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Cheap flights from the United Kingdom to San Sebastian from £40

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EAS
8 Aug — 15 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to San Sebastian

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to San Sebastian
Explore the most affordable flight options available from United Kingdom to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 July 2026.

Tue 28/718:40
LTN
-
EAS
1 stop14h 00m
Multiple Airlines
Tue 4/817:55
EAS
-
LTN
1 stop18h 05m
Multiple Airlines
Deal found 5/7£85
Tue 28/718:45
STN
-
EAS
1 stop12h 35m
Multiple Airlines
Tue 4/817:55
EAS
-
STN
1 stop14h 25m
Multiple Airlines
Deal found 5/7£95
Mon 31/805:40
LTN
-
EAS
1 stop25h 40m
Multiple Airlines
Tue 8/917:55
EAS
-
LTN
1 stop18h 05m
Multiple Airlines
Deal found 6/7£96
Mon 3/821:05
LGW
-
EAS
1 stop10h 15m
Vueling
Wed 5/817:55
EAS
-
LGW
1 stop14h 20m
Vueling
Deal found 5/7£97
Sat 5/919:05
STN
-
EAS
1 stop12h 15m
Multiple Airlines
Wed 9/910:10
EAS
-
STN
1 stop14h 49m
Multiple Airlines
Deal found 3/7£98
Sun 27/912:40
LTN
-
EAS
1 stop18h 40m
Multiple Airlines
Wed 30/921:30
EAS
-
LTN
1 stop17h 25m
Multiple Airlines
Deal found 4/7£98
Tue 4/818:40
LTN
-
EAS
1 stop14h 00m
Multiple Airlines
Tue 11/808:55
EAS
-
LTN
1 stop6h 25m
Multiple Airlines
Deal found 6/7£100
Wed 5/809:10
LGW
-
EAS
1 stop7h 10m
Vueling
Tue 11/817:55
EAS
-
LGW
1 stop5h 55m
Vueling
Deal found 4/7£101
Sun 6/922:05
STN
-
EAS
1 stop9h 15m
Multiple Airlines
Wed 9/910:10
EAS
-
STN
1 stop14h 49m
Multiple Airlines
Deal found 8/7£102
Mon 3/820:50
STN
-
EAS
1 stop10h 30m
Multiple Airlines
Wed 5/808:55
EAS
-
STN
1 stop11h 05m
Multiple Airlines
Deal found 5/7£103
Tue 21/718:40
LTN
-
EAS
1 stop14h 00m
Multiple Airlines
Wed 29/710:10
EAS
-
LTN
1 stop8h 30m
Multiple Airlines
Deal found 5/7£103
Mon 17/820:50
STN
-
EAS
1 stop10h 30m
Multiple Airlines
Tue 25/817:55
EAS
-
STN
1 stop14h 25m
Multiple Airlines
Deal found 5/7£104

Find flight deals from United Kingdom to San Sebastian

Keep the following information in mind while searching for United Kingdom to San Sebastian flight deals. Data was last updated 9 July 2026.

Round-trip from

£85

One-way from

£40

Popular in

December

Cheapest in

January

Average price

£365
28/7-4/8
  • 28/7-4/8
  • 2 total stops
  • 32h 05m total
  • United Kingdom to San Sebastian
Search Deals
8/9
  • 8/9
  • 1 total stop
  • 14h 00m total
  • United Kingdom to San Sebastian
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£74 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease (£35 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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, Cheapflights users made 858,174 searches. Data last updated 9 July 2026.
Use the filters below to find and compare flights from the United Kingdom to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Sebastian

STN - EAS

STNEAS

London Stansted

Tue 28/7

18:45-08:20

1 stop12h 35m

San Sebastián

Tue 4/8

17:55-07:20

1 stop14h 25m

£95

LondonSan Sebastian

LGW - EAS

LGWEAS

London Gatwick

Mon 3/8

21:05-08:20

1 stop10h 15m

San Sebastián

Wed 5/8

17:55-07:15

1 stop14h 20m

£97

LondonSan Sebastian

STN - EAS

STNEAS

London Stansted

Sat 5/9

19:05-08:20

1 stop12h 15m

San Sebastián

Wed 9/9

10:10-23:59

1 stop14h 49m

£98
Fastest return journey

LondonSan Sebastian

LGW - EAS

LGWEAS

London Gatwick

Mon 31/8

21:05-08:20

1 stop10h 15m

San Sebastián

Thu 3/9

09:05-13:50

1 stop5h 45m

£109

LondonSan Sebastian

STN - EAS

STNEAS

London Stansted

Tue 8/9

18:45-08:20

1 stop12h 35m

San Sebastián

Tue 15/9

21:30-07:55

1 stop11h 25m

£116

LondonSan Sebastian

LTN - EAS

LTNEAS

London Luton

Tue 15/9

20:35-08:35

2 stops35h 00m

San Sebastián

Tue 22/9

09:20-14:05

1 stop5h 45m

£122

LondonSan Sebastian

LTN - EAS

LTNEAS

London Luton

Wed 5/8

05:40-17:20

1 stop10h 40m

San Sebastián

Tue 11/8

08:55-18:05

1 stop10h 10m

£123

LondonSan Sebastian

LGW - EAS

LGWEAS

London Gatwick

Thu 27/8

20:35-08:20

1 stop10h 45m

San Sebastián

Tue 1/9

17:55-20:15

2 stops27h 20m

£123

LondonSan Sebastian

STN - EAS

STNEAS

London Stansted

Sat 5/9

19:05-08:20

1 stop12h 15m

San Sebastián

Tue 15/9

17:55-07:35

2 stops14h 40m

£124

LondonSan Sebastian

STN - EAS

STNEAS

London Stansted

Thu 27/8

21:55-08:20

1 stop9h 25m

San Sebastián

Tue 1/9

17:55-19:35

2 stops26h 40m

£124

Flights are sorted by cheapest return flights first.

Deals found on 5/7

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from United Kingdom to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian from United Kingdom with our price prediction graph.
Estimated return 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 the United Kingdom to San Sebastian

What is the cheapest month to book a flight from United Kingdom to San Sebastian?

Currently, May is the cheapest month in which you can book a flight from United Kingdom to San Sebastian (average of £48). Flying from United Kingdom to San Sebastian in December is currently the most expensive (average of £825). 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 GB to EAS?

Find hourly flight availability from United Kingdom to San Sebastian. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 July 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to San Sebastian as you normally would.

Reviews of airlines servicing San Sebastian

Get insights into the airlines that provide service to San Sebastian. 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 Sebastian. Reviews last updated 9 July 2026.
Read reviews from past customers who have flown with Vueling,Iberia, andBritish Airways from the United Kingdom to San Sebastian. 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.
Vueling
7.2
Good
1,286 reviews
Check prices

Comfort

6.9

Crew

7.7

Boarding

7.2

Food

6.2

Overall

7.2

Entertainment

5.9

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation
Vueling
7.2
Good
1,286 reviews
Vueling
7.2
Good
1,286 reviews
Check prices

Comfort

6.9

Crew

7.7

Boarding

7.2

Food

6.2

Overall

7.2

Entertainment

5.9

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation
Iberia
7.0
Good
3,252 reviews
Vueling
7.2
Good
1,286 reviews
Check prices

Comfort

6.9

Crew

7.7

Boarding

7.2

Food

6.2

Overall

7.2

Entertainment

5.9

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation
British Airways
6.7
Okay
8,105 reviews
Vueling
7.2
Good
1,286 reviews
Check prices

Comfort

6.9

Crew

7.7

Boarding

7.2

Food

6.2

Overall

7.2

Entertainment

5.9

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to San Sebastian. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Sebastian from United Kingdom?

    San Sebastián (EAS), located 9.7 mi from the city center, is the airport you fly into when you book flights from United Kingdom to San Sebastian.

  • How long is the flight from United Kingdom to San Sebastian?

    Departing from United Kingdom to San Sebastian will take you 10h 15m. United Kingdom and San Sebastian are separated by a distance of 544 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from United Kingdom to San Sebastian?

    The most popular flight routes from United Kingdom to San Sebastian are London Heathrow - San Sebastián, London Gatwick - San Sebastián and London City - San Sebastián.

  • Can I find deals for flights from United Kingdom to San Sebastian that include hotel bookings?

    Yes. In addition to deals on United Kingdom to San Sebastian flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to San Sebastian?

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

  • Can I find deals for business class flights from United Kingdom to San Sebastian?

    Yes. Cheapflights offers flight deals from United Kingdom to San Sebastian 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 United Kingdom to San Sebastian?

    Currently, May is the cheapest month in which you can book a flight from United Kingdom to San Sebastian (average of £48). Flying from United Kingdom to San Sebastian in December is currently the most expensive (average of £825). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from United Kingdom to San Sebastian

Discover the top 2 airlines that operate flights from United Kingdom to San Sebastian. 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 858,174 searches. Data last updated 9 July 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£200Average£328FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£215Average£356FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to San Sebastian?

Deals for United Kingdom to San Sebastian flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to San Sebastian?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to San Sebastian.

Can Cheapflights find flights from United Kingdom to San Sebastian with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from United Kingdom to San Sebastian flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from United Kingdom to San Sebastian become cheaper?

Of course! You can now track prices for flights from United Kingdom to San Sebastian and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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