Flights from Ontario to Athens (ONT → ATH)

ONT
Ontario
Ontario International Airport, USA
ATH
Athens
Athens International Airport, Greece
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No direct flights found. Here are the 5 fastest 1-stop options.
viaChicago(ORD)
ONT→ORD+1h 30mORD→ATH
15h 2m
viaNew York(JFK)
ONT→JFK+1h 30mJFK→ATH
15h 25m
viaDallas(DFW)
ONT→DFW+1h 30mDFW→ATH
15h 35m
viaCharlotte(CLT)
ONT→CLT+1h 30mCLT→ATH
15h 47m
viaAtlanta(ATL)
ONT→ATL+1h 30mATL→ATH
15h 51m
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 Athens? Currently, there are no direct flights from ONT to ATH. 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 → Athens.

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

Try a nearby airport to Ontario

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

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

Or try a nearby airport to Athens

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

ONT → JMK 135 km from ATH Ontario → Mykonos Greece · 49 destinations ONT → JSI 143 km from ATH Ontario → Skiathos Greece · 34 destinations ONT → KLX 195 km from ATH Ontario → Kalamata Greece · 23 destinations ONT → JTR 218 km from ATH Ontario → Thira Greece · 57 destinations ONT → GPA 222 km from ATH Ontario → Patras Greece · 17 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 Athens (ATH)

Abu Dhabi (AUH) Addis Ababa (ADD) Alexandria (HBE) Alexandroupolis (AXD) Alicante (ALC) Amman (AMM) Amsterdam (AMS) Astypalaia Island (JTY) All 179 destinations →