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Cheap flights from London 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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — EAS
11 Apr — 18 Apr1
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 12 March 2026.

Mon 13/420:50
STN
-
EAS
1 stop10h 30m
Multiple Airlines
Wed 22/408:55
EAS
-
STN
1 stop10h 00m
Multiple Airlines
Deal found 10/3£80
Tue 14/405:40
LTN
-
EAS
1 stop25h 40m
Multiple Airlines
Tue 21/408:55
EAS
-
LTN
1 stop10h 10m
Multiple Airlines
Deal found 9/3£86
Tue 14/416:50
LGW
-
EAS
1 stop14h 30m
Vueling
Wed 22/408:55
EAS
-
LGW
1 stop14h 55m
Vueling
Deal found 10/3£87
Mon 13/418:05
LTN
-
EAS
1 stop13h 15m
Multiple Airlines
Wed 22/408:55
EAS
-
LTN
1 stop10h 10m
Multiple Airlines
Deal found 10/3£88
Tue 14/416:50
LGW
-
EAS
1 stop14h 30m
Vueling
Tue 21/408:55
EAS
-
LGW
1 stop14h 55m
Vueling
Deal found 9/3£88
Mon 13/416:25
LGW
-
EAS
1 stop14h 55m
Vueling
Wed 22/408:55
EAS
-
LGW
1 stop14h 55m
Vueling
Deal found 10/3£92
Tue 14/415:15
LTN
-
EAS
2 stops16h 05m
Multiple Airlines
Wed 22/408:55
EAS
-
LTN
1 stop10h 10m
Multiple Airlines
Deal found 10/3£94
Wed 22/415:35
LTN
-
EAS
2 stops16h 00m
Multiple Airlines
Sat 25/408:55
EAS
-
LTN
1 stop5h 55m
Multiple Airlines
Deal found 9/3£96
Tue 14/417:20
STN
-
EAS
2 stops14h 00m
Multiple Airlines
Wed 22/408:55
EAS
-
STN
1 stop10h 00m
Multiple Airlines
Deal found 10/3£97
Wed 22/416:30
LGW
-
EAS
1 stop15h 05m
Vueling
Sat 25/417:55
EAS
-
LGW
1 stop15h 35m
Vueling
Deal found 9/3£98
Wed 22/412:55
STN
-
EAS
2 stops18h 40m
Multiple Airlines
Sat 25/417:55
EAS
-
STN
1 stop7h 25m
Multiple Airlines
Deal found 11/3£100
Mon 13/409:45
LGW
-
EAS
2 stops21h 35m
Multiple Airlines
Wed 22/408:55
EAS
-
LGW
1 stop14h 55m
Multiple Airlines
Deal found 10/3£100

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 12 March 2026.

Round-trip from

£80

One-way from

£40

Popular in

May

Cheapest in

April

Average price

£206

Good round-trip deal

£285 or less
13/4-22/4
  • 13/4-22/4
  • 2 total stops
  • 20h 30m total
  • London to San Sebastian
Search Deals
15/6
  • 15/6
  • 1 total stop
  • 13h 15m total
  • London to San Sebastian
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 12 March 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 26/5

18:40-09:40

1 stop14h 00m

San Sebastián

Wed 3/6

21:30-13:45

1 stop17h 15m

£106

LondonSan Sebastian

LTN - EAS

LTNEAS

London Luton

Wed 20/5

08:00-08:40

1 stop23h 40m

San Sebastián

Wed 3/6

21:30-13:45

1 stop17h 15m

£112

LondonSan Sebastian

LTN - EAS

LTNEAS

London Luton

Sat 25/4

18:15-08:20

1 stop13h 05m

San Sebastián

Sat 2/5

08:55-18:05

1 stop10h 10m

£116

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Sat 25/4

16:50-08:20

1 stop14h 30m

San Sebastián

Sat 2/5

08:55-21:45

1 stop13h 50m

£116

LondonSan Sebastian

LTN - EAS

LTNEAS

London Luton

Mon 15/6

18:05-08:20

1 stop13h 15m

San Sebastián

Thu 18/6

09:20-13:45

1 stop5h 25m

£125

LondonSan Sebastian

LTN - EAS

LTNEAS

London Luton

Fri 15/5

21:05-08:20

3 stops34h 15m

San Sebastián

Wed 20/5

08:55-14:50

1 stop6h 55m

£145

LondonSan Sebastian

STN - EAS

STNEAS

London Stansted

Sat 25/4

08:00-08:20

2 stops23h 20m

San Sebastián

Sat 2/5

17:55-07:35

2 stops14h 40m

£150

LondonSan Sebastian

SEN - EAS

SENEAS

London Southend

Fri 5/6

20:40-09:45

1 stop12h 05m

San Sebastián

Tue 9/6

17:55-07:55

1 stop15h 00m

£153

LondonSan Sebastian

LTN - EAS

LTNEAS

London Luton

Fri 24/4

18:10-08:20

2 stops13h 10m

San Sebastián

Fri 1/5

17:55-00:50

1 stop7h 55m

£154

LondonSan Sebastian

LTN - EAS

LTNEAS

London Luton

Fri 15/5

08:00-20:50

1 stop11h 50m

San Sebastián

Mon 18/5

21:30-13:45

1 stop17h 15m

£156

Flights are sorted by cheapest return flights first.

Deals found on 9/3

Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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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?

Use this chart to determine the optimal time to book a return flight from London to San Sebastian. Price data was last updated on 6 March 2026.

The best time to book flights from London to San Sebastian is 90 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, July is the cheapest month in which you can book a flight from London to San Sebastian (average of £30). Flying from London to San Sebastian in August is currently the most expensive (average of £101). 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’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 65% 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 £181.

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 12 March 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
1,250 reviews
Check prices

Comfort

6.8

Overall

7.2

Crew

7.7

Boarding

7.2

Entertainment

5.9

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
1,250 reviews
Vueling
7.2
Good
1,250 reviews
Check prices

Comfort

6.8

Overall

7.2

Crew

7.7

Boarding

7.2

Entertainment

5.9

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
3,133 reviews
Vueling
7.2
Good
1,250 reviews
Check prices

Comfort

6.8

Overall

7.2

Crew

7.7

Boarding

7.2

Entertainment

5.9

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
7,784 reviews
Vueling
7.2
Good
1,250 reviews
Check prices

Comfort

6.8

Overall

7.2

Crew

7.7

Boarding

7.2

Entertainment

5.9

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 3 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 5h 25m. Fly via Iberia or Vueling to get the fastest option. The distance from London to San Sebastian is about 544 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Flying on Vueling is currently your cheapest option to San Sebastian, with prices starting at £141. Additional return tickets that might be worth considering are offered by Iberia and British Airways, with the lowest prices starting at £200 and £217, respectively. Vueling is currently priced 49% 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 City - San Sebastián, London Heathrow - San Sebastián and London Gatwick - 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, July is the cheapest month in which you can book a flight from London to San Sebastian (average of £30). Flying from London to San Sebastian in August is currently the most expensive (average of £101). 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 3 airlines flying from London to San Sebastian

Discover the top 3 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 12 March 2026.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest£141Average£274FlexibilityNo cancel feeOn-time88%
Search Vueling flights
IberiaCheapest£200Average£327FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£217Average£396FlexibilityNo 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 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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