Find flights
When to book
Airlines
FAQs

Cheap flights from Greenville to Ontario from C$ 230

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — YYZ
2 Apr — 9 Apr1
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 28 March 2025.

Round-trip from

C$ 499

One-way from

C$ 230

Popular in

January

Cheapest in

February

Average price

C$ 625
American Airlines
  • American Airlines
  • 9/5-10/5
  • 2 total stops
  • 21h 35m total
  • Greenville to Ontario
American Airlines
  • American Airlines
  • 20/4
  • 1 total stop
  • 7h 40m total
  • Greenville to Ontario
High demand for flights, 11% potential price rise
Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
Average for round-trip flights in March 2025

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 28 March 2025.

Fri 9/58:35 p.m.GSP - YUL
1 stop17h 09mAmerican Airlines
Sat 10/54:00 p.m.YUL - GSP
1 stop4h 26mAmerican Airlines
Deal found 27/3C$ 499
Thu 26/67:45 p.m.GSP - YYZ
1 stop4h 09mMultiple Airlines
Sun 29/67:47 p.m.YYZ - GSP
1 stop14h 05mMultiple Airlines
Deal found 27/3C$ 535
Sun 27/46:50 a.m.GSP - YYZ
1 stop5h 25mAir Canada
Thu 1/55:30 p.m.YYZ - GSP
1 stop5h 30mAir Canada
Deal found 27/3C$ 537
Tue 22/43:35 p.m.GSP - YUL
1 stop5h 51mDelta
Mon 28/46:00 a.m.YUL - GSP
1 stop8h 35mDelta
Deal found 27/3C$ 545
Sun 27/46:00 a.m.GSP - YUL
1 stop11h 50mMultiple Airlines
Sat 3/52:10 p.m.YUL - GSP
2 stops19h 59mMultiple Airlines
Deal found 27/3C$ 560
Fri 2/56:00 a.m.GSP - YYZ
1 stop8h 19mUnited Airlines
Sat 10/512:05 p.m.YYZ - GSP
2 stops10h 55mUnited Airlines
Deal found 26/3C$ 585
Sun 25/512:30 p.m.GSP - YUL
1 stop10h 46mWestJet
Fri 30/56:00 a.m.YUL - GSP
1 stop4h 19mWestJet
Deal found 27/3C$ 585
Sun 27/46:50 a.m.GSP - YUL
2 stops11h 31mAir Canada
Sat 3/52:10 p.m.YUL - GSP
2 stops8h 50mAir Canada
Deal found 27/3C$ 610
Wed 24/911:50 a.m.GSP - YYZ
1 stop8h 47mDelta
Tue 7/106:15 a.m.YYZ - GSP
1 stop8h 02mDelta
Deal found 27/3C$ 687
Fri 2/55:46 a.m.GSP - YYZ
2 stops15h 08mWestJet
Sat 10/58:00 p.m.YYZ - GSP
2 stops14h 36mWestJet
Deal found 26/3C$ 708
Thu 24/46:00 a.m.GSP - YUL
2 stops11h 50mUnited Airlines
Sun 27/48:00 p.m.YUL - GSP
2 stops18h 12mUnited Airlines
Deal found 27/3C$ 792
Sat 23/88:05 a.m.GSP - YYZ
1 stop9h 20mAmerican Airlines
Tue 26/81:20 p.m.YYZ - GSP
1 stop8h 03mAmerican Airlines
Deal found 27/3C$ 812

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 28 March 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 9/5

8:35 p.m.-1:44 p.m.

1 stop17h 09m

Montreal Pierre Elliott Trudeau Intl

Sat 10/5

4:00 p.m.-8:26 p.m.

1 stop4h 26m

C$ 499

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Thu 26/6

7:45 p.m.-11:54 p.m.

1 stop4h 09m

Toronto Pearson Intl

Sun 29/6

7:47 p.m.-9:52 a.m.

1 stop14h 05m

C$ 535

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Sun 27/4

6:50 a.m.-12:15 p.m.

1 stop5h 25m

Toronto Pearson Intl

Thu 1/5

5:30 p.m.-11:00 p.m.

1 stop5h 30m

C$ 537

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Tue 22/4

3:35 p.m.-9:26 p.m.

1 stop5h 51m

Montreal Pierre Elliott Trudeau Intl

Mon 28/4

6:00 a.m.-2:35 p.m.

1 stop8h 35m

C$ 545

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Sun 27/4

6:00 a.m.-5:50 p.m.

1 stop11h 50m

Montreal Pierre Elliott Trudeau Intl

Sat 3/5

2:10 p.m.-10:09 a.m.

2 stops19h 59m

C$ 560

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Fri 2/5

6:00 a.m.-2:19 p.m.

1 stop8h 19m

Toronto Pearson Intl

Sat 10/5

12:05 p.m.-11:00 p.m.

2 stops10h 55m

C$ 585

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Sun 25/5

12:30 p.m.-11:16 p.m.

1 stop10h 46m

Montreal Pierre Elliott Trudeau Intl

Fri 30/5

6:00 a.m.-10:19 a.m.

1 stop4h 19m

C$ 585

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Sun 27/4

6:50 a.m.-6:21 p.m.

2 stops11h 31m

Montreal Pierre Elliott Trudeau Intl

Sat 3/5

2:10 p.m.-11:00 p.m.

2 stops8h 50m

C$ 610

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Wed 24/9

11:50 a.m.-8:37 p.m.

1 stop8h 47m

Toronto Pearson Intl

Tue 7/10

6:15 a.m.-2:17 p.m.

1 stop8h 02m

C$ 687

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Fri 2/5

5:46 a.m.-8:54 p.m.

2 stops15h 08m

Toronto Pearson Intl

Sat 10/5

8:00 p.m.-10:36 a.m.

2 stops14h 36m

C$ 708

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/3

Showing 1-10 of 21 results
1
2
3

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.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 28 March 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Greenville to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 American Airlines. According to our data, you can fly for as low as C$ 230. Users have also found prices from C$ 277 and C$ 323 on United Airlines 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

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 Greenville to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

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 Greenville to Ontario?

Deals for Greenville to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Greenville to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Greenville to Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Greenville to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from Greenville? 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 Greenville to Ontario become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.