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Cheap flights from Barcelona-El Prat Airport to London Heathrow Airport from $66

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — LHR
16 Mar — 23 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Barcelona-El Prat to London Heathrow are usually found in January or November, booked 41 days in advance, depart on a Tuesday or Thursday and return on a Thursday

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 14 February 2026.

Sat 21/318:40
BCN
-
LHR
Nonstop2h 25m
Vueling
Mon 23/309:55
LHR
-
BCN
Nonstop2h 10m
Vueling
Deal found 10/2$141
Tue 21/407:30
BCN
-
LHR
Nonstop2h 40m
Vueling
Thu 23/420:50
LHR
-
BCN
Nonstop2h 20m
Vueling
Deal found 12/2$143
Mon 13/407:30
BCN
-
LHR
Nonstop2h 40m
Vueling
Thu 16/420:50
LHR
-
BCN
Nonstop2h 20m
Vueling
Deal found 11/2$146
Fri 20/318:40
BCN
-
LHR
Nonstop2h 25m
Vueling
Mon 23/309:55
LHR
-
BCN
Nonstop2h 10m
Vueling
Deal found 11/2$151
Thu 16/418:35
BCN
-
LHR
Nonstop2h 30m
Vueling
Sun 19/409:55
LHR
-
BCN
Nonstop2h 20m
Vueling
Deal found 14/2$154
Wed 11/307:00
BCN
-
LHR
1 stop8h 45m
Vueling
Tue 24/320:50
LHR
-
BCN
Nonstop2h 15m
Vueling
Deal found 11/2$156
Sat 18/407:00
BCN
-
LHR
1 stop8h 45m
Vueling
Tue 21/420:50
LHR
-
BCN
Nonstop2h 20m
Vueling
Deal found 13/2$163
Wed 11/307:00
BCN
-
LHR
1 stop8h 45m
Vueling
Wed 18/320:50
LHR
-
BCN
Nonstop2h 15m
Vueling
Deal found 11/2$165
Tue 10/309:05
BCN
-
LHR
1 stop6h 40m
Vueling
Tue 17/320:50
LHR
-
BCN
Nonstop2h 15m
Vueling
Deal found 10/2$167
Thu 12/307:30
BCN
-
LHR
Nonstop2h 40m
Vueling
Wed 25/309:55
LHR
-
BCN
Nonstop2h 10m
Vueling
Deal found 10/2$168
Thu 12/307:00
BCN
-
LHR
1 stop8h 45m
Vueling
Sat 14/320:50
LHR
-
BCN
Nonstop2h 15m
Vueling
Deal found 10/2$170
Tue 17/307:00
BCN
-
LHR
1 stop8h 45m
Vueling
Tue 17/320:50
LHR
-
BCN
Nonstop2h 15m
Vueling
Deal found 10/2$171

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 14 February 2026.

Round-trip from

$117

One-way from

$66

Popular in

June

Cheapest in

January

Average price

$206

Good one-way deal

$71 or less
Vueling
  • Vueling
  • 3/3-17/3
  • Nonstop
  • 4h 40m total
  • Barcelona to London
Search Deals
Vueling
  • Vueling
  • 12/5
  • Nonstop
  • 2h 40m total
  • Barcelona to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($48 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 14 February 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

Barcelona-El Prat

Fly to

Heathrow

Route

Depart

Return

Price

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Fri 20/3

19:15-20:35

Nonstop2h 20m

London Heathrow

Mon 23/3

19:15-22:30

Nonstop2h 15m

$178

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Wed 11/3

07:00-14:45

1 stop8h 45m

London Heathrow

Sat 14/3

20:50-00:05

Nonstop2h 15m

$182

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Sun 8/3

07:30-09:10

Nonstop2h 40m

London Heathrow

Mon 16/3

20:50-00:05

Nonstop2h 15m

$187

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Tue 28/4

07:00-18:00

1 stop12h 00m

London Heathrow

Wed 29/4

09:55-13:15

Nonstop2h 20m

$188

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Thu 19/3

06:40-08:20

Nonstop2h 40m

London Heathrow

Mon 23/3

12:55-16:05

Nonstop2h 10m

$195

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Sat 7/3

07:00-14:45

1 stop8h 45m

London Heathrow

Wed 11/3

15:30-23:30

1 stop7h 00m

$202

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Mon 13/4

21:20-22:35

Nonstop2h 15m

London Heathrow

Sat 18/4

15:40-19:00

Nonstop2h 20m

$213

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Thu 14/5

18:35-20:05

Nonstop2h 30m

London Heathrow

Sun 17/5

20:50-00:10

Nonstop2h 20m

$216

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Fri 6/3

09:05-14:45

1 stop6h 40m

London Heathrow

Sat 7/3

20:50-00:05

Nonstop2h 15m

$218

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Fri 13/3

07:00-14:45

1 stop8h 45m

London Heathrow

Thu 19/3

20:50-00:05

Nonstop2h 15m

$219

Flights are sorted by cheapest return flights first.

Deals found on 10/2

Showing 1-10 of 20 results
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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?

Use this chart to determine the optimal time to book a return flight from Barcelona-El Prat to Heathrow. Price data was last updated on 6 February 2026.

Booking 41 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, February is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to London Heathrow Airport (average of $78). Flying from Barcelona-El Prat Airport to London Heathrow Airport in August is currently the most expensive (average of $194). 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 14 February 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 in the morning. If you’re flexible enough to do this you can expect to save up to 79% on your trip compared to booking a flight in the afternoon.

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

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 15m. The time it takes to get you to your destination can typically vary by up to 6h 30m. Airlines will cover a distance of 1147 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Barcelona-El Prat Airport to London Heathrow Airport one-way?

    For one-way options, check prices for Vueling. According to our data, you can fly for as low as $55. Users have also found prices from $102 and $123 on British Airways and Iberia, respectively.

  • 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(94%), Vueling(87%) or Japan Airlines(85%), 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 $119, our data indicates the cheapest price to be $57. The most popular route (Barcelona-El Prat - London Heathrow), is priced around $18,620.

  • 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, February is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to London Heathrow Airport (average of $78). Flying from Barcelona-El Prat Airport to London Heathrow Airport in August is currently the most expensive (average of $194). 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
Kingston upon Thames
Salisbury
Horsham
Southall
Chatham
Dover
Braintree
Gatwick
Chertsey

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

Cheapflights simply makes it quick and affordable to book flights from Barcelona-El Prat to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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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