HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Greensboro

$284+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GSO
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Greensboro 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 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 July 23, 2026.

This United Airlines deal was found by Cheapflights users on 7/19. 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.
Wed 8/55:45 am
ONT
-
GSO
2 stops12h 38m
United Airlines
Wed 8/2610:40 am
GSO
-
ONT
2 stops12h 21m
United Airlines
Deal found 7/19$450
This American Airlines deal was found by Cheapflights users on 7/19. 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 10/2810:25 am
ONT
-
GSO
1 stop9h 08m
American Airlines
Mon 11/26:09 pm
GSO
-
ONT
1 stop8h 34m
American Airlines
Deal found 7/19$482
This American Airlines deal was found by Cheapflights users on 7/19. 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 8/510:29 am
ONT
-
GSO
1 stop8h 47m
American Airlines
Wed 8/266:19 am
GSO
-
ONT
1 stop8h 24m
American Airlines
Deal found 7/19$487
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/307:13 pm
ONT
-
GSO
2 stops11h 51m
United Airlines
Sat 9/125:51 pm
GSO
-
ONT
1 stop8h 08m
United Airlines
Deal found 7/23$494
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/187:13 pm
ONT
-
GSO
2 stops11h 48m
United Airlines
Mon 9/215:51 pm
GSO
-
ONT
1 stop8h 08m
United Airlines
Deal found 7/20$528
This United Airlines deal was found by Cheapflights users on 7/22. 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 11/126:00 am
ONT
-
GSO
2 stops14h 52m
United Airlines
Mon 11/166:24 am
GSO
-
ONT
2 stops9h 18m
United Airlines
Deal found 7/22$535
This American Airlines deal was found by Cheapflights users on 7/20. 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 7/227:00 am
ONT
-
GSO
1 stop8h 04m
American Airlines
Tue 7/286:36 am
GSO
-
ONT
1 stop8h 09m
American Airlines
Deal found 7/20$545
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Sat 9/125:00 am
ONT
-
GSO
2 stops9h 14m
United Airlines
Sat 9/195:51 pm
GSO
-
ONT
1 stop8h 08m
United Airlines
Deal found 7/19$555
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Sun 10/412:37 pm
ONT
-
GSO
1 stop6h 43m
American Airlines
Thu 10/84:09 pm
GSO
-
ONT
1 stop9h 50m
American Airlines
Deal found 7/21$557
This Delta deal was found by Cheapflights users on 7/20. 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 10/285:52 pm
ONT
-
GSO
2 stops12h 38m
Delta
Mon 11/25:30 am
GSO
-
ONT
1 stop8h 38m
Delta
Deal found 7/20$577

Find flight deals from Ontario to Greensboro

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Greensboro (GSO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$450
(United Airlines)

One-way from

$284
(Delta)

Popular in

June

Cheapest in

December

Average price

$550
Provider with most accurate pricing for Ontario-Greensboro/H. Point flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Greensboro/H. Point flights.
Search Deals
From Ontario to Greensboro/H. Point
Search Deals
One-way flight from Ontario to Greensboro/H. Point
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($244 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Greensboro 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 July 23, 2026.
Use the filters below to find and compare flights from Ontario to Greensboro that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Sun 8/30

7:13 pm-10:04 am

2 stops11h 51m

Greensboro/H. Point

Sat 9/12

5:51 pm-10:59 pm

1 stop8h 08m

$494

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Wed 10/28

5:52 pm-9:30 am

2 stops12h 38m

Greensboro/H. Point

Mon 11/2

5:30 am-11:08 am

1 stop8h 38m

$577

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Thu 9/17

7:13 pm-10:01 am

2 stops11h 48m

Greensboro/H. Point

Mon 9/21

5:51 pm-10:59 pm

1 stop8h 08m

$599

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Thu 8/13

12:00 pm-11:59 pm

1 stop8h 59m

Greensboro/H. Point

Mon 8/17

4:30 pm-9:52 pm

1 stop8h 22m

$607

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Fri 11/13

7:00 am-4:23 pm

1 stop6h 23m

Greensboro/H. Point

Mon 11/16

12:30 pm-10:43 pm

2 stops13h 13m

$629
Quickest round-trip

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Sun 8/2

11:48 am-10:43 pm

1 stop7h 55m

Greensboro/H. Point

Sun 8/9

5:30 am-10:42 am

1 stop8h 12m

$632

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Fri 8/14

7:13 pm-10:05 am

2 stops11h 52m

Greensboro/H. Point

Thu 8/20

10:40 am-10:59 pm

2 stops15h 19m

$640

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Wed 10/28

6:00 am-11:48 pm

2 stops14h 48m

Greensboro/H. Point

Mon 11/2

6:24 am-8:56 pm

2 stops17h 32m

$643
Cheapest one-way

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Mon 8/24

10:00 pm-9:22 am

1 stop8h 22m

$284

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Thu 8/20

10:00 pm-9:22 am

1 stop8h 22m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Greensboro flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

How much does it cost to fly round-trip from Ontario to Greensboro?

Airfare is below average for this route at the moment.

Ontario to Greensboro flights typically cost between $488 and $584 in August.
The cheapest round-trip price found within the last 5 days was $450 on United Airlines (Aug 5-Aug 26).

Reviews of airlines servicing Greensboro

Get insights into the airlines that provide service to Greensboro. 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 Greensboro. Reviews last updated July 23, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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
7.8
Good
8,479 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.8

Overall

7.8

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
7.8
Good
8,479 reviews
Delta
7.8
Good
8,479 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.8

Overall

7.8

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
United Airlines
7.4
Good
10,024 reviews
Delta
7.8
Good
8,479 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.8

Overall

7.8

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
7.1
Good
11,832 reviews
Delta
7.8
Good
8,479 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.8

Overall

7.8

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

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?

    There are many flights that can get you from Ontario to Greensboro in 11h 51m. Fly via 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 Delta. Our recent data shows that you can find tickets from as low as $308 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $348 and $427 round-trip. Delta is 51% 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.

See more FAQs

Traveling to a place near Greensboro?

Book flights to Greensboro if you plan to visit one of these locations
Asheboro
Kernersville
High Point

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.

Alternative routes for Ontario to Greensboro

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Raleigh flights
San Francisco to Raleigh flights
Los Angeles to Charlotte flights
San Francisco to Charlotte flights
Ontario to Charlotte flights
Los Angeles to Norfolk flights
San Diego to Norfolk flights
San Diego to Charlotte flights
Ontario to Raleigh flights
Los Angeles to Knoxville flights
Las Vegas to Raleigh flights
San Diego to Raleigh flights
Las Vegas to Charlotte flights
Ontario to Knoxville flights
Los Angeles to Myrtle Beach flights
Sacramento to Knoxville flights
San Francisco to Asheville flights
Los Angeles to Greensboro flights
Sacramento to Charlotte flights
Santa Ana to Charlotte flights
Los Angeles to Asheville flights
Oakland to Raleigh flights
Ontario to Norfolk flights
San Jose to Charlotte flights
San Francisco to Knoxville flights
Burbank to Raleigh flights
Sacramento to Raleigh flights
San Diego to Knoxville flights
San Francisco to Greensboro flights
Oakland to Charlotte flights
Fresno to Raleigh flights
Sacramento to Norfolk flights
Los Angeles to Wilmington flights
Burbank to Charlotte flights
Las Vegas to Knoxville flights
Santa Ana to Knoxville flights
Ontario to Asheville flights
Fresno to Charlotte flights
San Diego to Asheville flights
San Francisco to Myrtle Beach flights
Fresno to Knoxville flights
San Francisco to Wilmington flights
Santa Ana to Norfolk flights
Long Beach to Raleigh flights
Sacramento to Asheville flights
Fresno to Myrtle Beach flights

Top 3 airlines flying from Ontario to Greensboro

Discover the top 3 airlines that operate flights from Ontario to Greensboro. 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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$308Average$543FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$348Average$578FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$427Average$1,097FlexibilityNo cancel feeOn-time69%

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.
Site
©2026 Cheapflights