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Cheap flights from Greenville to Ontario from $146

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 3/1. 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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Find the cheapest flights from Greenville to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:13 pm - 11:20 pm
GSP
-
YYZ
30h 07m
1 stop
Multiple Airlines Logo
8:20 pm - 7:38 pm
YYZ
-
GSP
23h 18m
1 stop
$324Multiple Airlines
Sun, Mar 1 - Thu, Mar 5
Multiple Airlines Logo
8:18 pm - 2:20 pm
GSP
-
YYZ
18h 02m
1 stop
Multiple Airlines Logo
8:20 pm - 7:38 pm
YYZ
-
GSP
23h 18m
1 stop
$341Multiple Airlines
Mon, Mar 2 - Thu, Mar 5
Multiple Airlines Logo
5:13 pm - 11:20 pm
GSP
-
YYZ
30h 07m
1 stop
Multiple Airlines Logo
8:30 pm - 3:51 pm
YYZ
-
GSP
19h 21m
1 stop
$347Multiple Airlines
Sun, Mar 1 - Wed, Mar 4
United Airlines Logo
6:30 am - 9:18 pm
GSP
-
YOW
14h 48m
1 stop
United Airlines Logo
5:48 pm - 11:59 pm
YOW
-
GSP
6h 11m
1 stop
$468United Airlines
Sat, Feb 14 - Wed, Feb 18
United Airlines Logo
6:15 am - 1:32 pm
GSP
-
YOW
7h 17m
1 stop
United Airlines Logo
9:45 am - 2:17 pm
YOW
-
GSP
4h 32m
1 stop
$477United Airlines
Thu, Mar 19 - Thu, Mar 26
Delta Logo
6:05 am - 1:37 pm
GSP
-
YUL
7h 32m
1 stop
Delta Logo
9:20 am - 5:41 pm
YUL
-
GSP
8h 21m
1 stop
$483Delta
Wed, Mar 18 - Wed, Mar 25
American Airlines Logo
7:37 pm - 4:48 pm
GSP
-
YOW
21h 11m
2 stops
American Airlines Logo
6:45 am - 6:13 pm
YOW
-
GSP
11h 28m
2 stops
$484American Airlines
Thu, Mar 19 - Thu, Mar 26
Delta Logo
6:05 am - 1:37 pm
GSP
-
YUL
7h 32m
1 stop
Delta Logo
9:20 am - 9:52 pm
YUL
-
GSP
12h 32m
2 stops
$543Delta
Wed, Mar 18 - Wed, Mar 25
American Airlines Logo
6:00 pm - 9:51 am
GSP
-
YUL
15h 51m
1 stop
American Airlines Logo
10:31 am - 10:38 pm
YUL
-
GSP
12h 07m
1 stop
$630American Airlines
Fri, May 29 - Sun, May 31
Air Canada Logo
6:30 am - 7:24 pm
GSP
-
YSB
12h 54m
2 stops
Air Canada Logo
8:00 pm - 11:59 pm
YSB
-
GSP
27h 59m
2 stops
$1,127Air Canada
Sat, Feb 14 - Wed, Feb 18

American Airlines flights from Greenville to Region of Ontario

Our best American Airlines deals on Greenville to Region of Ontario flight tickets
American Airlines
Apr 4
GSP7:40 amGreenville
8h 23m
1 stop
YYZ4:03 pmToronto Pearson Intl
Apr 6
YYZ1:10 pmToronto Pearson Intl
10h 32m
1 stop
GSP11:42 pmGreenville
$439
American Airlines
Mar 19
GSP7:37 pmGreenville
21h 11m
2 stops
YOW4:48 pmOttawa
Mar 26
YOW6:45 amOttawa
11h 28m
2 stops
GSP6:13 pmGreenville
$484
American Airlines
Mar 2
GSP12:55 pmGreenville
8h 42m
1 stop
YYZ9:37 pmToronto Pearson Intl
Mar 9
YYZ10:58 amToronto Pearson Intl
11h 07m
1 stop
GSP10:05 pmGreenville
$492

United Airlines flights from Greenville to Region of Ontario

Our best United Airlines deals on Greenville to Region of Ontario flight tickets
United Airlines
Feb 14
GSP6:30 amGreenville
14h 48m
1 stop
YOW9:18 pmOttawa
Feb 18
YOW5:48 pmOttawa
6h 11m
1 stop
GSP11:59 pmGreenville
$468
United Airlines
Mar 19
GSP6:15 amGreenville
7h 17m
1 stop
YOW1:32 pmOttawa
Mar 26
YOW9:45 amOttawa
4h 32m
1 stop
GSP2:17 pmGreenville
$477
United Airlines
Feb 14
GSP6:50 amGreenville
10h 28m
2 stops
YOW5:18 pmOttawa
Feb 18
YOW5:48 pmOttawa
6h 11m
1 stop
GSP11:59 pmGreenville
$556

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 February 4, 2026.
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

Sun 3/1

5:13 pm-11:20 pm

1 stop30h 07m

Toronto Pearson Intl

Thu 3/5

8:20 pm-7:38 pm

1 stop23h 18m

$324

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Mon 3/2

8:18 pm-2:20 pm

1 stop18h 02m

Toronto Pearson Intl

Thu 3/5

8:20 pm-7:38 pm

1 stop23h 18m

$341

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Sun 3/1

5:13 pm-11:20 pm

1 stop30h 07m

Toronto Pearson Intl

Wed 3/4

8:30 pm-3:51 pm

1 stop19h 21m

$347

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Sat 2/14

6:30 am-9:18 pm

1 stop14h 48m

Ottawa

Wed 2/18

5:48 pm-11:59 pm

1 stop6h 11m

$468

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Thu 3/19

6:15 am-1:32 pm

1 stop7h 17m

Ottawa

Thu 3/26

9:45 am-2:17 pm

1 stop4h 32m

$477

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Wed 3/18

6:05 am-1:37 pm

1 stop7h 32m

Montreal Pierre Elliott Trudeau Intl

Wed 3/25

9:20 am-5:41 pm

1 stop8h 21m

$483

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Thu 3/19

7:37 pm-4:48 pm

2 stops21h 11m

Ottawa

Thu 3/26

6:45 am-6:13 pm

2 stops11h 28m

$484

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Wed 3/18

6:05 am-1:37 pm

1 stop7h 32m

Montreal Pierre Elliott Trudeau Intl

Wed 3/25

9:20 am-9:52 pm

2 stops12h 32m

$543

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Fri 5/29

6:00 pm-9:51 am

1 stop15h 51m

Montreal Pierre Elliott Trudeau Intl

Sun 5/31

10:31 am-10:38 pm

1 stop12h 07m

$630

GreenvilleSudbury

GSP - YSB

GSPYSB

Greenville

Sat 2/14

6:30 am-7:24 pm

2 stops12h 54m

Sudbury

Wed 2/18

8:00 pm-11:59 pm

2 stops27h 59m

$1,127

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 airline that flies from Greenville to Ontario?

United Airlines, American Airlines, and WestJet are the most popular carriers operating from Greenville to Ontario

What airlines fly to Region of Ontario?

American Airlines, Air Canada and United Airlines are the top three most popular airlines that fly to Region of Ontario from Greenville according to our data. American Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 5 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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

Fastest flight time

4h 50m

Direct flights

None
The fastest flight from Greenville to Region of Ontario takes 4h 50m
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
DeltaPriceFrom $160Free CancellationRating
7.9
8,138 reviews
Search Delta flights
American AirlinesPriceFrom $346Free CancellationRating
7.2
11,216 reviews
Search American Airlines flights
United AirlinesPriceFrom $348Free CancellationRating
7.4
9,236 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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Find better results for your trip to Ontario

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