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Cheap flights from London to Barcelona from £25

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BCN
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from London to Barcelona are usually found in January or March, booked 60 days in advance, depart on a Tuesday or Monday and return on a Saturday

Cheap flight deals from London to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Barcelona (S37). 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 13 June 2025.

Round-trip from

£54

One-way from

£25

Popular in

May

Cheapest in

January

Average price

£144
Ryanair
  • Ryanair
  • 10/7-19/7
  • Nonstop
  • 4h 35m total
  • London to Barcelona
Ryanair
  • Ryanair
  • 20/9
  • Nonstop
  • 2h 05m total
  • London to Barcelona
Highest demand for flights based on searches. 25% potential increase in price (£25 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in June 2025

Find flight deals from London to Barcelona

Cheapest flights from London to Barcelona
Explore the most affordable flight options available from London to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Sat 21/617:40STN - REU
Nonstop2h 15mMultiple Airlines
Thu 26/616:20REU - STN
Nonstop2h 20mMultiple Airlines
Deal found 10/6£54
Thu 10/707:20STN - REU
Nonstop2h 15mRyanair
Thu 17/711:00REU - STN
Nonstop2h 20mRyanair
Deal found 12/6£55
Mon 23/620:00STN - GRO
Nonstop2h 05mMultiple Airlines
Thu 26/622:00GRO - STN
Nonstop2h 20mMultiple Airlines
Deal found 12/6£56
Wed 9/707:40STN - GRO
Nonstop2h 05mRyanair
Fri 18/721:15GRO - STN
Nonstop2h 20mRyanair
Deal found 12/6£58
Sat 12/720:55LGW - BCN
Nonstop2h 10mVueling
Tue 15/707:00BCN - LGW
Nonstop2h 30mVueling
Deal found 11/6£58
Wed 9/722:10STN - BCN
Nonstop2h 10mRyanair
Sat 19/713:35BCN - STN
Nonstop2h 25mRyanair
Deal found 11/6£58
Tue 19/818:10LTN - BCN
Nonstop2h 10mRyanair
Wed 20/822:10BCN - LTN
Nonstop2h 25mRyanair
Deal found 12/6£58
Tue 7/1007:00LTN - BCN
Nonstop2h 15measyJet
Fri 10/1021:40BCN - LTN
Nonstop2h 20measyJet
Deal found 12/6£59
Sat 12/706:15LTN - REU
Nonstop2h 05measyJet
Sat 19/710:00REU - LTN
Nonstop2h 10measyJet
Deal found 10/6£61
Mon 23/608:30LTN - REU
Nonstop2h 15mMultiple Airlines
Tue 24/617:20REU - LTN
Nonstop2h 10mMultiple Airlines
Deal found 10/6£62
Mon 30/621:05LGW - BCN
Nonstop2h 10mMultiple Airlines
Thu 3/711:15BCN - LGW
Nonstop2h 25mMultiple Airlines
Deal found 12/6£63
Wed 10/1209:55LHR - BCN
Nonstop2h 10mMultiple Airlines
Wed 24/1220:35BCN - LHR
Nonstop2h 25mMultiple Airlines
Deal found 11/6£63

Cheapflights Fare Finder

Customise your flight search to find flights from London to Barcelona 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 June 2025.
Use the filters below to find and compare flights from London to Barcelona that are best for you.

Fly from

London

Fly to

Barcelona

Route

Depart

Return

Price

LondonReus

STN - REU

STNREU

London Stansted

Thu 10/7

07:20-10:35

Nonstop2h 15m

Reus

Sat 19/7

21:20-22:40

Nonstop2h 20m

£54

LondonGirona

STN - GRO

STNGRO

London Stansted

Mon 23/6

20:00-23:05

Nonstop2h 05m

Girona Costa Brava

Thu 26/6

22:00-23:20

Nonstop2h 20m

£56

LondonBarcelona

LGW - BCN

LGWBCN

London Gatwick

Sat 12/7

20:55-00:05

Nonstop2h 10m

Barcelona-El Prat

Tue 15/7

07:00-08:30

Nonstop2h 30m

£58

LondonGirona

STN - GRO

STNGRO

London Stansted

Wed 9/7

07:40-10:45

Nonstop2h 05m

Girona Costa Brava

Fri 18/7

21:15-22:35

Nonstop2h 20m

£58

LondonBarcelona

STN - BCN

STNBCN

London Stansted

Wed 9/7

22:10-01:20

Nonstop2h 10m

Barcelona-El Prat

Sat 19/7

13:35-15:00

Nonstop2h 25m

£58

LondonBarcelona

LTN - BCN

LTNBCN

London Luton

Tue 19/8

18:10-21:20

Nonstop2h 10m

Barcelona-El Prat

Wed 20/8

22:10-23:35

Nonstop2h 25m

£58

LondonBarcelona

LTN - BCN

LTNBCN

London Luton

Tue 7/10

07:00-10:15

Nonstop2h 15m

Barcelona-El Prat

Fri 10/10

21:40-23:00

Nonstop2h 20m

£59

LondonReus

LTN - REU

LTNREU

London Luton

Sat 12/7

06:15-09:20

Nonstop2h 05m

Reus

Sat 19/7

10:00-11:10

Nonstop2h 10m

£61

LondonReus

LTN - REU

LTNREU

London Luton

Mon 23/6

08:30-11:45

Nonstop2h 15m

Reus

Tue 24/6

17:20-18:30

Nonstop2h 10m

£62

LondonBarcelona

LGW - BCN

LGWBCN

London Gatwick

Mon 30/6

21:05-00:15

Nonstop2h 10m

Barcelona-El Prat

Thu 3/7

11:15-12:40

Nonstop2h 25m

£63

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 60 results
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Best time to book a flight from London to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona 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 Barcelona

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

Use this chart to determine the optimal time to book a return flight from London to Barcelona. Price data was last updated on 9 June 2025.

The price you pay for your flight from London to Barcelona may vary depending on when you book. For the best chance of a lower fare, look to book 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from London to Barcelona (average of £52). Flying from London to Barcelona in August is currently the most expensive (average of £196). 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 BCN?

Find hourly flight availability from London to Barcelona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

When flying from London to Barcelona, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 15% versus a flight in the morning.

What is the cheapest day to fly from London to Barcelona?

Use this chart to determine the cheapest time to fly return from London to Barcelona. Price data was last updated on 8 June 2025.

Travellers seeking maximum savings on their London to Barcelona flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London to Barcelona

Explore weekly flight availability from London to Barcelona. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 13 June 2025.

The most flights from LON to S37 are scheduled on a Thursday (78 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).

Rainfall in Barcelona by month

Plan your trip to Barcelona by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona ranges from 20.0 - 91.0 inches per month. October is typically the wettest month, when rainfall can reach 91.0 mm. July is typically the driest time to visit Barcelona when rainfall is around 20.0 mm.

Temperature in Barcelona by month

Plan your trip to Barcelona by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. 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 Barcelona. Reviews last updated 13 June 2025.
Peruse reviews from past customers who have flown with Jet2, Aegean Airlines and KLM from London to Barcelona to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.3

Entertainment

6.3

Comfort

7.8

Food

7.3

Boarding

8.2

Crew

8.8

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
8.3
Very Good

Overall

8.3

Entertainment

6.3

Comfort

7.8

Food

7.3

Boarding

8.2

Crew

8.8

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Overall

8.3

Entertainment

6.3

Comfort

7.8

Food

7.3

Boarding

8.2

Crew

8.8

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Overall

8.3

Entertainment

6.3

Comfort

7.8

Food

7.3

Boarding

8.2

Crew

8.8

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Overall

8.3

Entertainment

6.3

Comfort

7.8

Food

7.3

Boarding

8.2

Crew

8.8

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Overall

8.3

Entertainment

6.3

Comfort

7.8

Food

7.3

Boarding

8.2

Crew

8.8

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Related info for your journey

Find useful and relevant information for your journey from London to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from London to Barcelona round-trip?

    Cheapflights users have booked flights from London to Barcelona round-trip from £54. Other airlines that can offer you cheap pricing are Vueling, from £58, and easyJet, from £59. Ryanair is 47% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London to Barcelona one-way?

    £25 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on Vueling and Jet2, with prices starting from £32 and £33, respectively.

  • What are the most popular routes from London to Barcelona?

  • What are the most reliable airlines from London to Barcelona?

    No one likes to see their flight delayed. When booking a flight from London to Barcelona consider choosing Malaysia Airlines (86%), Japan Airlines (82%) or American Airlines (81%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London to Barcelona?

    On average you can expect to pay £277 for a flight from London to Barcelona. The cheapest flight overall is £64 while the most popular route, (London Luton - Barcelona-El Prat) is currently priced at £45.

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

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

  • How can I find direct flights from London to Barcelona?

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

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

    Yes. Cheapflights offers flight deals from London to Barcelona 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 Barcelona?

    Currently, January is the cheapest month in which you can book a flight from London to Barcelona (average of £52). Flying from London to Barcelona in August is currently the most expensive (average of £196). 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 are the most eco-friendly airlines from London to Barcelona?

    The London Barcelona flight route is a busy one, and flights to Barcelona from London are abundant. But let's say not all of them are eco-friendly. Some of the most reliable green airlines you can book include Ryanair and EasyJet. You can also dependably go for Vueling which is also among those that promotes sustainable travel. These operators have a good reputation for minor noise and reduction of carbon emissions. Research states that the same airlines have the best fuel management and overall efficiency, making them more cost-effective. Also, you enjoy quality seating capacity on the frequent direct flights from London to Barcelona while using any of the three pro-green flights. Vegan food served on non-plastic single-use items during the trip is part and parcel of their environmental responsibilities.

  • How to fly more sustainably from London to Barcelona?

    There is so much that goes into flying sustainably. While the airlines do their part, you also have a role in protecting the environment as you embark on that flight. For example, you can begin by packing light. You can also bring your reusable water bottle to avoid the use of plastics. Another great tip is to travel Economy Class to reduce pollution. We encourage you to get in touch with us for essential information about what else you can do to enrich our planet. We are also readily available to take you through the steps to fly safely and affordably from London to Barcelona. Choosing to fly green is the best step you would ever take. Green airlines are cheap, safe and comfortable. Remember, too, that protecting our environment is a concerted effort. As the airlines do their part, so should you.

See more FAQs

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Alternative routes for London to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from London to Barcelona

Discover the top 10 airlines that operate flights from London to Barcelona. 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 June 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£14Average£133FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£35Average£125FlexibilityNo cancel feeOn-time86%
Search easyJet flights
VuelingCheapest£39Average£114FlexibilityNo cancel feeOn-time88%
Search Vueling flights
RyanairCheapest£56Average£116FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Jet2Cheapest£73Average£225FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
British AirwaysCheapest£77Average£180FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TUI AirwaysCheapest£88Average£249FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
CitizenPlaneCheapest£95Average£162FlexibilityNo cancel feeOn-timeN/A
Search CitizenPlane flights
IberiaCheapest£99Average£182FlexibilityNo cancel feeOn-time77%
Search Iberia flights
SWISSCheapest£123Average£158FlexibilityNo cancel feeOn-time79%
Search SWISS 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 Barcelona?

Deals for London to Barcelona 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 London to Barcelona?

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 Barcelona from London.

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

Certainly. Search results for flights to Barcelona from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for London to Barcelona flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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