Cheap Flight Tickets from Ontario (ONT) to Greenville (GSP), Starting at $476

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 Round Trip Flight

$476

WN Southwest Airlines • 3 stops • 25h

Nov 12 – Nov 14

The cheapest round trip flight from Ontario to Greenville (ONT-GSP-ONT) is currently $476

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Fastest Flight

10h 15m

The fastest nonstop flight from Ontario to Greenville (ONT-GSP) takes 10h 15m

Latest Flight Deals from Ontario (ONT) to Greenville (GSP)

Compare and book low fare round-trip air tickets from Ontario to Greenville. Ideal for travelers with confirmed return itineraries.

Nov 12 - Nov 14, Economy
WN
Ontario → Greenville
25h
5:00 AM - 11:00 PM • 3 stops
WN
Ontario → Greenville
15h 50m
10:50 AM - 5:40 PM • 2 stops
$476
Southwest Airlines
Nov 12 - Nov 14, Economy
WN
Ontario → Greenville
33h 45m
8:45 PM - 8:10 PM • 2 stops
WN
Ontario → Greenville
15h 50m
10:50 AM - 5:40 PM • 2 stops
$477
Southwest Airlines
Nov 12 - Nov 14, Economy
WN
Ontario → Greenville
17h
6:50 AM - 8:10 PM • 2 stops
WN
Ontario → Greenville
15h 50m
10:50 AM - 5:40 PM • 2 stops
$478
Southwest Airlines
Nov 12 - Nov 14, Economy
WN
Ontario → Greenville
21h 50m
6:50 AM - 11:00 PM • 2 stops
WN
Ontario → Greenville
15h 50m
10:50 AM - 5:40 PM • 2 stops
$484
Southwest Airlines
Nov 12 - Nov 14, Economy
WN
Ontario → Greenville
10h 15m
1:45 PM - 11:00 PM • 1 stop
WN
Ontario → Greenville
10h 50m
7:05 AM - 10:55 AM • 1 stop
$558
Southwest Airlines
Nov 12 - Nov 14, Economy
AA
Ontario → Greenville
10h 16m
12:42 PM - 9:58 PM • 1 stop
AA
Ontario → Greenville
13h 49m
8:29 AM - 1:58 PM • 1 stop
$688
American Airlines

Fly from Ontario to Greenville with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to Greenville? Find the biggest savings on one-way and round-trip tickets right here.

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 WN : USD 484
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 8:45 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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