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 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BCN
23 Jul — 30 Jul1
Return
1 adult
Economy
Cheapflights Tip: The best prices from London Heathrow to Barcelona are usually found in January or November, booked 59 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 18 July 2025.
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 18 July 2025.
Wed 10/920:50LHR - BCN
Nonstop2h 15mVueling
Wed 24/907:30BCN - LHR
Nonstop2h 40mVueling
Deal found 18/7£69
Fri 5/1206:05LHR - BCN
Nonstop2h 05mBritish Airways
Wed 17/1214:35BCN - LHR
Nonstop2h 25mBritish Airways
Deal found 18/7£92
Sun 31/806:50LHR - BCN
1 stop6h 30mBrussels Airlines
Sun 7/912:25BCN - LHR
1 stop5h 40mBrussels Airlines
Deal found 17/7£103
Mon 1/907:45LHR - GRO
1 stop12h 10mMultiple Airlines
Mon 8/910:45GRO - LHR
1 stop8h 35mMultiple Airlines
Deal found 16/7£207
Tue 7/1014:20LHR - REU
1 stop6h 35mMultiple Airlines
Fri 10/1013:40REU - LHR
1 stop5h 40mMultiple Airlines
Deal found 16/7£245
Sat 6/915:05LHR - REU
1 stop16h 50mVueling
Sun 14/909:30REU - LHR
1 stop5h 45mVueling
Deal found 16/7£269
Best flights from Heathrow to Barcelona
Discover carefully curated flight deals from Heathrow to Barcelona that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 July 2025.
Wed 10/920:50LHR - BCN
Nonstop2h 15mVueling
Wed 24/907:30BCN - LHR
Nonstop2h 40mVueling
Deal found 18/7£69
Fri 5/1206:05LHR - BCN
Nonstop2h 05mBritish Airways
Fri 19/1214:35BCN - LHR
Nonstop2h 25mBritish Airways
Deal found 18/7£92
Sun 31/806:50LHR - BCN
1 stop6h 30mBrussels Airlines
Sun 7/912:25BCN - LHR
1 stop5h 40mBrussels Airlines
Deal found 17/7£103
Mon 1/907:45LHR - GRO
1 stop12h 10mMultiple Airlines
Mon 8/910:45GRO - LHR
1 stop8h 35mMultiple Airlines
Deal found 16/7£207
Mon 29/913:25LHR - REU
1 stop5h 55mMultiple Airlines
Sun 5/1009:30REU - LHR
1 stop5h 45mMultiple Airlines
Deal found 18/7£242
Sat 6/915:05LHR - REU
1 stop16h 50mVueling
Sun 14/909:30REU - LHR
1 stop5h 45mVueling
Deal found 16/7£269
Direct flights from Heathrow to Barcelona
Explore direct flight options from Heathrow to Barcelona based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 July 2025.
Wed 10/920:50LHR - BCN
Nonstop2h 15mVueling
Wed 24/907:30BCN - LHR
Nonstop2h 40mVueling
Deal found 18/7£69
Fri 5/1206:05LHR - BCN
Nonstop2h 05mBritish Airways
Wed 17/1214:35BCN - LHR
Nonstop2h 25mBritish Airways
Deal found 18/7£92
Last-minute flights from Heathrow to Barcelona
Discover last-minute flight deals from Heathrow to Barcelona. Data last updated 18 July 2025 and is based on user searches.
Thu 24/720:50LHR - GRO
1 stop11h 30mMultiple Airlines
Mon 28/710:10GRO - LHR
1 stop8h 45mMultiple Airlines
Deal found 16/7£279
Fri 25/722:10LHR - REU
1 stop10h 05mMultiple Airlines
Mon 28/712:25REU - LHR
1 stop9h 20mMultiple Airlines
Deal found 16/7£319
Sat 26/720:50LHR - BCN
Nonstop2h 15mVueling
Mon 28/707:30BCN - LHR
Nonstop2h 40mVueling
Deal found 16/7£118
Mon 28/719:25LHR - BCN
Nonstop2h 15mMultiple Airlines
Wed 30/707:30BCN - LHR
Nonstop2h 40mMultiple Airlines
Deal found 16/7£132
Mon 28/717:05LHR - BCN
Nonstop2h 15mBritish Airways
Fri 8/820:35BCN - LHR
Nonstop2h 15mBritish Airways
Deal found 16/7£148
Tue 5/822:25LHR - REU
1 stop9h 55mMultiple Airlines
Wed 13/809:55REU - LHR
1 stop12h 50mMultiple Airlines
Deal found 18/7£260
Thu 28/820:50LHR - BCN
Nonstop2h 15mVueling
Thu 4/907:30BCN - LHR
Nonstop2h 40mVueling
Deal found 16/7£75
Thu 28/806:50LHR - GRO
1 stop7h 50mMultiple Airlines
Mon 1/910:45GRO - LHR
1 stop12h 55mMultiple Airlines
Deal found 18/7£210
Sun 31/806:50LHR - BCN
1 stop6h 30mBrussels Airlines
Sun 7/912:25BCN - LHR
1 stop5h 40mBrussels Airlines
Deal found 17/7£103
One-way flights from Heathrow to Barcelona
Search for one-way flight options from Heathrow to Barcelona. Find affordable one-way fares based on user searches. Data last updated 18 July 2025.
Wed 22/1020:50LHR - BCN
Nonstop2h 15mVueling
Deal found 17/7£37
Sun 31/819:25LHR - BCN
1 stop12h 45mAir Serbia
Deal found 16/7£63
Tue 30/1206:00LHR - BCN
Nonstop2h 05mBritish Airways
Deal found 17/7£72
Thu 2/1018:10LHR - GRO
1 stop13h 45mMultiple Airlines
Deal found 18/7£101
Wed 24/921:35LHR - REU
1 stop21h 05mMultiple Airlines
Deal found 16/7£109
Tue 5/820:50LHR - REU
2 stops20h 40mVueling
Deal found 18/7£242
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 18 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
Wed 10/9
20:50-00:05
Nonstop2h 15m
Barcelona-El Prat
Wed 24/9
07:30-09:10
Nonstop2h 40m
£69
LondonBarcelona
LHR - BCN
LHRBCN
London Heathrow
Fri 5/12
06:05-09:10
Nonstop2h 05m
Barcelona-El Prat
Wed 17/12
14:35-16:00
Nonstop2h 25m
£92
LondonBarcelona
LHR - BCN
LHRBCN
London Heathrow
Sun 31/8
06:50-14:20
1 stop6h 30m
Barcelona-El Prat
Sun 7/9
12:25-17:05
1 stop5h 40m
£103
LondonGirona
LHR - GRO
LHRGRO
London Heathrow
Mon 1/9
07:45-20:55
1 stop12h 10m
Girona Costa Brava
Mon 8/9
10:45-18:20
1 stop8h 35m
£207
LondonReus
LHR - REU
LHRREU
London Heathrow
Tue 7/10
14:20-21:55
1 stop6h 35m
Reus
Fri 10/10
13:40-18:20
1 stop5h 40m
£245
LondonReus
LHR - REU
LHRREU
London Heathrow
Sat 6/9
15:05-08:55
1 stop16h 50m
Reus
Sun 14/9
09:30-14:15
1 stop5h 45m
£269
LondonBarcelona
LHR - BCN
LHRBCN
London Heathrow
Wed 22/10
20:50-00:05
Nonstop2h 15m
£37
LondonBarcelona
LHR - BCN
LHRBCN
London Heathrow
Sun 31/8
19:25-09:10
1 stop12h 45m
£63
LondonBarcelona
LHR - BCN
LHRBCN
London Heathrow
Tue 30/12
06:00-09:05
Nonstop2h 05m
£72
LondonGirona
LHR - GRO
LHRGRO
London Heathrow
Thu 2/10
18:10-08:55
1 stop13h 45m
£101
Flights are sorted by cheapest return flights first.
Deals found on 17/7
Showing 1-10 of 12 results
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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 11 July 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 59 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 18 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 21% 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 13 July 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. Wednesday at midday 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 18 July 2025.
The most flights from LHR to S37 are scheduled on a Thursday (36 on average). You will have fewer flight options on Tuesday, 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 18 July 2025.
Check out reviews from past customers who have flown with Brussels Airlines, Vueling, andBritish Airways 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.
I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.
I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.
I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.
I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.
I thought it was really good. The employees were very helpful and caring. Although the plane was a little dirty, so it could use a good cleaning. Other than that, it was good.
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. Other airlines that can offer you cheap pricing are British Airways, from £92, and Brussels Airlines, from £103. Vueling is currently priced 50% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from London Heathrow Airport to Barcelona one-way?
£37 is the cheapest one-way deal found within the past few days, from Vueling. You may also be able to find cheap deals on Air Serbia and British Airways, with prices starting from £63 and £72, respectively.
What are the most popular routes from London Heathrow Airport to Barcelona?
When deciding which route to take from London Heathrow Airport to Barcelona consider London Heathrow - Barcelona-El Prat, London Heathrow - Reus or London Heathrow - Girona Costa Brava as they are the most popular.
What are the most reliable airlines from London Heathrow Airport to Barcelona?
Consider Malaysia Airlines (79%), Iberia (77%) or American Airlines (76%) 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 £491 for a flight from London Heathrow Airport to Barcelona. The cheapest flight overall is £55 while the most popular route, (London Heathrow - Barcelona-El Prat) is currently priced at £71.
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.
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 18 July 2025.
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 Heathrow to Barcelona?
Cheapflights makes it easy to find Heathrow to Barcelona flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Barcelona?
Cheapflights helps you find that perfect flight to Barcelona from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
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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