Cheap flights from Charleston to San Diego

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Flight deals from Charleston to San Diego

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

Find the cheapest month to fly from Charleston to San Diego

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

Alternative Charleston to San Diego routes

Looking for the cheapest, fastest or easiest route from Charleston to San Diego? You could fly into the following airports instead.

Charleston to San Diego: Flight information

The things to know before you go.
Cheapest flight foundC$269
Cheapest month to flySeptember

Finding cheap flights from Charleston to San Diego: Frequently asked questions

There are 2 airports in San Diego: San Diego International and McClellan – Palomar.
The best price we found for a round-trip flight from Charleston to San Diego is C$269. 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 Charleston to San Diego. But we found flights with one or more stops from C$269.
There are no flights flying from Charleston to San Diego, as of June 2025.
The cheapest month to fly from Charleston to San Diego is usually June 2025.
If you're flying from Charleston Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the center of San Diego. We've found flights to this airport from C$269.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Charleston Airport to San Diego on Wednesday, September 10, 2025.
No airlines currently offer direct flights between Charleston Airport and San Diego. 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 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.
In June, the average temperature is usually around 19°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, Southwest Airlines offers the cheapest flight tickets to San Diego.

Flying from Charleston International Airport (CHS) to San Diego: what you need to know

  • The timezone in San Diego is UTC-7. The city is three hours behind Charleston, where Charleston International Airport is located.

  • To avoid rushing for your CHS to San Diego flight, allow plenty of time for things like baggage drop and finding your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • Longer lines at check-in and security are likely if you're travelling during high season, so allow some extra wiggle room. A good rule for peak times? Arrive up to four hours ahead for international flights and two hours for domestic departures.

  • The journey from central Charleston to CHS takes around 3 hours 35 minutes on public transport. If you ride-share, drive or get a cab, you'll cover the 16 kilometres in 30 minutes or so, depending on traffic.

  • Catching an early flight from Charleston International Airport to San Diego? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to CHS:

  • Charleston International Airport has a strong on-time record, so you're unlikely to face delays. Departures from CHS touch down on schedule 81.5% of the time.

How to find the cheapest flights from Charleston International Airport (CHS) to San Diego

  • C$133 is the lowest price we've seen for a one-way Charleston International Airport to San Diego flight. A return ticket right now is C$269. Depending on the availability and when you book, these fares could change.

  • To pick up cheap flights from CHS to San Diego, book early. Airlines usually offer their most competitively priced fares when flights are first released.

  • If you have flexibility with your travel plans, take advantage of the 'Whole month' tool. It'll find the lowest price across every month when searching for your Charleston International Airport to San Diego ticket.

  • You don't need to check back constantly to see if fares have dropped when you set up a Price Alert. We'll update you the moment there's an even better deal on cheap flights from CHS to San Diego.

  • Find a cheap flight from Charleston International Airport to San Diego with the help of our filters. Choose your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) to central San Diego takes around 10 minutes by car. The centre is roughly 5 kilometres away.

  • Travelling to the centre by public transport will take you around 20 minutes.

  • Consider booking a hotel close to SAN if you're coming in on a late flight from Charleston International Airport to San Diego. Select one of these options and make your arrival easier:

  • Follow your own route with a San Diego International Airport rental car. Pick up your wheels from Thrifty, Dollar or Budget and chase adventure across San Diego and beyond.

  • Secure the lowest price by reserving your ride from San Diego International Airport around two weeks in advance of your flight from CHS to San Diego.

  • SAN is located at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • Once your flight from Charleston International Airport to San Diego has arrived, you can reach the city centre in around 40 minutes by car. Central San Diego is roughly 56 kilometres from McClellan-Palomar Airport (CLD).

  • If you choose to travel on public transport, you'll get to the city centre in 2 hours 15 minutes or so.

  • After stepping off your CHS to San Diego flight, settle in at a hotel close to CLD. These are some great options that'll help you get into relaxation mode:

  • Forget about inconvenient public transport schedules or waiting in a long cab line. Grab a McClellan-Palomar Airport rental car and let your trip unfold on your terms. Compare offers from Budget, Hertz and Avis.

  • Get your ideal vehicle, not just what's left, by securing your ride from CLD ahead of time. You can also avoid paying more than you have to, especially when demand is high.

Best time to go to San Diego

  • Plan your trip to San Diego during high season if you prefer a busy atmosphere, but remember that hotel prices are usually higher. Alternatively, book flights from Charleston International Airport to San Diego during the off-season when prices are cheaper and crowds are smaller.

  • Lock in a Charleston International Airport to San Diego flight ticket with a departure in August if you want to explore the city during its warmest month. Expect temperatures to range from 17ºC (63ºF) to 28ºC (82ºF).

  • If you want to travel in cooler conditions, look for a cheap ticket from CHS to San Diego in February when temperatures average between 7ºC (45ºF) and 23ºC (73ºF).

More about San Diego

  • After booking your flight from Charleston International Airport to San Diego, choose a hotel that puts you where you want to be. Make one of these accommodation options your base for exploring San Diego:

  • There are so many things to do and see in this city it can be hard to work out where to begin. USS Midway Museum, San Diego Zoo and SeaWorld San Diego are top sights which should feature on any well-planned San Diego itinerary.

Explore more of United States

  • San Diego has plenty going for it, but there are so many other corners of United States just waiting to be discovered. About 177 kilometres north-west of San Diego, a trip to Los Angeles will keep you on the move. Check out popular attractions like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • Around 483 kilometres east of San Diego, Phoenix is another favourite stop in United States. Experience the best of this destination with a visit to Desert Botanical Garden, Heard Museum and Papago Park.

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