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$93+ Cheap flights from Charleston to San Diego (CHS - 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SAN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Charleston to San Diego are usually found in May or August, booked 42 days in advance, depart on a Friday or Wednesday and return on a Wednesday

Cheap flight deals from Charleston to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) 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 July 29, 2025.

Round-trip from

$243
(Flysmarter)

One-way from

$93
(CheapOair)

Popular in

March

Cheapest in

May

Average price

$391
From Charleston to San Diego
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One-way flight from Charleston to San Diego
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Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Charleston to San Diego

Cheapest flights from Charleston to San Diego
Explore the most affordable flight options available from Charleston to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Flysmarter deal was found by Cheapflights users on 7/29. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/411:10 amCHS - SAN
1 stop11h 20mJetBlue
Fri 9/129:35 pmSAN - CHS
1 stop11h 32mJetBlue
Deal found 7/29$243
This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2410:38 amCHS - SAN
2 stops23h 43mSpirit Airlines
Thu 8/281:17 pmSAN - CHS
2 stops17h 16mSpirit Airlines
Deal found 7/29$272
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/96:17 pmCHS - SAN
1 stop21h 39mAlaska Airlines
Tue 9/163:45 pmSAN - CHS
1 stop22h 32mAlaska Airlines
Deal found 7/28$324
This American Airlines deal was found by Cheapflights users on 7/29. 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 9/247:06 amCHS - SAN
1 stop7h 57mAmerican Airlines
Tue 9/3010:32 pmSAN - CHS
1 stop8h 10mAmerican Airlines
Deal found 7/29$325
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/207:10 amCHS - SAN
2 stops11h 10mSouthwest
Sat 8/236:30 amSAN - CHS
1 stop8h 35mSouthwest
Deal found 7/28$330
This Delta deal was found by Cheapflights users on 7/29. 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 8/272:55 pmCHS - SAN
1 stop7h 31mDelta
Mon 9/110:40 pmSAN - CHS
1 stop8h 53mDelta
Deal found 7/29$331
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Wed 8/207:00 amCHS - SAN
2 stops13h 56mMultiple Airlines
Sat 8/237:01 pmSAN - CHS
2 stops11h 32mMultiple Airlines
Deal found 7/29$373

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charleston 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 July 29, 2025.
Use the filters below to find and compare flights from Charleston to San Diego that are best for you.

Fly from

Charleston

Fly to

San Diego

Route

Depart

Return

Price

CharlestonSan Diego

CHS - SAN

CHSSAN

Charleston

Thu 9/4

11:10 am-7:30 pm

1 stop11h 20m

San Diego

Fri 9/12

9:35 pm-12:07 pm

1 stop11h 32m

$243

CharlestonSan Diego

CHS - SAN

CHSSAN

Charleston

Fri 10/24

9:10 am-6:42 pm

2 stops12h 32m

San Diego

Thu 10/30

8:19 am-8:15 am

2 stops20h 56m

$284

CharlestonSan Diego

CHS - SAN

CHSSAN

Charleston

Tue 9/9

6:17 pm-12:56 pm

1 stop21h 39m

San Diego

Tue 9/16

3:45 pm-5:17 pm

1 stop22h 32m

$324

CharlestonSan Diego

CHS - SAN

CHSSAN

Charleston

Wed 9/24

8:12 am-2:11 pm

1 stop8h 59m

San Diego

Tue 9/30

12:38 pm-10:44 pm

1 stop7h 06m

$325

CharlestonSan Diego

CHS - SAN

CHSSAN

Charleston

Wed 8/20

7:10 am-3:20 pm

2 stops11h 10m

San Diego

Sat 8/23

6:30 am-6:05 pm

1 stop8h 35m

$330

CharlestonSan Diego

CHS - SAN

CHSSAN

Charleston

Thu 8/28

11:20 am-6:01 pm

1 stop9h 41m

San Diego

Sun 8/31

11:23 am-11:55 pm

1 stop9h 32m

$342

CharlestonSan Diego

CHS - SAN

CHSSAN

Charleston

Thu 9/4

9:40 pm-7:29 am

3 stops36h 49m

San Diego

Fri 9/12

6:15 am-10:28 pm

2 stops13h 13m

$384

CharlestonSan Diego

CHS - SAN

CHSSAN

Charleston

Mon 10/20

9:10 am-11:08 pm

2 stops16h 58m

$93

CharlestonSan Diego

CHS - SAN

CHSSAN

Charleston

Sun 10/26

7:10 pm-6:23 pm

1 stop26h 13m

$118

CharlestonSan Diego

CHS - SAN

CHSSAN

Charleston

Thu 9/4

11:10 am-7:30 pm

1 stop11h 20m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 16 results
1
2

Best time to book a flight from Charleston to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Charleston 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 Charleston to San Diego

How far ahead should I book a flight from Charleston to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Charleston to San Diego. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Charleston to San Diego, you should look to book at least 42 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Charleston to San Diego?

Currently, August is the cheapest month in which you can book a flight from Charleston to San Diego (average of $286). Flying from Charleston 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 CHS to SAN?

Find hourly flight availability from Charleston 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 July 29, 2025.

It’s typically best to fly out from Charleston to San Diego in the afternoon. Doing so could potentially save you 10% on the flight price compared to flying in the morning, which is usually more expensive.

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

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

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

What’s the top layover airport for flights from Charleston to San Diego?

Share of 1-stop round-trip flights from Charleston to San Diego chosen by Cheapflights users in the past 12 months, using the same layover each way.

Dallas (DFW) – chosen by Cheapflights users on 67% of 1-stop itineraries from Charleston to San Diego on Cheapflights.

What’s the cheapest layover airport for flights from Charleston to San Diego?

Average round-trip fare for 1-stop flights from Charleston to San Diego, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $647.

What’s the fastest layover option from Charleston to San Diego?

Shortest average travel time for 1-stop one-way flights from Charleston to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Dallas (DAL) have the shortest average one-way travel time for 1-stop routes: 3h 50m.

Which airport typically offers the quickest layover for flights from Charleston to San Diego?

Average layover duration for 1-stop one-way flights from Charleston to San Diego, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Dallas (DAL) offer the fastest connection on this route, with an average layover time of 1h 13m.

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 July 29, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Charleston to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Charleston 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 Charleston to San Diego round-trip?

    Cheapflights users have booked flights from Charleston to San Diego round-trip from $243. Other airlines that can offer you cheap pricing are Spirit Airlines, from $284, and Alaska Airlines, from $324. JetBlue is 40% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Charleston to San Diego one-way?

    The cheapest airlines for a one-way flight from Charleston to San Diego are Spirit Airlines ($93), Frontier ($118), and JetBlue ($137).

  • Can I find deals for flights from Charleston to San Diego that include hotel bookings?

    Yes. In addition to deals on Charleston to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Charleston to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to San Diego.

  • Can I find deals for business class flights from Charleston to San Diego?

    Yes. Cheapflights offers flight deals from Charleston 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 Charleston to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Charleston to San Diego (average of $286). Flying from Charleston 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 San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
Poway
National City
Lemon Grove
Imperial Beach
La Mesa
Alpine
Santee

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Top 6 airlines flying from Charleston to San Diego

Discover the top 6 airlines that operate flights from Charleston 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$112Average$353FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$170Average$299FlexibilityNo cancel feeOn-time62%
DeltaCheapest$257Average$397FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$270Average$403FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$294Average$459FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$336Average$453FlexibilityNo cancel feeOn-time63%

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