HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$219+ Cheap flights from Greensboro (GSO) to Ontario

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/22. Fares are subject to change and may not be available on all flights or dates of travel.
GSO — YYZ
Jun 11 — Jun 181
Thu 6/11
Thu 6/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Greensboro to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Greensboro to Ontario

Cheapest flights from Greensboro to Ontario
Explore the most affordable flight options available from Greensboro to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2026.

This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:10 pm
GSO
-
YOW
1 stop13h 01m
United Airlines
Thu 5/285:50 pm
YOW
-
GSO
1 stop5h 52m
United Airlines
Deal found 5/11$424
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/159:36 pm
GSO
-
YYZ
1 stop19h 09m
Multiple Airlines
Mon 6/227:45 am
YYZ
-
GSO
1 stop8h 03m
Multiple Airlines
Deal found 5/11$484
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/159:36 pm
GSO
-
YYZ
1 stop19h 09m
Multiple Airlines
Fri 6/197:45 am
YYZ
-
GSO
1 stop8h 03m
Multiple Airlines
Deal found 5/11$493
This Kiwi.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/229:36 pm
GSO
-
YYZ
1 stop19h 09m
Multiple Airlines
Thu 6/2511:38 am
YYZ
-
GSO
1 stop4h 12m
Multiple Airlines
Deal found 5/8$529
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/131:40 pm
GSO
-
YYZ
1 stop9h 43m
American Airlines
Tue 6/161:15 pm
YYZ
-
GSO
1 stop8h 36m
American Airlines
Deal found 5/11$532
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:30 am
GSO
-
YYZ
1 stop10h 14m
American Airlines
Tue 6/211:39 am
YYZ
-
GSO
1 stop10h 12m
American Airlines
Deal found 5/11$537
This American Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:05 am
GSO
-
YYZ
1 stop12h 40m
American Airlines
Sat 6/277:22 am
YYZ
-
GSO
1 stop10h 58m
American Airlines
Deal found 5/8$543
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:00 am
GSO
-
YYZ
1 stop10h 15m
Delta
Mon 6/157:55 am
YYZ
-
GSO
1 stop14h 40m
Delta
Deal found 5/11$554
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:05 am
GSO
-
YYZ
1 stop8h 30m
American Airlines
Tue 7/73:17 pm
YYZ
-
GSO
1 stop7h 56m
American Airlines
Deal found 5/11$558
This FlightHub deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:40 am
GSO
-
YYZ
1 stop17h 18m
WestJet
Sun 5/316:30 pm
YYZ
-
GSO
2 stops17h 15m
WestJet
Deal found 5/11$559
This American Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:01 pm
GSO
-
YUL
1 stop15h 49m
American Airlines
Wed 6/1010:30 am
YUL
-
GSO
1 stop12h 25m
American Airlines
Deal found 5/7$563
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 am
GSO
-
YYZ
1 stop11h 55m
Delta
Tue 7/76:00 am
YYZ
-
GSO
1 stop12h 17m
Delta
Deal found 5/11$564

Find flight deals from Greensboro to Ontario

Keep the following information in mind while searching for Greensboro to Ontario flight deals. Data was last updated May 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$424
(United Airlines)

One-way from

$219
(Kiwi.com)

Popular in

June

Cheapest in

September
Provider with most accurate pricing for Greensboro/H. Point-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greensboro/H. Point-Toronto (YTO) flights.
Search Deals
From Greensboro/H. Point to Ontario
Search Deals
One-way flight from Greensboro/H. Point to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Greensboro to 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, Cheapflights users made 2,558,603 searches. Data last updated May 12, 2026.
Use the filters below to find and compare flights from Greensboro to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GreensboroOttawa

GSO - YOW

GSOYOW

Greensboro/H. Point

Tue 5/26

8:10 pm-1:05 pm

2 stops16h 55m

Ottawa

Thu 5/28

6:00 am-2:20 pm

1 stop8h 20m

$513

GreensboroToronto

GSO - YYZ

GSOYYZ

Greensboro/H. Point

Mon 6/15

9:36 pm-4:45 pm

1 stop19h 09m

Toronto Pearson Intl

Mon 6/22

8:00 pm-11:38 am

2 stops15h 38m

$548

GreensboroToronto

GSO - YYZ

GSOYYZ

Greensboro/H. Point

Tue 6/9

6:00 am-4:15 pm

1 stop10h 15m

Toronto Pearson Intl

Mon 6/15

7:55 am-10:35 pm

1 stop14h 40m

$554

GreensboroToronto

GSO - YYZ

GSOYYZ

Greensboro/H. Point

Tue 6/9

6:44 pm-9:59 pm

1 stop27h 15m

Toronto Pearson Intl

Thu 6/11

6:30 pm-11:38 am

2 stops17h 08m

$554

GreensboroMontreal

GSO - YUL

GSOYUL

Greensboro/H. Point

Wed 6/3

6:01 pm-9:50 am

1 stop15h 49m

Montreal Pierre Elliott Trudeau Intl

Wed 6/10

10:30 am-10:55 pm

1 stop12h 25m

$563

GreensboroToronto

GSO - YYZ

GSOYYZ

Greensboro/H. Point

Thu 5/28

9:25 am-6:45 pm

1 stop9h 20m

Toronto Pearson Intl

Sun 6/7

7:23 am-5:31 pm

1 stop10h 08m

$564
Quickest round-trip

GreensboroOttawa

GSO - YOW

GSOYOW

Greensboro/H. Point

Thu 6/18

6:00 am-10:03 am

1 stop4h 03m

Ottawa

Sat 6/20

7:30 pm-11:44 pm

1 stop4h 14m

$583

GreensboroOttawa

GSO - YOW

GSOYOW

Greensboro/H. Point

Tue 6/9

8:10 pm-9:11 am

1 stop13h 01m

Ottawa

Tue 6/16

10:44 am-4:57 pm

1 stop6h 13m

$583

GreensboroOttawa

GSO - YOW

GSOYOW

Greensboro/H. Point

Mon 8/31

2:43 pm-9:56 pm

1 stop7h 13m

Ottawa

Wed 9/2

2:52 pm-11:40 pm

1 stop8h 48m

$583

GreensboroMontreal

GSO - YUL

GSOYUL

Greensboro/H. Point

Wed 5/27

6:00 am-1:09 pm

1 stop7h 09m

Montreal Pierre Elliott Trudeau Intl

Fri 5/29

9:15 am-2:20 pm

1 stop5h 05m

$618

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 43 resultsSorted by cheapest first
1
2
3
...
5

Best time to book a flight from Greensboro to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Greensboro with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Greensboro to Ontario

What is the cheapest month to book a flight from Greensboro to Region of Ontario?

Currently, April is the cheapest month in which you can book a flight from Greensboro to Region of Ontario (average of $153). Flying from Greensboro to Region of Ontario in August is currently the most expensive (average of $800). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated May 12, 2026.
Get a feel of what it's like to fly with United Airlines and American Airlines from Greensboro to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,701 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,701 reviews
United Airlines
7.4
Good
9,701 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,661 reviews
United Airlines
7.4
Good
9,701 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Greensboro to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Greensboro to Ontario?

    Greensboro/H. Point (GSO), located 8.4 mi from the city center, is the airport you fly out of when you book flights from Greensboro to Ontario.

  • How long is the flight from Greensboro to Region of Ontario?

    Airlines like United Airlines, Delta, and WestJet fly from Greensboro to Region of Ontario in about 10h 15m. The time it takes to get you to your destination can typically vary by up to 17h. The distance between Greensboro and Region of Ontario is about 523 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Greensboro to Region of Ontario?

    The most popular flight routes from Greensboro to Region of Ontario are Greensboro/H. Point - Toronto Pearson Intl, Greensboro/H. Point - Montreal Pierre Elliott Trudeau Intl and Greensboro/H. Point - Ottawa.

  • Can I find deals for flights from Greensboro to Ontario that include hotel bookings?

    Yes. In addition to deals on Greensboro to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Greensboro to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greensboro to Ontario.

  • Can I find deals for business class flights from Greensboro to Ontario?

    Yes. Cheapflights offers flight deals from Greensboro to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Greensboro to Region of Ontario?

    Currently, April is the cheapest month in which you can book a flight from Greensboro to Region of Ontario (average of $153). Flying from Greensboro to Region of Ontario in August is currently the most expensive (average of $800). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Greensboro to Ontario

Discover the top 2 airlines that operate flights from Greensboro to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$247Average$511FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$472Average$570FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.