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Greensboro

$178+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GSO
May 24 — May 311
Sun 5/24
Sun 5/31
1 adult, Economy
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Find cheap flights from Ontario to Greensboro with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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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 April 24, 2026.

This United Airlines deal was found by Cheapflights users on 4/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:30 am
ONT
-
GSO
1 stop7h 27m
United Airlines
Tue 6/26:00 am
GSO
-
ONT
2 stops14h 28m
United Airlines
Deal found 4/21$394
This American Airlines deal was found by Cheapflights users on 4/20. 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 10/287:20 am
ONT
-
GSO
1 stop8h 26m
American Airlines
Mon 11/25:32 pm
GSO
-
ONT
1 stop7h 51m
American Airlines
Deal found 4/20$405
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am
ONT
-
GSO
1 stop9h 14m
Delta
Mon 11/210:45 am
GSO
-
ONT
2 stops10h 33m
Delta
Deal found 4/23$410
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:00 pm
ONT
-
GSO
1 stop8h 22m
Delta
Thu 5/212:47 pm
GSO
-
ONT
1 stop6h 49m
Delta
Deal found 4/22$437
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:00 pm
ONT
-
GSO
2 stops17h 18m
Delta
Tue 5/194:07 pm
GSO
-
ONT
1 stop8h 41m
Delta
Deal found 4/22$440
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1211:59 pm
ONT
-
GSO
2 stops9h 31m
American Airlines
Tue 5/194:48 pm
GSO
-
ONT
1 stop8h 52m
American Airlines
Deal found 4/22$442
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Thu 7/2312:39 pm
ONT
-
GSO
1 stop7h 18m
American Airlines
Tue 7/287:48 pm
GSO
-
ONT
1 stop7h 11m
American Airlines
Deal found 4/20$460
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:59 am
ONT
-
GSO
1 stop8h 48m
American Airlines
Tue 5/191:37 pm
GSO
-
ONT
2 stops12h 03m
American Airlines
Deal found 4/22$467
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 5/286:30 am
ONT
-
GSO
2 stops14h 14m
United Airlines
Sun 5/315:41 pm
GSO
-
ONT
1 stop8h 10m
United Airlines
Deal found 4/23$468
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:00 pm
ONT
-
GSO
1 stop8h 22m
Delta
Sat 5/3012:25 pm
GSO
-
ONT
1 stop9h 11m
Delta
Deal found 4/23$471

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 April 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$391
(Delta)

One-way from

$178
(Trip.com)

Popular in

November

Cheapest in

September

Average price

$578
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. 12% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 24, 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

Thu 7/23

10:00 pm-9:27 am

1 stop8h 27m

Greensboro/H. Point

Tue 7/28

5:25 am-12:08 pm

2 stops9h 43m

$410

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Tue 5/12

11:59 pm-12:30 pm

2 stops9h 31m

Greensboro/H. Point

Tue 5/19

4:48 pm-10:40 pm

1 stop8h 52m

$442

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Thu 5/28

6:30 am-11:44 pm

2 stops14h 14m

Greensboro/H. Point

Sun 5/31

5:41 pm-10:51 pm

1 stop8h 10m

$468

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Thu 5/28

10:00 pm-9:22 am

1 stop8h 22m

Greensboro/H. Point

Sun 5/31

5:23 am-10:57 am

1 stop8h 34m

$472

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Tue 5/12

6:59 pm-9:47 am

2 stops11h 48m

Greensboro/H. Point

Tue 5/19

9:28 am-5:52 pm

2 stops11h 24m

$515

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Thu 7/23

6:30 am-11:44 pm

2 stops14h 14m

Greensboro/H. Point

Tue 7/28

5:37 pm-10:51 pm

1 stop8h 14m

$516

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Fri 5/1

12:49 pm-11:55 pm

1 stop8h 06m

Greensboro/H. Point

Sat 5/9

5:23 am-10:57 am

1 stop8h 34m

$532
Quickest round-trip

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Fri 6/19

12:40 pm-11:03 pm

1 stop7h 23m

Greensboro/H. Point

Mon 6/22

7:48 pm-11:59 pm

1 stop7h 11m

$559

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Thu 5/21

10:00 pm-8:31 am

1 stop7h 31m

Greensboro/H. Point

Thu 5/28

7:48 pm-11:59 pm

1 stop7h 11m

$569

OntarioGreensboro

ONT - GSO

ONTGSO

Ontario

Fri 5/1

7:00 am-4:58 pm

1 stop6h 58m

Greensboro/H. Point

Sat 5/9

12:45 pm-6:01 pm

1 stop8h 16m

$619

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 18 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice 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 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?

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 April 24, 2026.
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
8,450 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

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
8,450 reviews
Delta
7.9
Good
8,450 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

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
11,666 reviews
Delta
7.9
Good
8,450 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

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 8h 27m. Fly via Delta, American Airlines, or United Airlines 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 39% 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

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Top 2 airlines flying from Ontario to Greensboro

Discover the top 2 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 April 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$501FlexibilityNo cancel feeOn-time71%
DeltaCheapest$308Average$543FlexibilityNo cancel feeOn-timeN/A

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