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Cheap flights from Charleston to San Sebastian from $1,052

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Charleston to San Sebastian departing on 7/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Charleston to San Sebastian

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:40 am - 8:40 am
CHS
-
EAS
20h 00m
2 stops
American Airlines Logo
9:20 am - 11:09 pm
EAS
-
CHS
19h 49m
2 stops
$1,052American Airlines
Tue, Jul 7 - Tue, Jul 14
British Airways Logo
1:09 pm - 4:55 pm
CHS
-
EAS
21h 46m
2 stops
British Airways Logo
9:30 pm - 6:51 pm
EAS
-
CHS
27h 21m
2 stops
$1,101British Airways
Mon, Jul 6 - Mon, Jul 13
Multiple Airlines Logo
8:48 am - 8:40 am
CHS
-
EAS
17h 52m
2 stops
Multiple Airlines Logo
9:30 pm - 11:59 pm
EAS
-
CHS
32h 29m
2 stops
$1,121Multiple Airlines
Mon, Jul 27 - Mon, Aug 3
Multiple Airlines Logo
11:05 am - 8:40 am
CHS
-
EAS
15h 35m
2 stops
Multiple Airlines Logo
9:30 pm - 10:39 pm
EAS
-
CHS
55h 09m
2 stops
$1,143Multiple Airlines
Wed, Sep 16 - Thu, Sep 24
British Airways Logo
1:09 pm - 8:50 pm
CHS
-
EAS
25h 41m
2 stops
British Airways Logo
9:30 pm - 11:55 pm
EAS
-
CHS
32h 25m
2 stops
$2,472British Airways
Mon, Jul 27 - Sat, Aug 1

British Airways flights from Charleston to San Sebastian

Our best British Airways deals on Charleston to San Sebastian flight tickets
British Airways
Jul 6
CHS1:09 pmCharleston
21h 46m
2 stops
EAS4:55 pmSan Sebastián
Jul 13
EAS9:30 pmSan Sebastián
27h 21m
2 stops
CHS6:51 pmCharleston
$1,101
British Airways
Jul 27
CHS1:09 pmCharleston
25h 41m
2 stops
EAS8:50 pmSan Sebastián
Aug 1
EAS9:30 pmSan Sebastián
32h 25m
2 stops
CHS11:55 pmCharleston
$2,472

momondo Fare Finder

 
Customize your flight search to find flights from Charleston to San Sebastian 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, momondo users made 832,500 searches. Data last updated May 8, 2026.
Use the filters below to find and compare flights from Charleston to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

CharlestonSan Sebastian

CHS - EAS

CHSEAS

Charleston

Tue 7/7

6:40 am-8:40 am

2 stops20h 00m

San Sebastián

Tue 7/14

9:20 am-11:09 pm

2 stops19h 49m

$1,052

CharlestonSan Sebastian

CHS - EAS

CHSEAS

Charleston

Mon 7/6

1:09 pm-4:55 pm

2 stops21h 46m

San Sebastián

Mon 7/13

9:30 pm-6:51 pm

2 stops27h 21m

$1,101

CharlestonSan Sebastian

CHS - EAS

CHSEAS

Charleston

Mon 7/27

8:48 am-8:40 am

2 stops17h 52m

San Sebastián

Mon 8/3

9:30 pm-11:59 pm

2 stops32h 29m

$1,121

CharlestonSan Sebastian

CHS - EAS

CHSEAS

Charleston

Wed 9/16

11:05 am-8:40 am

2 stops15h 35m

San Sebastián

Thu 9/24

9:30 pm-10:39 pm

2 stops55h 09m

$1,143

CharlestonSan Sebastian

CHS - EAS

CHSEAS

Charleston

Mon 7/27

1:09 pm-8:50 pm

2 stops25h 41m

San Sebastián

Sat 8/1

9:30 pm-11:55 pm

2 stops32h 25m

$2,472

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Charleston to San Sebastian

Are you open to changing your travel dates? Check out the ideal times to fly from Charleston to San Sebastian according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Charleston to San Sebastian (CHS to EAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Charleston to San Sebastian

Fastest flight time

17h 13m

Direct flights

None
The fastest flight from Charleston to San Sebastian takes 17h 13m
There are no direct flights from Charleston to San Sebastian. There are no popular flight routes from Charleston to San Sebastian.
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Frequently asked questions about flying from Charleston to San Sebastian

  • How far is Charleston to San Sebastián by plane?

    There are 4147.2 mi between Charleston and San Sebastián. In terms of flight time, this usually takes a little over 17h 13m.

  • When did momondo last update prices for flights from Charleston Airport to San Sebastián Airport?

    Prices for flights from Charleston Airport to San Sebastián Airport were last updated today.

  • How old do you have to be to fly from Charleston Airport to San Sebastián Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Charleston Airport to San Sebastián Airport.

  • What documentation or ID do you need to fly to San Sebastián Airport?

    The travel and health documents you'll need for your trip to San Sebastián Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Sebastián Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Charleston to San Sebastian

  • How do I get Price Alerts for flights from Charleston to San Sebastian?

    Confirm your travel details to search for the latest offers for flights from Charleston to San Sebastian. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Charleston to San Sebastian with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near San Sebastian?

Book flights to San Sebastian if you plan to visit one of these locations
Irun
Hondarribia

Why use momondo?

Why should I use momondo to find a flight deal from Charleston to San Sebastian?

Finding the right flight to San Sebastian from Charleston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Sebastian quick and easy, saving you time and money.

Can I find flights from Charleston to San Sebastian with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Sebastian from Charleston with this policy.

How can momondo help me find flights from Charleston to San Sebastian?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Charleston to San Sebastian.

I’m not ready to book a flight from Charleston to San Sebastian right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Sebastian, momondo offers a useful price alert feature which will track prices for flights to San Sebastian from Charleston and alert you when they change.

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