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Cheap flights from Greenville to Los Angeles from $234

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Greenville to Los Angeles departing on 5/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Greenville to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:01 pm - 11:59 pm
GSP
-
ONT
6h 58m
1 stop
American Airlines Logo
12:35 pm - 11:17 pm
ONT
-
GSP
7h 42m
1 stop
$423American Airlines
Wed, Jul 15 - Sat, Jul 25
Delta Logo
1:09 pm - 6:36 pm
GSP
-
ONT
8h 27m
1 stop
Delta Logo
10:00 pm - 9:13 am
ONT
-
GSP
8h 13m
1 stop
$435Delta
Fri, May 29 - Wed, Jul 29
United Airlines Logo
4:15 pm - 8:46 pm
GSP
-
ONT
7h 31m
1 stop
United Airlines Logo
6:30 pm - 9:55 am
ONT
-
GSP
12h 25m
2 stops
$440United Airlines
Wed, Jun 10 - Mon, Jun 15
American Airlines Logo
5:27 pm - 11:59 pm
GSP
-
ONT
9h 32m
1 stop
American Airlines Logo
5:34 am - 4:37 pm
ONT
-
GSP
8h 03m
1 stop
$445American Airlines
Wed, Jul 15 - Sat, Jul 25
Delta Logo
5:44 am - 10:40 am
GSP
-
ONT
7h 56m
1 stop
Delta Logo
10:00 pm - 9:18 am
ONT
-
GSP
8h 18m
1 stop
$455Delta
Mon, Jun 15 - Mon, Jun 22
Delta Logo
1:09 pm - 6:36 pm
GSP
-
ONT
8h 27m
1 stop
Delta Logo
11:48 am - 9:31 pm
ONT
-
GSP
6h 43m
1 stop
$467Delta
Fri, May 29 - Fri, Jul 31
American Airlines Logo
4:06 pm - 11:59 pm
GSP
-
ONT
10h 53m
2 stops
American Airlines Logo
7:00 am - 7:30 pm
ONT
-
GSP
9h 30m
1 stop
$472American Airlines
Fri, May 29 - Wed, Jul 29
Delta Logo
6:45 am - 10:57 am
GSP
-
ONT
7h 12m
1 stop
Delta Logo
11:50 am - 11:59 pm
ONT
-
GSP
9h 09m
1 stop
$473Delta
Fri, May 29 - Tue, Jun 9
Delta Logo
6:00 am - 6:36 pm
GSP
-
ONT
15h 36m
2 stops
Delta Logo
10:00 pm - 9:18 am
ONT
-
GSP
8h 18m
1 stop
$501Delta
Wed, Jun 3 - Mon, Jun 22
Delta Logo
6:45 am - 10:57 am
GSP
-
ONT
7h 12m
1 stop
Delta Logo
10:00 pm - 9:09 am
ONT
-
GSP
8h 09m
1 stop
$502Delta
Fri, May 29 - Fri, Jun 5

American Airlines flights from Greenville to Ontario

Our best American Airlines deals on Greenville to Ontario flight tickets
American Airlines
Jul 15
GSP8:01 pmGreenville
6h 58m
1 stop
ONT11:59 pmOntario
Jul 25
ONT12:35 pmOntario
7h 42m
1 stop
GSP11:17 pmGreenville
$423
American Airlines
Jul 15
GSP5:27 pmGreenville
9h 32m
1 stop
ONT11:59 pmOntario
Jul 25
ONT5:34 amOntario
8h 03m
1 stop
GSP4:37 pmGreenville
$445
American Airlines
May 29
GSP4:06 pmGreenville
10h 53m
2 stops
ONT11:59 pmOntario
Jul 29
ONT7:00 amOntario
9h 30m
1 stop
GSP7:30 pmGreenville
$472

Southwest flights from Greenville to Ontario

Our best Southwest deals on Greenville to Ontario flight tickets
Southwest
Aug 16
GSP7:20 amGreenville
9h 40m
2 stops
ONT2:00 pmOntario
Aug 21
ONT10:00 amOntario
8h 35m
1 stop
GSP9:35 pmGreenville
$557
Southwest
Jun 25
GSP12:55 pmGreenville
11h 10m
2 stops
ONT9:05 pmOntario
Jul 3
ONT9:40 pmOntario
11h 15m
1 stop
GSP11:55 amGreenville
$563
Southwest
Jun 10
GSP7:00 amGreenville
10h 05m
2 stops
ONT2:05 pmOntario
Jun 15
ONT9:40 pmOntario
11h 35m
2 stops
GSP12:15 pmGreenville
$571

momondo Fare Finder

 
Customize your flight search to find flights from Greenville to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 18, 2026.
Use the filters below to find and compare flights from Greenville to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Wed 7/15

8:01 pm-11:59 pm

1 stop6h 58m

Ontario

Sat 7/25

12:35 pm-11:17 pm

1 stop7h 42m

$423

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Fri 5/29

1:09 pm-6:36 pm

1 stop8h 27m

Ontario

Wed 7/29

10:00 pm-9:13 am

1 stop8h 13m

$435

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Wed 6/10

4:15 pm-8:46 pm

1 stop7h 31m

Ontario

Mon 6/15

6:30 pm-9:55 am

2 stops12h 25m

$440

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Wed 7/15

5:27 pm-11:59 pm

1 stop9h 32m

Ontario

Sat 7/25

5:34 am-4:37 pm

1 stop8h 03m

$445

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Mon 6/15

5:44 am-10:40 am

1 stop7h 56m

Ontario

Mon 6/22

10:00 pm-9:18 am

1 stop8h 18m

$455

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Fri 5/29

1:09 pm-6:36 pm

1 stop8h 27m

Ontario

Fri 7/31

11:48 am-9:31 pm

1 stop6h 43m

$467

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Fri 5/29

4:06 pm-11:59 pm

2 stops10h 53m

Ontario

Wed 7/29

7:00 am-7:30 pm

1 stop9h 30m

$472

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Fri 5/29

6:45 am-10:57 am

1 stop7h 12m

Ontario

Tue 6/9

11:50 am-11:59 pm

1 stop9h 09m

$473

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Wed 6/3

6:00 am-6:36 pm

2 stops15h 36m

Ontario

Mon 6/22

10:00 pm-9:18 am

1 stop8h 18m

$501

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Fri 5/29

6:45 am-10:57 am

1 stop7h 12m

Ontario

Fri 6/5

10:00 pm-9:09 am

1 stop8h 09m

$502

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

How to get the cheapest flight ticket from Greenville to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Greenville and Ontario?

What is the cheapest month to fly to Ontario?

In general, February is the cheapest month to fly from Greenville to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of February, then book flights to Ontario from Greenville during January instead. Flights to Ontario in January, while not as cheap as those in February, still average around $382.

How have Greenville to Ontario flight prices changed over time?

When to book flights from Greenville to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Greenville to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Greenville to Ontario (GSP to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Greenville to Ontario

Fastest flight time

7h 20m

Direct flights

None
The fastest flight from Greenville to Ontario takes 7h 20m
There are no direct flights from Greenville to Ontario. There are no popular flight routes from Greenville to Ontario.
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Frequently asked questions about flying from Greenville to Ontario

  • How far is Greenville to Ontario by plane?

    The distance between Greenville and Ontario is about 1997.5 mi. 7h 20m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Greenville Airport to Ontario Airport?

    Prices for flights from Greenville Airport to Ontario Airport were last updated today.

  • How many operators does momondo search for flights from Greenville Airport to Ontario Airport?

  • How old do you have to be to fly from Greenville Airport to Ontario Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Greenville Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Greenville to Ontario?

Best airlines flying from Greenville to Ontario

Compare and see reviews for airlines that fly from Greenville to Ontario with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $351Free CancellationRating
7.9
8,447 reviews
Search Delta flights
American AirlinesPriceFrom $368Free CancellationRating
7.1
11,648 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Greenville to Ontario?

It is quick and easy to find Greenville to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Greenville to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Greenville to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from Greenville to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Greenville.

I’m not ready to book a flight from Greenville to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from Greenville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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