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Cheap flights from London Heathrow Airport to Barcelona from £37

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BCN
8 Jul — 15 Jul1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Barcelona are usually found in January or November, booked 76 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Heathrow to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 3 July 2025.

Round-trip from

£69

One-way from

£37

Popular in

June

Cheapest in

January

Average price

£151
Vueling
  • Vueling
  • 2/9-11/9
  • Nonstop
  • 4h 40m total
  • London to Barcelona
Vueling
  • Vueling
  • 5/11
  • Nonstop
  • 2h 10m total
  • London to Barcelona
Highest demand for flights based on searches. 21% potential increase in price (£27 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Heathrow to Barcelona

Cheapest flights from Heathrow to Barcelona
Explore the most affordable flight options available from Heathrow to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Tue 2/920:50LHR - BCN
Nonstop2h 15mVueling
Thu 11/918:40BCN - LHR
Nonstop2h 25mVueling
Deal found 2/7£69
Tue 2/920:50LHR - BCN
Nonstop2h 15mMultiple Airlines
Fri 12/920:35BCN - LHR
1 stop16h 55mMultiple Airlines
Deal found 1/7£80
Tue 7/1006:10LHR - BCN
Nonstop2h 10mBritish Airways
Fri 10/1007:40BCN - LHR
Nonstop2h 25mBritish Airways
Deal found 2/7£102
Mon 11/816:35LHR - GRO
1 stop5h 40mMultiple Airlines
Wed 13/805:55GRO - LHR
1 stop7h 35mMultiple Airlines
Deal found 1/7£201
Tue 30/914:20LHR - REU
1 stop6h 35mMultiple Airlines
Tue 14/1009:35REU - LHR
1 stop7h 20mMultiple Airlines
Deal found 1/7£235

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow 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 3 July 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Barcelona that are best for you.

Fly from

Heathrow

Fly to

Barcelona

Route

Depart

Return

Price

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Tue 2/9

20:50-00:05

Nonstop2h 15m

Barcelona-El Prat

Thu 11/9

18:40-20:05

Nonstop2h 25m

£69

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Tue 2/9

20:50-00:05

Nonstop2h 15m

Barcelona-El Prat

Fri 12/9

20:35-12:30

1 stop16h 55m

£80

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Tue 7/10

06:10-09:20

Nonstop2h 10m

Barcelona-El Prat

Fri 10/10

07:40-09:05

Nonstop2h 25m

£102

LondonGirona

LHR - GRO

LHRGRO

London Heathrow

Mon 11/8

16:35-23:15

1 stop5h 40m

Girona Costa Brava

Wed 13/8

05:55-12:30

1 stop7h 35m

£201

LondonReus

LHR - REU

LHRREU

London Heathrow

Tue 30/9

14:20-21:55

1 stop6h 35m

Reus

Tue 14/10

09:35-15:55

1 stop7h 20m

£235

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Wed 5/11

09:55-13:05

Nonstop2h 10m

£37

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Sun 13/7

19:25-09:10

1 stop12h 45m

£64

LondonReus

LHR - REU

LHRREU

London Heathrow

Thu 11/9

07:45-19:20

1 stop10h 35m

£82

LondonGirona

LHR - GRO

LHRGRO

London Heathrow

Fri 29/8

06:20-22:20

1 stop15h 00m

£91

LondonReus

LHR - REU

LHRREU

London Heathrow

Sat 23/8

15:05-08:55

1 stop16h 50m

£146

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Best time to book a flight from Heathrow to Barcelona

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

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Barcelona. Price data was last updated on 27 June 2025.

The price you pay for your flight from London Heathrow Airport to Barcelona may vary depending on when you book. For the best chance of a lower fare, look to book 76 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 Heathrow Airport to Barcelona?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Barcelona (average of £52). Flying from London Heathrow Airport 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 LHR to BCN?

Find hourly flight availability from Heathrow 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 3 July 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Barcelona is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 20% on airfare.

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

Use this chart to determine the cheapest time to fly return from Heathrow to Barcelona. Price data was last updated on 29 June 2025.

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

Weekly flight availability from London Heathrow Airport to Barcelona

Explore weekly flight availability from Heathrow 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 3 July 2025.

The most flights from LHR to S37 are scheduled on a Wednesday (34 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost for a return flight from London Heathrow Airport to Barcelona?

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 3 July 2025.
Check out reviews from past customers who have flown with Vueling, British Airways, andAir Serbia from London Heathrow Airport to Barcelona to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

5.8

Food

6.1

Boarding

7.1

Overall

7.1

Crew

7.7

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.

Entertainment

5.8

Food

6.1

Boarding

7.1

Overall

7.1

Crew

7.7

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.

Entertainment

5.8

Food

6.1

Boarding

7.1

Overall

7.1

Crew

7.7

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.

Entertainment

5.8

Food

6.1

Boarding

7.1

Overall

7.1

Crew

7.7

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports serve Barcelona from Heathrow?

    You can fly to Barcelona from London Heathrow Airport. Heathrow Airport is one of London’s busiest airports and is often extremely crowded. Passengers departing from Heathrow on flights to continental Europe may have to wait in long queues at security or check-in points and are advised to arrive at the airport around 2h before their flight is due to depart. London Heathrow is situated around 30min from London city centre by road and approx. 15min by rail. You can travel by train from London's main central station, St Pancras International. When you land in Barcelona, you will touch down at Josep Tarradellas Barcelona El Prat International Airport. Barcelona airport is a large international hub and is often very busy with tourists arriving in Spain.

  • Which airlines fly directly from Heathrow to Barcelona?

    You can fly direct from London Heathrow to Barcelona airport with British Airways and with Iberia. Direct flights generally take just over 2h. If you choose to fly with alternative airlines, such as Lufthansa, KLM, TAP AIR Portugal, and Austrian Airlines, you will have to make one stopover on your way to Barcelona. This can also slightly increase your travel costs.

  • What are the layover options between Heathrow and Barcelona?

    If you do not choose to fly direct to Barcelona from Heathrow Airport, there are several common layover routes that you may take. Flights with Lufthansa may require you to stopover at Frankfurt Airport or at Munich Airport before you touch down in Barcelona. When you stop over at Frankfurt Airport, this can add 2–4h onto your trip. Stopovers at Munich Airport, meanwhile, may add as much as 6h onto your trip. When you fly to Barcelona with KLM, you will generally stop at Amsterdam Schiphol Airport en route. This adds roughly 3h onto your journey compared with direct flights. Flights with TAP AIR Portugal usually stop over at Lisbon airport and take around 5h longer than direct routes. When you fly with Austrian Airlines, your journey to Barcelona will usually involve a stopover at Vienna Airport. This can increase your flight time by around 7h 30min.

  • Do I need a passport or visa to fly from Heathrow to Barcelona?

    You will need a valid passport to visit Spain from the United Kingdom, however, you do not need a visa to enter Spain unless you plan to stay in the country for a period of longer than 90 days. If you plan to work, study, or attend university in Spain, you should make sure that you have the correct visa information to allow you to do this. When you travel through Spanish border control, you may also need to show your outbound ticket and provide evidence that you have sufficient funds to support yourself throughout your time in the country. You should also check that your passport is valid for at least 6 months beyond the date of your arrival in Spain.

  • What are the cheapest airlines flying from London Heathrow Airport to Barcelona round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to Barcelona round-trip from £69. Another airline that can offer you cheap pricing is British Airways. Vueling is currently priced 47% below the average price you’ll pay for this route.

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

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

    Consider Malaysia Airlines (79%), Iberia (78%) or American Airlines (75%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Barcelona.

  • What are the cheapest flights from London Heathrow Airport to Barcelona?

    On average you can expect to pay £282 for a flight from London Heathrow Airport to Barcelona. The cheapest flight overall is £52 while the most popular route, (London Heathrow - Barcelona-El Prat) is currently priced at £69.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Barcelona?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Barcelona (average of £52). Flying from London Heathrow Airport 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Heathrow to Barcelona

Discover the top 10 airlines that operate flights from Heathrow 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 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£14Average£103FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£35Average£106FlexibilityNo cancel feeOn-time86%
Search easyJet flights
VuelingCheapest£53Average£120FlexibilityNo cancel feeOn-time88%
Search Vueling flights
British AirwaysCheapest£76Average£162FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Jet2Cheapest£96Average£226FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
IberiaCheapest£107Average£157FlexibilityNo cancel feeOn-time77%
Search Iberia flights
SWISSCheapest£122Average£157FlexibilityNo cancel feeOn-time79%
Search SWISS flights
KLMCheapest£126Average£192FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£140Average£290FlexibilityNo cancel feeOn-time77%
Search Air France flights
Brussels AirlinesCheapest£144Average£172FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Barcelona?

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to Barcelona?

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

Need flexible booking options for your flight to Barcelona from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Heathrow to Barcelona on Cheapflights with our Price Alert feature and get notified when better prices are available.

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