$294+ Cheap flights from Greensboro to Ontario (GSO - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
GSO — ONT
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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Find cheap flights from Greensboro to Ontario 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 Greensboro to Ontario
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Cheapest flights from Greensboro to OntarioExplore the most affordable flight options available from Greensboro to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
Explore the most affordable flight options available from Greensboro to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/3. 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 11/187:00 am -
1 stop7h 52m
Wed 12/210:30 pm -
1 stop7h 00m
Deal found 9/3![American Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 9/5. 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 10/217:00 am -
1 stop7h 06m
Tue 10/2712:16 pm -
1 stop8h 43m
Deal found 9/5![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 9/3. 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 12/167:00 am -
1 stop7h 08m
Wed 1/612:00 pm -
1 stop8h 54m
Deal found 9/3![Delta logo]()
$469
This American Airlines deal was found by Cheapflights users on 9/4. 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 12/167:00 am -
1 stop9h 31m
Wed 1/67:00 am -
1 stop6h 42m
Deal found 9/4![American Airlines logo]()
$488
This Delta deal was found by Cheapflights users on 9/5. 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 10/205:25 am -
1 stop8h 41m
Tue 10/2712:16 pm -
1 stop8h 43m
Deal found 9/5![Delta logo]()
$489
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/195:51 pm -
1 stop8h 08m
Wed 9/239:01 am -
2 stops11h 40m
Deal found 9/3![United Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Fri 10/237:06 am -
1 stop9h 24m
Tue 10/2710:10 pm -
1 stop7h 18m
Deal found 9/3![American Airlines logo]()
$492
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/35:51 pm -
1 stop7h 58m
Tue 10/66:00 am -
2 stops14h 42m
Deal found 9/4![United Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/37:00 am -
1 stop9h 25m
Wed 10/712:43 pm -
1 stop6h 47m
Deal found 9/4![American Airlines logo]()
$497
Best flights from Greensboro to OntarioDiscover carefully curated flight deals from Greensboro to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from Greensboro to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
This Delta deal was found by Cheapflights users on 9/7. 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 1/136:00 am -
1 stop8h 27m
Sun 1/1712:00 pm -
1 stop8h 54m
Deal found 9/7![Delta logo]()
$512
This United Airlines deal was found by Cheapflights users on 9/6. 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 3/28:00 am -
2 stops12h 47m
Tue 3/96:30 am -
2 stops12h 44m
Deal found 9/6![United Airlines logo]()
$519
This Delta deal was found by Cheapflights users on 9/7. 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 1/146:00 am -
1 stop8h 27m
Tue 1/1912:00 pm -
1 stop8h 54m
Deal found 9/7![Delta logo]()
$512
This United Airlines deal was found by Cheapflights users on 9/7. 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 1/1212:15 pm -
2 stops11h 05m
Tue 1/196:53 pm -
2 stops13h 14m
Deal found 9/7![United Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 9/7. 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 1/126:15 am -
2 stops9h 18m
Wed 1/206:00 am -
2 stops10h 04m
Deal found 9/7![United Airlines logo]()
$519
This Delta deal was found by Cheapflights users on 9/7. 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 1/116:00 am -
1 stop8h 27m
Tue 1/197:00 am -
1 stop9h 14m
Deal found 9/7![Delta logo]()
$533
This United Airlines deal was found by Cheapflights users on 9/7. 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 1/2012:15 pm -
2 stops11h 11m
Sun 1/246:53 pm -
2 stops13h 14m
Deal found 9/7![United Airlines logo]()
$519
This Delta deal was found by Cheapflights users on 9/3. 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 10/44:27 pm -
1 stop8h 57m
Wed 10/712:16 pm -
1 stop8h 43m
Deal found 9/3![Delta logo]()
$587
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/36:30 am -
2 stops9h 16m
Wed 10/71:52 pm -
2 stops17h 09m
Deal found 9/3![United Airlines logo]()
$558
This United Airlines deal was found by Cheapflights users on 9/6. 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 12/166:15 am -
2 stops9h 19m
Wed 1/66:53 pm -
2 stops13h 14m
Deal found 9/6![United Airlines logo]()
$585
This United Airlines deal was found by Cheapflights users on 9/3. 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 2/278:00 am -
1 stop13h 39m
Wed 3/35:00 am -
2 stops12h 57m
Deal found 9/3![United Airlines logo]()
$598
Last-minute flights from Greensboro to OntarioDiscover last-minute flight deals from Greensboro to Ontario. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Greensboro to Ontario. Data last updated September 8, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/195:51 pm -
1 stop8h 08m
Wed 9/239:01 am -
2 stops11h 40m
Deal found 9/3![United Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/37:00 am -
1 stop7h 47m
Wed 10/710:25 am -
1 stop9h 05m
Deal found 9/3![American Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/35:51 pm -
1 stop7h 58m
Tue 10/66:00 am -
2 stops14h 42m
Deal found 9/4![United Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 9/5. 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 10/205:25 am -
1 stop8h 41m
Tue 10/2712:16 pm -
1 stop8h 43m
Deal found 9/5![Delta logo]()
$489
This Delta deal was found by Cheapflights users on 9/5. 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 10/217:00 am -
1 stop7h 06m
Tue 10/2712:16 pm -
1 stop8h 43m
Deal found 9/5![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 9/4. 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 10/217:00 am -
1 stop7h 06m
Mon 10/2611:15 pm -
1 stop7h 12m
Deal found 9/4![Delta logo]()
$512
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Fri 10/237:06 am -
1 stop9h 24m
Tue 10/2710:10 pm -
1 stop7h 18m
Deal found 9/3![American Airlines logo]()
$492
One-way flights from Greensboro to OntarioSearch for one-way flight options from Greensboro to Ontario. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
Search for one-way flight options from Greensboro to Ontario. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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 10/154:24 pm -
1 stop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$294
This Delta deal was found by Cheapflights users on 9/7. 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 10/277:00 am -
1 stop7h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$304
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/276:15 am -
2 stops33h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 9/5. 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 9/307:08 am -
1 stop7h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$334
This American Airlines deal was found by Cheapflights users on 9/6. 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 11/26:09 pm -
1 stop8h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/286:00 am -
2 stops12h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/2911:06 am -
1 stop10h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 9/5. 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 9/287:00 am -
1 stop7h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$360
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/305:51 pm -
1 stop7h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/15:51 pm -
1 stop7h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$389
Find flight deals from Greensboro to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Greensboro (GSO) to Ontario (ONT). 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 September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $439 (Delta) |
One-way from | $294 (Delta) |
Popular in | September |
Cheapest in | March |
Average price | $650 |
Cheapflights Fare Finder
Customize your flight search to find flights from Greensboro to Ontario 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 7,457,451 searches. Data last updated September 8, 2026.
Use the filters below to find and compare flights from Greensboro to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
GreensboroOntario
GSO Greensboro/H. Point - ONT Ontario
GSOONT
Greensboro/H. Point
Thu 10/15
4:24 pm-9:54 pm
1 stop8h 30m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$294
GreensboroOntario
GSO Greensboro/H. Point - ONT Ontario
GSOONT
Greensboro/H. Point
Tue 10/27
3:36 pm-7:54 pm
1 stop7h 18m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$294
GreensboroOntario
GSO Greensboro/H. Point - ONT Ontario
GSOONT
Greensboro/H. Point
Sat 11/14
5:20 am-11:08 am
1 stop8h 48m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$294
GreensboroOntario
GSO Greensboro/H. Point - ONT Ontario
GSOONT
Greensboro/H. Point
Tue 12/1
7:00 am-11:08 am
1 stop7h 08m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$304
GreensboroOntario
GSO Greensboro/H. Point - ONT Ontario
GSOONT
Greensboro/H. Point
Sat 10/31
6:00 am-11:06 am
1 stop8h 06m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$304
GreensboroOntario
GSO Greensboro/H. Point - ONT Ontario
GSOONT
Greensboro/H. Point
Fri 11/27
6:00 am-11:08 am
1 stop8h 08m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$304
GreensboroOntario
GSO Greensboro/H. Point - ONT Ontario
GSOONT
Greensboro/H. Point
Tue 10/27
7:00 am-11:06 am
1 stop7h 06m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$304
Quickest round-trip
GreensboroOntario
GSO Greensboro/H. Point - ONT Ontario
GSOONT
Greensboro/H. Point
Tue 9/29
7:08 am-11:05 am
1 stop6h 57m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$334
GreensboroOntario
GSO Greensboro/H. Point - ONT Ontario
GSOONT
Greensboro/H. Point
Sat 10/3
7:08 am-11:07 am
1 stop6h 59m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$334
GreensboroOntario
GSO Greensboro/H. Point - ONT Ontario
GSOONT
Greensboro/H. Point
Wed 10/28
6:00 am-3:33 pm
2 stops12h 33m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$354
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Greensboro to Ontario
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 Greensboro to Ontario in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Greensboro-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Greensboro-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Greensboro-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Greensboro-Ontario 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 Greensboro-Ontario 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 Greensboro to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Greensboro with our price prediction graph.
GSO-ONT
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 Greensboro to Ontario
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated September 8, 2026.
Read through reviews of airlines operating flights from Greensboro to Ontario, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Greensboro to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Greensboro to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Greensboro to Ontario by cabin class
Find flights from Greensboro to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.
Greensboro and Ontario flights
Browse other Greensboro and Ontario flight options. Last updated on September 8, 2026.
Other flights from Greensboro
Browse through other flights departing from Greensboro. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Greensboro to Ontario
Discover the top 2 airlines that operate flights from Greensboro to Ontario. 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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$434 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$384 | Average$583 | FlexibilityNo cancel fee | On-time71% |