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 45% 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.

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

American Airlines and United Airlines are the most popular carriers operating 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 June 2026, there are 3 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.

$140 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.

8:37 am - 5:09 pm

GSP

YYZ

32h 32m

2 stops

9:30 am - 4:44 pm

YYZ

GSP

7h 14m

1 stop

$313Multiple Airlines

Sun, Aug 23 - Mon, Aug 31

8:37 am - 5:09 pm

GSP

YYZ

32h 32m

2 stops

9:30 am - 4:44 pm

YYZ

GSP

7h 14m

1 stop

$319Multiple Airlines

Sun, Aug 23 - Mon, Aug 31

7:40 pm - 11:54 pm

GSP

YOW

4h 14m

1 stop

6:05 am - 10:37 am

YOW

GSP

4h 32m

1 stop

$603United Airlines

Fri, Jul 31 - Sat, Aug 8

7:40 pm - 11:54 pm

GSP

YOW

4h 14m

1 stop

7:30 pm - 9:55 am

YOW

GSP

14h 25m

1 stop

$657United Airlines

Wed, Jul 29 - Mon, Aug 3

6:00 am - 1:36 pm

GSP

YUL

7h 36m

1 stop

9:28 am - 5:30 pm

YUL

GSP

8h 02m

1 stop

$662Delta

Sat, Oct 31 - Mon, Nov 2

6:00 am - 1:36 pm

GSP

YUL

7h 36m

1 stop

11:15 am - 9:58 pm

YUL

GSP

10h 43m

2 stops

$672Delta

Sat, Oct 31 - Mon, Nov 2

6:30 am - 4:38 pm

GSP

YOW

10h 08m

1 stop

6:00 am - 2:19 pm

YOW

GSP

8h 19m

2 stops

$697Air Canada

Mon, Aug 10 - Wed, Aug 12

6:45 am - 4:54 pm

GSP

YUL

10h 09m

1 stop

12:30 pm - 11:25 pm

YUL

GSP

10h 55m

1 stop

$700American Airlines

Sat, Aug 29 - Wed, Sep 2

5:19 pm - 2:55 pm

GSP

YOW

21h 36m

2 stops

7:00 am - 4:10 pm

YOW

GSP

9h 10m

2 stops

$724American Airlines

Sat, Aug 8 - Sat, Aug 15

2:55 pm - 12:45 am

GSP

YOW

9h 50m

2 stops

7:30 pm - 9:55 am

YOW

GSP

14h 25m

1 stop

$726Air Canada

Wed, Jul 29 - Mon, Aug 3

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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 8

GSP5:43 pmGreenville

6h 16m

1 stop

YYZ11:59 pmToronto Pearson Intl

Aug 14

YYZ5:25 pmToronto Pearson Intl

5h 38m

1 stop

GSP11:03 pmGreenville

$537

Air Canada

Jul 18

GSP6:10 amGreenville

6h 25m

1 stop

YYZ12:35 pmToronto Pearson Intl

Jul 25

YYZ2:05 pmToronto Pearson Intl

9h 29m

2 stops

GSP11:34 pmGreenville

$623

Air Canada

Aug 8

GSP6:10 amGreenville

11h 55m

2 stops

YYZ6:05 pmToronto Pearson Intl

Aug 14

YYZ5:25 pmToronto Pearson Intl

5h 38m

1 stop

GSP11:03 pmGreenville

$632

American Airlines flights from Greenville to Region of Ontario

Our best American Airlines deals on Greenville to Region of Ontario flight tickets

American Airlines

Aug 15

GSP6:27 amGreenville

10h 18m

1 stop

YYZ4:45 pmToronto Pearson Intl

Aug 29

YYZ11:01 amToronto Pearson Intl

10h 26m

1 stop

GSP9:27 pmGreenville

$511

American Airlines

Aug 11

GSP3:12 pmGreenville

8h 34m

1 stop

YYZ11:46 pmToronto Pearson Intl

Aug 18

YYZ11:01 amToronto Pearson Intl

10h 26m

1 stop

GSP9:27 pmGreenville

$514

American Airlines

Aug 8

GSP1:37 pmGreenville

4h 04m

1 stop

YYZ5:41 pmToronto Pearson Intl

Aug 14

YYZ5:25 pmToronto Pearson Intl

4h 02m

1 stop

GSP9:27 pmGreenville

$520

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Sun 8/23

8:37 am-5:09 pm

2 stops32h 32m

Toronto Pearson Intl

Mon 8/31

9:30 am-4:44 pm

1 stop7h 14m

$313

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Sun 8/23

8:37 am-5:09 pm

2 stops32h 32m

Toronto Pearson Intl

Mon 8/31

9:30 am-4:44 pm

1 stop7h 14m

$319

Quickest round-trip

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Fri 7/31

7:40 pm-11:54 pm

1 stop4h 14m

Ottawa

Sat 8/8

6:05 am-10:37 am

1 stop4h 32m

$603

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Wed 7/29

7:40 pm-11:54 pm

1 stop4h 14m

Ottawa

Mon 8/3

7:30 pm-9:55 am

1 stop14h 25m

$657

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Sat 10/31

6:00 am-1:36 pm

1 stop7h 36m

Montreal Pierre Elliott Trudeau Intl

Mon 11/2

9:28 am-5:30 pm

1 stop8h 02m

$662

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Sat 10/31

6:00 am-1:36 pm

1 stop7h 36m

Montreal Pierre Elliott Trudeau Intl

Mon 11/2

11:15 am-9:58 pm

2 stops10h 43m

$672

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Mon 8/10

6:30 am-4:38 pm

1 stop10h 08m

Ottawa

Wed 8/12

6:00 am-2:19 pm

2 stops8h 19m

$697

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Sat 8/29

6:45 am-4:54 pm

1 stop10h 09m

Montreal Pierre Elliott Trudeau Intl

Wed 9/2

12:30 pm-11:25 pm

1 stop10h 55m

$700

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Sat 8/8

5:19 pm-2:55 pm

2 stops21h 36m

Ottawa

Sat 8/15

7:00 am-4:10 pm

2 stops9h 10m

$724

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Wed 7/29

2:55 pm-12:45 am

2 stops9h 50m

Ottawa

Mon 8/3

7:30 pm-9:55 am

1 stop14h 25m

$726

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 10m
Direct flights	None

The fastest flight from Greenville to Region of Ontario takes 4h 10m

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 June 2026, there are 3 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 9,894 reviews		Search United Airlines flights
American Airlines	PriceFrom $436	Free Cancellation	Rating 7.1 11,768 reviews		Search American 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.