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Cheap flights from San Diego to San Sebastian from $727

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to San Sebastian departing on 8/19. 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
1 adult, Economy, 0 bags

Find the cheapest flights from San Diego to San Sebastian

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
9:23 am - 1:00 pmSAN  San Diego-EAS San Sebastián
18h 37m2 stops Philadelphia Madrid Barajas
British Airways Logo
9:30 pm - 8:15 pmEAS  San Sebastián-SAN San Diego
31h 45m2 stops Madrid Barajas Dallas/Fort Worth
$1,070British Airways
Mon, Dec 7 - Thu, Dec 10
British Airways Logo
9:50 am - 8:50 pmSAN  San Diego-EAS San Sebastián
26h 00m2 stops Dallas/Fort Worth Madrid Barajas
British Airways Logo
9:30 pm - 9:14 amEAS  San Sebastián-SAN San Diego
44h 44m2 stops Madrid Barajas Chicago O'Hare Intl
$1,078British Airways
Mon, Sep 14 - Sat, Sep 26
Iberia Logo
7:40 pm - 8:20 amSAN  San Diego-EAS San Sebastián
27h 40m2 stops London Heathrow Barcelona-El Prat
Iberia Logo
9:30 pm - 11:25 pmEAS  San Sebastián-SAN San Diego
34h 55m2 stops Madrid Barajas Chicago O'Hare Intl
$1,121Iberia
Fri, Sep 25 - Sat, Oct 3
Iberia Logo
6:15 am - 1:00 pmSAN  San Diego-EAS San Sebastián
21h 45m2 stops Chicago O'Hare Intl Madrid Barajas
Iberia Logo
9:30 pm - 6:54 pmEAS  San Sebastián-SAN San Diego
30h 24m2 stops Madrid Barajas Dallas/Fort Worth
$1,188Iberia
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
6:15 am - 1:00 pmSAN  San Diego-EAS San Sebastián
21h 45m2 stops Chicago O'Hare Intl Madrid Barajas
Multiple Airlines Logo
9:30 pm - 6:54 pmEAS  San Sebastián-SAN San Diego
30h 24m2 stops Madrid Barajas Dallas/Fort Worth
$1,382Multiple Airlines
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
5:15 pm - 8:20 amSAN  San Diego-EAS San Sebastián
30h 05m3 stops Munich Franz Josef Strauss Milan Malpensa Barcelona-El Prat
Multiple Airlines Logo
5:55 pm - 8:36 pmEAS  San Sebastián-SAN San Diego
35h 41m3 stops Barcelona-El Prat Porto Montreal Pierre Elliott Trudeau Intl
$1,940Multiple Airlines
Mon, Sep 14 - Sat, Sep 26
Multiple Airlines Logo
7:00 am - 5:20 pmSAN  San Diego-EAS San Sebastián
25h 20m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
Multiple Airlines Logo
5:55 pm - 8:36 pmEAS  San Sebastián-SAN San Diego
35h 41m3 stops Barcelona-El Prat Porto Montreal Pierre Elliott Trudeau Intl
$1,955Multiple Airlines
Mon, Sep 14 - Sat, Sep 26
Multiple Airlines Logo
7:00 am - 5:20 pmSAN  San Diego-EAS San Sebastián
25h 20m3 stops Montreal Pierre Elliott Trudeau Intl Rome Fiumicino Barcelona-El Prat
Multiple Airlines Logo
5:55 pm - 8:36 pmEAS  San Sebastián-SAN San Diego
35h 41m3 stops Barcelona-El Prat Zurich Montreal Pierre Elliott Trudeau Intl
$2,531Multiple Airlines
Fri, Sep 25 - Sat, Oct 3
Iberia Logo
10:35 pm - 8:40 amSAN  San Diego-EAS San Sebastián
25h 05m2 stops Miami Madrid Barajas
Iberia Logo
9:30 pm - 7:32 pmEAS  San Sebastián-SAN San Diego
31h 02m2 stops Madrid Barajas Chicago O'Hare Intl
$5,738Iberia
Sat, Nov 21 - Sat, Nov 28

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Iberia flights from San Diego to San Sebastian

Our best Iberia deals on San Diego to San Sebastian flight tickets
Iberia
Sep 25
SAN7:40 pmSan Diego
27h 40m
2 stops
EAS8:20 amSan Sebastián
Oct 3
EAS9:30 pmSan Sebastián
34h 55m
2 stops
SAN11:25 pmSan Diego
$1,121
Iberia
Aug 26
SAN6:15 amSan Diego
21h 45m
2 stops
EAS1:00 pmSan Sebastián
Sep 1
EAS9:30 pmSan Sebastián
30h 24m
2 stops
SAN6:54 pmSan Diego
$1,188
Iberia
Nov 21
SAN10:35 pmSan Diego
25h 05m
2 stops
EAS8:40 amSan Sebastián
Nov 28
EAS9:30 pmSan Sebastián
31h 02m
2 stops
SAN7:32 pmSan Diego
$5,738

British Airways flights from San Diego to San Sebastian

Our best British Airways deals on San Diego to San Sebastian flight tickets
British Airways
Dec 7
SAN9:23 amSan Diego
18h 37m
2 stops
EAS1:00 pmSan Sebastián
Dec 10
EAS9:30 pmSan Sebastián
31h 45m
2 stops
SAN8:15 pmSan Diego
$1,070
British Airways
Sep 14
SAN9:50 amSan Diego
26h 00m
2 stops
EAS8:50 pmSan Sebastián
Sep 26
EAS9:30 pmSan Sebastián
44h 44m
2 stops
SAN9:14 amSan Diego
$1,078

momondo Fare Finder

 
Customize your flight search to find flights from San Diego 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 August 8, 2026.
Use the filters below to find and compare flights from San Diego to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San DiegoSan Sebastian

SAN San Diego - EAS San Sebastián

SANEAS

San Diego

Mon 12/7

9:23 am-1:00 pm

2 stops18h 37m

San Sebastián

Thu 12/10

9:30 pm-8:15 pm

2 stops31h 45m

$1,070

San DiegoSan Sebastian

SAN San Diego - EAS San Sebastián

SANEAS

San Diego

Mon 9/14

9:50 am-8:50 pm

2 stops26h 00m

San Sebastián

Sat 9/26

9:30 pm-9:14 am

2 stops44h 44m

$1,078

San DiegoSan Sebastian

SAN San Diego - EAS San Sebastián

SANEAS

San Diego

Fri 9/25

7:40 pm-8:20 am

2 stops27h 40m

San Sebastián

Sat 10/3

9:30 pm-11:25 pm

2 stops34h 55m

$1,121

San DiegoSan Sebastian

SAN San Diego - EAS San Sebastián

SANEAS

San Diego

Wed 8/26

6:15 am-1:00 pm

2 stops21h 45m

San Sebastián

Tue 9/1

9:30 pm-6:54 pm

2 stops30h 24m

$1,188

San DiegoSan Sebastian

SAN San Diego - EAS San Sebastián

SANEAS

San Diego

Wed 8/26

6:15 am-1:00 pm

2 stops21h 45m

San Sebastián

Tue 9/1

9:30 pm-6:54 pm

2 stops30h 24m

$1,382

San DiegoSan Sebastian

SAN San Diego - EAS San Sebastián

SANEAS

San Diego

Mon 9/14

5:15 pm-8:20 am

3 stops30h 05m

San Sebastián

Sat 9/26

5:55 pm-8:36 pm

3 stops35h 41m

$1,940

San DiegoSan Sebastian

SAN San Diego - EAS San Sebastián

SANEAS

San Diego

Mon 9/14

7:00 am-5:20 pm

2 stops25h 20m

San Sebastián

Sat 9/26

5:55 pm-8:36 pm

3 stops35h 41m

$1,955

San DiegoSan Sebastian

SAN San Diego - EAS San Sebastián

SANEAS

San Diego

Fri 9/25

7:00 am-5:20 pm

3 stops25h 20m

San Sebastián

Sat 10/3

5:55 pm-8:36 pm

3 stops35h 41m

$2,531

San DiegoSan Sebastian

SAN San Diego - EAS San Sebastián

SANEAS

San Diego

Sat 11/21

10:35 pm-8:40 am

2 stops25h 05m

San Sebastián

Sat 11/28

9:30 pm-7:32 pm

2 stops31h 02m

$5,738
Cheapest one-way

San DiegoSan Sebastian

SAN San Diego - EAS San Sebastián

SANEAS

San Diego

Wed 8/19

7:40 pm-11:00 am

2 stops54h 20m

$727

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Diego to San Sebastian

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from San Diego to San Sebastián?

British Airways and American Airlines are the most popular carriers operating from San Diego to San Sebastián

When to book flights from San Diego to San Sebastian

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

Cheap San Diego to San Sebastian (SAN to EAS) flight deals and tips

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

Fastest flight time

18h 37m

Direct flights

None
The fastest flight from San Diego to San Sebastian takes 18h 37m
There are no direct flights from San Diego to San Sebastian. There are no popular flight routes from San Diego to San Sebastian.
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Frequently asked questions about flying from San Diego to San Sebastian

  • How far is San Diego to San Sebastián by plane?

    The distance between San Diego and San Sebastián is about 5777.0 mi. By plane, this route typically takes 18h 37m.

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

    Prices for flights from San Diego Airport to San Sebastián Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to San Sebastián Airport.

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

    The necessary travel and health documents for your San Sebastián Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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 San Diego to San Sebastian?

It is quick and easy to find San Diego to San Sebastian flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Sebastian that suits you.

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

All flight searches from San Diego to San Sebastian on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego 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 San Diego to San Sebastian.

I’m not ready to book a flight from San Diego 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 San Diego and alert you when they change.

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