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Cheap flights from Barcelona-El Prat Airport to London Heathrow Airport from $52

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — LHR
10 Sep — 17 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Barcelona-El Prat to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Barcelona-El Prat to Heathrow
Explore the most affordable flight options available from Barcelona-El Prat to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 August 2026.

Wed 16/907:30 -
Nonstop2h 40m
Mon 28/920:50 -
Nonstop2h 20m
Deal found 6/8$127
Sat 24/1018:35 -
Nonstop2h 30m
Tue 27/1009:55 -
Nonstop2h 15m
Deal found 10/8$132
Mon 14/907:30 -
Nonstop2h 40m
Wed 16/909:55 -
Nonstop2h 20m
Deal found 8/8$133
Wed 16/907:30 -
Nonstop2h 40m
Mon 21/920:50 -
Nonstop2h 20m
Deal found 9/8$135
Fri 4/907:30 -
Nonstop2h 40m
Tue 8/920:50 -
Nonstop2h 20m
Deal found 9/8$136
Fri 18/907:30 -
Nonstop2h 40m
Tue 22/909:55 -
Nonstop2h 20m
Deal found 8/8$137
Fri 18/907:30 -
Nonstop2h 40m
Sun 20/920:50 -
Nonstop2h 20m
Deal found 7/8$142
Fri 9/1007:30 -
Nonstop2h 40m
Fri 16/1020:50 -
Nonstop2h 20m
Deal found 9/8$144
Fri 18/907:30 -
Nonstop2h 40m
Mon 21/920:50 -
Nonstop2h 20m
Deal found 7/8$146
Sun 25/1007:30 -
Nonstop2h 40m
Wed 28/1009:55 -
Nonstop2h 15m
Deal found 8/8$147
Mon 21/907:30 -
Nonstop2h 40m
Mon 28/920:50 -
Nonstop2h 20m
Deal found 7/8$152

Find flight deals from Barcelona-El Prat to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Barcelona-El Prat (BCN) to Heathrow (LHR). 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 11 August 2026.

Round-trip from

$127

One-way from

$52

Popular in

June

Cheapest in

January

Average price

$282

Good one-way deal

$100 or less
Vueling
  • Vueling
  • 16/9-28/9
  • Nonstop
  • 5h 00m total
  • Barcelona to London
Search Deals
Vueling
  • Vueling
  • 13/10
  • Nonstop
  • 2h 30m total
  • Barcelona to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a one-way flight from Barcelona-El Prat to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Barcelona-El Prat to Heathrow 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 647,157 searches. Data last updated 11 August 2026.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BarcelonaLondon

BCN Barcelona-El Prat - LHR London Heathrow

BCNLHR

Barcelona-El Prat

Wed 16/9

09:00-14:45

1 stop6h 45m

London Heathrow

Mon 21/9

20:50-00:10

Nonstop2h 20m

$184

BarcelonaLondon

BCN Barcelona-El Prat - LHR London Heathrow

BCNLHR

Barcelona-El Prat

Thu 17/9

07:00-14:45

1 stop8h 45m

London Heathrow

Tue 22/9

09:55-13:15

Nonstop2h 20m

$193

BarcelonaLondon

BCN Barcelona-El Prat - LHR London Heathrow

BCNLHR

Barcelona-El Prat

Wed 16/9

09:00-14:45

1 stop6h 45m

London Heathrow

Mon 28/9

20:50-00:10

Nonstop2h 20m

$210

BarcelonaLondon

BCN Barcelona-El Prat - LHR London Heathrow

BCNLHR

Barcelona-El Prat

Mon 14/9

06:20-14:15

1 stop8h 55m

London Heathrow

Wed 16/9

09:55-13:15

Nonstop2h 20m

$239

BarcelonaLondon

BCN Barcelona-El Prat - LHR London Heathrow

BCNLHR

Barcelona-El Prat

Thu 12/11

11:15-12:45

Nonstop2h 30m

London Heathrow

Mon 16/11

19:15-22:30

Nonstop2h 15m

$241
Fastest return journey

BarcelonaLondon

BCN Barcelona-El Prat - LHR London Heathrow

BCNLHR

Barcelona-El Prat

Thu 24/9

21:25-22:40

Nonstop2h 15m

London Heathrow

Mon 28/9

19:25-22:30

Nonstop2h 05m

$248

BarcelonaLondon

BCN Barcelona-El Prat - LHR London Heathrow

BCNLHR

Barcelona-El Prat

Fri 18/9

05:35-17:05

1 stop12h 30m

London Heathrow

Sun 20/9

11:05-20:30

1 stop8h 25m

$314

BarcelonaLondon

BCN Barcelona-El Prat - LHR London Heathrow

BCNLHR

Barcelona-El Prat

Thu 24/9

06:40-10:40

1 stop5h 00m

London Heathrow

Thu 1/10

17:15-23:35

1 stop5h 20m

$331

BarcelonaLondon

BCN Barcelona-El Prat - LHR London Heathrow

BCNLHR

Barcelona-El Prat

Sat 22/8

07:00-14:45

1 stop8h 45m

London Heathrow

Sat 29/8

20:50-00:10

Nonstop2h 20m

$348

BarcelonaLondon

BCN Barcelona-El Prat - LHR London Heathrow

BCNLHR

Barcelona-El Prat

Wed 26/8

12:40-16:40

1 stop5h 00m

London Heathrow

Thu 27/8

17:55-23:10

1 stop4h 15m

$358

Flights are sorted by cheapest return flights first.

Deals found on 10/8

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Barcelona-El Prat to Heathrow

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

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

Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Barcelona-El Prat Airport to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Barcelona-El Prat Airport to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to London Heathrow Airport (average of $186). Flying from Barcelona-El Prat Airport to London Heathrow Airport in June is currently the most expensive (average of $286). 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 BCN to LHR?

Find hourly flight availability from Barcelona-El Prat to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 August 2026.

A simple way to save on the total cost of your ticket is to fly from Barcelona-El Prat Airport to London Heathrow Airport at midday. If you’re flexible enough to do this you can expect to save up to 86% on your trip compared to booking a flight in the morning.

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

Airfare is below average for this route at the moment.

Barcelona-El Prat Airport to London Heathrow Airport flights typically cost between $235 and $346 in September.
The cheapest return price found within the last 5 days was $127 on Vueling (16 Sept–28 Sept).

Related info for your journey

Find useful and relevant information for your journey from Barcelona-El Prat to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Barcelona-El Prat Airport to London Heathrow Airport?

    Airlines like Vueling and British Airways fly from Barcelona-El Prat Airport to London Heathrow Airport in about 2h 30m. The time it takes to get you to your destination can typically vary by up to 4h 15m. Airlines will cover a distance of 1147 km. This flight may include one or multiple stops.

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

    No one likes to see their flight delayed. When booking a flight from Barcelona-El Prat Airport to London Heathrow Airport consider choosing LATAM Airlines(83%), Vueling(83%) or Iberia(72%), as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from Barcelona-El Prat Airport to London Heathrow Airport? While on average our users pay $110, our data indicates the cheapest price to be $65. The most popular route (Barcelona-El Prat - London Heathrow), is priced around $18,649.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Barcelona-El Prat to Heathrow 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 Barcelona-El Prat Airport to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to London Heathrow Airport (average of $186). Flying from Barcelona-El Prat Airport to London Heathrow Airport in June is currently the most expensive (average of $286). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
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Kingston upon Thames
Salisbury
St. Albans
Luton
Horsham
Dover
Aylesbury
Guildford
Stansted
Braintree
Brentford
Gatwick
Uxbridge
Chertsey
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Orpington
Teddington

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Deals for Barcelona-El Prat to Heathrow 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 Barcelona-El Prat to Heathrow?

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

Need flexible booking options for your flight to Heathrow from Barcelona-El Prat? 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 Barcelona-El Prat to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Barcelona-El Prat to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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