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Flights from Ontario to Greensboro
There are no direct flights from Ontario to Greensboro. The fastest way is one stop via Atlanta or Dallas, about 5h 49m door to door (56 connections a week on current schedules).
No direct flights · 5 connection options From 5h 49m
Ontario to Greensboro at a glance
Fastest journey5h 49mVia Atlanta, on current schedules
Nonstop flightsNoneConnect via Atlanta or Dallas
Best ways to fly from Ontario to Greensboro
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
ONT Atlanta (ATL) GSO
Leg 1: Delta Air Lines · Leg 2: Delta Air Lines
Tue12:15 ONT19:13 ATL0h 47m connection20:00 ATL21:04 GSODelta Air Lines
2Search
ONT Dallas (DFW) GSO
Leg 1: American Airlines, Frontier Airlines · Leg 2: American Airlines
Mon08:30 ONT13:17 DFW0h 58m connection14:15 DFW17:35 GSOAmerican Airlines
3Search
ONT Charlotte (CLT) GSO
Leg 1: American Airlines · Leg 2: American Airlines, Piedmont Airlines (1948-1989), Envoy Air
Sat22:15 ONT05:23 CLT2h 37m connection08:00 CLT08:27 GSOAmerican Airlines + Piedmont Airlines (1948-1989)
4Search
ONT Chicago (ORD) GSO
Leg 1: United Airlines, Volaris · Leg 2: Envoy Air, GoJet Airlines
Sun07:00 ONT12:50 ORD2h 10m connection15:00 ORD17:29 GSOUnited Airlines + GoJet Airlines
5Search
ONT Seattle (SEA) GSO
Leg 1: Alaska Airlines, Frontier Airlines, SkyWest · Leg 2: Alaska Airlines
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 3,431 km2,131 miles
- Journey time
- 5h 49mon current schedules
- Time difference
- +3hGreensboro vs Ontario
- Currency in Greensboro
- USD
- Airports
- ONT → GSO
Flights from Ontario to Greensboro: questions answered
Are there direct flights from Ontario to Greensboro?
No. There is no nonstop service, so you will connect, most easily in Atlanta, Dallas and Charlotte. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Ontario to Greensboro?
With one connection the journey usually takes around 5h 49m, depending on the layover. The straight-line distance is 3,431 km.
Where do you change planes between Ontario and Greensboro?
The best connecting points are Atlanta (ATL), Dallas (DFW), Charlotte (CLT) and Chicago (ORD). Delta Air Lines flies both legs via Atlanta, so you can book it as one ticket.
Which airports serve Ontario and Greensboro?
Ontario: Ontario International Airport (ONT). Greensboro: Piedmont Triad International Airport (GSO).
What is the time difference between Ontario and Greensboro?
Greensboro is 3 hours ahead of Ontario.





