Cheap flights from the United Kingdom to San Sebastian from £45

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EAS
12 Feb — 19 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 13 January 2026.

Round-trip from

£77

One-way from

£45

Popular in

May

Cheapest in

January

Average price

£135

Good round-trip deal

£172 or less
9/4-16/4
  • 9/4-16/4
  • 2 total stops
  • 35h 35m total
  • United Kingdom to San Sebastian
7/4
  • 7/4
  • 1 total stop
  • 25h 00m total
  • United Kingdom to San Sebastian
Highest demand for flights based on searches. 18% potential increase in price (£46 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from United Kingdom to San Sebastián.

Find 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 13 January 2026.

Thu 9/405:40
LTN
-
EAS
1 stop25h 40m
Multiple Airlines
Thu 16/409:10
EAS
-
LTN
1 stop9h 55m
Multiple Airlines
Deal found 12/1£77
Wed 25/206:50
LTN
-
EAS
1 stop5h 40m
Multiple Airlines
Wed 4/314:05
EAS
-
LTN
1 stop9h 20m
Multiple Airlines
Deal found 12/1£78
Mon 23/219:30
LGW
-
EAS
1 stop17h 00m
Vueling
Sat 28/214:05
EAS
-
LGW
1 stop5h 40m
Vueling
Deal found 12/1£80
Tue 24/217:20
LGW
-
EAS
1 stop19h 10m
Vueling
Sat 28/214:05
EAS
-
LGW
1 stop5h 40m
Vueling
Deal found 11/1£88
Tue 24/217:20
LGW
-
EAS
1 stop19h 10m
Vueling
Thu 26/214:05
EAS
-
LGW
1 stop7h 05m
Vueling
Deal found 11/1£93
Tue 24/221:20
STN
-
EAS
1 stop15h 10m
Multiple Airlines
Sat 28/214:05
EAS
-
STN
1 stop7h 30m
Multiple Airlines
Deal found 11/1£95
Wed 25/205:55
STN
-
EAS
1 stop6h 05m
Multiple Airlines
Wed 4/314:05
EAS
-
STN
1 stop7h 25m
Multiple Airlines
Deal found 11/1£97
Tue 24/206:50
LTN
-
EAS
1 stop5h 40m
Multiple Airlines
Thu 26/214:05
EAS
-
LTN
1 stop9h 15m
Multiple Airlines
Deal found 11/1£97
Thu 9/418:40
LGW
-
EAS
1 stop12h 40m
Vueling
Thu 16/409:10
EAS
-
LGW
1 stop12h 50m
Vueling
Deal found 12/1£97
Wed 15/418:05
LGW
-
EAS
1 stop13h 30m
Vueling
Tue 21/417:55
EAS
-
LGW
1 stop5h 55m
Vueling
Deal found 11/1£99
Thu 9/421:55
STN
-
EAS
1 stop9h 25m
Multiple Airlines
Thu 16/409:10
EAS
-
STN
2 stops15h 25m
Multiple Airlines
Deal found 12/1£100
Sun 27/912:45
LTN
-
EAS
1 stop18h 35m
Multiple Airlines
Wed 30/921:30
EAS
-
LTN
1 stop17h 15m
Multiple Airlines
Deal found 12/1£101

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 13 January 2026.
Use the filters below to find and compare flights from the United Kingdom to San Sebastian that are best for you.

Fly from

United Kingdom

Fly to

San Sebastian

Route

Depart

Return

Price

LondonSan Sebastian

LTN - EAS

LTNEAS

London Luton

Wed 25/2

06:50-13:30

1 stop5h 40m

San Sebastián

Wed 4/3

14:05-22:25

1 stop9h 20m

£78

LondonSan Sebastian

LGW - EAS

LGWEAS

London Gatwick

Mon 23/2

19:30-13:30

1 stop17h 00m

San Sebastián

Sat 28/2

14:05-18:45

1 stop5h 40m

£80

LondonSan Sebastian

LGW - EAS

LGWEAS

London Gatwick

Tue 24/2

17:20-13:30

1 stop19h 10m

San Sebastián

Sat 28/2

14:05-18:45

1 stop5h 40m

£88

LondonSan Sebastian

LGW - EAS

LGWEAS

London Gatwick

Tue 24/2

17:20-13:30

1 stop19h 10m

San Sebastián

Thu 26/2

14:05-20:10

1 stop7h 05m

£93

LondonSan Sebastian

STN - EAS

STNEAS

London Stansted

Tue 24/2

21:20-13:30

1 stop15h 10m

San Sebastián

Sat 28/2

14:05-20:35

1 stop7h 30m

£95

LondonSan Sebastian

STN - EAS

STNEAS

London Stansted

Thu 9/4

21:55-08:20

1 stop9h 25m

San Sebastián

Thu 16/4

09:10-17:10

1 stop9h 00m

£97

LondonSan Sebastian

STN - EAS

STNEAS

London Stansted

Wed 25/2

14:15-20:50

1 stop5h 35m

San Sebastián

Wed 4/3

14:05-20:30

1 stop7h 25m

£99

LondonSan Sebastian

STN - EAS

STNEAS

London Stansted

Mon 23/2

21:20-13:30

1 stop15h 10m

San Sebastián

Sat 28/2

14:05-07:15

1 stop18h 10m

£106

BristolSan Sebastian

BRS - EAS

BRSEAS

Bristol

Tue 10/2

07:15-13:30

1 stop5h 15m

San Sebastián

Tue 17/2

09:20-14:00

1 stop5h 40m

£109

LondonSan Sebastian

LGW - EAS

LGWEAS

London Gatwick

Wed 15/4

17:25-08:35

1 stop14h 10m

San Sebastián

Mon 20/4

17:55-21:55

1 stop5h 00m

£110

Flights are sorted by cheapest return flights first.

Deals found on 12/1

Showing 1-10 of 60 results
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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, July is the cheapest month in which you can book a flight from United Kingdom to San Sebastian (average of £30). Flying from United Kingdom to San Sebastian in August is currently the most expensive (average of £61). 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.

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 13 January 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.

Comfort

6.8

Crew

7.7

Boarding

7.2

Overall

7.1

Entertainment

5.9

Food

6.2

Reviews

1 / 20
4.0
Okay

Nadia,May 2024

FCO - BCN

The overhead compartment from my seat broke, and my bag got sent 10 seats over. It was an inconvenience

Comfort

6.8

Crew

7.7

Boarding

7.2

Overall

7.1

Entertainment

5.9

Food

6.2

Reviews

1 / 20
4.0
Okay

Nadia,May 2024

FCO - BCN

The overhead compartment from my seat broke, and my bag got sent 10 seats over. It was an inconvenience

Comfort

6.8

Crew

7.7

Boarding

7.2

Overall

7.1

Entertainment

5.9

Food

6.2

Reviews

1 / 20
4.0
Okay

Nadia,May 2024

FCO - BCN

The overhead compartment from my seat broke, and my bag got sent 10 seats over. It was an inconvenience

Comfort

6.8

Crew

7.7

Boarding

7.2

Overall

7.1

Entertainment

5.9

Food

6.2

Reviews

1 / 20
4.0
Okay

Nadia,May 2024

FCO - BCN

The overhead compartment from my seat broke, and my bag got sent 10 seats over. It was an inconvenience

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 12h. United Kingdom and San Sebastian are separated by a distance of 569 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?

  • 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, July is the cheapest month in which you can book a flight from United Kingdom to San Sebastian (average of £30). Flying from United Kingdom to San Sebastian in August is currently the most expensive (average of £61). 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

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Top 3 airlines flying from United Kingdom to San Sebastian

Discover the top 3 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 13 January 2026.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest£107Average£275FlexibilityNo cancel feeOn-time88%
Search Vueling flights
IberiaCheapest£193Average£320FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£214Average£313FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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