GSP - ONT
$310 - $688
|Popular in||June||High demand for flights, 36% potential price rise|
|Cheapest in||August||Best time to find cheap flights, 30% potential price drop|
|Round-trip from||$310||From Greenville to Ontario|
|One-way from||$139||One-way flight from Greenville to Ontario|
Sunday flights are found to be more expensive to fly from Greenville to Ontario. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ontario.
Travelers have found it’s best to book a flight 17 days in advance to save up to 8% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 17 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Greenville to Ontario 1-2 weeks in advance for as low as $87, or $97 for flights within the next 24 hours.
Our data shows that September tends to be the cheapest month to fly to Ontario from Greenville. Users have commonly found prices around $95 for the month, but tickets can be as low as $46. Due to multiple factors, prepare for potentially higher prices in December.
One of the essential ways to save on airfare from Greenville to Ontario is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 65% on airfare.