Which airports can I use when flying from Greenville to Ontario?

Flights from Greenville to Ontario usually depart from Greenville (GSP) and arrive at Ontario (ONT).

What cabin classes can I book on flights from Greenville to Ontario?

Two cabin classes are available on flights from Greenville to Ontario: • Economy Class • First Class

Which airports do connecting flights from Greenville to Ontario pass through?

One-stop flights from Greenville to Ontario most commonly connect through: • Atlanta Hartsfield-Jackson (ATL) - 53% of one-stop connections • Dallas/Fort Worth (DFW) - 37% of one-stop connections • Houston Hobby (HOU) - 4% of one-stop connections • Chicago O'Hare Intl (ORD) - 4% of one-stop connections

Can I save money by using flexible dates for flights from Greenville to Ontario?

Yes. Flexible dates can save you up to 55% on flights from Greenville to Ontario. Saturday is the cheapest departure day at $351 round-trip on average, while Sunday is the most expensive at $778, a difference of $427. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in Ontario?

Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

How long is a flight from Greenville to Ontario?

A nonstop flight from Greenville to Ontario takes 00m, covering 2,004 miles.

Do I need a passport to fly from Greenville to Ontario?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from Greenville to Ontario changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $305 to $1,580. That means the highest observed fare was about 5x higher than the lowest one.

How are flight prices from Greenville to Ontario looking right now?

One-way fares from Greenville to Ontario are currently lower than usual. Average one-way flight prices are about $245, which is 9% below the typical average for this route.

How much time can I save by choosing a different layover airport from Greenville to Ontario?

Flying via Houston Hobby (HOU) gives the shortest average 1-stop total travel time at 6h 37m, compared with 7h 35m via Atlanta Hartsfield-Jackson (ATL) and 7h 37m via Nashville Intl (BNA).

What is the time difference between Greenville and Ontario?

Ontario is 3 hours behind Greenville (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Ontario Airport (ONT)?

Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include: • Fox • Thrifty • Europcar • Dollar • Alamo

How much should I expect to pay for a Greenville to Ontario flight?

Round-trip flights from Greenville to Ontario range from $390 to $617, with an average of $476 over the past 12 months. Anything below $390 counts as a good deal.

How much is a round-trip flight from Greenville to Ontario?

Round-trip flights from Greenville to Ontario typically range from $390 to $617. The lowest price found in the past 5 days was $305, on Delta.

What's the cheapest day of the week to fly from Greenville to Ontario?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Greenville to Ontario. It’s 27% cheaper than the average day, while Sunday is the most expensive, with prices 63% higher.

Which airline is the cheapest to fly from Greenville to Ontario?

Delta ($305) and Southwest ($310) are the cheapest airlines to fly round-trip from Greenville to Ontario according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from Greenville to Ontario?

Atlanta Hartsfield-Jackson (ATL) is the most popular layover for the Greenville to Ontario route. 53% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via ATL.

What is the cheapest layover airport when flying from Greenville to Ontario?

Flights via Atlanta Hartsfield-Jackson (ATL) offer the most affordable fares, with an average round-trip price of $477. Based on KAYAK data over the past 3 months.

When flying from Greenville to Ontario which airport offers the shortest layover?

Houston Hobby (HOU) had the shortest average connection time for Greenville to Ontario layovers at 3h 45m over the past 3 months.

$153 CHEAP FLIGHTS from Greenville to Ontario (GSP - ONT)

Save 19% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$305

Typical prices: $390-$617

Delta

Fri 1/12Tue 1/23

GSP - ONT • 1 stop

Cheapest one-way

$153

Typical prices: $223-$463

Delta

Mon 11/19

GSP - ONT • 1 stop

Nonstop flights

Not available

There are currently no direct flights between Greenville and Ontario. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

March

Cheapest • 23% price drop

December

Most popular

Good to know

Top layover airports

Atlanta Hartsfield-Jackson (ATL)

Cheapest • Avg $477 (round-trip)

Houston Hobby (HOU)

Shortest trip • 6h 37m (one-way)

Insights

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Ontario!

Flight Deals

Cheap Flights from Greenville to Ontario (GSP-ONT)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Greenville to Ontario

Tue, Jan 12 - Sat, Jan 23

7:00 am - 11:27 amGSP Greenville-ONT Ontario

7h 27m1 stop Atlanta Hartsfield-Jackson

12:00 pm - 11:37 pmONT Ontario-GSP Greenville

8h 37m1 stop Atlanta Hartsfield-Jackson

$305Delta

Tue, Jan 12 - Tue, Jan 26

5:05 pm - 10:14 pmGSP Greenville-ONT Ontario

8h 09m1 stop Atlanta Hartsfield-Jackson

7:00 am - 6:54 pmONT Ontario-GSP Greenville

8h 54m1 stop Atlanta Hartsfield-Jackson

$305Delta

Thu, Jan 14 - Mon, Jan 25

7:00 am - 11:27 amGSP Greenville-ONT Ontario

7h 27m1 stop Atlanta Hartsfield-Jackson

12:00 pm - 11:37 pmONT Ontario-GSP Greenville

8h 37m1 stop Atlanta Hartsfield-Jackson

$305Delta

Mon, Jan 11 - Tue, Jan 26

3:42 pm - 10:14 pmGSP Greenville-ONT Ontario

9h 32m1 stop Atlanta Hartsfield-Jackson

7:00 am - 4:09 pmONT Ontario-GSP Greenville

6h 09m1 stop Atlanta Hartsfield-Jackson

$305Delta

Wed, Dec 2 - Tue, Dec 8

7:05 am - 2:40 pmGSP Greenville-ONT Ontario

10h 35m2 stops Nashville Intl Denver Intl

11:25 am - 8:45 pmONT Ontario-GSP Greenville

6h 20m1 stop Nashville Intl

$310Southwest

Wed, Dec 2 - Tue, Dec 8

7:05 am - 2:40 pmGSP Greenville-ONT Ontario

10h 35m2 stops Nashville Intl Denver Intl

10:05 am - 8:45 pmONT Ontario-GSP Greenville

7h 40m2 stops Denver Intl Nashville Intl

$315Southwest

Wed, Dec 2 - Tue, Dec 8

5:16 pm - 10:07 pmGSP Greenville-ONT Ontario

7h 51m1 stop Charlotte Douglas

10:32 am - 9:52 pmONT Ontario-GSP Greenville

8h 20m1 stop Dallas/Fort Worth

$347American Airlines

Thu, Nov 12 - Wed, Nov 18

10:26 am - 8:15 pmGSP Greenville-ONT Ontario

12h 49m2 stops Washington, D.C. Dulles Intl San Francisco

6:00 am - 4:28 pmONT Ontario-GSP Greenville

7h 28m1 stop Houston George Bush Intcntl

$378United Airlines

Thu, Nov 12 - Wed, Nov 18

5:17 pm - 9:32 pmGSP Greenville-ONT Ontario

7h 15m1 stop Dallas/Fort Worth

12:42 pm - 9:58 pmONT Ontario-GSP Greenville

6h 16m1 stop Dallas/Fort Worth

$389American Airlines

Fri, Jan 1 - Fri, Jan 8

6:02 pm - 10:54 pmGSP Greenville-ONT Ontario

7h 52m1 stop Charlotte Douglas

12:45 pm - 10:10 pmONT Ontario-GSP Greenville

6h 25m1 stop Dallas/Fort Worth

$391American Airlines

Recent last minute flight deals from Greenville to Ontario

Mon, Oct 12 - Thu, Oct 15

5:25 pm - 9:11 pmGSP Greenville-ONT Ontario

6h 46m1 stop Dallas/Fort Worth

12:43 pm - 10:05 pmONT Ontario-GSP Greenville

6h 22m1 stop Dallas/Fort Worth

$923American Airlines

Sun, Oct 11 - Mon, Oct 12

7:00 am - 11:06 amGSP Greenville-ONT Ontario

7h 06m1 stop Atlanta Hartsfield-Jackson

12:16 pm - 10:51 pmONT Ontario-GSP Greenville

7h 35m1 stop Atlanta Hartsfield-Jackson

$997Delta

Thu, Oct 15 - Sun, Oct 18

4:25 pm - 8:58 pmGSP Greenville-ONT Ontario

7h 33m1 stop Denver Intl

5:00 am - 3:08 pmONT Ontario-GSP Greenville

7h 08m1 stop Denver Intl

$997United Airlines

Thu, Oct 15 - Sun, Oct 18

4:10 pm - 11:52 pmGSP Greenville-ONT Ontario

10h 42m2 stops Charlotte Douglas Dallas/Fort Worth

12:43 pm - 10:05 pmONT Ontario-GSP Greenville

6h 22m1 stop Dallas/Fort Worth

$1,002American Airlines

Thu, Oct 15 - Sun, Oct 18

1:05 pm - 7:40 pmGSP Greenville-ONT Ontario

9h 35m2 stops Nashville Intl Denver Intl

11:55 pm - 12:30 pmONT Ontario-GSP Greenville

9h 35m2 stops Chicago Midway Nashville Intl

$1,007Southwest

Mon, Oct 12 - Fri, Oct 16

5:40 am - 11:06 amGSP Greenville-ONT Ontario

8h 26m1 stop Atlanta Hartsfield-Jackson

12:16 pm - 10:51 pmONT Ontario-GSP Greenville

7h 35m1 stop Atlanta Hartsfield-Jackson

$1,043Delta

Mon, Oct 12 - Mon, Oct 19

5:46 pm - 10:49 pmGSP Greenville-ONT Ontario

8h 03m1 stop Chicago O'Hare Intl

5:00 am - 3:08 pmONT Ontario-GSP Greenville

7h 08m1 stop Denver Intl

$1,077United Airlines

Mon, Oct 12 - Fri, Oct 16

4:10 pm - 10:59 pmGSP Greenville-ONT Ontario

9h 49m1 stop Charlotte Douglas

10:10 pm - 8:24 amONT Ontario-GSP Greenville

7h 14m1 stop Charlotte Douglas

$1,077American Airlines

Mon, Oct 12 - Fri, Oct 16

6:01 am - 6:00 pmGSP Greenville-ONT Ontario

14h 59m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

6:56 pm - 11:08 amONT Ontario-GSP Greenville

13h 12m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

$1,176Alaska Airlines

Mon, Oct 12 - Sun, Oct 18

5:40 am - 11:06 amGSP Greenville-ONT Ontario

8h 26m1 stop Atlanta Hartsfield-Jackson

11:15 pm - 9:23 amONT Ontario-GSP Greenville

7h 08m1 stop Atlanta Hartsfield-Jackson

$2,659Delta

Booking Insights

Price, demand and travel trends for Greenville to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Greenville to Ontario? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Greenville to Ontario departing in january.
What's the cheapest day of the week to fly from Greenville to Ontario?: Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Greenville to Ontario. It’s 27% cheaper than the average day, while Sunday is the most expensive, with prices 63% higher.

Find deals

Low season	March
High season	December
Cheapest flight	$153

Beat the crowds with an average 2% drop in travelers.

The most popular month to fly with an average 18% increase in travelers.

One-way flight from Greenville to Ontario

When to book flights from Greenville to Ontario

Are your dates flexible? Find out the best times to travel from Greenville to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Greenville to Ontario?
Two cabin classes are available on flights from Greenville to Ontario:

• Economy Class
• First Class
How long is a flight from Greenville to Ontario?
A nonstop flight from Greenville to Ontario takes 00m, covering 2,004 miles.
Do I need a passport to fly from Greenville to Ontario?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
How much should I expect to pay for a Greenville to Ontario flight?
Round-trip flights from Greenville to Ontario range from $390 to $617, with an average of $476 over the past 12 months. Anything below $390 counts as a good deal.
Have flight prices from Greenville to Ontario changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $305 to $1,580. That means the highest observed fare was about 5x higher than the lowest one.
How are flight prices from Greenville to Ontario looking right now?
One-way fares from Greenville to Ontario are currently lower than usual. Average one-way flight prices are about $245, which is 9% below the typical average for this route.
What car rental options are available at Ontario Airport (ONT)?
Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:

• Fox
• Thrifty
• Europcar
• Dollar
• Alamo
Which airports can I use when flying from Greenville to Ontario?
Flights from Greenville to Ontario usually depart from Greenville (GSP) and arrive at Ontario (ONT).
Which airports do connecting flights from Greenville to Ontario pass through?
One-stop flights from Greenville to Ontario most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 53% of one-stop connections
• Dallas/Fort Worth (DFW) - 37% of one-stop connections
• Houston Hobby (HOU) - 4% of one-stop connections
• Chicago O'Hare Intl (ORD) - 4% of one-stop connections
Can I save money by using flexible dates for flights from Greenville to Ontario?
Yes. Flexible dates can save you up to 55% on flights from Greenville to Ontario. Saturday is the cheapest departure day at $351 round-trip on average, while Sunday is the most expensive at $778, a difference of $427.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How much time can I save by choosing a different layover airport from Greenville to Ontario?
Flying via Houston Hobby (HOU) gives the shortest average 1-stop total travel time at 6h 37m, compared with 7h 35m via Atlanta Hartsfield-Jackson (ATL) and 7h 37m via Nashville Intl (BNA).
What is the time difference between Greenville and Ontario?
Ontario is 3 hours behind Greenville (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Ontario?
Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

If your dates are flexible, aim for a Saturday departure and avoid flying on Sunday. On this route, Saturday flights average $351, about $427 less than Sunday fares (55% savings) based on the last 12 months.
If you can choose when to travel, plan your Greenville to Ontario trip for March. Fares historically average $367 round-trip in that month - typically $448 less than the most expensive month, which is September (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

• Azure Hotel & Suites, Trademark Collection by Wyndham
• La Quinta Inn & Suites by Wyndham Ontario Airport
• Ontario Airport Inn

More options for your flight from Greenville to Ontario

Add a hotel or car rental

Airports

Cabin class

Direct Flights

Origins

Other destinations

Return flight

Complete your trip to Ontario with a hotel stay or car rental

Car rentals in Ontario

Hotels in Ontario

Vacations in Ontario

GSP - ONT

$153 Find Cheap Flights from Greenville to Ontario - Compare and Save

Everything you should know

Cheap Flights from Greenville to Ontario (GSP-ONT)

Recent round-trip flight deals from Greenville to Ontario

Recent one-way flight deals from Greenville to Ontario

Recent last minute flight deals from Greenville to Ontario

Price, demand and travel trends for Greenville to Ontario flights

How much is a round-trip flight from Greenville to Ontario?

What's the cheapest day of the week to fly from Greenville to Ontario?

Which airline is the cheapest to fly from Greenville to Ontario?

What’s the most popular layover airport when flying from Greenville to Ontario?

What is the cheapest layover airport when flying from Greenville to Ontario?

When flying from Greenville to Ontario which airport offers the shortest layover?

Key details for Greenville to Ontario flights

Low season

High season

Cheapest flight

When to book flights from Greenville to Ontario

Your Greenville to Ontario flight questions, answered

Your guide to booking Greenville to Ontario flights

More options for your flight from Greenville to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Greenville to Ontario

Find direct flights to and from Greenville and Ontario

Flights from domestic origins to Ontario

Flights to other popular destinations

Find deals for your return flight