$238+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GSO
Jun 21 — Jun 281
Round-trip
1 adult, Economy
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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
Best
Last-minute
One-way
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 May 22, 2026.
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 May 22, 2026.
This United Airlines deal was found by Cheapflights users on 5/18. 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 9/107:13 pm
ONT
- GSO
2 stops11h 51m
United Airlines
Wed 9/2310:40 am
GSO
- ONT
2 stops12h 21m
United Airlines
Deal found 5/18![United Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 5/20. 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 6/2412:37 pm
ONT
- GSO
1 stop7h 25m
American Airlines
Wed 7/17:49 pm
GSO
- ONT
1 stop7h 10m
American Airlines
Deal found 5/20![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 5/22. 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 6/165:45 am
ONT
- GSO
1 stop9h 28m
American Airlines
Wed 6/247:49 pm
GSO
- ONT
1 stop7h 10m
American Airlines
Deal found 5/22![American Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 5/18. 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 7/811:48 am
ONT
- GSO
1 stop9h 11m
Delta
Mon 7/135:25 am
GSO
- ONT
1 stop8h 13m
Delta
Deal found 5/18![Delta logo]()
$475
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Tue 11/107:00 am
ONT
- GSO
1 stop7h 04m
United Airlines
Sat 11/145:34 pm
GSO
- ONT
1 stop7h 52m
United Airlines
Deal found 5/21![United Airlines logo]()
$479
This American Airlines deal was found by Cheapflights users on 5/19. 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 10/2812:35 pm
ONT
- GSO
1 stop6h 45m
American Airlines
Mon 11/24:07 pm
GSO
- ONT
2 stops10h 50m
American Airlines
Deal found 5/19![American Airlines logo]()
$480
This Delta deal was found by Cheapflights users on 5/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:00 pm
ONT
- GSO
1 stop6h 57m
Delta
Mon 11/25:15 pm
GSO
- ONT
1 stop7h 59m
Delta
Deal found 5/21![Delta logo]()
$482
Best flights from Ontario to GreensboroDiscover 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 May 22, 2026.
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 May 22, 2026.
This United Airlines deal was found by Cheapflights users on 5/18. 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 9/107:13 pm
ONT
- GSO
2 stops11h 51m
United Airlines
Wed 9/2310:40 am
GSO
- ONT
2 stops12h 21m
United Airlines
Deal found 5/18![United Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 5/19. 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 10/2812:35 pm
ONT
- GSO
1 stop6h 45m
American Airlines
Mon 11/24:07 pm
GSO
- ONT
2 stops10h 50m
American Airlines
Deal found 5/19![American Airlines logo]()
$480
This Delta deal was found by Cheapflights users on 5/18. 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 10/810:59 pm
ONT
- GSO
1 stop7h 31m
Delta
Mon 10/1212:30 pm
GSO
- ONT
1 stop8h 48m
Delta
Deal found 5/18![Delta logo]()
$521
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Tue 11/107:00 am
ONT
- GSO
1 stop7h 04m
United Airlines
Sat 11/145:34 pm
GSO
- ONT
1 stop7h 52m
United Airlines
Deal found 5/21![United Airlines logo]()
$479
This American Airlines deal was found by Cheapflights users on 5/17. 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.
Wed 6/2412:37 pm
ONT
- GSO
1 stop7h 25m
American Airlines
Wed 7/17:49 pm
GSO
- ONT
1 stop7h 10m
American Airlines
Deal found 5/17![American Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 5/18. 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 6/117:05 am
ONT
- GSO
1 stop9h 06m
Delta
Sun 6/142:54 pm
GSO
- ONT
1 stop6h 36m
Delta
Deal found 5/18![Delta logo]()
$540
This American Airlines deal was found by Cheapflights users on 5/17. 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 6/1612:41 pm
ONT
- GSO
1 stop7h 21m
American Airlines
Sun 6/216:44 am
GSO
- ONT
1 stop9h 44m
American Airlines
Deal found 5/17![American Airlines logo]()
$576
Last-minute flights from Ontario to GreensboroDiscover last-minute flight deals from Ontario to Greensboro. Data last updated May 22, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Greensboro. Data last updated May 22, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/19. 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.
Sat 5/3010:00 pm
ONT
- GSO
1 stop7h 31m
American Airlines
Sat 6/134:12 pm
GSO
- ONT
1 stop9h 24m
American Airlines
Deal found 5/19![American Airlines logo]()
$545
This Delta deal was found by Cheapflights users on 5/18. 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 6/117:05 am
ONT
- GSO
1 stop9h 06m
Delta
Sun 6/142:54 pm
GSO
- ONT
1 stop6h 36m
Delta
Deal found 5/18![Delta logo]()
$540
This American Airlines deal was found by Cheapflights users on 5/22. 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 6/165:45 am
ONT
- GSO
1 stop9h 28m
American Airlines
Wed 6/247:49 pm
GSO
- ONT
1 stop7h 10m
American Airlines
Deal found 5/22![American Airlines logo]()
$452
This American Airlines deal was found by Cheapflights users on 5/19. 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.
Tue 6/1612:41 pm
ONT
- GSO
1 stop7h 21m
American Airlines
Sat 6/204:12 pm
GSO
- ONT
2 stops10h 47m
American Airlines
Deal found 5/19![American Airlines logo]()
$515
This American Airlines deal was found by Cheapflights users on 5/20. 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 6/2412:37 pm
ONT
- GSO
1 stop7h 25m
American Airlines
Wed 7/17:49 pm
GSO
- ONT
1 stop7h 10m
American Airlines
Deal found 5/20![American Airlines logo]()
$429
One-way flights from Ontario to GreensboroSearch for one-way flight options from Ontario to Greensboro. Find affordable one-way fares based on user searches. Data last updated May 22, 2026.
Search for one-way flight options from Ontario to Greensboro. Find affordable one-way fares based on user searches. Data last updated May 22, 2026.
This Delta deal was found by Cheapflights users on 5/18. 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 7/2110:00 pm
ONT
- GSO
1 stop8h 27m
Delta
Deal found 5/18![Delta logo]()
$238
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/911:48 am
ONT
- GSO
1 stop9h 11m
Delta
Deal found 5/19![Delta logo]()
$261
This American Airlines deal was found by Cheapflights users on 5/20. 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.
Mon 6/2211:59 pm
ONT
- GSO
2 stops11h 11m
American Airlines
Deal found 5/20![American Airlines logo]()
$284
This American Airlines deal was found by Cheapflights users on 5/21. 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.
Thu 6/115:45 am
ONT
- GSO
1 stop9h 28m
American Airlines
Deal found 5/21![American Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 5/20. 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.
Sat 6/610:00 pm
ONT
- GSO
1 stop8h 29m
Delta
Deal found 5/20![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 5/20. 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.
Wed 5/276:39 pm
ONT
- GSO
2 stops12h 30m
United Airlines
Deal found 5/20![United Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 5/21. 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.
Sat 6/135:45 am
ONT
- GSO
1 stop9h 28m
American Airlines
Deal found 5/21![American Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 5/18. 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 8/257:00 am
ONT
- GSO
1 stop7h 15m
United Airlines
Deal found 5/18![United Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 5/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1011:50 am
ONT
- GSO
2 stops22h 50m
Delta
Deal found 5/21![Delta logo]()
$393
This United Airlines deal was found by Cheapflights users on 5/20. 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.
Thu 7/96:10 am
ONT
- GSO
2 stops14h 26m
United Airlines
Deal found 5/20![United Airlines logo]()
$395
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 May 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $404 (United Airlines) |
One-way from | $238 (Delta) |
Popular in | November |
Cheapest in | December |
Average price | $631 |
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 May 22, 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
Cheapest round-trip
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Thu 9/10
7:13 pm-10:04 am
2 stops11h 51m
Greensboro/H. Point
Wed 9/23
10:40 am-8:01 pm
2 stops12h 21m
$404
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Tue 11/10
7:00 am-5:04 pm
1 stop7h 04m
Greensboro/H. Point
Sat 11/14
5:34 pm-10:26 pm
1 stop7h 52m
$479
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Wed 10/28
12:35 pm-10:20 pm
1 stop6h 45m
Greensboro/H. Point
Mon 11/2
4:07 pm-11:57 pm
2 stops10h 50m
$480
Quickest round-trip
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Wed 6/24
12:37 pm-11:02 pm
1 stop7h 25m
Greensboro/H. Point
Wed 7/1
7:49 pm-11:59 pm
1 stop7h 10m
$487
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Thu 10/8
10:59 pm-9:30 am
1 stop7h 31m
Greensboro/H. Point
Mon 10/12
12:30 pm-6:18 pm
1 stop8h 48m
$521
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Thu 6/11
7:05 am-7:11 pm
1 stop9h 06m
Greensboro/H. Point
Sun 6/14
2:54 pm-6:30 pm
1 stop6h 36m
$540
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Tue 6/16
12:41 pm-11:02 pm
1 stop7h 21m
Greensboro/H. Point
Sun 6/21
6:44 am-1:28 pm
1 stop9h 44m
$576
Cheapest one-way
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Tue 7/21
10:00 pm-9:27 am
1 stop8h 27m
$238
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Fri 7/24
10:00 pm-9:27 am
1 stop8h 27m
$279
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Thu 7/30
10:00 pm-9:27 am
1 stop8h 27m
$279
Showing 1-10 of 18 resultsSorted by cheapest first
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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.
ONT-GSO
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
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 May 22, 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.
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
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.
Traveling to a place near Greensboro?
Book flights to Greensboro if you plan to visit one of these locationsAsheboro
Kernersville
High Point
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip
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Search flights from Ontario to Greensboro by cabin class
Find flights from Ontario to Greensboro, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Greensboro
Explore flights to Greensboro departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 22, 2026.
Ontario and Greensboro flights
Browse other Ontario and Greensboro flight options. Last updated on May 22, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on May 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 May 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$501 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$308 | Average$526 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$427 | Average$1,097 | FlexibilityNo cancel fee | On-time69% |