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Cheap Flights from Greenville to Ontario $401.77

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Cheapest Flights from Greenville to Ontario (GSP to ONT)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.
Ontario Airports

Orange County


Long Beach


Interesting Facts About Flights from Greenville to Ontario (GSP to ONT)

Question : In the next four weeks, what day should you book your trip?
Answer : As of December 5th, the best day for deals to Ontario (ONT) from Greenville (GSP) is December 12th. Bookings have been made roughly 46% below the average price for this route.

Question : Is there an alternative to Greenville-Spartanburg International Airport (GSP) for getting you to Ontario?
Answer : Greenville-Spartanburg International Airport is a superb airport, but there is a cheaper option - Asheville Regional Airport. It's just 42 miles away, and flights are 11% cheaper over the next few months.

Question : How long do most people stay in Ontario when they fly in from Greenville?
Answer : Over the next two months, passengers from GSP to ONT are planning on staying for 12 days on average.

Question : If your plans are flexible, have you considered changing your departure day?
Answer : The cheapest day to fly in December is Friday. Being flexible with your travel days garners you even more savings during your booking.

Question : Do prices change more for this route than others?
Answer : Prices are fluctuating much more for this route than the majority of routes. Remember, you can save by booking further in advance.