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 March 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.

$173 Cheap Flights from Greenville to Ontario in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

1:22 pm - 8:55 pm

GSP

YYZ

7h 33m

1 stop

6:30 am - 7:54 pm

YYZ

GSP

13h 24m

1 stop

$406Multiple Airlines

Fri, Jun 5 - Sun, Jun 7

8:18 pm - 12:30 am

GSP

YUL

28h 12m

1 stop

8:00 am - 4:53 pm

YUL

GSP

8h 53m

1 stop

$406Multiple Airlines

Fri, Apr 24 - Mon, Apr 27

3:48 pm - 2:55 pm

GSP

YYZ

23h 07m

1 stop

9:50 am - 7:30 am

YYZ

GSP

21h 40m

1 stop

$413Multiple Airlines

Sun, Jun 14 - Thu, Jul 2

2:50 pm - 6:55 pm

GSP

YOW

4h 05m

1 stop

6:25 am - 11:44 am

YOW

GSP

5h 19m

1 stop

$435United Airlines

Sat, Apr 4 - Sat, Apr 11

6:27 pm - 9:11 am

GSP

YOW

14h 44m

1 stop

5:25 pm - 9:47 am

YOW

GSP

16h 22m

1 stop

$510Air Canada

Mon, May 4 - Mon, May 11

2:50 pm - 6:55 pm

GSP

YOW

4h 05m

1 stop

5:45 am - 2:10 pm

YOW

GSP

8h 25m

2 stops

$518Air Canada

Sat, Apr 4 - Sat, Apr 11

12:07 pm - 4:38 pm

GSP

YOW

4h 31m

1 stop

3:10 pm - 10:45 pm

YOW

GSP

7h 35m

1 stop

$520United Airlines

Fri, Apr 3 - Wed, Apr 8

6:00 am - 1:39 pm

GSP

YUL

7h 39m

1 stop

9:30 am - 9:43 pm

YUL

GSP

12h 13m

1 stop

$528Delta

Tue, Apr 21 - Tue, Apr 28

6:00 am - 1:39 pm

GSP

YUL

7h 39m

1 stop

9:30 am - 10:13 pm

YUL

GSP

12h 43m

2 stops

$537Delta

Tue, Apr 21 - Tue, Apr 28

8:16 pm - 11:44 am

GSP

YUL

15h 28m

1 stop

12:30 pm - 11:02 pm

YUL

GSP

10h 32m

1 stop

$563American Airlines

Mon, May 4 - Mon, May 11

American Airlines flights from Greenville to Region of Ontario

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

American Airlines

May 7

GSP6:30 amGreenville

10h 15m

1 stop

YYZ4:45 pmToronto Pearson Intl

May 10

YYZ7:15 amToronto Pearson Intl

10h 24m

1 stop

GSP5:39 pmGreenville

$487

American Airlines

May 7

GSP12:35 pmGreenville

10h 36m

1 stop

YYZ11:11 pmToronto Pearson Intl

May 10

YYZ12:46 pmToronto Pearson Intl

9h 33m

1 stop

GSP10:19 pmGreenville

$516

American Airlines

Apr 23

GSP6:00 amGreenville

8h 43m

1 stop

YYZ2:43 pmToronto Pearson Intl

May 14

YYZ12:45 pmToronto Pearson Intl

9h 34m

1 stop

GSP10:19 pmGreenville

$540

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 4

GSP2:50 pmGreenville

4h 05m

1 stop

YOW6:55 pmOttawa

Apr 11

YOW6:25 amOttawa

5h 19m

1 stop

GSP11:44 amGreenville

$435

United Airlines

Apr 3

GSP12:07 pmGreenville

4h 31m

1 stop

YOW4:38 pmOttawa

Apr 7

YOW3:10 pmOttawa

7h 35m

1 stop

GSP10:45 pmGreenville

$520

United Airlines

Apr 3

GSP6:30 amGreenville

7h 23m

1 stop

YOW1:53 pmOttawa

Apr 8

YOW6:00 amOttawa

14h 47m

3 stops

GSP8:47 pmGreenville

$531

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Fri 6/5

1:22 pm-8:55 pm

1 stop7h 33m

Toronto Pearson Intl

Sun 6/7

6:30 am-7:54 pm

1 stop13h 24m

$406

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Fri 4/24

8:18 pm-12:30 am

1 stop28h 12m

Montreal Pierre Elliott Trudeau Intl

Mon 4/27

8:00 am-4:53 pm

1 stop8h 53m

$406

GreenvilleToronto

GSP - YYZ

GSPYYZ

Greenville

Sun 6/14

3:48 pm-2:55 pm

1 stop23h 07m

Toronto Pearson Intl

Thu 7/2

9:50 am-7:30 am

1 stop21h 40m

$413

Quickest round-trip

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Sat 4/4

2:50 pm-6:55 pm

1 stop4h 05m

Ottawa

Sat 4/11

6:25 am-11:44 am

1 stop5h 19m

$435

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Mon 5/4

6:27 pm-9:11 am

1 stop14h 44m

Ottawa

Mon 5/11

5:25 pm-9:47 am

1 stop16h 22m

$510

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Sat 4/4

2:50 pm-6:55 pm

1 stop4h 05m

Ottawa

Sat 4/11

5:45 am-2:10 pm

2 stops8h 25m

$518

GreenvilleOttawa

GSP - YOW

GSPYOW

Greenville

Fri 4/3

12:07 pm-4:38 pm

1 stop4h 31m

Ottawa

Wed 4/8

3:10 pm-10:45 pm

1 stop7h 35m

$520

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Tue 4/21

6:00 am-1:39 pm

1 stop7h 39m

Montreal Pierre Elliott Trudeau Intl

Tue 4/28

9:30 am-9:43 pm

1 stop12h 13m

$528

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Tue 4/21

6:00 am-1:39 pm

1 stop7h 39m

Montreal Pierre Elliott Trudeau Intl

Tue 4/28

9:30 am-10:13 pm

2 stops12h 43m

$537

GreenvilleMontreal

GSP - YUL

GSPYUL

Greenville

Mon 5/4

8:16 pm-11:44 am

1 stop15h 28m

Montreal Pierre Elliott Trudeau Intl

Mon 5/11

12:30 pm-11:02 pm

1 stop10h 32m

$563

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

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

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 48% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 4 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 12m
Direct flights	None

The fastest flight from Greenville to Region of Ontario takes 4h 12m

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?
As of March 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 9,467 reviews		Search United Airlines flights
American Airlines	PriceFrom $436	Free Cancellation	Rating 7.1 11,492 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.