSP
2 stops12h 01mMultiple Airlines
Deal found 29/7C$ 512
Sat 15/116:12 a.m.GSP - YYZ
1 stop9h 52mAmerican Airlines
Wed 19/1111:32 a.m.YYZ - GSP
1 stop8h 28mAmerican Airlines
Deal found 29/7C$ 612
Tue 26/83:20 p.m.GSP - YYZ
1 stop8h 23mDelta
Tue 2/96:15 a.m.YYZ - GSP
1 stop8h 23mDelta
Deal found 29/7C$ 630
Thu 6/116:25 a.m.GSP - YUL
1 stop9h 41mDelta
Mon 10/116:15 p.m.YUL - GSP
1 stop5h 22mDelta
Deal found 29/7C$ 724
Mon 25/82:51 p.m.GSP - YYZ
1 stop19h 13mUnited Airlines
Fri 29/812:15 p.m.YYZ - GSP
1 stop26h 01mUnited Airlines
Deal found 29/7C$ 763
Sat 13/96:02 a.m.GSP - YUL
1 stop13h 43mUnited Airlines
Sat 20/911:23 a.m.YUL - GSP
1 stop5h 42mUnited Airlines
Deal found 30/7C$ 819
Sun 14/95:46 p.m.GSP - YUL
1 stop16h 12mAmerican Airlines
Sun 21/910:34 a.m.YUL - GSP
1 stop12h 11mAmerican Airlines
Deal found 30/7C$ 923
Thu 6/112:55 p.m.GSP - YUL
2 stops5h 54mAir Canada
Sun 9/1111:30 a.m.YUL - GSP
2 stops7h 40mAir Canada
Deal found 29/7C$ 1,159

Cheapflights Fare Finder

 
Customize your flight search to find flights from Greenville to Ontario 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 30 July 2025.
Use the filters below to find and compare flights from Greenville to Ontario that are best for you.

Fly from

Greenville

Fly to

Ontario

Route

Depart

Return

Price

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Fri 12/9

7:26 p.m.-2:20 p.m.

1 stop18h 54m

Montreal Pierre Elliott Trudeau Intl

Fri 19/9

6:45 a.m.-6:46 p.m.

2 stops12h 01m

C$ 512

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Fri 22/8

2:50 p.m.-11:47 p.m.

1 stop8h 57m

Toronto Pearson Intl

Sun 24/8

7:45 a.m.-8:28 p.m.

1 stop12h 43m

C$ 601

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Sat 15/11

6:12 a.m.-4:04 p.m.

1 stop9h 52m

Toronto Pearson Intl

Wed 19/11

11:32 a.m.-8:00 p.m.

1 stop8h 28m

C$ 612

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Tue 26/8

3:20 p.m.-11:43 p.m.

1 stop8h 23m

Toronto Pearson Intl

Tue 2/9

2:30 p.m.-11:42 p.m.

1 stop9h 12m

C$ 630

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Thu 6/11

6:25 a.m.-4:06 p.m.

1 stop9h 41m

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

12:45 p.m.-9:21 p.m.

1 stop8h 36m

C$ 724

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Mon 25/8

2:51 p.m.-10:04 a.m.

1 stop19h 13m

Toronto Pearson Intl

Fri 29/8

12:15 p.m.-2:16 p.m.

1 stop26h 01m

C$ 763

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Thu 9/10

5:52 p.m.-9:50 a.m.

1 stop15h 58m

Montreal Pierre Elliott Trudeau Intl

Tue 14/10

10:30 a.m.-10:37 p.m.

1 stop12h 07m

C$ 763

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Sat 13/9

6:02 a.m.-7:45 p.m.

1 stop13h 43m

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

11:23 a.m.-5:05 p.m.

1 stop5h 42m

C$ 819

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Thu 6/11

6:00 a.m.-3:34 p.m.

2 stops9h 34m

Montreal Pierre Elliott Trudeau Intl

Mon 10/11

11:30 a.m.-7:10 p.m.

2 stops7h 40m

C$ 1,159

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Thu 11/9

4:47 p.m.-9:21 p.m.

1 stop28h 34m

C$ 182

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 17 results
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Best time to book a flight from Greenville to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Greenville 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 Greenville to Ontario

What is the cheapest month to book a flight from Greenville to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Greenville to Region of Ontario (average of C$ 167). Flying from Greenville to Region of Ontario in July is currently the most expensive (average of C$ 258). 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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 30 July 2025.
Check out reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Greenville to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

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
8,896 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

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
7,980 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

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
2,975 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

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
9,837 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

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 Greenville to Ontario. 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 from for flights from Greenville to Ontario?

    If you book a flight to Ontario from Greenville, you will be flying from Greenville, which is the city’s only airport. Greenville (GSP) is located 16.7 km from the centre of Greenville.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as C$ 439. Users have also found prices from C$ 459 and C$ 618 on Delta and WestJet, respectively.

  • Can I find deals for flights from Greenville to Ontario that include hotel bookings?

    Yes. In addition to deals on Greenville to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Greenville to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greenville to Ontario.

  • Can I find deals for business class flights from Greenville to Ontario?

    Yes. Cheapflights offers flight deals from Greenville to Ontario 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 Greenville to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Greenville to Region of Ontario (average of C$ 167). Flying from Greenville to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 Greenville to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Greenville to Ontario?

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