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$176+ Cheap flights from Greenville to San Diego (GSP - SAN)

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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — SAN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Greenville to San Diego are usually found in July or February, booked 57 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Greenville to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) to San Diego (SAN). 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 July 3, 2025.

Round-trip from

$319
(American Airlines)

One-way from

$176
(Delta)

Popular in

March

Cheapest in

July

Average price

$381
From Greenville to San Diego
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One-way flight from Greenville to San Diego
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Greenville to San Diego

Cheapest flights from Greenville to San Diego
Explore the most affordable flight options available from Greenville to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:37 amGSP - SAN
1 stop9h 30mAmerican Airlines
Sun 8/316:15 amSAN - GSP
1 stop7h 20mAmerican Airlines
Deal found 7/1$319
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/239:35 amGSP - SAN
1 stop9h 15mUnited Airlines
Sun 8/319:45 pmSAN - GSP
1 stop9h 04mUnited Airlines
Deal found 7/1$322
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/48:07 pmGSP - SAN
1 stop6h 14mDelta
Mon 8/1110:30 pmSAN - GSP
1 stop7h 51mDelta
Deal found 7/3$351
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/23:25 pmGSP - SAN
1 stop9h 50mSouthwest
Tue 8/54:30 pmSAN - GSP
2 stops14h 20mSouthwest
Deal found 7/3$359
This Mytrip deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/14:05 pmGSP - SAN
2 stops20h 50mMultiple Airlines
Sat 8/27:00 pmSAN - GSP
2 stops23h 16mMultiple Airlines
Deal found 7/1$377

Cheapflights Fare Finder

Customize your flight search to find flights from Greenville to San Diego 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 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Greenville to San Diego that are best for you.

Fly from

Greenville

Fly to

San Diego

Route

Depart

Return

Price

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Thu 8/28

7:37 am-2:07 pm

1 stop9h 30m

San Diego

Sun 8/31

6:15 am-4:35 pm

1 stop7h 20m

$319

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Sat 8/23

9:35 am-3:50 pm

1 stop9h 15m

San Diego

Sun 8/31

9:45 pm-9:49 am

1 stop9h 04m

$322

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Mon 8/4

8:07 pm-11:21 pm

1 stop6h 14m

San Diego

Mon 8/11

10:30 pm-9:21 am

1 stop7h 51m

$351

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Sat 8/2

3:25 pm-10:15 pm

1 stop9h 50m

San Diego

Tue 8/5

4:30 pm-9:50 am

2 stops14h 20m

$359

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Fri 8/1

4:05 pm-9:55 am

2 stops20h 50m

San Diego

Sat 8/2

7:00 pm-9:16 pm

2 stops23h 16m

$377

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Mon 8/18

2:09 pm-7:26 pm

1 stop8h 17m

$176

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Fri 8/1

4:05 pm-9:55 am

2 stops20h 50m

$188

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Sun 8/17

5:00 am-10:39 am

1 stop8h 39m

$194

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Sat 8/16

2:52 pm-10:14 pm

2 stops10h 22m

$246

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Sun 8/17

2:10 pm-9:55 pm

2 stops10h 45m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 12 results
1
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Best time to book a flight from Greenville to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego 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.

Cheapflights Insights

Everything you need to know about your flight from Greenville to San Diego

How far ahead should I book a flight from Greenville to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Greenville to San Diego. Price data was last updated on June 27, 2025.

The price you pay for your flight from Greenville to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Greenville to San Diego?

Currently, August is the cheapest month in which you can book a flight from Greenville to San Diego (average of $286). Flying from Greenville to San Diego in March is currently the most expensive (average of $366). 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.

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

Find hourly flight availability from Greenville to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

It’s typically best to fly out from Greenville to San Diego in the evening. Doing so could potentially save you 10% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated July 3, 2025.
Peruse reviews from past customers who have flown with Breeze Airways, Alaska Airlines, and Southwest from Greenville to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
183 reviews

Comfort

8.2

Entertainment

6.6

Boarding

8.3

Food

6.8

Overall

8.1

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
183 reviews
Breeze Airways
8.1
Very good
183 reviews

Comfort

8.2

Entertainment

6.6

Boarding

8.3

Food

6.8

Overall

8.1

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Alaska Airlines
8.0
Very good
10,000 reviews
Breeze Airways
8.1
Very good
183 reviews

Comfort

8.2

Entertainment

6.6

Boarding

8.3

Food

6.8

Overall

8.1

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,266 reviews
Breeze Airways
8.1
Very good
183 reviews

Comfort

8.2

Entertainment

6.6

Boarding

8.3

Food

6.8

Overall

8.1

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Delta
8.0
Very good
7,982 reviews
Breeze Airways
8.1
Very good
183 reviews

Comfort

8.2

Entertainment

6.6

Boarding

8.3

Food

6.8

Overall

8.1

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
United Airlines
7.4
Good
8,861 reviews
Breeze Airways
8.1
Very good
183 reviews

Comfort

8.2

Entertainment

6.6

Boarding

8.3

Food

6.8

Overall

8.1

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Related info for your journey

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

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

    Cheapflights users have booked flights from Greenville to San Diego round-trip from $319. Other airlines that can offer you cheap pricing are United Airlines, from $322, and Delta, from $351. These flights start at 29% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $176. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Greenville to San Diego for a low price.

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

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

  • How can I find direct flights from Greenville to San Diego?

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Greenville to San Diego (average of $286). Flying from Greenville to San Diego in March is currently the most expensive (average of $366). 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

Traveling to a place near Greenville?

Book flights to Greenville if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
National City
Lemon Grove
Imperial Beach
La Mesa
Poway
Alpine
Santee

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Top 4 airlines flying from Greenville to San Diego

Discover the top 4 airlines that operate flights from Greenville to San Diego. 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 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$224Average$426FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$319Average$463FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$321Average$517FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$350Average$467FlexibilityNo cancel feeOn-time63%

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