$176+ 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 29 — Jun 51
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
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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
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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 April 29, 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 April 29, 2026.
This Delta deal was found by Cheapflights users on 4/28. 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 5/2812:07 pm
ONT
- GSO
1 stop7h 03m
Delta
Tue 6/24:07 pm
GSO
- ONT
1 stop8h 41m
Delta
Deal found 4/28![Delta logo]()
$385
This American Airlines deal was found by Cheapflights users on 4/29. 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 10/286:00 am
ONT
- GSO
2 stops8h 13m
American Airlines
Mon 11/25:32 pm
GSO
- ONT
1 stop7h 51m
American Airlines
Deal found 4/29![American Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 4/29. 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
2 stops13h 54m
Delta
Mon 11/210:45 am
GSO
- ONT
2 stops10h 33m
Delta
Deal found 4/29![Delta logo]()
$395
This American Airlines deal was found by Cheapflights users on 4/29. 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 4/29![American Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/205:00 am
ONT
- GSO
2 stops13h 09m
United Airlines
Sun 5/245:41 pm
GSO
- ONT
1 stop8h 10m
United Airlines
Deal found 4/29![United Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 4/27. 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 5/2210:00 pm
ONT
- GSO
1 stop8h 22m
Delta
Sat 5/306:40 am
GSO
- ONT
1 stop7h 17m
Delta
Deal found 4/27![Delta logo]()
$472
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/236:39 pm
ONT
- GSO
2 stops12h 30m
United Airlines
Sun 5/315:41 pm
GSO
- ONT
1 stop8h 10m
United Airlines
Deal found 4/27![United Airlines logo]()
$504
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 April 29, 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 April 29, 2026.
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/236:39 pm
ONT
- GSO
2 stops12h 30m
United Airlines
Fri 5/295:32 pm
GSO
- ONT
1 stop8h 19m
United Airlines
Deal found 4/27![United Airlines logo]()
$544
This Delta deal was found by Cheapflights users on 4/28. 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 6/245:59 pm
ONT
- GSO
2 stops14h 39m
Delta
Wed 7/16:00 am
GSO
- ONT
1 stop7h 40m
Delta
Deal found 4/28![Delta logo]()
$564
This Delta deal was found by Cheapflights users on 4/29. 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.
Sun 5/1710:00 pm
ONT
- GSO
1 stop8h 22m
Delta
Thu 5/212:47 pm
GSO
- ONT
1 stop6h 49m
Delta
Deal found 4/29![Delta logo]()
$578
This United Airlines deal was found by Cheapflights users on 4/29. 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
Sun 5/315:41 pm
GSO
- ONT
1 stop8h 10m
United Airlines
Deal found 4/29![United Airlines logo]()
$578
This Delta deal was found by Cheapflights users on 4/26. 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 6/2910:00 pm
ONT
- GSO
1 stop9h 27m
Delta
Fri 7/32:54 pm
GSO
- ONT
2 stops11h 55m
Delta
Deal found 4/26![Delta logo]()
$594
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/205:00 am
ONT
- GSO
2 stops8h 58m
United Airlines
Sun 5/246:00 am
GSO
- ONT
2 stops14h 28m
United Airlines
Deal found 4/29![United Airlines logo]()
$601
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/236:30 am
ONT
- GSO
1 stop11h 32m
United Airlines
Sat 5/305:32 pm
GSO
- ONT
1 stop8h 19m
United Airlines
Deal found 4/27![United Airlines logo]()
$632
This Delta deal was found by Cheapflights users on 4/25. 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 5/1410:00 pm
ONT
- GSO
1 stop8h 22m
Delta
Sun 5/176:40 am
GSO
- ONT
1 stop7h 17m
Delta
Deal found 4/25![Delta logo]()
$677
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/176:59 pm
ONT
- GSO
2 stops13h 59m
United Airlines
Sun 5/245:41 pm
GSO
- ONT
1 stop8h 10m
United Airlines
Deal found 4/28![United Airlines logo]()
$648
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/1010:37 am
ONT
- GSO
2 stops10h 47m
United Airlines
Sat 5/169:28 am
GSO
- ONT
2 stops15h 30m
United Airlines
Deal found 4/28![United Airlines logo]()
$649
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/156:59 pm
ONT
- GSO
2 stops13h 59m
United Airlines
Sun 5/245:41 pm
GSO
- ONT
1 stop8h 10m
United Airlines
Deal found 4/26![United Airlines logo]()
$663
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/176:59 pm
ONT
- GSO
2 stops11h 47m
United Airlines
Thu 5/216:00 am
GSO
- ONT
2 stops14h 28m
United Airlines
Deal found 4/28![United Airlines logo]()
$687
Last-minute flights from Ontario to GreensboroDiscover last-minute flight deals from Ontario to Greensboro. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Greensboro. Data last updated April 29, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/36:00 am
ONT
- GSO
1 stop6h 58m
American Airlines
Fri 5/154:48 pm
GSO
- ONT
1 stop8h 52m
American Airlines
Deal found 4/29![American Airlines logo]()
$549
This Delta deal was found by Cheapflights users on 4/29. 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 5/510:15 pm
ONT
- GSO
1 stop8h 06m
Delta
Sat 5/95:23 am
GSO
- ONT
2 stops9h 56m
Delta
Deal found 4/29![Delta logo]()
$550
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/76:00 am
ONT
- GSO
1 stop6h 58m
American Airlines
Sat 6/277:49 pm
GSO
- ONT
1 stop7h 10m
American Airlines
Deal found 4/29![American Airlines logo]()
$532
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/205:00 am
ONT
- GSO
2 stops13h 09m
United Airlines
Sun 5/245:41 pm
GSO
- ONT
1 stop8h 10m
United Airlines
Deal found 4/29![United Airlines logo]()
$445
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/2010:26 pm
ONT
- GSO
1 stop7h 05m
American Airlines
Sun 5/247:48 pm
GSO
- ONT
1 stop7h 11m
American Airlines
Deal found 4/29![American Airlines logo]()
$519
This Delta deal was found by Cheapflights users on 4/27. 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 5/2210:00 pm
ONT
- GSO
1 stop8h 22m
Delta
Sun 5/311:05 pm
GSO
- ONT
1 stop8h 31m
Delta
Deal found 4/27![Delta logo]()
$405
This Delta deal was found by Cheapflights users on 4/27. 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 5/2210:00 pm
ONT
- GSO
1 stop8h 22m
Delta
Fri 5/294:07 pm
GSO
- ONT
2 stops10h 27m
Delta
Deal found 4/27![Delta logo]()
$410
This Delta deal was found by Cheapflights users on 4/27. 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 5/2210:00 pm
ONT
- GSO
1 stop8h 22m
Delta
Sat 5/306:40 am
GSO
- ONT
1 stop7h 17m
Delta
Deal found 4/27![Delta logo]()
$472
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/236:39 pm
ONT
- GSO
2 stops12h 30m
United Airlines
Sat 5/305:32 pm
GSO
- ONT
1 stop8h 19m
United Airlines
Deal found 4/27![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/236:39 pm
ONT
- GSO
2 stops12h 30m
United Airlines
Fri 5/295:32 pm
GSO
- ONT
1 stop8h 19m
United Airlines
Deal found 4/27![United Airlines logo]()
$544
This Delta deal was found by Cheapflights users on 4/28. 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 5/2812:07 pm
ONT
- GSO
1 stop7h 03m
Delta
Tue 6/24:07 pm
GSO
- ONT
1 stop8h 41m
Delta
Deal found 4/28![Delta logo]()
$385
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/2811:59 pm
ONT
- GSO
2 stops11h 02m
American Airlines
Thu 6/116:33 pm
GSO
- ONT
1 stop7h 03m
American Airlines
Deal found 4/28![American Airlines logo]()
$539
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 April 29, 2026.
Search for one-way flight options from Ontario to Greensboro. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This Trip.com deal was found by Cheapflights users on 4/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
ONT
- GSO
2 stops29h 26m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$176
This Delta deal was found by Cheapflights users on 4/26. 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 5/1812:07 pm
ONT
- GSO
1 stop7h 03m
Delta
Deal found 4/26![Delta logo]()
$240
This Delta deal was found by Cheapflights users on 4/28. 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 5/254:57 pm
ONT
- GSO
2 stops13h 25m
Delta
Deal found 4/28![Delta logo]()
$245
This Delta deal was found by Cheapflights users on 4/26. 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.
Sun 5/1710:00 pm
ONT
- GSO
1 stop8h 22m
Delta
Deal found 4/26![Delta logo]()
$261
This American Airlines deal was found by Cheapflights users on 4/28. 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 6/2210:00 pm
ONT
- GSO
1 stop7h 31m
American Airlines
Deal found 4/28![American Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1411:36 am
ONT
- GSO
3 stops25h 12m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/197:00 am
ONT
- GSO
1 stop6h 58m
United Airlines
Deal found 4/27![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 4/28. 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 6/236:20 am
ONT
- GSO
2 stops13h 06m
Delta
Deal found 4/28![Delta logo]()
$295
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/186:59 pm
ONT
- GSO
2 stops13h 59m
United Airlines
Deal found 4/26![United Airlines logo]()
$300
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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $385 (Delta) |
One-way from | $176 (Trip.com) |
Popular in | November |
Cheapest in | September |
Average price | $578 |
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 29, 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
Sat 5/23
6:39 pm-10:09 am
2 stops12h 30m
Greensboro/H. Point
Fri 5/29
5:32 pm-10:51 pm
1 stop8h 19m
$544
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Wed 6/24
5:59 pm-11:38 am
2 stops14h 39m
Greensboro/H. Point
Wed 7/1
6:00 am-10:40 am
1 stop7h 40m
$564
Quickest round-trip
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Sun 5/17
10:00 pm-9:22 am
1 stop8h 22m
Greensboro/H. Point
Thu 5/21
2:47 pm-6:36 pm
1 stop6h 49m
$578
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Wed 5/27
6:30 am-4:57 pm
1 stop7h 27m
Greensboro/H. Point
Sun 5/31
5:41 pm-10:51 pm
1 stop8h 10m
$578
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Mon 6/29
10:00 pm-10:27 am
1 stop9h 27m
Greensboro/H. Point
Fri 7/3
2:54 pm-11:49 pm
2 stops11h 55m
$594
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Wed 5/20
5:00 am-4:58 pm
2 stops8h 58m
Greensboro/H. Point
Sun 5/24
6:00 am-5:28 pm
2 stops14h 28m
$601
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Sat 5/23
6:30 am-9:02 pm
1 stop11h 32m
Greensboro/H. Point
Sat 5/30
5:32 pm-10:51 pm
1 stop8h 19m
$632
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Sun 5/17
6:59 pm-11:58 am
2 stops13h 59m
Greensboro/H. Point
Sun 5/24
5:41 pm-10:51 pm
1 stop8h 10m
$648
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Sun 5/10
10:37 am-12:24 am
2 stops10h 47m
Greensboro/H. Point
Sat 5/16
9:28 am-9:58 pm
2 stops15h 30m
$649
OntarioGreensboro
ONT - GSO
ONTGSO
Ontario
Fri 5/15
6:59 pm-11:58 am
2 stops13h 59m
Greensboro/H. Point
Sun 5/24
5:41 pm-10:51 pm
1 stop8h 10m
$663
Showing 1-10 of 23 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 April.
| 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 April 29, 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.
Comfort
7.9
Entertainment
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Comfort
7.9
Entertainment
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Comfort
7.9
Entertainment
7.8
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.2
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
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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 29, 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 |