Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Greenville to Los Angeles from $150

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 10/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
5:25 pm - 11:52 pm
GSP
-
ONT
9h 27m
1 stop
American Airlines Logo
12:43 pm - 10:11 pm
ONT
-
GSP
6h 28m
1 stop
$299American Airlines
Sat, Oct 24 - Sat, Oct 31
United Airlines Logo
5:46 pm - 10:49 pm
GSP
-
ONT
8h 03m
1 stop
United Airlines Logo
6:46 am - 11:37 pm
ONT
-
GSP
13h 51m
2 stops
$304United Airlines
Sat, Oct 24 - Sat, Oct 31
American Airlines Logo
7:00 am - 1:31 pm
GSP
-
ONT
9h 31m
1 stop
American Airlines Logo
6:15 am - 9:50 pm
ONT
-
GSP
12h 35m
2 stops
$335American Airlines
Tue, Aug 18 - Sat, Aug 29
American Airlines Logo
5:28 pm - 10:59 pm
GSP
-
ONT
8h 31m
1 stop
American Airlines Logo
6:15 am - 9:50 pm
ONT
-
GSP
12h 35m
2 stops
$336American Airlines
Tue, Aug 18 - Sat, Aug 29
United Airlines Logo
2:16 pm - 8:58 pm
GSP
-
ONT
9h 42m
2 stops
United Airlines Logo
5:00 am - 7:09 pm
ONT
-
GSP
11h 09m
2 stops
$349United Airlines
Sat, Oct 24 - Sat, Oct 31
United Airlines Logo
2:16 pm - 8:58 pm
GSP
-
ONT
9h 42m
2 stops
United Airlines Logo
5:00 am - 7:09 pm
ONT
-
GSP
11h 09m
2 stops
$351United Airlines
Sat, Oct 24 - Sat, Oct 31
United Airlines Logo
4:25 pm - 8:58 pm
GSP
-
ONT
7h 33m
1 stop
United Airlines Logo
5:00 am - 10:59 pm
ONT
-
GSP
14h 59m
2 stops
$388United Airlines
Fri, Oct 16 - Wed, Oct 21
Southwest Logo
7:00 am - 2:00 pm
GSP
-
ONT
10h 00m
2 stops
Southwest Logo
5:15 am - 6:20 pm
ONT
-
GSP
10h 05m
2 stops
$394Southwest
Fri, Aug 14 - Fri, Aug 21
Southwest Logo
7:00 am - 3:30 pm
GSP
-
ONT
11h 30m
1 stop
Southwest Logo
7:00 am - 6:20 pm
ONT
-
GSP
8h 20m
2 stops
$395Southwest
Fri, Aug 14 - Fri, Aug 21
Southwest Logo
11:00 am - 6:55 pm
GSP
-
ONT
10h 55m
1 stop
Southwest Logo
5:55 pm - 6:20 pm
ONT
-
GSP
21h 25m
2 stops
$406Southwest
Wed, Sep 16 - Sun, Sep 20

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

Southwest flights from Greenville to Ontario

Our best Southwest deals on Greenville to Ontario flight tickets
Southwest
Aug 14
GSP7:00 amGreenville
10h 00m
2 stops
ONT2:00 pmOntario
Aug 21
ONT5:15 amOntario
10h 05m
2 stops
GSP6:20 pmGreenville
$394
Southwest
Aug 14
GSP7:00 amGreenville
11h 30m
1 stop
ONT3:30 pmOntario
Aug 21
ONT7:00 amOntario
8h 20m
2 stops
GSP6:20 pmGreenville
$395
Southwest
Sep 16
GSP11:00 amGreenville
10h 55m
1 stop
ONT6:55 pmOntario
Sep 20
ONT5:55 pmOntario
21h 25m
2 stops
GSP6:20 pmGreenville
$406

Delta flights from Greenville to Ontario

Our best Delta deals on Greenville to Ontario flight tickets
Delta
Sep 24
GSP6:25 pmGreenville
7h 01m
1 stop
ONT10:26 pmOntario
Sep 26
ONT12:17 pmOntario
7h 43m
1 stop
GSP11:00 pmGreenville
$467
Delta
Oct 11
GSP3:42 pmGreenville
9h 19m
1 stop
ONT10:01 pmOntario
Oct 16
ONT11:15 pmOntario
8h 43m
1 stop
GSP10:58 amGreenville
$489
Delta
Oct 14
GSP5:40 amGreenville
8h 28m
1 stop
ONT11:08 amOntario
Oct 18
ONT11:15 pmOntario
7h 10m
1 stop
GSP9:25 amGreenville
$493

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 July 11, 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

Sat 10/24

5:25 pm-11:52 pm

1 stop9h 27m

Ontario

Sat 10/31

12:43 pm-10:11 pm

1 stop6h 28m

$299

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Sat 10/24

5:46 pm-10:49 pm

1 stop8h 03m

Ontario

Sat 10/31

6:46 am-11:37 pm

2 stops13h 51m

$304

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Tue 8/18

7:00 am-1:31 pm

1 stop9h 31m

Ontario

Sat 8/29

6:15 am-9:50 pm

2 stops12h 35m

$335

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Tue 8/18

5:28 pm-10:59 pm

1 stop8h 31m

Ontario

Sat 8/29

6:15 am-9:50 pm

2 stops12h 35m

$336

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Sat 10/24

2:16 pm-8:58 pm

2 stops9h 42m

Ontario

Sat 10/31

5:00 am-7:09 pm

2 stops11h 09m

$349

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Sat 10/24

2:16 pm-8:58 pm

2 stops9h 42m

Ontario

Sat 10/31

5:00 am-7:09 pm

2 stops11h 09m

$351

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Fri 10/16

4:25 pm-8:58 pm

1 stop7h 33m

Ontario

Wed 10/21

5:00 am-10:59 pm

2 stops14h 59m

$388

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Fri 8/14

7:00 am-2:00 pm

2 stops10h 00m

Ontario

Fri 8/21

5:15 am-6:20 pm

2 stops10h 05m

$394

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Fri 8/14

7:00 am-3:30 pm

1 stop11h 30m

Ontario

Fri 8/21

7:00 am-6:20 pm

2 stops8h 20m

$395

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

Wed 9/16

11:00 am-6:55 pm

1 stop10h 55m

Ontario

Sun 9/20

5:55 pm-6:20 pm

2 stops21h 25m

$406

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, 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

6h 24m

Direct flights

None
The fastest flight from Greenville to Ontario takes 6h 24m
There are no direct flights from Greenville to Ontario. There are no popular flight routes from Greenville to Ontario.
Search flight deals

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. 6h 24m 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
7.8
8,457 reviews
Search Delta flights
American AirlinesPriceFrom $368Free CancellationRating
7.1
11,806 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.

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 8/10
Mon 8/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States