GSP - ONT

$185 Find Cheap Flights from Greenville to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$369
Typical prices: $382-$537
American Airlines
Wed 10/31Wed 11/7
GSP - ONT • 1 stop
Cheapest one-way
$185
Typical prices: $185-$329
Delta
Mon 10/1
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
Insights
When to travel
March
Cheapest • 20% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Atlanta Hartsfield-Jackson (ATL)
Cheapest • Avg $484 (round-trip)
Houston Hobby (HOU)
Shortest trip • 6h 37m (one-way)
Insights
Insights
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We hope you love your trip to Ontario!
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Booking Insights
Flight Deals

Cheap Flights from Greenville to Ontario (GSP-ONT)

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

Recent round-trip flight deals from Greenville to Ontario

Thu, Oct 15 - Tue, Oct 20
Delta Logo
5:40 am - 11:06 amGSP  Greenville-ONT Ontario
8h 26m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:16 pm - 10:51 pmONT  Ontario-GSP Greenville
7h 35m1 stop Atlanta Hartsfield-Jackson
$369Delta
Wed, Oct 14 - Tue, Oct 20
Delta Logo
7:00 am - 11:06 amGSP  Greenville-ONT Ontario
7h 06m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:16 pm - 10:51 pmONT  Ontario-GSP Greenville
7h 35m1 stop Atlanta Hartsfield-Jackson
$369Delta
Sat, Oct 31 - Sat, Nov 7
American Airlines Logo
5:25 pm - 9:11 pmGSP  Greenville-ONT Ontario
6h 46m1 stop Dallas/Fort Worth
American Airlines Logo
12:42 pm - 9:58 pmONT  Ontario-GSP Greenville
6h 16m1 stop Dallas/Fort Worth
$369American Airlines
Wed, Dec 2 - Wed, Dec 16
Delta Logo
5:40 am - 11:08 amGSP  Greenville-ONT Ontario
8h 28m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:20 pm - 10:22 pmONT  Ontario-GSP Greenville
7h 02m1 stop Atlanta Hartsfield-Jackson
$369Delta
Wed, Dec 2 - Mon, Dec 14
Delta Logo
5:40 am - 11:08 amGSP  Greenville-ONT Ontario
8h 28m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:20 pm - 11:47 pmONT  Ontario-GSP Greenville
8h 27m1 stop Atlanta Hartsfield-Jackson
$369Delta
Sat, Oct 31 - Sat, Nov 7
United Airlines Logo
10:42 am - 8:15 pmGSP  Greenville-ONT Ontario
12h 33m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
5:00 am - 3:03 pmONT  Ontario-GSP Greenville
7h 03m1 stop Denver Intl
$374United Airlines
Fri, Oct 2 - Sat, Oct 10
American Airlines Logo
5:24 pm - 10:37 pmGSP  Greenville-ONT Ontario
8h 13m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 4:35 pmONT  Ontario-GSP Greenville
7h 35m1 stop Dallas/Fort Worth
$379American Airlines
Fri, Oct 30 - Sat, Nov 7
American Airlines Logo
5:25 pm - 11:52 pmGSP  Greenville-ONT Ontario
9h 27m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 4:27 pmONT  Ontario-GSP Greenville
7h 27m1 stop Dallas/Fort Worth
$379American Airlines
Tue, Dec 29 - Wed, Jan 6
Southwest Logo
6:45 am - 1:55 pmGSP  Greenville-ONT Ontario
10h 10m2 stops Nashville Intl Denver Intl
Southwest Logo
7:50 am - 9:00 pmONT  Ontario-GSP Greenville
10h 10m2 stops Austin Bergstrom Nashville Intl
$421Southwest
Wed, Oct 28 - Sun, Nov 1
Southwest Logo
7:00 am - 2:45 pmGSP  Greenville-ONT Ontario
10h 45m2 stops Nashville Intl Houston Hobby
Southwest Logo
9:00 am - 8:10 pmONT  Ontario-GSP Greenville
8h 10m2 stops Austin Bergstrom Nashville Intl
$433Southwest
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 from Greenville to Ontario with more confidence.

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

Round-trip flights from Greenville to Ontario start at $369. Prices are below average for this route right now, with typical round-trip fares ranging from $382 to $537. The lowest price found in the past 5 days was $369 on American Airlines.

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

Saturday is the cheapest day of the week to fly from Greenville to Ontario, it is 24% cheaper than the average day. Sunday is the most expensive day with flight prices 68% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Greenville to Ontario flights

Low season

March

Cheapest flight

$185
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 5% increase in price.
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

Your Greenville to Ontario flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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?

    Only Economy Class is available on flights from Greenville to Ontario.

  • 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) - 60% of one-stop connections
    • Dallas/Fort Worth (DFW) - 29% of one-stop connections
    • Houston Hobby (HOU) - 4% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 4% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

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

    On the Greenville to Ontario route, being flexible with your departure day can save you up to 55%. Saturday is the cheapest day at $351 round-trip on average, while Sunday is the most expensive at $778: a $427 difference. 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, Ontario Mills 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 0h 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 $369 to $2,644. That means the highest observed fare was about 7x 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 $223, which is 14% 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 6h 58m via Denver Intl (DEN) and 7h 34m via Atlanta Hartsfield-Jackson (ATL).

  • 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 $382 to $537, with an average of $461 over the past 12 months. Anything below $382 counts as a good deal.

Your guide to booking Greenville to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Saturday departure instead of Sunday. On this route, Saturday flights average $351 - about $427 less than Sunday (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 $411 less than the most expensive month, which is April (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
    - Holiday Inn Ontario Airport By IHG

Everything you need to know for your flight from Greenville to Ontario

Information on your arrival and departure airports

Greenville (GSP)
Ontario (ONT)