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Uncover the best deals on Ontario to Greenville flights by comparing fares from hundreds of airlines and agencies.
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
$618
Southwest Airlines
• 1 stop
• 10h 50m
Aug 09
The cheapest one way flight from Ontario to Greenville (ONT-GSP) is currently $618
Fastest Flight
10h 50m
The fastest nonstop flight from Ontario to Greenville (ONT-GSP) takes 10h 50m
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 7:00 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 WN : USD 629
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 11:55 pm
Essential Information for Booking Flights from Ontario (ONT) - AI Insights
What's the cheapest airline from ont to gsp?
You can find affordable flights from Ontario to Greenville Spartanburg International Airport (GSP) on Delta Airlines. For a one-way trip, consider booking at least 46 days in advance to secure low fares. Look for budget-friendly options with airfares starting from $X, which may include savings on cheapestflights.
What's the popular airline to fly from ont to gsp?
For a one-way trip from Ontario International Airport (ONT) to Greenville Spartanburg International Airport (GSP), Southwest Airlines (WN) is a popular airline option. You can find budget-friendly flights on their website or through fare comparison platforms like fareleaders.com.
What's the cheapest day of the week to fly from ont to gsp?
The cheapest day to fly from Ontario International Airport (ONT) to Greenville Spartanburg International Airport (GSP) is Sunday.
What's the cheapest month to fly from ont to gsp?
The cheapest month to fly from Ontario International Airport (ONT) to Greenville Spartanburg International Airport (GSP) is November. Booking in advance can help you find affordable flights.
Which airline/airlines fly from ont to gsp?
The airlines that fly from Ontario International Airport (ONT) to Greenville Spartanburg International Airport (GSP) include Delta Airlines, Southwest Airlines, American Airlines, Frontier Airlines, United Airlines, Mexicana, Volaris Airline, JetBlue Airways, Alaska Airlines, and Avianca.
What is the cheapest airline to fly from Ontario International Airport (ONT) to Greenville Spartanburg International Airport (GSP)?
Delta Airlines
How can I book an airfare on fareleaders.com for my weekend getaway?
You can compare fares and find the best airline for your travel plans on our website.
Can I get non-stop flights from airport to destination?
No, there are no non-stop flights available. However, you can check for flights with one stop.
What are the advance booking days required for a one-way trip?
Advance booking days required is 46 days.
Is there any discount available for looking at flight options on your website?
Yes, you can get discounts by comparing fares and finding the best airline for your travel plans.
How do I compare fares and find the best airline for my travel plans?
You can compare fares and find the best airline for your travel plans on our website.
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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