What is the cheapest airline that flies from Greenville to Ontario?

United Airlines, American Airlines, and Delta 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 36% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 6 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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?

As of August 2026, there are 2 operators available to choose from 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.

$161 Cheap Flights from Greenville to Ontario in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Greenville to Ontario

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:07 am - 8:55 pmGSP Greenville-YYZ Toronto Pearson Intl

10h 48m2 stops Tampa Fort Lauderdale

1:30 pm - 5:14 pmYYZ Toronto Pearson Intl-GSP Greenville

27h 44m1 stop Fort Lauderdale

$334Multiple Airlines

Thu, Oct 1 - Mon, Oct 5

12:11 pm - 8:55 pmGSP Greenville-YYZ Toronto Pearson Intl

8h 44m1 stop Fort Lauderdale

7:00 am - 8:11 amYYZ Toronto Pearson Intl-GSP Greenville

25h 11m1 stop Fort Lauderdale

$336Multiple Airlines

Mon, Oct 5 - Thu, Oct 8

9:35 am - 8:55 pmGSP Greenville-YYZ Toronto Pearson Intl

11h 20m1 stop Fort Lauderdale

7:30 am - 9:01 amYYZ Toronto Pearson Intl-GSP Greenville

25h 31m1 stop Fort Lauderdale

$347Multiple Airlines

Thu, Oct 8 - Sun, Oct 11

10:07 am - 8:55 pmGSP Greenville-YYZ Toronto Pearson Intl

10h 48m2 stops Tampa Fort Lauderdale

7:30 am - 9:01 amYYZ Toronto Pearson Intl-GSP Greenville

25h 31m1 stop Fort Lauderdale

$350Multiple Airlines

Thu, Oct 8 - Sun, Oct 11

8:29 pm - 11:43 amGSP Greenville-YYZ Toronto Pearson Intl

15h 14m1 stop Newark

10:15 am - 5:14 pmYYZ Toronto Pearson Intl-GSP Greenville

6h 59m1 stop Chicago O'Hare Intl

$518United Airlines

Tue, Sep 8 - Fri, Sep 11

5:20 pm - 11:52 pmGSP Greenville-YUL Montreal Pierre Elliott Trudeau Intl

6h 32m1 stop Atlanta Hartsfield-Jackson

5:10 pm - 9:26 pmYUL Montreal Pierre Elliott Trudeau Intl-GSP Greenville

4h 16m1 stop Detroit Metropolitan Wayne County

$542Delta

Sat, Aug 29 - Sat, Sep 5

5:50 am - 9:42 pmGSP Greenville-YUL Montreal Pierre Elliott Trudeau Intl

15h 52m1 stop Newark

3:00 pm - 11:00 pmYUL Montreal Pierre Elliott Trudeau Intl-GSP Greenville

8h 00m1 stop Newark

$548United Airlines

Fri, Oct 30 - Tue, Nov 3

8:49 am - 5:46 pmGSP Greenville-YUL Montreal Pierre Elliott Trudeau Intl

8h 57m1 stop Atlanta Hartsfield-Jackson

12:47 pm - 9:26 pmYUL Montreal Pierre Elliott Trudeau Intl-GSP Greenville

8h 39m1 stop Detroit Metropolitan Wayne County

$576Delta

Thu, Aug 27 - Sun, Aug 30

8:40 am - 2:09 pmGSP Greenville-YOW Ottawa

5h 29m1 stop Chicago O'Hare Intl

9:45 am - 2:10 pmYOW Ottawa-GSP Greenville

4h 25m1 stop Washington, D.C. Dulles Intl

$584United Airlines

Tue, Dec 8 - Sat, Dec 12

7:35 pm - 9:56 amGSP Greenville-YOW Ottawa

14h 21m1 stop Washington, D.C. Dulles Intl

6:01 pm - 11:13 pmYOW Ottawa-GSP Greenville

5h 12m1 stop Newark

$639United Airlines

Mon, Sep 28 - Thu, Oct 1

Cheap last minute flights

Enter your travel dates to find the best prices.

3:12 pm - 10:53 pmGSP Greenville-YUL Montreal Pierre Elliott Trudeau Intl

7h 41m1 stop Charlotte Douglas

7:29 am - 1:05 pmYUL Montreal Pierre Elliott Trudeau Intl-GSP Greenville

5h 36m1 stop Charlotte Douglas

$742American Airlines

Fri, Aug 21 - Tue, Aug 25

3:12 pm - 10:53 pmGSP Greenville-YUL Montreal Pierre Elliott Trudeau Intl

7h 41m1 stop Charlotte Douglas

7:55 am - 2:47 pmYUL Montreal Pierre Elliott Trudeau Intl-GSP Greenville

6h 52m2 stops Philadelphia Charlotte Douglas

$752American Airlines

Fri, Aug 21 - Tue, Aug 25

6:58 pm - 3:20 pmGSP Greenville-YYZ Toronto Pearson Intl

20h 22m1 stop Detroit Metropolitan Wayne County

6:34 pm - 8:32 pmYYZ Toronto Pearson Intl-GSP Greenville

25h 58m1 stop Atlanta Hartsfield-Jackson

$838WestJet

Wed, Aug 19 - Thu, Aug 20

5:46 am - 4:45 pmGSP Greenville-YUL Montreal Pierre Elliott Trudeau Intl

10h 59m2 stops Atlanta Hartsfield-Jackson Toronto Pearson Intl

8:00 pm - 9:18 amYUL Montreal Pierre Elliott Trudeau Intl-GSP Greenville

13h 18m2 stops Calgary Atlanta Hartsfield-Jackson

$866WestJet

Fri, Aug 21 - Tue, Aug 25

6:58 pm - 8:55 amGSP Greenville-YYZ Toronto Pearson Intl

13h 57m1 stop Detroit Metropolitan Wayne County

12:00 pm - 8:32 pmYYZ Toronto Pearson Intl-GSP Greenville

32h 32m2 stops Vancouver Intl Atlanta Hartsfield-Jackson

$869WestJet

Wed, Aug 19 - Thu, Aug 20

1:37 pm - 5:41 pmGSP Greenville-YYZ Toronto Pearson Intl

4h 04m1 stop Charlotte Douglas

5:25 pm - 9:27 pmYYZ Toronto Pearson Intl-GSP Greenville

4h 02m1 stop Washington, D.C. Reagan-National

$871American Airlines

Wed, Aug 19 - Fri, Aug 21

5:46 am - 1:05 amGSP Greenville-YYZ Toronto Pearson Intl

19h 19m2 stops Atlanta Hartsfield-Jackson Calgary

11:40 am - 10:02 amYYZ Toronto Pearson Intl-GSP Greenville

22h 22m1 stop Atlanta Hartsfield-Jackson

$875WestJet

Wed, Aug 19 - Fri, Aug 21

5:46 am - 1:05 amGSP Greenville-YYZ Toronto Pearson Intl

19h 19m2 stops Atlanta Hartsfield-Jackson Calgary

8:00 am - 8:31 pmYYZ Toronto Pearson Intl-GSP Greenville

36h 31m2 stops Calgary Atlanta Hartsfield-Jackson

$914WestJet

Wed, Aug 19 - Fri, Aug 21

6:55 am - 7:15 pmGSP Greenville-YYZ Toronto Pearson Intl

36h 20m2 stops Atlanta Hartsfield-Jackson Montreal Pierre Elliott Trudeau Intl

10:25 pm - 8:32 pmYYZ Toronto Pearson Intl-GSP Greenville

22h 07m2 stops Calgary Atlanta Hartsfield-Jackson

$1,125WestJet

Wed, Aug 19 - Thu, Aug 20

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WestJet flights from Greenville to Region of Ontario

Our best WestJet deals on Greenville to Region of Ontario flight tickets

WestJet

Sep 23

GSP7:00 amGreenville

5h 19m

1 stop

YYZ12:19 pmToronto Pearson Intl

Sep 30

YYZ6:00 amToronto Pearson Intl

8h 00m

1 stop

GSP2:00 pmGreenville

$450

WestJet

Sep 18

GSP6:00 amGreenville

10h 13m

1 stop

YYZ4:13 pmToronto Pearson Intl

Sep 22

YYZ6:15 amToronto Pearson Intl

4h 53m

1 stop

GSP11:08 amGreenville

$470

WestJet

Aug 27

GSP6:55 amGreenville

18h 10m

2 stops

YYZ1:05 amToronto Pearson Intl

Sep 4

YYZ6:34 pmToronto Pearson Intl

15h 28m

1 stop

GSP10:02 amGreenville

$528

Air Canada flights from Greenville to Region of Ontario

Our best Air Canada deals on Greenville to Region of Ontario flight tickets

Air Canada

Aug 29

GSP11:25 amGreenville

8h 55m

2 stops

YUL8:20 pmMontreal Pierre Elliott Trudeau Intl

Sep 5

YUL8:40 amMontreal Pierre Elliott Trudeau Intl

8h 22m

2 stops

GSP5:02 pmGreenville

$626

Air Canada

Dec 8

GSP10:21 amGreenville

4h 46m

1 stop

YOW3:07 pmOttawa

Dec 12

YOW6:15 amOttawa

5h 41m

1 stop

GSP11:56 amGreenville

$651

Air Canada

Oct 30

GSP5:50 amGreenville

7h 38m

1 stop

YUL1:28 pmMontreal Pierre Elliott Trudeau Intl

Nov 3

YUL1:15 pmMontreal Pierre Elliott Trudeau Intl

10h 03m

2 stops

GSP11:18 pmGreenville

$751

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GreenvilleToronto

GSP Greenville - YYZ Toronto Pearson Intl

GSPYYZ

Greenville

Thu 10/1

10:07 am-8:55 pm

2 stops10h 48m

Toronto Pearson Intl

Mon 10/5

1:30 pm-5:14 pm

1 stop27h 44m

$334

GreenvilleToronto

GSP Greenville - YYZ Toronto Pearson Intl

GSPYYZ

Greenville

Mon 10/5

12:11 pm-8:55 pm

1 stop8h 44m

Toronto Pearson Intl

Thu 10/8

7:00 am-8:11 am

1 stop25h 11m

$336

GreenvilleToronto

GSP Greenville - YYZ Toronto Pearson Intl

GSPYYZ

Greenville

Thu 10/8

9:35 am-8:55 pm

1 stop11h 20m

Toronto Pearson Intl

Sun 10/11

7:30 am-9:01 am

1 stop25h 31m

$347

GreenvilleToronto

GSP Greenville - YYZ Toronto Pearson Intl

GSPYYZ

Greenville

Thu 10/8

10:07 am-8:55 pm

2 stops10h 48m

Toronto Pearson Intl

Sun 10/11

7:30 am-9:01 am

1 stop25h 31m

$350

GreenvilleToronto

GSP Greenville - YYZ Toronto Pearson Intl

GSPYYZ

Greenville

Tue 9/8

8:29 pm-11:43 am

1 stop15h 14m

Toronto Pearson Intl

Fri 9/11

10:15 am-5:14 pm

1 stop6h 59m

$518

GreenvilleMontreal

GSP Greenville - YUL Montreal Pierre Elliott Trudeau Intl

GSPYUL

Greenville

Sat 8/29

5:20 pm-11:52 pm

1 stop6h 32m

Montreal Pierre Elliott Trudeau Intl

Sat 9/5

5:10 pm-9:26 pm

1 stop4h 16m

$542

GreenvilleMontreal

GSP Greenville - YUL Montreal Pierre Elliott Trudeau Intl

GSPYUL

Greenville

Fri 10/30

5:50 am-9:42 pm

1 stop15h 52m

Montreal Pierre Elliott Trudeau Intl

Tue 11/3

3:00 pm-11:00 pm

1 stop8h 00m

$548

GreenvilleMontreal

GSP Greenville - YUL Montreal Pierre Elliott Trudeau Intl

GSPYUL

Greenville

Thu 8/27

8:49 am-5:46 pm

1 stop8h 57m

Montreal Pierre Elliott Trudeau Intl

Sun 8/30

12:47 pm-9:26 pm

1 stop8h 39m

$576

Quickest round-trip

GreenvilleOttawa

GSP Greenville - YOW Ottawa

GSPYOW

Greenville

Tue 12/8

8:40 am-2:09 pm

1 stop5h 29m

Ottawa

Sat 12/12

9:45 am-2:10 pm

1 stop4h 25m

$584

GreenvilleOttawa

GSP Greenville - YOW Ottawa

GSPYOW

Greenville

Mon 9/28

7:35 pm-9:56 am

1 stop14h 21m

Ottawa

Thu 10/1

6:01 pm-11:13 pm

1 stop5h 12m

$639

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

The month of August is, on average, the cheapest month to fly to Region of Ontario from Greenville, with most prices found around $0. If you aren’t able to travel during the month of August, then book flights to Region of Ontario from Greenville during May instead. Flights to Region of Ontario in May, while not as cheap as those in August, still average around $0.

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 06m
Direct flights	None

The fastest flight from Greenville to Region of Ontario takes 4h 06m

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

Frequently asked questions about flying from Greenville to Ontario

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?
As of August 2026, there are 2 operators available to choose from 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
United Airlines	PriceFrom $348	Free Cancellation	Rating 7.4 10,105 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.