Find flights
Deals
When to book
FAQs

Cheap flights from Barcelona-El Prat Airport to London from $55

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 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — LON
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Barcelona-El Prat to London are usually found in March or January, booked 40 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Barcelona-El Prat to London

Discover tips and strategies to find the most affordable flight options for your journey from Barcelona-El Prat (BCN) to London (LON). 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 September 2025.

Round-trip from

$138

One-way from

$55

Popular in

August

Cheapest in

March

Average price

$159

Good round-trip deal

$104 or less

Good one-way deal

$79 or less
Vueling
  • Vueling
  • 13/11-15/11
  • Nonstop
  • 4h 55m total
  • Barcelona to London
Search Deals
Vueling
  • Vueling
  • 17/10
  • Nonstop
  • 2h 40m total
  • Barcelona to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($44 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 September 2025
Search Deals
Price to beat on a round-trip flight from Barcelona-El Prat to London (LON).
Search Deals
Price to beat on a one-way flight from Barcelona-El Prat to London (LON).
Search Deals

Find flight deals from Barcelona-El Prat to London

Cheapest flights from Barcelona-El Prat to London
Explore the most affordable flight options available from Barcelona-El Prat to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Thu 13/1107:30BCN - LHR
Nonstop2h 40mVueling
Sat 15/1120:50LHR - BCN
Nonstop2h 15mVueling
Deal found 18/9$138
Mon 17/1107:30BCN - LHR
Nonstop2h 40mVueling
Thu 20/1109:55LHR - BCN
Nonstop2h 10mVueling
Deal found 16/9$141
Tue 18/1107:30BCN - LHR
Nonstop2h 40mVueling
Fri 21/1118:50LHR - BCN
Nonstop2h 15mVueling
Deal found 18/9$142
Tue 4/1116:25BCN - LHR
Nonstop2h 35mVueling
Thu 6/1118:50LHR - BCN
Nonstop2h 15mVueling
Deal found 16/9$144
Fri 12/1216:25BCN - LHR
Nonstop2h 35mVueling
Mon 15/1209:55LHR - BCN
Nonstop2h 10mVueling
Deal found 16/9$147
Thu 2/1007:30BCN - LHR
Nonstop2h 40mVueling
Sat 4/1020:50LHR - BCN
Nonstop2h 15mVueling
Deal found 16/9$148
Thu 9/1007:30BCN - LHR
Nonstop2h 40mVueling
Sun 12/1009:55LHR - BCN
Nonstop2h 10mVueling
Deal found 16/9$150
Thu 6/1107:00BCN - LHR
1 stop8h 45mVueling
Mon 10/1109:55LHR - BCN
Nonstop2h 10mVueling
Deal found 17/9$153
Sat 15/1107:00BCN - LHR
1 stop8h 45mVueling
Tue 18/1109:55LHR - BCN
Nonstop2h 10mVueling
Deal found 16/9$156
Tue 4/1116:25BCN - LHR
Nonstop2h 35mVueling
Fri 14/1109:55LHR - BCN
Nonstop2h 10mVueling
Deal found 17/9$157
Thu 4/1207:30BCN - LHR
Nonstop2h 40mVueling
Sun 7/1209:55LHR - BCN
Nonstop2h 10mVueling
Deal found 16/9$159
Wed 26/1107:00BCN - LHR
1 stop8h 45mVueling
Sun 30/1109:55LHR - BCN
Nonstop2h 10mVueling
Deal found 17/9$160

Cheapflights Fare Finder

 
Customise your flight search to find flights from Barcelona-El Prat to London 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 18 September 2025.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to London that are best for you.

Fly from

Barcelona-El Prat

Fly to

London

Route

Depart

Return

Price

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Sat 15/11

07:30-09:10

Nonstop2h 40m

London Heathrow

Tue 18/11

09:55-13:05

Nonstop2h 10m

$141

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Thu 6/11

07:00-14:45

1 stop8h 45m

London Heathrow

Mon 10/11

09:55-13:05

Nonstop2h 10m

$153

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Fri 7/11

07:00-14:45

1 stop8h 45m

London Heathrow

Mon 10/11

09:55-13:05

Nonstop2h 10m

$162

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Thu 12/3

07:30-09:10

Nonstop2h 40m

London Heathrow

Sun 15/3

18:50-22:05

Nonstop2h 15m

$168

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Fri 23/1

07:30-09:10

Nonstop2h 40m

London Heathrow

Fri 23/1

18:50-22:05

Nonstop2h 15m

$168

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Thu 4/12

06:40-08:20

Nonstop2h 40m

London Heathrow

Sat 13/12

19:20-22:35

Nonstop2h 15m

$184

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Mon 1/12

20:00-21:20

Nonstop2h 20m

London Heathrow

Sun 14/12

12:55-16:05

Nonstop2h 10m

$184

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Sat 28/2

11:30-13:00

Nonstop2h 30m

London Heathrow

Mon 2/3

08:20-11:25

Nonstop2h 05m

$186

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Sat 6/12

18:40-20:05

Nonstop2h 25m

London Heathrow

Tue 9/12

09:55-13:05

Nonstop2h 10m

$186

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Sun 30/11

09:05-14:45

1 stop6h 40m

London Heathrow

Wed 3/12

15:30-23:30

1 stop7h 00m

$193

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Barcelona-El Prat to London

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

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

Use this chart to determine the optimal time to book a return flight from Barcelona-El Prat to London. Price data was last updated on 12 September 2025.

The price you pay for your flight from Barcelona-El Prat Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 40 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 Barcelona-El Prat Airport to London?

Currently, October is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to London (average of $1,037). Flying from Barcelona-El Prat Airport to London in December is currently the most expensive (average of $1,667). 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 LON?

Find hourly flight availability from Barcelona-El Prat to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 90% on flights from Barcelona-El Prat Airport to London by exploring options for tickets in the evening.

Weekly flight availability from Barcelona-El Prat Airport to London

Explore weekly flight availability from Barcelona-El Prat to London. 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 September 2025.

The most flights from BCN to LON are scheduled on a Wednesday (72 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

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

Related info for your journey

Find useful and relevant information for your journey from Barcelona-El Prat to London. 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?

    Airlines like Vueling fly from Barcelona-El Prat Airport to London in about 2h 40m. The time it takes to get you to your destination is usually consistent. The distance from Barcelona-El Prat Airport to London is about 1147 km. All flights are typically direct.

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

    The top 3 most reliable airlines when flying from Barcelona-El Prat Airport to London are Vueling (72%), Iberia (62%) and Malaysia Airlines (61%).

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

    While on average a flight from Barcelona-El Prat Airport to London is generally $177, our data shows the cheapest flight currently is $58. When looking at the most popular route, (Barcelona-El Prat - London Heathrow), you can expect to pay $19,741 for that flight.

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

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

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

    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 London.

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

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

    Currently, October is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to London (average of $1,037). Flying from Barcelona-El Prat Airport to London in December is currently the most expensive (average of $1,667). 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?

Book flights to London if you plan to visit one of these locations
Hounslow
Horsham
Southall
Chatham
Dover
Dorking
Braintree
Chertsey

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Barcelona-El Prat to London

See prices for flight routes from nearby airports that may be better suited for you.
Barcelona-El Prat to Heathrow 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 Barcelona-El Prat to London?

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 London from Barcelona-El Prat today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Barcelona-El Prat to London?

Cheapflights helps you find that perfect flight to London from Barcelona-El Prat 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 Barcelona-El Prat to London with no change fees?

Certainly. Search results for flights to London from Barcelona-El Prat 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 Barcelona-El Prat to London become cheaper?

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.