Cheap flights from Greenville-Spartanburg to San Diego International

Compare Greenville-Spartanburg to San Diego International flight deals

Find the cheapest month or even day of the year to fly to San Diego International

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Flight deals from Greenville-Spartanburg to San Diego International

Looking for a cheap last-minute deal or the best return flight from Greenville-Spartanburg to San Diego International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Greenville-Spartanburg to San Diego International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Greenville-Spartanburg to San Diego International flights are currently cheapest in October.

Greenville-Spartanburg to San Diego International: Alternative routes

Compare routes from Greenville-Spartanburg to San Diego below. You may find an airport to fly into that's cheaper, faster, or easier than San Diego International.

Greenville to San Diego: Flight information

The things to know before you go.
Cheapest flight foundP19,311
Cheapest month to flyOctober

Finding cheap flights from Greenville-Spartanburg to San Diego International: Frequently asked questions

The best price we found for a return flight from Greenville-Spartanburg to San Diego International is P19,311. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Greenville-Spartanburg to San Diego International. But we found flights with one or more stops from P19,311.
As of September 2025, there are no flights flying from Greenville-Spartanburg to San Diego International.
The cheapest month to fly from Greenville-Spartanburg to San Diego International is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Greenville-Spartanburg Airport to San Diego International Airport on Thursday, 23 October 2025.
No airlines currently offer direct flights between Greenville-Spartanburg Airport and San Diego International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Southwest Airlines offers the cheapest flight tickets to San Diego International.

Travelling from Greenville-Spartanburg International Airport (GSP) to San Diego International Airport (SAN): what you need to know

  • San Diego is three hours behind Greenville and is in the UTC-7 timezone.

  • To ensure you get on your GSP to SAN flight, allow plenty of time to check in and drop off your luggage. Arriving two hours before international departures and an hour before domestic flights is the general rule.

  • Flying during a peak time such as August? Public holidays and other popular seasons can mean longer queues and delays at security. Play it safe and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • If you'd like to include a stop along the way, just deselect 'Direct flights only' when searching for your ticket from Greenville-Spartanburg International Airport to San Diego International Airport. These are the most popular stopovers between GSP and SAN:

    • George Bush Intercontinental Airport

    • Dallas/Fort Worth International Airport

    • Hartsfield-Jackson Atlanta International Airport

How to find the cheapest flights from Greenville-Spartanburg International Airport (GSP) to San Diego International Airport (SAN)

  • At the moment, P9,493 is the lowest price we've found for a one-way Greenville-Spartanburg International Airport to San Diego International Airport flight. The best price for a return ticket is P19,311. Bear in mind that fares may change due to availability at the time of booking.

  • To pick up cheap tickets from GSP to SAN, book ahead. Airlines generally offer the most competitive fares when flights are first made available.

  • The 'Whole month' search tool shows you the cheapest flights from Greenville-Spartanburg International Airport to San Diego International Airport throughout the entire month. It's an easy way to snap up a bargain if your trip dates are flexible.

  • Snapping up cheap flights from GSP to SAN couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as fares go down.

  • Tailor your flights with filters. Pick your ideal arrival and departure times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Greenville-Spartanburg International Airport to San Diego International Airport.

Handy information about Greenville-Spartanburg International Airport (GSP)

  • You'll find GSP at 2000 GPS Drive, Suite 1.

  • When it comes to the on-time performance of Greenville-Spartanburg International Airport, 79.7% of flights arrive within the expected timeframe.

  • Central Greenville to Greenville-Spartanburg International Airport is approximately 27 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Looking for a convenient hotel near GSP? If you've booked an early flight from Greenville-Spartanburg International Airport to San Diego International Airport, these accommodation options will have you moments from your departure lounge:

Arriving at San Diego International Airport (SAN)

Getting from San Diego International Airport (SAN) to central San Diego

  • The street address for SAN is Airport Drive.

  • San Diego International Airport is approximately 5 kilometres from central San Diego. The drive time takes about 10 minutes.

  • If you're taking public transport, expect a journey of around 20 minutes.

When to fly to San Diego International Airport (SAN)

  • July is the busiest month for flights from Greenville-Spartanburg International Airport to San Diego International Airport. To steer clear of the crowds, head to San Diego in May.

  • Book your flight from Greenville-Spartanburg International Airport to San Diego International Airport for August if you want to explore San Diego during its warmest month. You can expect temperatures of between 17ºC (63ºF) and 28ºC (82ºF).

  • If you want to travel in cooler conditions, look for a cheap ticket from GSP to SAN in February. Temperatures average between 7ºC (45ºF) and 23ºC (73ºF) then.

Explore more of United States

  • San Diego has plenty to offer, but there are so many other parts of United States you'll want to see. Around 177 kilometres north-west of San Diego, a trip to Los Angeles will keep your itinerary busy. Don't miss top attractions like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • Phoenix is another essential stop in United States and is around 483 kilometres east of San Diego. No trip is complete without seeing Desert Botanical Garden, Heard Museum and Papago Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.