Cheap Flights from Greenville–Spartanburg International Airport to Ontario (ONT) Find and Compare the Best Airline Deals | Skyticket

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2025/6
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Total Fares（Round-Trip/Economy）: USD /Per Person

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Greenville–Spartanburg－Ontario Airport
June Lowest Airfares
USD417

The airfare displayed above is for Delta Air Lines

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Greenville–Spartanburg－Ontario Airport
July Lowest Airfares -----

Greenville–Spartanburg－Ontario Airport
August Lowest Airfares -----
Greenville–Spartanburg－Ontario Airport
September Lowest Airfares
USD376

The airfare displayed above is for Delta Air Lines

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Greenville–Spartanburg－Ontario Airport
October Lowest Airfares -----

Greenville (South Carolina)－Ontario
Estimated Flight Time
5 Hours 30 Minutes
Greenville (South Carolina)－Ontario
Number of Operating Airlines
3

Operating Airlines for Greenville–Spartanburg－Ontario Airport Route
American Airlines

Delta Air Lines

United Airlines

Other Destinations from:Greenville (South Carolina)
* Fares vary in accordance to seat availability
Other Departures to: Ontario

Harrisburg Airport－Ontario(ONT)
USD322〜
* Fares vary in accordance to seat availability