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$186+ Cheap flights from Greenville (GSP) to Ontario

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — YYZ
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Greenville to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) to Ontario (CAON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$365
(Air Canada)

One-way from

$186
(Kiwi.com)
From Greenville to Ontario
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One-way flight from Greenville to Ontario
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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 January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/3010:03 amGSP - YYZ
1 stop13h 50mMultiple Airlines
Mon 2/37:05 amYYZ - GSP
1 stop9h 13mMultiple Airlines
Deal found 1/20$323
This Air Canada deal was found by Cheapflights users on 1/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/610:35 amGSP - YYZ
1 stop6h 11mAir Canada
Sun 2/93:30 pmYYZ - GSP
1 stop6h 14mAir Canada
Deal found 1/21$365
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/119:08 pmGSP - YOW
2 stops19h 22mMultiple Airlines
Mon 4/145:55 amYOW - GSP
2 stops15h 01mMultiple Airlines
Deal found 1/20$367
This Delta deal was found by Cheapflights users on 1/19. 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.
Wed 2/265:31 pmGSP - YYZ
1 stop6h 21mDelta
Sun 3/25:15 pmYYZ - GSP
1 stop4h 44mDelta
Deal found 1/19$370
This Delta deal was found by Cheapflights users on 1/20. 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.
Thu 2/67:00 amGSP - YUL
1 stop8h 57mDelta
Sun 2/97:00 amYUL - GSP
1 stop9h 27mDelta
Deal found 1/20$370
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/256:30 amGSP - YUL
1 stop12h 17mUnited Airlines
Wed 3/56:30 pmYUL - GSP
1 stop15h 21mUnited Airlines
Deal found 1/21$375
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 2/254:13 pmGSP - YUL
1 stop6h 35mAmerican Airlines
Wed 3/55:35 pmYUL - GSP
2 stops6h 06mAmerican Airlines
Deal found 1/21$385
This Mytrip deal was found by Cheapflights users on 1/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/32:28 pmGSP - YUL
2 stops34h 11mMultiple Airlines
Fri 3/77:00 amYUL - GSP
1 stop8h 05mMultiple Airlines
Deal found 1/21$394
This Justfly.com deal was found by Cheapflights users on 1/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/145:25 pmGSP - YUL
1 stop18h 34mWestJet
Thu 2/205:15 pmYUL - GSP
1 stop4h 52mWestJet
Deal found 1/20$396
This American Airlines deal was found by Cheapflights users on 1/20. 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 3/76:39 amGSP - YYZ
1 stop4h 31mAmerican Airlines
Sun 3/94:10 pmYYZ - GSP
1 stop4h 18mAmerican Airlines
Deal found 1/20$428
This United Airlines deal was found by Cheapflights users on 1/21. 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 3/76:00 amGSP - YYZ
1 stop6h 06mUnited Airlines
Fri 3/142:45 pmYYZ - GSP
1 stop4h 06mUnited Airlines
Deal found 1/21$429
This SmartFares deal was found by Cheapflights users on 1/21. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/65:40 amGSP - YYZ
2 stops15h 15mWestJet
Sun 2/97:00 pmYYZ - GSP
2 stops16h 09mWestJet
Deal found 1/21$453

Find flights from Greenville to Ontario within your budget

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 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Thu 2/6

10:35 am-4:46 pm

1 stop6h 11m

Toronto Pearson Intl

Sun 2/9

3:30 pm-9:44 pm

1 stop6h 14m

$365

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Fri 4/11

9:08 pm-4:30 pm

2 stops19h 22m

Ottawa

Mon 4/14

5:55 am-8:56 pm

2 stops15h 01m

$367

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Wed 2/26

5:31 pm-11:52 pm

1 stop6h 21m

Toronto Pearson Intl

Sun 3/2

5:15 pm-9:59 pm

1 stop4h 44m

$370

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Thu 2/6

7:00 am-3:57 pm

1 stop8h 57m

Montreal Pierre Elliott Trudeau Intl

Sun 2/9

7:00 am-4:27 pm

1 stop9h 27m

$370

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Tue 2/25

6:30 am-6:47 pm

1 stop12h 17m

Montreal Pierre Elliott Trudeau Intl

Wed 3/5

6:30 pm-9:51 am

1 stop15h 21m

$375

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Tue 2/25

4:13 pm-10:48 pm

1 stop6h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 3/5

5:35 pm-11:41 pm

2 stops6h 06m

$385

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Thu 2/6

10:03 am-11:53 pm

1 stop13h 50m

Toronto Pearson Intl

Sun 2/9

8:15 pm-4:18 pm

2 stops20h 03m

$391

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Mon 3/3

2:28 pm-12:39 am

2 stops34h 11m

Montreal Pierre Elliott Trudeau Intl

Fri 3/7

7:00 am-3:05 pm

1 stop8h 05m

$394

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Fri 2/14

5:25 pm-11:59 am

1 stop18h 34m

Montreal Pierre Elliott Trudeau Intl

Thu 2/20

5:15 pm-10:07 pm

1 stop4h 52m

$396

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Fri 3/7

6:39 am-11:10 am

1 stop4h 31m

Toronto Pearson Intl

Sun 3/9

4:10 pm-8:28 pm

1 stop4h 18m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 19 results
1
2

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.

Travel insights for flights from Greenville to Ontario

Get recent, data-driven insights about flights from Greenville to Ontario including ideal travel times, pricing trends, and more.

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 $243). Flying from Greenville to Region of Ontario in July is currently the most expensive (average of $359). 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 GSP to ON?

Find hourly flight availability from Greenville to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

When flying from Greenville to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 January 21, 2025.
Get a feel of what it's like to fly with Air Canada, United Airlines and WestJet from Greenville to Ontario by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
8,984 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

WestJet
7.2
Good
2,829 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

Air Canada
7.0
Good
8,633 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.6

Overall

8.0

Reviews

1 / 10

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?

    Greenville (GSP) is the airport you will fly out of if you book a flight from Greenville to Ontario. It is only a 10.4 mi journey to Greenville (GSP) from Greenville’s city center.

  • What are the most popular routes from Greenville to Region of Ontario?

    While some choose either Greenville - Toronto Pearson Intl or Greenville - Ottawa, Greenville - Montreal Pierre Elliott Trudeau Intl is the most popular route from Greenville to Region of Ontario.

  • 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 $243). Flying from Greenville to Region of Ontario in July is currently the most expensive (average of $359). 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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Top 4 airlines flying from Greenville to Ontario

Discover the top 4 airlines that operate flights from Greenville to Ontario. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$320Average$428FlexibilityNo cancel feeOn-time71%
DeltaCheapest$321Average$428FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$466Average$574FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$542Average$639FlexibilityNo cancel feeOn-time69%
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