$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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — SAN
Apr 6 — Apr 131
Round-trip
1 adult, Economy
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Find cheap flights from Greenville to San Diego with Cheapflights
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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
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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 March 7, 2026.
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 7, 2026.
This Delta deal was found by Cheapflights users on 3/5. 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.
Wed 3/255:40 am
GSP
- SAN
1 stop7h 12m
Delta
Tue 3/3110:30 pm
SAN
- GSP
1 stop7h 56m
Delta
Deal found 3/5![Delta logo]()
$367
This American Airlines deal was found by Cheapflights users on 3/4. 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 4/95:12 pm
GSP
- SAN
1 stop7h 48m
American Airlines
Wed 4/156:15 am
SAN
- GSP
1 stop7h 06m
American Airlines
Deal found 3/4![American Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 3/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:41 pm
GSP
- SAN
1 stop7h 45m
United Airlines
Sat 4/1812:10 pm
SAN
- GSP
1 stop6h 49m
United Airlines
Deal found 3/3![United Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 3/4. 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.
Sat 4/255:50 pm
GSP
- SAN
1 stop8h 35m
Delta
Tue 4/2810:30 pm
SAN
- GSP
1 stop7h 39m
Delta
Deal found 3/4![Delta logo]()
$373
This Southwest deal was found by Cheapflights users on 3/3. 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.
Wed 4/151:55 pm
GSP
- SAN
1 stop8h 00m
Southwest
Sat 4/187:35 am
SAN
- GSP
2 stops10h 05m
Southwest
Deal found 3/3![Southwest logo]()
$377
This Delta deal was found by Cheapflights users on 3/2. 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.
Sat 4/2512:58 pm
GSP
- SAN
1 stop9h 42m
Delta
Mon 4/279:45 pm
SAN
- GSP
1 stop8h 24m
Delta
Deal found 3/2![Delta logo]()
$378
This Delta deal was found by Cheapflights users on 3/6. 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.
Sat 4/255:40 am
GSP
- SAN
1 stop7h 09m
Delta
Wed 4/292:10 pm
SAN
- GSP
1 stop6h 46m
Delta
Deal found 3/6![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 3/2. 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 5/25:00 pm
GSP
- SAN
1 stop7h 25m
United Airlines
Thu 5/78:45 pm
SAN
- GSP
2 stops10h 02m
United Airlines
Deal found 3/2![United Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 3/3. 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.
Thu 4/26:25 am
GSP
- SAN
1 stop10h 30m
Southwest
Thu 4/96:30 am
SAN
- GSP
1 stop8h 20m
Southwest
Deal found 3/3![Southwest logo]()
$384
This American Airlines deal was found by Cheapflights users on 3/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:30 pm
GSP
- SAN
1 stop8h 53m
American Airlines
Tue 3/3112:45 pm
SAN
- GSP
1 stop7h 00m
American Airlines
Deal found 3/3![American Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 3/2. 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 5/210:45 am
GSP
- SAN
2 stops8h 45m
Southwest
Thu 5/710:20 am
SAN
- GSP
2 stops8h 55m
Southwest
Deal found 3/2![Southwest logo]()
$388
Best flights from Greenville to San DiegoDiscover carefully curated flight deals from Greenville to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 7, 2026.
Discover carefully curated flight deals from Greenville to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 7, 2026.
This Delta deal was found by Cheapflights users on 3/5. 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.
Wed 3/255:40 am
GSP
- SAN
1 stop7h 12m
Delta
Tue 3/3110:30 pm
SAN
- GSP
1 stop7h 56m
Delta
Deal found 3/5![Delta logo]()
$367
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/2512:22 pm
GSP
- SAN
1 stop9h 31m
United Airlines
Tue 4/2810:30 pm
SAN
- GSP
1 stop8h 16m
United Airlines
Deal found 3/2![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 3/4. 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 5/28:00 am
GSP
- SAN
1 stop9h 45m
Southwest
Sat 5/98:10 am
SAN
- GSP
2 stops9h 30m
Southwest
Deal found 3/4![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 3/2. 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 5/25:00 pm
GSP
- SAN
1 stop7h 25m
United Airlines
Thu 5/710:40 pm
SAN
- GSP
1 stop8h 07m
United Airlines
Deal found 3/2![United Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 3/6. 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 4/136:26 pm
GSP
- SAN
1 stop7h 40m
Delta
Thu 4/1611:54 am
SAN
- GSP
1 stop7h 52m
Delta
Deal found 3/6![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 3/3. 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 5/28:00 am
GSP
- SAN
1 stop9h 45m
Southwest
Thu 5/710:20 am
SAN
- GSP
2 stops8h 55m
Southwest
Deal found 3/3![Southwest logo]()
$383
This Southwest deal was found by Cheapflights users on 3/3. 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.
Thu 4/26:25 am
GSP
- SAN
1 stop10h 30m
Southwest
Thu 4/96:30 am
SAN
- GSP
1 stop8h 20m
Southwest
Deal found 3/3![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 3/6. 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.
Mon 4/136:25 pm
GSP
- SAN
1 stop7h 30m
Southwest
Thu 4/1610:20 am
SAN
- GSP
2 stops8h 55m
Southwest
Deal found 3/6![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 3/3. 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.
Mon 4/206:25 pm
GSP
- SAN
1 stop7h 30m
Southwest
Fri 4/249:40 pm
SAN
- GSP
1 stop9h 30m
Southwest
Deal found 3/3![Southwest logo]()
$413
This Southwest deal was found by Cheapflights users on 3/2. 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.
Fri 4/171:50 pm
GSP
- SAN
1 stop8h 10m
Southwest
Wed 4/228:40 am
SAN
- GSP
2 stops10h 00m
Southwest
Deal found 3/2![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 3/4. 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.
Fri 4/101:50 pm
GSP
- SAN
1 stop11h 10m
Southwest
Mon 4/1310:40 pm
SAN
- GSP
1 stop10h 30m
Southwest
Deal found 3/4![Southwest logo]()
$418
Last-minute flights from Greenville to San DiegoDiscover last-minute flight deals from Greenville to San Diego. Data last updated March 7, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to San Diego. Data last updated March 7, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/5. 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.
Wed 3/255:40 am
GSP
- SAN
1 stop7h 12m
Delta
Tue 3/3110:30 pm
SAN
- GSP
1 stop7h 56m
Delta
Deal found 3/5![Delta logo]()
$367
This American Airlines deal was found by Cheapflights users on 3/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:30 pm
GSP
- SAN
1 stop8h 53m
American Airlines
Tue 3/3112:45 pm
SAN
- GSP
1 stop7h 00m
American Airlines
Deal found 3/3![American Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 3/3. 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.
Thu 4/26:25 am
GSP
- SAN
1 stop10h 30m
Southwest
Thu 4/96:30 am
SAN
- GSP
1 stop8h 20m
Southwest
Deal found 3/3![Southwest logo]()
$384
This American Airlines deal was found by Cheapflights users on 3/4. 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 4/95:12 pm
GSP
- SAN
1 stop7h 48m
American Airlines
Wed 4/156:15 am
SAN
- GSP
1 stop7h 06m
American Airlines
Deal found 3/4![American Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 3/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:41 pm
GSP
- SAN
1 stop7h 45m
United Airlines
Sat 4/1812:10 pm
SAN
- GSP
1 stop6h 49m
United Airlines
Deal found 3/3![United Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 3/3. 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.
Wed 4/151:55 pm
GSP
- SAN
1 stop8h 00m
Southwest
Sat 4/187:35 am
SAN
- GSP
2 stops10h 05m
Southwest
Deal found 3/3![Southwest logo]()
$377
This Delta deal was found by Cheapflights users on 3/4. 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.
Sat 4/255:50 pm
GSP
- SAN
1 stop8h 35m
Delta
Tue 4/2810:30 pm
SAN
- GSP
1 stop7h 39m
Delta
Deal found 3/4![Delta logo]()
$373
This Delta deal was found by Cheapflights users on 3/2. 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.
Sat 4/2512:58 pm
GSP
- SAN
1 stop9h 42m
Delta
Mon 4/279:45 pm
SAN
- GSP
1 stop8h 24m
Delta
Deal found 3/2![Delta logo]()
$378
This Delta deal was found by Cheapflights users on 3/6. 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.
Sat 4/255:40 am
GSP
- SAN
1 stop7h 09m
Delta
Wed 4/292:10 pm
SAN
- GSP
1 stop6h 46m
Delta
Deal found 3/6![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 3/4. 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 4/2510:45 am
GSP
- SAN
2 stops8h 45m
Southwest
Wed 4/2910:20 am
SAN
- GSP
2 stops8h 20m
Southwest
Deal found 3/4![Southwest logo]()
$383
This Southwest deal was found by Cheapflights users on 3/2. 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.
Thu 4/306:25 am
GSP
- SAN
2 stops9h 15m
Southwest
Thu 5/1410:40 pm
SAN
- GSP
1 stop10h 20m
Southwest
Deal found 3/2![Southwest logo]()
$390
One-way flights from Greenville to San DiegoSearch for one-way flight options from Greenville to San Diego. Find affordable one-way fares based on user searches. Data last updated March 7, 2026.
Search for one-way flight options from Greenville to San Diego. Find affordable one-way fares based on user searches. Data last updated March 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:18 pm
GSP
- SAN
2 stops42h 16m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:18 pm
GSP
- SAN
3 stops21h 06m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:07 pm
GSP
- SAN
3 stops32h 55m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$171
This American Airlines deal was found by Cheapflights users on 3/4. 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 4/112:45 pm
GSP
- SAN
1 stop9h 24m
American Airlines
Deal found 3/4![American Airlines logo]()
$184
This Southwest deal was found by Cheapflights users on 3/3. 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.
Mon 4/136:25 pm
GSP
- SAN
1 stop7h 30m
Southwest
Deal found 3/3![Southwest logo]()
$190
Find 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 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $367 (Delta) |
One-way from | $144 (Kiwi.com) |
Popular in | April |
Cheapest in | July |
Average price | $516 |
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 7, 2026.
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
Cheapest round-trip
Quickest round-trip
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Wed 3/25
5:40 am-9:52 am
1 stop7h 12m
San Diego
Tue 3/31
10:30 pm-9:26 am
1 stop7h 56m
$367
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Sat 4/25
12:22 pm-6:53 pm
1 stop9h 31m
San Diego
Tue 4/28
10:30 pm-9:46 am
1 stop8h 16m
$377
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Sat 5/2
5:00 pm-9:25 pm
1 stop7h 25m
San Diego
Thu 5/7
10:40 pm-9:47 am
1 stop8h 07m
$378
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Mon 4/13
6:26 pm-11:06 pm
1 stop7h 40m
San Diego
Thu 4/16
11:54 am-10:46 pm
1 stop7h 52m
$379
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Sat 5/2
8:00 am-2:45 pm
1 stop9h 45m
San Diego
Sat 5/9
8:10 am-8:40 pm
2 stops9h 30m
$382
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Sat 5/2
8:00 am-2:45 pm
1 stop9h 45m
San Diego
Thu 5/7
10:20 am-10:15 pm
2 stops8h 55m
$383
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Thu 4/2
6:25 am-1:55 pm
1 stop10h 30m
San Diego
Thu 4/9
6:30 am-5:50 pm
1 stop8h 20m
$384
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Mon 4/13
6:25 pm-10:55 pm
1 stop7h 30m
San Diego
Thu 4/16
10:20 am-10:15 pm
2 stops8h 55m
$384
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Mon 4/20
6:25 pm-10:55 pm
1 stop7h 30m
San Diego
Fri 4/24
9:40 pm-10:10 am
1 stop9h 30m
$413
GreenvilleSan Diego
GSP - SAN
GSPSAN
Greenville
Fri 4/17
1:50 pm-7:00 pm
1 stop8h 10m
San Diego
Wed 4/22
8:40 am-9:40 pm
2 stops10h 00m
$417
Showing 1-10 of 21 resultsSorted by cheapest first
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 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 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.
GSP-SAN
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 6, 2026.
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, March is the cheapest month in which you can book a flight from Greenville to San Diego (average of $96). Flying from Greenville to San Diego in February is currently the most expensive (average of $283). 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.
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 7, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines 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.
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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 San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
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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 March 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$148 | Average$411 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$286 | Average$453 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$312 | Average$477 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$356 | Average$512 | FlexibilityNo cancel fee | On-time63% |