Flights from Ontario to Greenville (ONT → GSP)

ONT
Ontario
Ontario International Airport, USA
GSP
Greenville
Greenville-Spartanburg International, USA
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No direct flights found. Here are the 8 fastest 1-stop options.
viaNashville(BNA)
ONT→BNA+1h 30mBNA→GSP
5h 18m
viaAtlanta(ATL)
ONT→ATL+1h 30mATL→GSP
5h 22m
viaDallas(DFW)
ONT→DFW+1h 30mDFW→GSP
5h 23m
viaDenver(DEN)
ONT→DEN+1h 30mDEN→GSP
5h 28m
viaCharlotte(CLT)
ONT→CLT+1h 30mCLT→GSP
5h 35m
viaHouston(IAH)
ONT→IAH+1h 30mIAH→GSP
5h 36m
viaChicago(ORD)
ONT→ORD+1h 30mORD→GSP
5h 49m
viaBaltimore(BWI)
ONT→BWI+1h 30mBWI→GSP
6h 37m
Search all options on Kiwi.com → Total times include an estimated 90-minute layover. Actual times vary by airline and connection.

Frequently asked questions

Are there direct flights from Ontario to Greenville? Currently, there are no direct flights from ONT to GSP. You may need to connect through another airport.

Related guides for this route

Sibling pages from across Flightmaps — fares, visa rules, country aggregations, and per-airline routes for Ontario → Greenville.

Cheap flights from Ontario to Greenville Cheapest month to fly to Greenville Flights from USA Flights to USA Visa-free with USA passport All airports in USA

Try a nearby airport to Ontario

Flights to Greenville (GSP) from other airports within 350 km of Ontario. Often unlocks cheaper fares or better times.

SNA → GSP 48 km from ONT Santa Ana → Greenville USA · 48 destinations LGB → GSP 57 km from ONT Long Beach → Greenville USA · 18 destinations BUR → GSP 71 km from ONT Burbank → Greenville USA · 31 destinations LAX → GSP 75 km from ONT Los Angeles → Greenville USA · 181 destinations VNY → GSP 84 km from ONT Los Angeles → Greenville USA · 9 destinations

Or try a nearby airport to Greenville

Flights from Ontario (ONT) to other airports within 350 km of Greenville.

ONT → AVL 67 km from GSP Ontario → Asheville USA · 26 destinations ONT → CLT 122 km from GSP Ontario → Charlotte USA · 194 destinations ONT → CAE 146 km from GSP Ontario → Columbia USA · 13 destinations ONT → USA 148 km from GSP Ontario → Concord USA · 12 destinations ONT → AGS 170 km from GSP Ontario → Augusta USA · 7 destinations

Other flights from Ontario (ONT)

Atlanta (ATL) Austin (AUS) Baltimore (BWI) Boise (BOI) Charlotte (CLT) Chicago (MDW) Chicago (ORD) Dallas (DAL) All 31 destinations →

Other flights from Greenville (GSP)

Atlanta (ATL) Baltimore (BWI) Baton Rouge (BTR) Charlotte (CLT) Chicago (ORD) Cincinnati (CVG) Columbus (CMH) Dallas (DFW) All 31 destinations →