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Cheap Flights from Greenville to Ontario $321.73

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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

$323.70

Long Beach

$395.30

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 : Since low prices are preferred, look at February 12th. As of January 16th, the cheapest ticket sales are coming in 24% below the average price for this route, so you can spend that extra cash on an adventure rather than the flight.

Question : How long do most people stay in Ontario when they fly in from Greenville?
Answer : Travelers from GSP to ONT stay seven days on average.

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

Question : Which airline is offering the cheapest round-trip flight from GSP to ONT?
Answer : American Airlines has been booking passengers at the cheapest fare for flights scheduled throughout the next three months.