Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Greenville to Los Angeles from $182

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 4/16. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Greenville to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:32 pm - 10:18 pm
GSP
-
ONT
7h 46m
1 stop
United Airlines Logo
5:10 am - 3:09 pm
ONT
-
GSP
6h 59m
1 stop
$367United Airlines
Wed, Mar 25 - Tue, Mar 31
Southwest Logo
1:50 pm - 9:40 pm
GSP
-
ONT
10h 50m
1 stop
Southwest Logo
11:55 pm - 12:00 pm
ONT
-
GSP
9h 05m
2 stops
$372Southwest
Wed, Mar 25 - Tue, Mar 31
Delta Logo
5:40 am - 12:23 pm
GSP
-
ONT
9h 43m
2 stops
Delta Logo
5:09 pm - 9:26 am
ONT
-
GSP
13h 17m
2 stops
$378Delta
Wed, Mar 25 - Tue, Mar 31
Southwest Logo
1:50 pm - 9:40 pm
GSP
-
ONT
10h 50m
1 stop
Southwest Logo
9:55 pm - 1:15 pm
ONT
-
GSP
12h 20m
1 stop
$385Southwest
Wed, Mar 25 - Mon, Mar 30
United Airlines Logo
12:07 pm - 10:18 pm
GSP
-
ONT
13h 11m
2 stops
United Airlines Logo
6:49 pm - 9:56 am
ONT
-
GSP
12h 07m
2 stops
$390United Airlines
Wed, Mar 25 - Mon, Mar 30
Delta Logo
6:45 am - 11:47 am
GSP
-
ONT
8h 02m
1 stop
Delta Logo
12:57 pm - 9:52 pm
ONT
-
GSP
5h 55m
1 stop
$412Delta
Tue, Apr 7 - Fri, Apr 10
Delta Logo
6:45 am - 11:47 am
GSP
-
ONT
8h 02m
1 stop
Delta Logo
10:25 pm - 9:26 am
ONT
-
GSP
8h 01m
1 stop
$413Delta
Tue, Apr 7 - Sat, Apr 11
Delta Logo
5:40 am - 12:23 pm
GSP
-
ONT
9h 43m
2 stops
Delta Logo
12:57 pm - 9:52 pm
ONT
-
GSP
5h 55m
1 stop
$417Delta
Tue, Apr 7 - Fri, Apr 10
Delta Logo
5:40 am - 12:23 pm
GSP
-
ONT
9h 43m
2 stops
Delta Logo
10:25 pm - 9:26 am
ONT
-
GSP
8h 01m
1 stop
$418Delta
Tue, Apr 7 - Sat, Apr 11
United Airlines Logo
4:55 pm - 10:36 pm
GSP
-
ONT
8h 41m
1 stop
United Airlines Logo
11:59 pm - 10:01 am
ONT
-
GSP
7h 02m
1 stop
$420United Airlines
Fri, Mar 20 - Mon, Mar 23

United Airlines flights from Greenville to Ontario

Our best United Airlines deals on Greenville to Ontario flight tickets
United Airlines
Mar 25
GSP5:32 pmGreenville
7h 46m
1 stop
ONT10:18 pmOntario
Mar 31
ONT5:10 amOntario
6h 59m
1 stop
GSP3:09 pmGreenville
$367
United Airlines
Mar 25
GSP12:07 pmGreenville
13h 11m
2 stops
ONT10:18 pmOntario
Mar 30
ONT6:49 pmOntario
12h 07m
2 stops
GSP9:56 amGreenville
$390
United Airlines
Mar 20
GSP4:55 pmGreenville
8h 41m
1 stop
ONT10:36 pmOntario
Mar 23
ONT11:59 pmOntario
7h 02m
1 stop
GSP10:01 amGreenville
$420

Southwest flights from Greenville to Ontario

Our best Southwest deals on Greenville to Ontario flight tickets
Southwest
Mar 25
GSP1:50 pmGreenville
10h 50m
1 stop
ONT9:40 pmOntario
Mar 31
ONT11:55 pmOntario
9h 05m
2 stops
GSP12:00 pmGreenville
$372
Southwest
Mar 25
GSP1:50 pmGreenville
10h 50m
1 stop
ONT9:40 pmOntario
Mar 30
ONT9:55 pmOntario
12h 20m
1 stop
GSP1:15 pmGreenville
$385
Southwest
Mar 13
GSP8:00 amGreenville
9h 05m
1 stop
ONT2:05 pmOntario
Mar 19
ONT9:55 pmOntario
12h 25m
1 stop
GSP1:20 pmGreenville
$565

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 February 14, 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

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Wed 3/25

5:32 pm-10:18 pm

1 stop7h 46m

Ontario

Tue 3/31

5:10 am-3:09 pm

1 stop6h 59m

$367

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Wed 3/25

1:50 pm-9:40 pm

1 stop10h 50m

Ontario

Tue 3/31

11:55 pm-12:00 pm

2 stops9h 05m

$372

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Wed 3/25

5:40 am-12:23 pm

2 stops9h 43m

Ontario

Tue 3/31

5:09 pm-9:26 am

2 stops13h 17m

$378

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Wed 3/25

1:50 pm-9:40 pm

1 stop10h 50m

Ontario

Mon 3/30

9:55 pm-1:15 pm

1 stop12h 20m

$385

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Wed 3/25

12:07 pm-10:18 pm

2 stops13h 11m

Ontario

Mon 3/30

6:49 pm-9:56 am

2 stops12h 07m

$390

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Tue 4/7

6:45 am-11:47 am

1 stop8h 02m

Ontario

Fri 4/10

12:57 pm-9:52 pm

1 stop5h 55m

$412

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Tue 4/7

6:45 am-11:47 am

1 stop8h 02m

Ontario

Sat 4/11

10:25 pm-9:26 am

1 stop8h 01m

$413

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Tue 4/7

5:40 am-12:23 pm

2 stops9h 43m

Ontario

Fri 4/10

12:57 pm-9:52 pm

1 stop5h 55m

$417

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Tue 4/7

5:40 am-12:23 pm

2 stops9h 43m

Ontario

Sat 4/11

10:25 pm-9:26 am

1 stop8h 01m

$418

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Fri 3/20

4:55 pm-10:36 pm

1 stop8h 41m

Ontario

Mon 3/23

11:59 pm-10:01 am

1 stop7h 02m

$420

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 cheapest month to fly to Ontario?

In general, January 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 $382. If you aren’t able to travel during the month of January, then book flights to Ontario from Greenville during October instead. Flights to Ontario in October, while not as cheap as those in January, still average around $387.

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

6h 39m

Direct flights

None
The fastest flight from Greenville to Ontario takes 6h 39m
There are no direct flights from Greenville to Ontario. There are no popular flight routes from Greenville to Ontario.
Search flight deals

  • How far is Greenville to Ontario by plane?

    The distance between Greenville and Ontario is about 1997.5 mi. 6h 39m 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
American AirlinesPriceFrom $312Free CancellationRating
7.2
11,288 reviews
Search American Airlines flights
DeltaPriceFrom $351Free CancellationRating
7.9
8,203 reviews
Search Delta 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.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 3/16
Mon 3/23
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States