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Cheap flights from Greenville to Ontario from $186

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Greenville to Ontario departing on 12/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:48 am - 10:12 pmGSP-YYZ
12h 24m1 stop
Multiple Airlines Logo
7:10 am - 3:59 pmYYZ-GSP
8h 49m1 stop
$302Multiple Airlines
Find Deal
Mon, Jan 19 - Mon, Jan 26
Multiple Airlines Logo
9:48 am - 10:12 pmGSP-YYZ
12h 24m1 stop
Multiple Airlines Logo
8:30 pm - 8:58 amYYZ-GSP
12h 28m1 stop
$304Multiple Airlines
Find Deal
Mon, Jan 19 - Thu, Jan 29
United Airlines Logo
6:46 am - 4:50 pmGSP-YOW
10h 04m1 stop
United Airlines Logo
10:35 am - 9:11 pmYOW-GSP
10h 36m1 stop
$363United Airlines
Find Deal
Thu, Apr 2 - Sun, Apr 5
United Airlines Logo
6:46 am - 5:14 pmGSP-YOW
10h 28m2 stops
United Airlines Logo
10:35 am - 9:11 pmYOW-GSP
10h 36m1 stop
$450United Airlines
Find Deal
Thu, Apr 2 - Sun, Apr 5
Air Canada Logo
2:55 pm - 1:38 amGSP-YOW
10h 43m2 stops
Air Canada Logo
5:55 pm - 11:59 pmYOW-GSP
6h 04m1 stop
$473Air Canada
Find Deal
Wed, Nov 26 - Wed, Dec 3
Air Canada Logo
2:55 pm - 1:38 amGSP-YOW
10h 43m2 stops
Air Canada Logo
10:50 am - 11:59 pmYOW-GSP
13h 09m2 stops
$478Air Canada
Find Deal
Wed, Nov 26 - Wed, Dec 3
Delta Logo
1:58 pm - 12:42 amGSP-YOW
10h 44m2 stops
Delta Logo
5:40 am - 5:49 pmYOW-GSP
12h 09m2 stops
$530Delta
Find Deal
Wed, Nov 26 - Wed, Dec 3
American Airlines Logo
7:37 am - 4:51 pmGSP-YOW
9h 14m2 stops
American Airlines Logo
6:45 am - 10:35 pmYOW-GSP
15h 50m2 stops
$599American Airlines
Find Deal
Fri, Dec 26 - Fri, Jan 2
Delta Logo
7:20 am - 6:37 pmGSP-YUL
11h 17m2 stops
Delta Logo
9:34 am - 10:26 pmYUL-GSP
12h 52m2 stops
$610Delta
Find Deal
Thu, Jan 22 - Tue, Feb 10
American Airlines Logo
7:37 am - 4:51 pmGSP-YOW
9h 14m2 stops
American Airlines Logo
6:45 am - 10:35 pmYOW-GSP
15h 50m2 stops
$697American Airlines
Find Deal
Fri, Dec 26 - Fri, Jan 2

United Airlines flights from Greenville to Region of Ontario

Our best United Airlines deals on Greenville to Region of Ontario flight tickets
United Airlines
Apr 2
GSP6:46 amGreenville
10h 04m
1 stop
YOW4:50 pmOttawa
Apr 5
YOW10:35 amOttawa
10h 36m
1 stop
GSP9:11 pmGreenville
$363
Find similar
United Airlines
Apr 2
GSP6:46 amGreenville
10h 28m
2 stops
YOW5:14 pmOttawa
Apr 5
YOW10:35 amOttawa
10h 36m
1 stop
GSP9:11 pmGreenville
$450
Find similar
United Airlines
Nov 26
GSP6:25 amGreenville
7h 07m
1 stop
YOW1:32 pmOttawa
Dec 3
YOW6:20 amOttawa
5h 24m
1 stop
GSP11:44 amGreenville
$529
Find similar

WestJet flights from Greenville to Region of Ontario

Our best WestJet deals on Greenville to Region of Ontario flight tickets
WestJet
Nov 11
GSP6:13 pmGreenville
5h 07m
1 stop
YYZ11:20 pmToronto Pearson Intl
Nov 15
YYZ6:10 amToronto Pearson Intl
4h 19m
1 stop
GSP10:29 amGreenville
$849
Find similar
WestJet
Nov 5
GSP11:48 amGreenville
4h 21m
1 stop
YYZ4:09 pmToronto Pearson Intl
Nov 8
YYZ6:00 pmToronto Pearson Intl
4h 18m
1 stop
GSP10:18 pmGreenville
$957
Find similar
WestJet
Dec 16
GSP6:45 amGreenville
24h 20m
2 stops
YUL7:05 amMontreal Pierre Elliott Trudeau Intl
Dec 23
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
26h 34m
2 stops
GSP9:19 amGreenville
$982
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Greenville to Region of 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, momondo users made 832,500 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Greenville to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Mon 1/19

9:48 am-10:12 pm

1 stop12h 24m

Toronto Pearson Intl

Mon 1/26

7:10 am-3:59 pm

1 stop8h 49m

$302

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Mon 1/19

9:48 am-10:12 pm

1 stop12h 24m

Toronto Pearson Intl

Thu 1/29

8:30 pm-8:58 am

1 stop12h 28m

$304

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Thu 4/2

6:46 am-4:50 pm

1 stop10h 04m

Ottawa

Sun 4/5

10:35 am-9:11 pm

1 stop10h 36m

$363

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Thu 4/2

6:46 am-5:14 pm

2 stops10h 28m

Ottawa

Sun 4/5

10:35 am-9:11 pm

1 stop10h 36m

$450

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Wed 11/26

2:55 pm-1:38 am

2 stops10h 43m

Ottawa

Wed 12/3

5:55 pm-11:59 pm

1 stop6h 04m

$473

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Wed 11/26

2:55 pm-1:38 am

2 stops10h 43m

Ottawa

Wed 12/3

10:50 am-11:59 pm

2 stops13h 09m

$478

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Wed 11/26

1:58 pm-12:42 am

2 stops10h 44m

Ottawa

Wed 12/3

5:40 am-5:49 pm

2 stops12h 09m

$530

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Fri 12/26

7:37 am-4:51 pm

2 stops9h 14m

Ottawa

Fri 1/2

6:45 am-10:35 pm

2 stops15h 50m

$599

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Thu 1/22

7:20 am-6:37 pm

2 stops11h 17m

Montreal Pierre Elliott Trudeau Intl

Tue 2/10

9:34 am-10:26 pm

2 stops12h 52m

$610

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Fri 12/26

7:37 am-4:51 pm

2 stops9h 14m

Ottawa

Fri 1/2

6:45 am-10:35 pm

2 stops15h 50m

$697

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ontario from

How to get the cheapest flight ticket from Greenville to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Region of Ontario?

The month of February is, on average, the cheapest month to fly to Region of Ontario from Greenville, with most prices found around $174. If you aren’t able to travel during the month of February, then book flights to Region of Ontario from Greenville during December instead. Flights to Region of Ontario in December, while not as cheap as those in February, still average around $392.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Thursday is the cheapest day to fly to Region of Ontario from Greenville. The lowest ticket price found for a Thursday departure recently was $374. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Greenville to Region of Ontario on a Wednesday will generally be more expensive and average around $509. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is in the afternoon. momondo users have found flights departing from Greenville to Region of Ontario in the afternoon for as low as $363. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $466.

Cheap Greenville to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Greenville to Region of Ontario

Direct flights

None
There are no direct flights from Greenville to Region of Ontario. There are no popular flight routes from Greenville to Region of Ontario.
Search flight deals

  • When did momondo last update prices for flights from Greenville Airport to Ontario?

    Prices for flights from Greenville Airport to Ontario were last updated today.

  • How many operators does momondo search for flights from Greenville Airport to Ontario?

  • How old do you have to be to fly from Greenville Airport to Ontario?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Greenville Airport to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Greenville to Region of Ontario

Compare and see reviews for airlines that fly from Greenville to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $335Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
United AirlinesPriceFrom $362Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Greenville to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Greenville to Ontario for you.

Can I find flights from Greenville to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from Greenville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Greenville to Ontario?

momondo helps you find the best flight between Greenville and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Greenville to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Greenville to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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