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$155+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
GSO — YYZ
Apr 15 — Apr 221
Wed 4/15
Wed 4/22
1 adult, Economy
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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 March 16, 2026.

This United Airlines deal was found by Cheapflights users on 3/12. 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.
Fri 4/32:54 pm
GSO
-
YOW
1 stop4h 01m
United Airlines
Sun 4/56:00 am
YOW
-
GSO
1 stop8h 18m
United Airlines
Deal found 3/12$413
This American Airlines deal was found by Cheapflights users on 3/13. 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 4/156:00 am
GSO
-
YYZ
1 stop8h 43m
American Airlines
Sat 4/187:15 am
YYZ
-
GSO
1 stop9h 14m
American Airlines
Deal found 3/13$468
This Delta deal was found by Cheapflights users on 3/11. 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 4/166:00 am
GSO
-
YYZ
1 stop7h 44m
Delta
Sat 4/1810:00 am
YYZ
-
GSO
1 stop8h 25m
Delta
Deal found 3/11$470
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Thu 4/92:54 pm
GSO
-
YOW
1 stop4h 01m
United Airlines
Sun 4/1210:00 am
YOW
-
GSO
1 stop8h 47m
United Airlines
Deal found 3/12$476
This American Airlines deal was found by Cheapflights users on 3/14. 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.
Fri 5/296:01 pm
GSO
-
YUL
1 stop15h 49m
American Airlines
Tue 6/210:30 am
YUL
-
GSO
1 stop12h 38m
American Airlines
Deal found 3/14$488
This FlightHub deal was found by Cheapflights users on 3/11. 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.
Thu 4/166:00 pm
GSO
-
YYZ
2 stops25h 36m
WestJet
Sat 4/186:15 am
YYZ
-
GSO
1 stop6h 09m
WestJet
Deal found 3/11$494
This American Airlines deal was found by Cheapflights users on 3/15. 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 4/166:00 am
GSO
-
YYZ
1 stop8h 43m
American Airlines
Sat 4/187:15 am
YYZ
-
GSO
1 stop9h 14m
American Airlines
Deal found 3/15$496
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Fri 4/101:27 pm
GSO
-
YOW
1 stop8h 08m
United Airlines
Mon 4/132:40 pm
YOW
-
GSO
1 stop9h 03m
United Airlines
Deal found 3/15$497
This Air Canada deal was found by Cheapflights users on 3/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/92:54 pm
GSO
-
YOW
2 stops7h 22m
Air Canada
Sun 4/122:40 pm
YOW
-
GSO
1 stop9h 03m
Air Canada
Deal found 3/15$508
This Delta deal was found by Cheapflights users on 3/15. 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.
Sat 8/157:00 am
GSO
-
YYZ
1 stop9h 03m
Delta
Sat 8/226:15 am
YYZ
-
GSO
1 stop11h 29m
Delta
Deal found 3/15$512
This Air Canada deal was found by Cheapflights users on 3/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:00 am
GSO
-
YOW
2 stops7h 16m
Air Canada
Mon 4/132:40 pm
YOW
-
GSO
1 stop4h 07m
Air Canada
Deal found 3/15$513
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 3/2310:01 pm
GSO
-
YYZ
2 stops24h 39m
Multiple Airlines
Fri 3/277:15 am
YYZ
-
GSO
1 stop8h 47m
Multiple Airlines
Deal found 3/11$534

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 March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$413
(United Airlines)

One-way from

$155
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$431
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. 0% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 16, 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

GreensboroToronto

GSO - YYZ

GSOYYZ

Greensboro/H. Point

Wed 4/15

6:00 am-2:43 pm

1 stop8h 43m

Toronto Pearson Intl

Sat 4/18

7:15 am-4:29 pm

1 stop9h 14m

$468

GreensboroToronto

GSO - YYZ

GSOYYZ

Greensboro/H. Point

Thu 4/16

6:00 am-1:44 pm

1 stop7h 44m

Toronto Pearson Intl

Sat 4/18

10:00 am-6:25 pm

1 stop8h 25m

$470

GreensboroOttawa

GSO - YOW

GSOYOW

Greensboro/H. Point

Thu 4/9

7:35 pm-11:54 pm

1 stop4h 19m

Ottawa

Sun 4/12

10:00 am-11:43 pm

1 stop13h 43m

$476

GreensboroOttawa

GSO - YOW

GSOYOW

Greensboro/H. Point

Fri 4/3

6:00 am-10:03 am

1 stop4h 03m

Ottawa

Sat 4/4

6:25 am-4:53 pm

1 stop10h 28m

$476

GreensboroToronto

GSO - YYZ

GSOYYZ

Greensboro/H. Point

Thu 4/16

6:00 pm-7:36 pm

2 stops25h 36m

Toronto Pearson Intl

Sat 4/18

7:55 am-12:25 pm

1 stop4h 30m

$494

GreensboroOttawa

GSO - YOW

GSOYOW

Greensboro/H. Point

Fri 4/10

7:35 pm-11:54 pm

1 stop4h 19m

Ottawa

Mon 4/13

10:00 am-11:43 pm

1 stop13h 43m

$497

GreensboroOttawa

GSO - YOW

GSOYOW

Greensboro/H. Point

Fri 4/3

6:00 am-1:16 pm

2 stops7h 16m

Ottawa

Sun 4/5

6:00 am-2:18 pm

1 stop8h 18m

$502

GreensboroOttawa

GSO - YOW

GSOYOW

Greensboro/H. Point

Thu 4/9

2:54 pm-10:16 pm

2 stops7h 22m

Ottawa

Sun 4/12

2:40 pm-11:43 pm

1 stop9h 03m

$508

GreensboroToronto

GSO - YYZ

GSOYYZ

Greensboro/H. Point

Sat 8/15

7:00 am-4:03 pm

1 stop9h 03m

Toronto Pearson Intl

Sat 8/22

6:15 am-5:44 pm

1 stop11h 29m

$512

GreensboroOttawa

GSO - YOW

GSOYOW

Greensboro/H. Point

Fri 4/10

6:00 am-1:16 pm

2 stops7h 16m

Ottawa

Mon 4/13

3:10 pm-9:50 pm

1 stop6h 40m

$513

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 50 resultsSorted by cheapest first
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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, May is the cheapest month in which you can book a flight from Greensboro to Region of Ontario (average of $132). Flying from Greensboro to Region of Ontario in November is currently the most expensive (average of $363). 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 March 16, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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.
Delta
7.9
Good
8,296 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,296 reviews
Delta
7.9
Good
8,296 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,428 reviews
Delta
7.9
Good
8,296 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,467 reviews
Delta
7.9
Good
8,296 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 American Airlines, Delta, and United Airlines fly from Greensboro to Region of Ontario in about 4h 19m. The time it takes to get you to your destination can typically vary by up to 4h 24m. The distance between Greensboro and Region of Ontario is about 674 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 - Montreal Pierre Elliott Trudeau Intl, Greensboro/H. Point - Toronto Pearson 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, May is the cheapest month in which you can book a flight from Greensboro to Region of Ontario (average of $132). Flying from Greensboro to Region of Ontario in November is currently the most expensive (average of $363). 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

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Top 3 airlines flying from Greensboro to Ontario

Discover the top 3 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 March 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$148Average$392FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$153Average$543FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$396Average$558FlexibilityNo cancel feeOn-time71%

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