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Cheap flights from Greenville to Ontario (GSP - ONT) from $159

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
GSP — ONT
jun. 11 — jun. 181
From?
To?
mar. 6/11
mar. 6/18
1 adult, Economy
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Cheap flight deals from Greenville to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 6, 2024.

Popular in

November

Cheapest in

March

Average price

$439

Round-trip from

$238
High demand for flights, 23% potential price rise
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Best time to find cheap flights, 25% potential price drop
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Average for round-trip flights in June 2024
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From Greenville to Ontario
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What is the cheapest day to fly round-trip from Greenville to Ontario?

Leaving on a Thursday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 58% on the overall cost on flights from Greenville to Ontario.

How far in advance should I book a flight from Greenville to Ontario?

Find a great deal and save up to 143% by booking at least 53 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Greenville to Ontario within the next two weeks, with the cheapest ticket starting at $489.

What is the cheapest month to fly from Greenville to Ontario?

The best pricing can be found in the month of May. Prices to Ontario from Greenville average $494. You can even find prices in May for less than $494, as users have found deals to Ontario from as low as $237. The month of March appears to be one of the more expensive times to travel to Ontario from Greenville. Flying in the targeted month can save you up to 18%.

What is the cheapest time of day to fly from GSP to ONT?

It’s typically best to fly out from Greenville to Ontario in the evening. Doing so could potentially save you 29% on the flight price compared to flying at noon, which is usually more expensive.

Cheap Greenville to Ontario flights in June & July 2024

Find cheap flight options from Greenville to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on junio 6, 2024.
Scroll through some of the best deals on flights from Greenville to Ontario in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
jue. 7/256:56 amGSP - ONT
1 stop6h 17mDelta
sáb. 7/2710:00 pmONT - GSP
1 stop8h 14mDelta
Deal found 6/5$386
jue. 7/256:10 pmGSP - ONT
1 stop6h 55mAmerican Airlines
sáb. 7/277:21 pmONT - GSP
2 stops9h 49mAmerican Airlines
Deal found 6/5$391
vie. 7/197:19 pmGSP - ONT
1 stop6h 41mAmerican Airlines
mar. 7/2312:43 pmONT - GSP
1 stop6h 17mAmerican Airlines
Deal found 6/6$400
vie. 7/197:19 pmGSP - ONT
1 stop6h 41mAmerican Airlines
mar. 7/237:18 pmONT - GSP
2 stops9h 52mAmerican Airlines
Deal found 6/6$405
mar. 7/165:45 amGSP - ONT
1 stop7h 28mDelta
jue. 7/1811:23 amONT - GSP
1 stop6h 36mDelta
Deal found 6/5$412
sáb. 7/135:45 amGSP - ONT
1 stop7h 28mDelta
sáb. 7/1310:00 pmONT - GSP
1 stop8h 14mDelta
Deal found 6/5$416
jue. 6/278:14 pmGSP - ONT
1 stop6h 45mAmerican Airlines
sáb. 6/2912:49 pmONT - GSP
1 stop7h 29mAmerican Airlines
Deal found 6/5$466
jue. 7/253:21 pmGSP - ONT
2 stops11h 38mDelta
sáb. 7/2710:00 pmONT - GSP
2 stops11h 00mDelta
Deal found 6/5$476
vie. 7/126:56 amGSP - ONT
1 stop6h 17mDelta
sáb. 7/1310:00 pmONT - GSP
1 stop8h 14mDelta
Deal found 6/5$486

Greenville to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Greenville and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.
Scroll through some of the best deals on flights from Greenville to Ontario in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
mar. 8/206:59 pmGSP - ONT
1 stop6h 58mDelta
mar. 8/2711:23 amONT - GSP
1 stop6h 17mDelta
Deal found 6/6$318
mar. 8/205:00 pmGSP - ONT
1 stop8h 57mDelta
mar. 8/2711:23 amONT - GSP
1 stop6h 17mDelta
Deal found 6/6$319
jue. 8/226:56 amGSP - ONT
1 stop6h 17mDelta
mié. 8/2811:23 amONT - GSP
1 stop6h 17mDelta
Deal found 6/6$338
mar. 8/205:00 pmGSP - ONT
1 stop8h 57mDelta
mar. 8/276:00 amONT - GSP
2 stops11h 40mDelta
Deal found 6/6$353
jue. 8/156:59 pmGSP - ONT
1 stop6h 58mDelta
lun. 8/1911:23 amONT - GSP
1 stop6h 17mDelta
Deal found 6/5$358
jue. 8/155:45 amGSP - ONT
1 stop7h 28mDelta
lun. 8/195:00 pmONT - GSP
2 stops13h 14mDelta
Deal found 6/5$363
jue. 8/1512:28 pmGSP - ONT
2 stops13h 29mDelta
lun. 8/195:00 pmONT - GSP
2 stops13h 14mDelta
Deal found 6/5$368
jue. 8/226:56 amGSP - ONT
1 stop6h 17mDelta
vie. 8/3011:23 amONT - GSP
1 stop6h 17mDelta
Deal found 6/6$372
jue. 8/155:45 amGSP - ONT
1 stop7h 28mDelta
dom. 8/1810:00 pmONT - GSP
2 stops10h 48mDelta
Deal found 6/5$377

Greenville to Ontario flights leaving soon

Find last-minute flight options from Greenville to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.
Consider one of these great deals we found on last-minute flights from Greenville to Ontario. To prevent any unwanted surprises, users should verify their flight info before booking.
mié. 6/127:05 amGSP - ONT
1 stop6h 15mDelta
jue. 6/2010:00 pmONT - GSP
1 stop8h 18mDelta
Deal found 6/5$507
mié. 6/125:45 amGSP - ONT
2 stops9h 32mDelta
jue. 6/2010:00 pmONT - GSP
1 stop8h 18mDelta
Deal found 6/5$512
vie. 6/146:49 pmGSP - ONT
1 stop7h 11mDelta
jue. 6/2010:00 pmONT - GSP
1 stop8h 18mDelta
Deal found 6/5$529
sáb. 6/155:45 amGSP - ONT
2 stops9h 32mDelta
jue. 6/2010:00 pmONT - GSP
1 stop8h 18mDelta
Deal found 6/5$534
mié. 6/125:45 amGSP - ONT
1 stop7h 35mDelta
mié. 6/1910:00 pmONT - GSP
1 stop8h 18mDelta
Deal found 6/5$537
mié. 6/125:45 amGSP - ONT
2 stops9h 32mDelta
mié. 6/1910:00 pmONT - GSP
1 stop8h 18mDelta
Deal found 6/5$542
vie. 6/146:49 pmGSP - ONT
1 stop7h 11mDelta
mié. 6/1910:00 pmONT - GSP
1 stop8h 18mDelta
Deal found 6/5$559
vie. 6/1412:52 pmGSP - ONT
2 stops8h 45mAmerican Airlines
vie. 6/2112:49 pmONT - GSP
1 stop6h 14mAmerican Airlines
Deal found 6/5$564
mié. 6/127:05 amGSP - ONT
1 stop6h 15mDelta
dom. 6/2310:00 pmONT - GSP
1 stop8h 18mDelta
Deal found 6/5$600

One-way flights to Ontario from Greenville

Search for one-way flight options from Greenville to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.
If you're seeking multiple options on one-way flights from Greenville to Ontario, be sure to check out these deals, which are updated often. For those needing a return trip from Greenville, there is a search form available above.
mar. 7/165:45 amGSP - ONT
1 stop7h 28mDelta
Deal found 6/4$159
sáb. 7/135:45 amGSP - ONT
1 stop7h 28mDelta
Deal found 6/5$213
mar. 7/161:34 pmGSP - ONT
2 stops12h 08mDelta
Deal found 6/4$254
mar. 7/165:40 pmGSP - ONT
2 stops21h 35mUnited Airlines
Deal found 6/5$317
mar. 7/165:40 pmGSP - ONT
3 stops32h 05mUnited Airlines
Deal found 6/5$359
vie. 7/128:18 pmGSP - ONT
1 stop6h 31mAmerican Airlines
Deal found 6/5$443
lun. 7/154:06 pmGSP - ONT
2 stops8h 34mAmerican Airlines
Deal found 6/4$448

Find flights from Greenville to Ontario within your budget

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, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$318 - $423

Route

Depart

Return

Price

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

mar. 8/20

1 stop6h 58m

Ontario

mar. 8/27

1 stop6h 17m

$318

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

mar. 8/20

1 stop6h 58m

Ontario

mié. 8/28

1 stop6h 17m

$319

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

jue. 8/22

1 stop6h 17m

Ontario

mié. 8/28

1 stop6h 17m

$338

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

mar. 8/20

1 stop8h 57m

Ontario

mar. 8/27

2 stops11h 40m

$353

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

jue. 7/25

1 stop6h 55m

Ontario

sáb. 7/27

2 stops9h 49m

$391

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

vie. 7/19

1 stop6h 41m

Ontario

mar. 7/23

1 stop6h 17m

$400

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

vie. 7/19

1 stop6h 41m

Ontario

mar. 7/23

2 stops9h 52m

$405

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

mar. 8/20

1 stop7h 22m

Ontario

mié. 9/11

1 stop7h 01m

$418

GreenvilleOntario

GSP - ONT

GSPONT

Greenville

mar. 8/20

2 stops11h 05m

Ontario

mié. 9/11

1 stop7h 01m

$423

Flights are sorted by cheapest first

Deals found on 6/6

What is the cheapest day to fly from Greenville to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Greenville to Ontario. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Greenville to Ontario flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Greenville to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Greenville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

57.2 - 73.4 °F

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated junio 6, 2024.
Read reviews from past customers who have flown Alaska Airlines, Delta and American Airlines from Greenville to Ontario. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,222 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta
8.0
Very good
10,368 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,696 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,227 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Related info for your journey

Find useful and relevant information for your journey from Greenville to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Greenville to Ontario for under $400 on Cheapflights?

    Yes, there are multiple flights from Greenville to Ontario for under $400. The cheapest flight booked recently is on Delta for just $318, but on average you can expect to pay $383.

  • Are there last-minute flights available from Greenville to Ontario for under $600?

    There are currently 20+ open flights from Greenville to Ontario within the next 7 days for less than $600.

  • What are the cheapest airlines flying from Greenville to Ontario round-trip?

    Our cheapest airline available from Greenville to Ontario is Delta. Our recent data shows that you can find tickets from as low as $318 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $391 and $418 round-trip. Users have found that Delta is 35% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Greenville to Ontario one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $159. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Greenville to Ontario for a low price.

  • What does GSP to ONT mean?

    Great question - GSP to ONT just means Greenville Airport to Ontario Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Greenville to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Greenville to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Greenville to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Greenville to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Greenville to Ontario that include hotel bookings?

    Yes. In addition to deals on Greenville to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Greenville to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greenville to Ontario.

  • Can I find deals for business class flights from Greenville to Ontario?

    Yes. Cheapflights offers flight deals from Greenville to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Greenville to Ontario that allow pets onboard?

    Many airlines flying from Greenville to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Greenville to Ontario?

    Yes, you can often find last-minute deals on Greenville to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Greenville to Ontario flight deals updated?

    The Greenville to Ontario flight deals you see on this page were last updated on 6/6.

  • What is the cheapest month to book a flight from Greenville to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Greenville to Ontario (average of $239). Flying from Greenville to Ontario in July is currently the most expensive (average of $327). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Greenville to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from Greenville to Ontario

Discover the top 2 airlines that operate flights from Greenville to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$283Average$463FlexibilityNo cancel feeOn-time71%
DeltaCheapest$365Average$627FlexibilityNo cancel feeOn-timeN/A
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Search flights from Greenville to Ontario by cabin class

Find flights from Greenville to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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