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Cheap flights from London 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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — EAS
24 May — 31 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to San Sebastian

Enter your travel dates to find the best prices.

Cheapest flights from London to San Sebastian
Explore the most affordable flight options available from London to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 April 2026.

Tue 16/617:45
STN
-
EAS
1 stop14h 55m
Multiple Airlines
Tue 23/617:55
EAS
-
STN
1 stop14h 25m
Multiple Airlines
Deal found 21/4£91
Wed 3/617:10
LTN
-
EAS
1 stop16h 25m
Multiple Airlines
Wed 10/617:55
EAS
-
LTN
2 stops27h 50m
Multiple Airlines
Deal found 19/4£93
Wed 3/618:20
STN
-
EAS
2 stops13h 15m
Multiple Airlines
Wed 10/617:55
EAS
-
STN
2 stops26h 10m
Multiple Airlines
Deal found 19/4£96
Sat 13/618:15
LTN
-
EAS
1 stop13h 05m
Multiple Airlines
Wed 17/610:10
EAS
-
LTN
1 stop8h 30m
Multiple Airlines
Deal found 20/4£96
Tue 16/618:40
LTN
-
EAS
1 stop14h 00m
Multiple Airlines
Tue 23/617:55
EAS
-
LTN
2 stops21h 40m
Multiple Airlines
Deal found 21/4£100
Sat 6/618:15
LTN
-
EAS
1 stop13h 05m
Multiple Airlines
Wed 10/617:55
EAS
-
LTN
2 stops27h 50m
Multiple Airlines
Deal found 19/4£102
Sat 6/618:00
STN
-
EAS
2 stops13h 20m
Multiple Airlines
Wed 10/617:55
EAS
-
STN
2 stops26h 10m
Multiple Airlines
Deal found 19/4£105
Mon 4/521:05
LGW
-
EAS
1 stop10h 15m
Vueling
Tue 26/517:55
EAS
-
LGW
1 stop14h 05m
Vueling
Deal found 21/4£108
Mon 11/521:05
LGW
-
EAS
1 stop10h 15m
Vueling
Mon 18/518:00
EAS
-
LGW
1 stop14h 00m
Vueling
Deal found 19/4£108
Wed 3/615:25
LGW
-
EAS
2 stops16h 10m
Vueling
Wed 10/617:55
EAS
-
LGW
1 stop14h 20m
Vueling
Deal found 19/4£118
Tue 16/622:00
LGW
-
EAS
1 stop10h 40m
Multiple Airlines
Tue 23/617:55
EAS
-
LGW
1 stop15h 35m
Multiple Airlines
Deal found 21/4£120
Tue 19/516:50
LGW
-
EAS
1 stop14h 30m
Vueling
Tue 26/517:55
EAS
-
LGW
1 stop14h 05m
Vueling
Deal found 19/4£122

Find flight deals from London to San Sebastian

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to San Sebastian (EAS). 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 24 April 2026.

Round-trip from

£91

One-way from

£45

Popular in

December

Cheapest in

April

Average price

£220

Good round-trip deal

£328 or less
16/6-23/6
  • 16/6-23/6
  • 2 total stops
  • 29h 20m total
  • London to San Sebastian
Search Deals
26/5
  • 26/5
  • 1 total stop
  • 14h 00m total
  • London to San Sebastian
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£83 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease (£34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to San Sebastián.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 24 April 2026.
Use the filters below to find and compare flights from London to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Sebastian

LTN - EAS

LTNEAS

London Luton

Tue 16/6

18:40-09:40

1 stop14h 00m

San Sebastián

Tue 23/6

17:55-14:35

2 stops21h 40m

£100

LondonSan Sebastian

STN - EAS

STNEAS

London Stansted

Tue 16/6

08:15-09:40

2 stops24h 25m

San Sebastián

Tue 23/6

17:55-16:40

2 stops23h 45m

£110

LondonSan Sebastian

STN - EAS

STNEAS

London Stansted

Mon 11/5

20:50-08:20

1 stop10h 30m

San Sebastián

Thu 14/5

18:00-07:10

1 stop14h 10m

£116

LondonSan Sebastian

LTN - EAS

LTNEAS

London Luton

Tue 2/6

18:40-09:40

1 stop14h 00m

San Sebastián

Fri 5/6

08:55-18:05

1 stop10h 10m

£118

LondonSan Sebastian

LTN - EAS

LTNEAS

London Luton

Sat 20/6

18:15-08:20

1 stop13h 05m

San Sebastián

Sat 27/6

10:50-00:25

1 stop14h 35m

£122

LondonSan Sebastian

STN - EAS

STNEAS

London Stansted

Fri 29/5

20:40-09:45

1 stop12h 05m

San Sebastián

Tue 2/6

17:55-07:20

1 stop14h 25m

£128

LondonSan Sebastian

LTN - EAS

LTNEAS

London Luton

Thu 28/5

17:30-08:20

1 stop13h 50m

San Sebastián

Wed 3/6

10:10-21:15

1 stop12h 05m

£128

LondonSan Sebastian

STN - EAS

STNEAS

London Stansted

Tue 2/6

17:45-09:40

1 stop14h 55m

San Sebastián

Fri 5/6

08:55-23:45

2 stops15h 50m

£130

LondonSan Sebastian

LTN - EAS

LTNEAS

London Luton

Fri 8/5

18:00-08:20

2 stops13h 20m

San Sebastián

Sat 23/5

17:55-23:50

1 stop6h 55m

£130

LondonSan Sebastian

LTN - EAS

LTNEAS

London Luton

Tue 2/6

18:40-09:40

1 stop14h 00m

San Sebastián

Sat 6/6

17:55-15:15

2 stops22h 20m

£130

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from London to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian from London 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 London to San Sebastian

How far ahead should I book a flight from London to San Sebastian?

The best time to book flights from London to San Sebastian is 36 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from London to San Sebastian (average of £47). Flying from London to San Sebastian in December is currently the most expensive (average of £345). 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 LON to EAS?

Find hourly flight availability from London 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 24 April 2026.

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

How much does it cost for a return flight from London to San Sebastian?

What’s the top stopover airport for flights from London to San Sebastian?

Share of one-stop return flights from London to San Sebastian chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Barcelona (BCN) – chosen by Cheapflights users on 63% of one-stop itineraries from London to San Sebastian on Cheapflights.

What’s the cheapest stopover airport for flights from London to San Sebastian?

Average return fare for one-stop flights from London to San Sebastian, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Barcelona (BCN) is the most affordable one-stop option, with an average return flight price of £193.

What’s the fastest stopover option from London to San Sebastian?

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

Flights via Edinburgh (EDI) have the shortest average one-way travel time for one-stop routes: 5h 20m.

Which airport typically offers the quickest stopover for flights from London to San Sebastian?

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

Flights via Edinburgh (EDI) offer the fastest connection on this route, with an average stopover time of 1h 30m.

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 24 April 2026.
Read reviews from past customers who have flown with Vueling,Iberia, andBritish Airways from London 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
1,265 reviews
Check prices

Boarding

7.2

Comfort

6.9

Entertainment

5.9

Overall

7.2

Crew

7.7

Food

6.2

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
1,265 reviews
Vueling
7.2
Good
1,265 reviews
Check prices

Boarding

7.2

Comfort

6.9

Entertainment

5.9

Overall

7.2

Crew

7.7

Food

6.2

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
3,195 reviews
Vueling
7.2
Good
1,265 reviews
Check prices

Boarding

7.2

Comfort

6.9

Entertainment

5.9

Overall

7.2

Crew

7.7

Food

6.2

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
7,910 reviews
Vueling
7.2
Good
1,265 reviews
Check prices

Boarding

7.2

Comfort

6.9

Entertainment

5.9

Overall

7.2

Crew

7.7

Food

6.2

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 London 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 London?

    San Sebastián (EAS) is the airport you will fly into if you book a flight from London to San Sebastian. You should not have trouble finding flights to San Sebastián from London; the airport handles an average of 0 inbound flights from London per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the San Sebastian airport from London. It is only a 9.7 mi journey from San Sebastián (EAS) to San Sebastian’s city center.

  • How long is the flight from London to San Sebastian?

    There are many flights that can get you from London to San Sebastian in 10h 15m. Fly via Iberia to get the fastest option. The distance from London to San Sebastian is about 569 mi.

  • What are the cheapest airlines flying from London to San Sebastian round-trip?

    Flying on British Airways is currently your cheapest option to San Sebastian, with prices starting at £200. Another option worth looking into is Iberia, starting at £211 return. British Airways is currently priced 37% below the average price you’ll pay for this route.

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 London to San Sebastian?

    Currently, May is the cheapest month in which you can book a flight from London to San Sebastian (average of £47). Flying from London to San Sebastian in December is currently the most expensive (average of £345). 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

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Top 2 airlines flying from London to San Sebastian

Discover the top 2 airlines that operate flights from London 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 24 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£200Average£421FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£211Average£326FlexibilityNo cancel feeOn-time77%
Search Iberia 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 London to San Sebastian?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Sebastian from London today with Cheapflights!

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Sebastian from London.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to San Sebastian, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Sebastian from London today and book when prices fit your budget.

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