San Diego

$156+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — SAN
Apr 2 — Apr 91
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Cheapflights Tip: The best prices from Greenville to San Diego are usually found in February or August, booked 51 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$297
(Delta)

One-way from

$156
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$546
Provider with most accurate pricing for Greenville-San Diego flight deals.
Provider most trusted by Cheapflights users for Greenville-San Diego flights.
From Greenville to San Diego
One-way flight from Greenville to San Diego
Highest demand for flights based on searches. 4% potential increase in price ($22 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in March 2025

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 March 28, 2025.

This Delta deal was found by Cheapflights users on 3/27. 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 6/27:59 pmGSP - SAN
1 stop6h 43mDelta
Wed 6/1110:15 pmSAN - GSP
1 stop9h 07mDelta
Deal found 3/27$297
This American Airlines deal was found by Cheapflights users on 3/28. 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.
Wed 4/165:28 amGSP - SAN
1 stop6h 47mAmerican Airlines
Sun 4/2011:54 amSAN - GSP
1 stop6h 20mAmerican Airlines
Deal found 3/28$322
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 4/117:05 amGSP - SAN
1 stop7h 02mUnited Airlines
Tue 4/158:30 pmSAN - GSP
2 stops10h 25mUnited Airlines
Deal found 3/27$362
This Southwest deal was found by Cheapflights users on 3/27. 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 6/77:50 pmGSP - SAN
1 stop6h 30mSouthwest
Thu 6/126:30 amSAN - GSP
1 stop12h 30mSouthwest
Deal found 3/27$382
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Mon 6/26:16 pmGSP - SAN
2 stops15h 57mMultiple Airlines
Wed 6/118:08 amSAN - GSP
2 stops34h 19mMultiple Airlines
Deal found 3/27$446
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/226:35 amGSP - SAN
2 stops12h 55mAlaska Airlines
Thu 4/245:26 pmSAN - GSP
2 stops14h 48mAlaska Airlines
Deal found 3/26$633
This KAYAK deal was found by Cheapflights users on 3/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/19:28 amGSP - SAN
3 stops29h 08mBreeze Airways
Mon 8/1112:43 pmSAN - GSP
2 stops18h 40mBreeze Airways
Deal found 3/27$1,243

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 March 28, 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

Mon 6/2

7:59 pm-11:42 pm

1 stop6h 43m

San Diego

Wed 6/11

10:15 pm-10:22 am

1 stop9h 07m

$297

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Wed 4/16

5:28 am-9:15 am

1 stop6h 47m

San Diego

Sun 4/20

11:54 am-9:14 pm

1 stop6h 20m

$322

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Fri 4/11

7:05 am-11:07 am

1 stop7h 02m

San Diego

Tue 4/15

8:30 pm-9:55 am

2 stops10h 25m

$362

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Sat 6/7

7:50 pm-11:20 pm

1 stop6h 30m

San Diego

Thu 6/12

6:30 am-10:00 pm

1 stop12h 30m

$382

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Mon 6/2

6:16 pm-7:13 am

2 stops15h 57m

San Diego

Wed 6/11

8:08 am-9:27 pm

2 stops34h 19m

$446

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Tue 4/22

6:35 am-4:30 pm

2 stops12h 55m

San Diego

Thu 4/24

5:26 pm-11:14 am

2 stops14h 48m

$633

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Fri 8/1

9:28 am-11:36 am

3 stops29h 08m

San Diego

Mon 8/11

12:43 pm-10:23 am

2 stops18h 40m

$1,243

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Mon 5/12

3:55 pm-7:53 pm

2 stops30h 58m

$156

GreenvilleSan Diego

GSP - SAN

GSPSAN

Greenville

Mon 5/12

4:21 pm-8:46 pm

1 stop7h 25m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Compare providers for flights from Greenville to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Greenville to San Diego in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Greenville-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Greenville-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Greenville-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Greenville-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Greenville-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 March 21, 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 51 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 March 28, 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.

What is the cheapest day to fly from Greenville to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Greenville to San Diego. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Greenville to San Diego flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 March 28, 2025.
Read reviews from past customers who have flown Breeze Airways, Southwest and Alaska Airlines from Greenville to San Diego. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.8

Comfort

8.2

Boarding

8.3

Overall

8.1

Entertainment

6.6

Food

6.7

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!

Crew

8.8

Comfort

8.2

Boarding

8.3

Overall

8.1

Entertainment

6.6

Food

6.7

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!

Crew

8.8

Comfort

8.2

Boarding

8.3

Overall

8.1

Entertainment

6.6

Food

6.7

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!

Crew

8.8

Comfort

8.2

Boarding

8.3

Overall

8.1

Entertainment

6.6

Food

6.7

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!
8.0
Very good

Crew

8.8

Comfort

8.2

Boarding

8.3

Overall

8.1

Entertainment

6.6

Food

6.7

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!

Crew

8.8

Comfort

8.2

Boarding

8.3

Overall

8.1

Entertainment

6.6

Food

6.7

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 $297. Other airlines that can offer you cheap pricing are American Airlines, from $322, and United Airlines, from $362. These flights start at 38% lower than the current average price 3 months from now.

  • 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
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Greenville to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$327Average$489FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$336Average$512FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$349Average$471FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$350Average$467FlexibilityNo cancel feeOn-time63%
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