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Cheap flights from Barcelona-El Prat Airport to London Heathrow Airport from £22

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — LHR
31 Mar — 7 Apr1
1 adult

Cheapflights Tip: The best prices from Barcelona-El Prat to London Heathrow are usually found in November or January, booked 55 days in advance, depart on a Thursday or Saturday and return on a Tuesday

Cheap 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 26 March 2025.

Round-trip from

£36

One-way from

£22

Popular in

August

Cheapest in

November

Average price

£134

Good round-trip deal

£72 or less

Good one-way deal

£65 or less
Vueling
  • Vueling
  • 3/5-7/5
  • Nonstop
  • 4h 55m total
  • Barcelona to London
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Vueling
  • Vueling
  • 8/5
  • Nonstop
  • 2h 40m total
  • Barcelona to London
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Highest demand for flights based on searches. 6% potential increase in price (£6 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Barcelona-El Prat to London Heathrow.
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Price to beat on a one-way flight from Barcelona-El Prat to London Heathrow.
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Find flight deals from Barcelona-El Prat to Heathrow

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 26 March 2025.

Sat 3/507:30BCN - LHR
Nonstop2h 40mVueling
Wed 7/520:50LHR - BCN
Nonstop2h 15mVueling
Deal found 25/3£36
Sat 29/1120:35BCN - LHR
Nonstop2h 25mBritish Airways
Fri 2/106:05LHR - BCN
Nonstop2h 05mBritish Airways
Deal found 25/3£66
Fri 2/520:35BCN - LHR
Nonstop2h 15mMultiple Airlines
Wed 7/520:50LHR - BCN
Nonstop2h 15mMultiple Airlines
Deal found 24/3£70
Tue 6/510:15BCN - LHR
Nonstop2h 25mIberia
Wed 7/506:30LHR - BCN
Nonstop2h 10mIberia
Deal found 26/3£119
Thu 15/513:30BCN - LHR
1 stop5h 55mLufthansa
Sun 18/507:25LHR - BCN
1 stop6h 30mLufthansa
Deal found 26/3£155
Tue 25/320:20BCN - LHR
1 stop12h 40mAir France
Sat 29/319:35LHR - BCN
1 stop11h 25mAir France
Deal found 25/3£158
Fri 9/509:40BCN - LHR
1 stop7h 45mSWISS
Sat 10/513:45LHR - BCN
1 stop8h 50mSWISS
Deal found 24/3£167
Fri 23/512:25BCN - LHR
1 stop5h 40mBrussels Airlines
Mon 26/507:45LHR - BCN
1 stop11h 45mBrussels Airlines
Deal found 25/3£168
Thu 1/520:40BCN - LHR
1 stop26h 00mAustrian Airlines
Mon 5/506:00LHR - BCN
1 stop12h 50mAustrian Airlines
Deal found 26/3£169

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 858,174 searches. Data last updated 26 March 2025.
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

Sat 3/5

07:30-09:10

Nonstop2h 40m

London Heathrow

Wed 7/5

20:50-00:05

Nonstop2h 15m

£36

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Fri 2/5

20:35-21:50

Nonstop2h 15m

London Heathrow

Wed 7/5

20:50-00:05

Nonstop2h 15m

£70

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Fri 2/5

20:35-21:50

Nonstop2h 15m

London Heathrow

Mon 5/5

19:25-22:40

Nonstop2h 15m

£87

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Tue 6/5

10:15-11:40

Nonstop2h 25m

London Heathrow

Wed 7/5

06:30-09:40

Nonstop2h 10m

£119

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Thu 15/5

13:30-18:25

1 stop5h 55m

London Heathrow

Sun 18/5

07:25-14:55

1 stop6h 30m

£155

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Thu 8/5

06:20-10:45

1 stop5h 25m

London Heathrow

Mon 12/5

11:45-18:50

1 stop6h 05m

£162

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Fri 9/5

09:40-16:25

1 stop7h 45m

London Heathrow

Sun 11/5

08:45-19:10

1 stop9h 25m

£162

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Mon 26/5

12:25-21:35

1 stop10h 10m

London Heathrow

Fri 30/5

11:05-20:30

1 stop8h 25m

£168

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Thu 1/5

20:40-21:40

1 stop26h 00m

London Heathrow

Mon 5/5

06:00-19:50

1 stop12h 50m

£169

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Thu 8/5

07:30-09:10

Nonstop2h 40m

£22

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 22 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 21 March 2025.

To ensure you get the cheapest price possible for a flight from Barcelona-El Prat Airport to London Heathrow Airport, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 £112). Flying from Barcelona-El Prat Airport to London Heathrow Airport in August is currently the most expensive (average of £164). 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 26 March 2025.

It’s optimal to fly from Barcelona-El Prat Airport to London Heathrow Airport in the evening. By choosing this option you can save up to 59% on the cost of your flight, compared to a flight at midday.

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

Use this chart to determine the cheapest time to fly return from Barcelona-El Prat to Heathrow. Price data was last updated on 23 March 2025.

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

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 26 March 2025.
To help decide which airline to fly from Barcelona to London, see what other customers have to say about Aegean Airlines, KLM and Austrian Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Food

7.3

Boarding

7.8

Entertainment

6.9

Overall

8.1

Crew

8.6

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.1
Very Good
729 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Food

7.3

Boarding

7.8

Entertainment

6.9

Overall

8.1

Crew

8.6

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
KLM
7.8
Good
1,319 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Food

7.3

Boarding

7.8

Entertainment

6.9

Overall

8.1

Crew

8.6

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Austrian Airlines
7.5
Good
769 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Food

7.3

Boarding

7.8

Entertainment

6.9

Overall

8.1

Crew

8.6

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
SWISS
7.5
Good
1,569 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Food

7.3

Boarding

7.8

Entertainment

6.9

Overall

8.1

Crew

8.6

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Brussels Airlines
7.4
Good
344 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Food

7.3

Boarding

7.8

Entertainment

6.9

Overall

8.1

Crew

8.6

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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.

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

    According to our current data, Vueling (£36), British Airways (£87), and Iberia (£119) offers the cheapest pricing from Barcelona-El Prat Airport to London Heathrow Airport. You may be able to fly from Barcelona-El Prat Airport to London Heathrow Airport for 71% less than the average price by searching for these airlines.

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

    £22 is the cheapest one-way deal found within the past few days, from Vueling. You may also be able to find cheap deals on British Airways and Iberia, with prices starting from £34 and £47, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Barcelona-El Prat Airport to London Heathrow Airport on time: American Airlines (90%), British Airways (86%), Iberia (85%).

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

    Looking at all options, your cheapest flight can be booked for £34. While the most popular route (Barcelona-El Prat - London Heathrow) can be booked for £5 on average our data indicates £84 when flying from Barcelona-El Prat Airport to London Heathrow Airport.

  • 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 £112). Flying from Barcelona-El Prat Airport to London Heathrow Airport in August is currently the most expensive (average of £164). 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 Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Croydon
Luton
Slough
Eastbourne
Wembley
Northampton
Swindon
Hayes
Ilford
Crawley
Southend-on-Sea
Winchester
Maidstone
Ipswich
Watford
Southall

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Barcelona-El Prat to Heathrow

Discover the top 3 airlines that operate flights from Barcelona-El Prat to Heathrow. 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 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest£54Average£118FlexibilityNo cancel feeOn-time88%
Search Vueling flights
British AirwaysCheapest£92Average£185FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£100Average£176FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

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

When you search for this flight from Barcelona-El Prat to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Barcelona-El Prat to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Barcelona-El Prat to Heathrow, users can toggle the no change fees filter when performing a flight search.

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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