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$232+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
GSO — YYZ
Aug 22 — Aug 291
Fri 8/22
Fri 8/29
1 adult, Economy
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Cheap flight deals from Greensboro to Ontario

Keep the following information in mind while searching for Greensboro to Ontario flight deals. Data was last updated August 17, 2025.

Round-trip from

$449
(United Airlines)

One-way from

$232
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$381
From Greensboro/H. Point to Ontario
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One-way flight from Greensboro/H. Point to Ontario
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Highest demand for flights based on searches. 23% potential increase in price ($128 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 17, 2025.

This United Airlines deal was found by Cheapflights users on 8/16. 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.
Sun 9/286:15 amGSO - YOW
1 stop3h 43mUnited Airlines
Tue 9/306:33 amYOW - GSO
1 stop5h 16mUnited Airlines
Deal found 8/16$449
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/169:44 amGSO - YYZ
1 stop8h 46mAmerican Airlines
Tue 9/237:20 amYYZ - GSO
1 stop10h 33mAmerican Airlines
Deal found 8/17$502
This American Airlines deal was found by Cheapflights users on 8/16. 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 10/1811:34 amGSO - YYZ
1 stop11h 55mAmerican Airlines
Sat 10/253:10 pmYYZ - GSO
1 stop4h 37mAmerican Airlines
Deal found 8/16$504
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Fri 9/52:15 pmGSO - YYZ
1 stop8h 48mAmerican Airlines
Sun 9/77:20 amYYZ - GSO
1 stop10h 33mAmerican Airlines
Deal found 8/15$507
This Delta deal was found by Cheapflights users on 8/17. 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.
Wed 10/86:00 amGSO - YYZ
1 stop7h 40mDelta
Sun 10/126:00 pmYYZ - GSO
1 stop4h 50mDelta
Deal found 8/17$508
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/136:30 amGSO - YUL
1 stop9h 27mUnited Airlines
Sun 11/169:25 amYUL - GSO
1 stop11h 20mUnited Airlines
Deal found 8/17$508
This Delta deal was found by Cheapflights users on 8/15. 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.
Mon 9/292:12 pmGSO - YUL
1 stop7h 45mDelta
Mon 10/66:40 pmYUL - GSO
1 stop5h 16mDelta
Deal found 8/15$511
This Delta deal was found by Cheapflights users on 8/16. 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.
Wed 10/87:13 amGSO - YUL
2 stops11h 27mDelta
Sat 10/117:00 amYUL - GSO
1 stop8h 20mDelta
Deal found 8/16$521
This Air Canada deal was found by Cheapflights users on 8/16. 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.
Sun 9/286:15 amGSO - YOW
1 stop3h 43mAir Canada
Tue 9/309:05 amYOW - GSO
2 stops8h 49mAir Canada
Deal found 8/16$529
This Delta deal was found by Cheapflights users on 8/15. 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.
Fri 10/32:12 pmGSO - YYZ
1 stop9h 24mDelta
Sun 10/126:15 amYYZ - GSO
1 stop9h 05mDelta
Deal found 8/15$533
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Mon 9/295:28 pmGSO - YUL
2 stops21h 32mUnited Airlines
Mon 10/68:20 amYUL - GSO
1 stop27h 29mUnited Airlines
Deal found 8/15$535
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Tue 9/306:15 amGSO - YOW
1 stop3h 43mUnited Airlines
Tue 10/711:55 amYOW - GSO
2 stops6h 56mUnited Airlines
Deal found 8/15$536

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 August 17, 2025.
Use the filters below to find and compare flights from Greensboro to Ontario that are best for you.

Fly from

Greensboro

Fly to

Ontario

Route

Depart

Return

Price

GreensboroOttawa

GSO - YOW

GSOYOW

Greensboro/H. Point

Tue 9/30

6:35 am-2:04 pm

1 stop7h 29m

Ottawa

Tue 10/7

6:05 am-1:17 pm

1 stop7h 12m

$449

GreensboroOttawa

GSO - YOW

GSOYOW

Greensboro/H. Point

Sun 9/28

6:15 am-9:58 am

1 stop3h 43m

Ottawa

Tue 9/30

6:33 am-11:49 am

1 stop5h 16m

$449

GreensboroToronto

GSO - YYZ

GSOYYZ

Greensboro/H. Point

Tue 9/16

9:44 am-6:30 pm

1 stop8h 46m

Toronto Pearson Intl

Tue 9/23

7:20 am-5:53 pm

1 stop10h 33m

$502

GreensboroToronto

GSO - YYZ

GSOYYZ

Greensboro/H. Point

Sat 10/18

11:34 am-11:29 pm

1 stop11h 55m

Toronto Pearson Intl

Sat 10/25

3:10 pm-7:47 pm

1 stop4h 37m

$504

GreensboroToronto

GSO - YYZ

GSOYYZ

Greensboro/H. Point

Tue 9/30

2:15 pm-11:03 pm

1 stop8h 48m

Toronto Pearson Intl

Tue 10/7

10:40 am-10:24 pm

1 stop11h 44m

$507

GreensboroToronto

GSO - YYZ

GSOYYZ

Greensboro/H. Point

Fri 9/5

2:15 pm-11:03 pm

1 stop8h 48m

Toronto Pearson Intl

Sun 9/7

7:20 am-5:53 pm

1 stop10h 33m

$507

GreensboroToronto

GSO - YYZ

GSOYYZ

Greensboro/H. Point

Wed 10/8

6:00 am-1:40 pm

1 stop7h 40m

Toronto Pearson Intl

Sun 10/12

6:00 pm-10:50 pm

1 stop4h 50m

$508

GreensboroMontreal

GSO - YUL

GSOYUL

Greensboro/H. Point

Thu 11/13

6:30 am-3:57 pm

1 stop9h 27m

Montreal Pierre Elliott Trudeau Intl

Sun 11/16

5:45 pm-8:45 pm

1 stop27h 00m

$508

GreensboroMontreal

GSO - YUL

GSOYUL

Greensboro/H. Point

Wed 10/8

6:00 am-1:35 pm

1 stop7h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 10/11

7:00 am-3:20 pm

1 stop8h 20m

$511

GreensboroMontreal

GSO - YUL

GSOYUL

Greensboro/H. Point

Mon 9/29

2:12 pm-9:57 pm

1 stop7h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 10/6

6:40 pm-11:56 pm

1 stop5h 16m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 25 results
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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, January is the cheapest month in which you can book a flight from Greensboro to Region of Ontario (average of $243). Flying from Greensboro to Region of Ontario in August is currently the most expensive (average of $348). 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.

What is the cheapest time of day to fly from GSO to ON?

Find hourly flight availability from Greensboro to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 17, 2025.

When flying from Greensboro to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 17, 2025.
Get a feel of what it's like to fly with Delta, 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.
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,986 reviews
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,919 reviews
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
3,017 reviews
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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, January is the cheapest month in which you can book a flight from Greensboro to Region of Ontario (average of $243). Flying from Greensboro to Region of Ontario in August is currently the most expensive (average of $348). 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

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Alternative routes for Greensboro to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Greensboro to Ontario

Discover the top 4 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 August 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$168Average$304FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$222Average$625FlexibilityNo cancel feeOn-time69%
WestJetCheapest$267Average$420FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$316Average$396FlexibilityNo cancel feeOn-time71%

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