$144+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Greenville to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Greenville to San Diego are usually found in February or April, booked 79 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 May 12, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Priceline 3 stars |
Round-trip from | $287 (American Airlines) |
One-way from | $144 (American Airlines) |
Popular in | March |
Cheapest in | February |
Average price | $426 |
Find flight deals from Greenville to San Diego
Cheapest flights from Greenville to San DiegoExplore 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 May 12, 2025.
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 May 12, 2025.
This American Airlines deal was found by Cheapflights users on 5/12. 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.
This United Airlines deal was found by Cheapflights users on 5/11. 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.
This Southwest deal was found by Cheapflights users on 5/11. 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.
This Delta deal was found by Cheapflights users on 5/12. 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.
This Mytrip deal was found by Cheapflights users on 5/11. 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.
This KAYAK deal was found by Cheapflights users on 5/11. 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.
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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.
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 May 12, 2025.
Use the filters below to find and compare flights from Greenville to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Tue 6/3
5:26 am-10:59 am
1 stop8h 33m
San Diego
Tue 6/10
9:13 pm-8:18 am
1 stop8h 05m
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Sat 7/5
5:35 pm-11:44 pm
2 stops9h 09m
San Diego
Wed 7/9
11:58 am-10:00 pm
1 stop7h 02m
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Tue 6/10
3:10 pm-11:10 pm
2 stops11h 00m
San Diego
Tue 6/17
8:55 pm-9:50 am
1 stop9h 55m
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Sat 8/30
5:45 am-2:36 pm
2 stops11h 51m
San Diego
Tue 9/2
10:10 pm-10:27 am
1 stop9h 17m
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Mon 6/23
2:50 pm-11:29 pm
3 stops35h 39m
San Diego
Sat 6/28
2:30 pm-8:28 pm
2 stops26h 58m
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Thu 5/29
9:08 pm-12:03 pm
2 stops17h 55m
San Diego
Tue 6/3
12:41 pm-9:54 am
3 stops42h 13m
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Thu 5/29
6:26 am-1:36 pm
1 stop10h 10m
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Thu 5/29
4:35 pm-11:41 pm
2 stops10h 06m
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Thu 5/29
4:33 pm-7:53 pm
3 stops30h 20m
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Thu 5/22
10:34 am-11:42 am
1 stop28h 08m
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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 Priceline the most. Priceline 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.
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 May 9, 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 May 12, 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 May 12, 2025.
Boarding
Food
Comfort
Entertainment
Crew
Overall
Reviews
Dena,Dec 2024
LAS - BDL
Boarding
Food
Comfort
Entertainment
Crew
Overall
Reviews
Dena,Dec 2024
LAS - BDL
Boarding
Food
Comfort
Entertainment
Crew
Overall
Reviews
Dena,Dec 2024
LAS - BDL
Boarding
Food
Comfort
Entertainment
Crew
Overall
Reviews
Dena,Dec 2024
LAS - BDL
Boarding
Food
Comfort
Entertainment
Crew
Overall
Reviews
Dena,Dec 2024
LAS - BDL
Boarding
Food
Comfort
Entertainment
Crew
Overall
Reviews
Dena,Dec 2024
LAS - BDL
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.
Traveling to a place near Greenville?
Book flights to Greenville if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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 May 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$296 | Average$452 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$319 | Average$459 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$321 | Average$505 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$350 | Average$466 | FlexibilityNo cancel fee | On-time63% |