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Good to Know: Cheapest and Fastest ONT - GSP Flights
Useful information for finding best airline tickets from Ontario International to Greenville Spartanburg International on your next trip.
Cheapest One way Flight
$259
United Airlines
• 2 stops
• 23h 33m
Oct 11
The cheapest one way flight from Ontario to Greenville (ONT-GSP) is currently $259
Fastest Flight
18h 20m
The fastest nonstop flight from Ontario to Greenville (ONT-GSP) takes 18h 20m
Top Airlines Flying from Ontario to Greenville
Latest Flight Deals from Ontario (ONT) to Greenville (GSP)
Explore competitive one-way airfare options for ONT - GSP flights. Best suited for flexible or open-ended travel plans.
Flying to Greenville soon? We've surfaced some of the most affordable last-minute flights from Ontario to Greenville, ideal for urgent plans or spontaneous trips.
FAQs on Ontario to Greenville Flights
What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to GSP?
The most popular airline flying from Ontario to Greenville are
Can I fly from ONT to GSP non-stop?
NO
Which airlines fly nonstop between Ontario and Greenville?
The non-stop flights between Ontario and Greenville are .
What’s the earliest departure time from ONT to GSP Airport?
The earliest flight leaves ONT at 5:00 am and lands in GSP - Greenville Spartanburg International
What are the airports in Greenville?
GSP
Can I make changes to my Ontario to Greenville flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to GSP?
Read the fare rules of the Ontario to Greenville air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Greenville?
operate flights between Ontario and Greenville
How long does a flight from Ontario to Greenville take?
It takes approximately 5 hour to fly non-stop from ONT to GSP, which is 2009.97 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Greenville (GSP) ?
In the past couple of days, the cheapest tickets to GSP from ONT were found on UA : USD 384
Do I need a passport to fly between ONT and GSP?
No
What’s the latest departure time from ONT to GSP ?
The last flight leaves ONT at 1:52 pm
Ontario (ONT) to Greenville (GSP): Airport Information
| Origin Airport | Ontario International , Ontario, US |
| Destination Airport | Greenville Spartanburg International , Greenville, US |
| Distance | 2010 miles |
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