How long is the flight from Ontario to Greensboro?

There are many flights that can get you from Ontario to Greensboro in 6h 06m. Fly via American Airlines, United Airlines, or Delta to get the fastest option. Ontario and Greensboro are separated by a distance of 2119 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Ontario to Greensboro round-trip?

Our cheapest airline available from Ontario to Greensboro is American Airlines. Our recent data shows that you can find tickets from as low as $308 on this airline. An additional option worth looking into is Delta, starting at $308. American Airlines is 31% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Greensboro ranges from 3.0 - 4.5 inches per month. July is typically the wettest month, when rainfall can reach 4.5 in. February is typically the driest time to visit Greensboro when rainfall is around 3.0 in.

If weather is an important factor for your trip to Greensboro, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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

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

Most accurate provider : When it comes to deals on Ontario-Greensboro flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Greensboro flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Greensboro flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Greensboro flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Greensboro flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Ontario to Greensboro?

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

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

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

$189+ Flights from Ontario to Greensboro

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1. Tell us where you want to go

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Cheap flight deals from Ontario to Greensboro

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$369 (American Airlines)
One-way from	$189 (Delta)
Popular in	December
Cheapest in	July
Average price	$552

Provider with most accurate pricing for Ontario-Greensboro/H. Point flight deals.

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Provider most trusted by Cheapflights users for Ontario-Greensboro/H. Point flights.

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From Ontario to Greensboro/H. Point

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One-way flight from Ontario to Greensboro/H. Point

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).

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Average for round-trip flights in October 2025

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Find flight deals from Ontario to Greensboro

Cheapest flights from Ontario to Greensboro
Explore the most affordable flight options available from Ontario to Greensboro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

Sat 12/66:00 amONT - GSO

1 stop7h 27mAmerican Airlines

Sun 1/185:43 pmGSO - ONT

1 stop8h 05mAmerican Airlines

Deal found 10/28

$309

Sat 12/61:34 pmONT - GSO

1 stop6h 06mUnited Airlines

Sun 1/188:00 amGSO - ONT

2 stops12h 43mUnited Airlines

Deal found 10/28

$314

Tue 11/1112:46 pmONT - GSO

1 stop6h 55mAmerican Airlines

Sat 11/155:34 pmGSO - ONT

1 stop7h 55mAmerican Airlines

Deal found 10/27

$369

Tue 11/116:05 amONT - GSO

2 stops12h 27mUnited Airlines

Sat 11/158:09 amGSO - ONT

1 stop7h 24mUnited Airlines

Deal found 10/27

$374

Wed 11/2610:25 pmONT - GSO

1 stop8h 44mDelta

Wed 12/37:00 amGSO - ONT

1 stop7h 02mDelta

Deal found 10/27

$378

Fri 10/3111:36 amONT - GSO

1 stop7h 10mDelta

Mon 11/104:01 pmGSO - ONT

1 stop10h 03mDelta

Deal found 10/27

$399

Thu 11/277:00 amONT - GSO

1 stop6h 59mUnited Airlines

Mon 12/18:15 amGSO - ONT

1 stop7h 18mUnited Airlines

Deal found 10/28

$409

Wed 11/511:36 amONT - GSO

1 stop7h 10mDelta

Tue 11/116:55 pmGSO - ONT

1 stop7h 09mDelta

Deal found 10/26

$419

Tue 10/287:05 amONT - GSO

1 stop9h 14mDelta

Mon 11/106:55 pmGSO - ONT

1 stop7h 09mDelta

Deal found 10/27

$437

Best flights from Ontario to Greensboro
Discover carefully curated flight deals from Ontario to Greensboro that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.

Sat 12/66:00 amONT - GSO

1 stop7h 27mAmerican Airlines

Sun 1/185:43 pmGSO - ONT

1 stop8h 05mAmerican Airlines

Deal found 10/28

$309

Sat 12/61:34 pmONT - GSO

1 stop6h 06mUnited Airlines

Sun 1/188:00 amGSO - ONT

2 stops12h 43mUnited Airlines

Deal found 10/28

$314

Wed 11/2610:25 pmONT - GSO

1 stop8h 44mDelta

Wed 12/37:00 amGSO - ONT

1 stop7h 02mDelta

Deal found 10/27

$378

Tue 11/116:05 amONT - GSO

2 stops12h 27mUnited Airlines

Sat 11/158:09 amGSO - ONT

1 stop7h 24mUnited Airlines

Deal found 10/27

$374

Wed 11/269:59 amONT - GSO

2 stops9h 38mAmerican Airlines

Wed 12/37:00 amGSO - ONT

1 stop9h 55mAmerican Airlines

Deal found 10/27

$442

Thu 11/277:00 amONT - GSO

1 stop6h 59mUnited Airlines

Mon 12/18:15 amGSO - ONT

1 stop7h 18mUnited Airlines

Deal found 10/28

$409

Fri 1/235:05 amONT - GSO

2 stops12h 46mUnited Airlines

Sun 1/258:16 amGSO - ONT

1 stop7h 31mUnited Airlines

Deal found 10/27

$444

Fri 11/2110:47 amONT - GSO

1 stop8h 50mAmerican Airlines

Fri 11/287:00 amGSO - ONT

1 stop7h 53mAmerican Airlines

Deal found 10/27

$508

Fri 11/141:29 pmONT - GSO

1 stop6h 23mUnited Airlines

Sun 11/165:32 pmGSO - ONT

1 stop7h 59mUnited Airlines

Deal found 10/27

$469

Last-minute flights from Ontario to Greensboro
Discover last-minute flight deals from Ontario to Greensboro. Data last updated October 28, 2025 and is based on user searches.

Tue 10/287:05 amONT - GSO

1 stop9h 14mDelta

Mon 11/106:55 pmGSO - ONT

1 stop7h 09mDelta

Deal found 10/27

$437

Fri 10/3111:36 amONT - GSO

1 stop7h 10mDelta

Mon 11/104:01 pmGSO - ONT

1 stop10h 03mDelta

Deal found 10/27

$399

Fri 10/3111:36 amONT - GSO

1 stop7h 10mDelta

Sat 11/86:00 amGSO - ONT

1 stop7h 26mDelta

Deal found 10/27

$439

Wed 11/511:36 amONT - GSO

1 stop7h 10mDelta

Tue 11/116:55 pmGSO - ONT

1 stop7h 09mDelta

Deal found 10/26

$419

Tue 11/1112:46 pmONT - GSO

1 stop6h 55mAmerican Airlines

Sat 11/155:34 pmGSO - ONT

1 stop7h 55mAmerican Airlines

Deal found 10/27

$369

Tue 11/116:05 amONT - GSO

2 stops12h 27mUnited Airlines

Sat 11/158:09 amGSO - ONT

1 stop7h 24mUnited Airlines

Deal found 10/27

$374

Wed 11/2610:25 pmONT - GSO

1 stop8h 44mDelta

Wed 12/37:00 amGSO - ONT

1 stop7h 02mDelta

Deal found 10/27

$378

Wed 11/269:59 amONT - GSO

2 stops9h 38mAmerican Airlines

Wed 12/37:00 amGSO - ONT

1 stop9h 55mAmerican Airlines

Deal found 10/27

$442

Thu 11/277:00 amONT - GSO

1 stop6h 59mUnited Airlines

Mon 12/18:15 amGSO - ONT

1 stop7h 18mUnited Airlines

Deal found 10/28

$409

One-way flights from Ontario to Greensboro
Search for one-way flight options from Ontario to Greensboro. Find affordable one-way fares based on user searches. Data last updated October 28, 2025.

Mon 11/1710:25 pmONT - GSO

1 stop7h 56mDelta

Deal found 10/26

$189

Sun 11/167:05 amONT - GSO

1 stop8h 01mDelta

Deal found 10/26

$220

Tue 1/201:24 pmONT - GSO

1 stop6h 35mUnited Airlines

Deal found 10/28

$259

Mon 11/2410:25 pmONT - GSO

1 stop7h 56mDelta

Deal found 10/28

$289

Mon 11/246:11 amONT - GSO

2 stops10h 05mAmerican Airlines

Deal found 10/26

$294

Sun 1/111:24 pmONT - GSO

1 stop6h 35mUnited Airlines

Deal found 10/27

$380

Sun 11/165:05 amONT - GSO

2 stops10h 41mUnited Airlines

Deal found 10/26

$385

Sat 11/811:36 amONT - GSO

1 stop7h 10mDelta

Deal found 10/27

$422

Sun 11/912:16 pmONT - GSO

1 stop7h 24mDelta

Deal found 10/27

$475

Mon 11/245:05 amONT - GSO

3 stops30h 08mUnited Airlines

Deal found 10/28

$504

Fly from

Fly to

Route

Depart

Return

Price

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Sat 12/6

6:00 am-4:27 pm

1 stop7h 27m

Greensboro/H. Point

Sun 1/18

5:43 pm-10:48 pm

1 stop8h 05m

$309

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Sat 12/6

1:34 pm-10:40 pm

1 stop6h 06m

Greensboro/H. Point

Sun 1/18

8:00 am-5:43 pm

2 stops12h 43m

$314

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Tue 11/11

6:05 am-9:32 pm

2 stops12h 27m

Greensboro/H. Point

Sat 11/15

8:09 am-12:33 pm

1 stop7h 24m

$374

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Wed 11/26

10:25 pm-10:09 am

1 stop8h 44m

Greensboro/H. Point

Wed 12/3

7:00 am-11:02 am

1 stop7h 02m

$378

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Thu 11/27

7:00 am-4:59 pm

1 stop6h 59m

Greensboro/H. Point

Mon 12/1

8:15 am-12:33 pm

1 stop7h 18m

$409

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Wed 11/26

9:59 am-10:37 pm

2 stops9h 38m

Greensboro/H. Point

Wed 12/3

7:00 am-1:55 pm

1 stop9h 55m

$442

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Fri 1/23

5:05 am-8:51 pm

2 stops12h 46m

Greensboro/H. Point

Sun 1/25

8:16 am-12:47 pm

1 stop7h 31m

$444

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Fri 11/14

1:29 pm-10:52 pm

1 stop6h 23m

Greensboro/H. Point

Sun 11/16

5:32 pm-10:31 pm

1 stop7h 59m

$469

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Fri 11/21

10:47 am-10:37 pm

1 stop8h 50m

Greensboro/H. Point

Fri 11/28

7:00 am-11:53 am

1 stop7h 53m

$508

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Mon 11/17

10:25 pm-9:21 am

1 stop7h 56m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 17 results

Compare providers for flights from Ontario to Greensboro

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Greensboro in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Ontario-Greensboro flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Greensboro flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Greensboro flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Greensboro flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Greensboro flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Greensboro

Have a flexible travel schedule? Discover the best time to fly to Greensboro from Ontario 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 Ontario to Greensboro

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

Currently, February is the cheapest month in which you can book a flight from Ontario to Greensboro (average of $113). Flying from Ontario to Greensboro in December is currently the most expensive (average of $193). 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 Greensboro

Get a feel of what it's like to fly with Delta and American Airlines from Ontario to Greensboro by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

7,994 reviews

Reviews

1 / 20

10.0

Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Delta

7.9

Good

7,994 reviews

Delta

7.9

Good

7,994 reviews

Reviews

1 / 20

10.0

Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

American Airlines

7.2

Good

11,032 reviews

Delta

7.9

Good

7,994 reviews

Reviews

1 / 20

10.0

Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

How long is the flight from Ontario to Greensboro?
There are many flights that can get you from Ontario to Greensboro in 6h 06m. Fly via American Airlines, United Airlines, or Delta to get the fastest option. Ontario and Greensboro are separated by a distance of 2119 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Ontario to Greensboro round-trip?
Our cheapest airline available from Ontario to Greensboro is American Airlines. Our recent data shows that you can find tickets from as low as $308 on this airline. An additional option worth looking into is Delta, starting at $308. American Airlines is 31% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Ontario to Greensboro that include hotel bookings?
Yes. In addition to deals on Ontario to Greensboro flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Greensboro?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Greensboro.
Can I find deals for business class flights from Ontario to Greensboro?
Yes. Cheapflights offers flight deals from Ontario to Greensboro 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 Ontario to Greensboro?
Currently, February is the cheapest month in which you can book a flight from Ontario to Greensboro (average of $113). Flying from Ontario to Greensboro in December is currently the most expensive (average of $193). 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

Kernersville

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Ontario to Greensboro

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$308	Average$447	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$308	Average$418	FlexibilityNo cancel fee	On-timeN/A

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$189+ Cheap flights from Ontario to Greensboro (ONT - GSO)

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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Greensboro with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Greensboro

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Greensboro

Cheapest flights from Ontario to GreensboroExplore the most affordable flight options available from Ontario to Greensboro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

Explore the most affordable flight options available from Ontario to Greensboro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Ontario to Greensboro

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Greensboro in October.

Best time to book a flight from Ontario to Greensboro

Have a flexible travel schedule? Discover the best time to fly to Greensboro from Ontario with our price prediction graph.

Cheapflights Insights

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

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

Reviews of airlines servicing Greensboro

Get a feel of what it's like to fly with Delta and American Airlines from Ontario to Greensboro by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from Ontario to Greensboro?

What are the cheapest airlines flying from Ontario to Greensboro round-trip?

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

How can I find direct flights from Ontario to Greensboro?

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

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

Traveling to a place near Greensboro?

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Alternative routes for Ontario to Greensboro

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Top 2 airlines flying from Ontario to Greensboro

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Cheapest flights from Ontario to Greensboro
Explore the most affordable flight options available from Ontario to Greensboro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.