Cheap flights from Greenville to Ontario (GSP - ONT)

GSP — ONT
Dec 13 — Dec 201

How to find the cheapest flight from Greenville (GSP) to Ontario (ONT)

All the information you need to plan the best GSP to ONT flight in 2022: compare Greenville to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.

GSP - ONT

Price

$323 - $873

ONT

Temperature

53.6 - 78.8 °F

ONT

Rainfall

0.1 - 3.4 inches

Popular inJuneHigh demand for flights, 21% potential price rise
Cheapest inDecemberBest time to find cheap flights, 53% potential price drop
Average price$323Average for round-trip flights in December 2022
Round-trip from$323From Greenville to Ontario

What is the cheapest day to fly round-trip from Greenville to Ontario?

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 35% on the overall cost on flights from Greenville to Ontario.

How far in advance should I book a flight from Greenville to Ontario?

Find a great deal and save up to 24% by booking at least 34 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Greenville to Ontario within the next two weeks, with the cheapest ticket starting at $664.

What is the cheapest month to fly from Greenville to Ontario?

The best pricing can be found in the month of January. Prices to Ontario from Greenville average $609. You can even find prices in January for less than $609, as users have found deals to Ontario from as low as $322. The month of July appears to be one of the more expensive times to travel to Ontario from Greenville. Flying in the targeted month can save you up to 34%.

When is the cheapest time to fly from Greenville to Ontario (GSP - ONT)?

It’s typically best to fly out from Greenville to Ontario in the afternoon. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap flights from Greenville to Ontario in December, January 2022

The best prices found for GSP to ONT flights for December, January
Jan 14 - Jan 17
GSP

Greenville

ONT

Ontario

1 stop

9h 30m
ONT

Ontario

GSP

Greenville

1 stop

8h 15m
$413

American Airlines

Pick Dates

Deal found 12/5

Jan 8 - Jan 10
GSP

Greenville

ONT

Ontario

1 stop

7h 47m
ONT

Ontario

GSP

Greenville

1 stop

6h 25m
$414

American Airlines

Pick Dates

Deal found 12/5

Jan 14 - Jan 17
GSP

Greenville

ONT

Ontario

1 stop

9h 30m
ONT

Ontario

GSP

Greenville

2 stops

10h 39m
$416

American Airlines

Pick Dates

Deal found 12/5

Greenville to Ontario 2022 flight deals

Cheap flights to Ontario from Greenville found for this year
Dec 19 - Dec 26
GSP

Greenville

ONT

Ontario

2 stops

10h 46m
ONT

Ontario

GSP

Greenville

1 stop

8h 18m
$507

American Airlines

Pick Dates

Deal found 12/5

Dec 23 - Dec 25
GSP

Greenville

ONT

Ontario

1 stop

7h 20m
ONT

Ontario

GSP

Greenville

1 stop

8h 18m
$525

Multiple Airlines

Pick Dates

Deal found 12/7

Dec 23 - Dec 25
GSP

Greenville

ONT

Ontario

1 stop

7h 20m
ONT

Ontario

GSP

Greenville

2 stops

10h 03m
$531

Delta

Pick Dates

Deal found 12/7

Cheap American Airlines flights from Greenville to Ontario

Feb 11 - Feb 15
GSP

Greenville

ONT

Ontario

1 stop

9h 11m
ONT

Ontario

GSP

Greenville

1 stop

6h 23m
$452

American Airlines

Pick Dates

Deal found 12/6

Jan 6 - Jan 10
GSP

Greenville

ONT

Ontario

1 stop

9h 14m
ONT

Ontario

GSP

Greenville

1 stop

6h 22m
$454

American Airlines

Pick Dates

Deal found 12/5

Feb 11 - Feb 15
GSP

Greenville

ONT

Ontario

1 stop

9h 11m
ONT

Ontario

GSP

Greenville

2 stops

10h 29m
$455

American Airlines

Pick Dates

Deal found 12/7

Cheap United Airlines flights from Greenville to Ontario

Jan 11 - Jan 15
GSP

Greenville

ONT

Ontario

2 stops

17h 39m
ONT

Ontario

GSP

Greenville

1 stop

6h 07m
$428

United Airlines

Pick Dates

Deal found 12/7

Jan 11 - Jan 15
GSP

Greenville

ONT

Ontario

1 stop

14h 57m
ONT

Ontario

GSP

Greenville

1 stop

14h 10m
$434

United Airlines

Pick Dates

Deal found 12/7

Jan 7 - Jan 10
GSP

Greenville

ONT

Ontario

2 stops

17h 09m
ONT

Ontario

GSP

Greenville

1 stop

14h 10m
$438

United Airlines

Pick Dates

Deal found 12/7

Last minute flights from Greenville to Ontario

Late deals on return flights to Ontario from Greenville, departing today and this week
Dec 13 - Dec 25
GSP

Greenville

ONT

Ontario

1 stop

7h 19m
ONT

Ontario

GSP

Greenville

1 stop

8h 18m
$577

American Airlines

Pick Dates

Deal found 12/6

Dec 14 - Dec 25
GSP

Greenville

ONT

Ontario

1 stop

9h 10m
ONT

Ontario

GSP

Greenville

1 stop

8h 18m
$578

American Airlines

Pick Dates

Deal found 12/6

Dec 17 - Jan 7
GSP

Greenville

ONT

Ontario

2 stops

10h 41m
ONT

Ontario

GSP

Greenville

1 stop

6h 13m
$583

American Airlines

Pick Dates

Deal found 12/6

One-way flights to Ontario from Greenville

The cheapest one-way flights from Greenville to Ontario
Feb 14
GSP

Greenville

ONT

Ontario

1 stop

7h 19m
$226

American Airlines

Pick Dates

Deal found 12/6

Jan 21
GSP

Greenville

ONT

Ontario

1 stop

6h 54m
$227

United Airlines

Pick Dates

Deal found 12/5

Jan 21
GSP

Greenville

ONT

Ontario

2 stops

10h 37m
$230

American Airlines

Pick Dates

Deal found 12/5

Related info for your journey

Useful info, stats and facts about Greenville to Ontario flights.

Which airlines flying from Greenville to Ontario have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Greenville to Ontario that may be offering flexible cancellation policies are Delta, American Airlines, and Frontier. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Greenville to Ontario for under $500 on Cheapflights?

Yes, there are multiple flights from Greenville to Ontario for under $500. The cheapest flight booked recently is on United Airlines for just $428, but on average you can expect to pay $465.

Are there last-minute flights available from Greenville to Ontario for under $600?

There are currently 20+ open flights from Greenville to Ontario within the next 7 days for less than $600.

What are the cheapest airlines flying from Greenville to Ontario round-trip?

Our cheapest airline available from Greenville to Ontario is United Airlines. Our recent data shows that you can find tickets from as low as $428 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $452 and $463 round-trip. Users have found that United Airlines is 37% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Greenville to Ontario one-way?

The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $226. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Greenville to Ontario for a low price.

What are the most popular airlines that fly from Greenville to Ontario?

When booking a flight from Greenville to Ontario, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

What are the cheapest flights from Greenville to Ontario?

Looking for the cheapest flight from Greenville to Ontario? While on average our users pay $772, our data indicates the cheapest price to be $237. The most popular route (Greenville - Ontario), is priced around $438.

Alternative routes for Greenville to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Greenville to Ontario

The chart below displays the airlines Cheapflights users traveling from Greenville to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
FrontierCheapest$40Average$169FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
DeltaCheapest$363Average$673FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$463Average$795FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights