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Cheap Flights from Barcelona to London Heathrow

Travelers and cabin class

Compare Barcelona to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from Barcelona to London Heathrow

Looking for a cheap last-minute deal or the best round-trip flight from Barcelona to London Heathrow? Find the lowest prices on one-way and round-trip tickets right here.
London.27 € per passenger.Departing Wed, May 21.One-way flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departing from Barcelona on Wed, May 21, arriving in London Heathrow.Price includes taxes and charges.From 27 €, select.
London.28 € per passenger.Departing Thu, Jan 15.One-way flight with British Airways.Outbound direct flight with British Airways departing from Barcelona on Thu, Jan 15, arriving in London Heathrow.Price includes taxes and charges.From 28 €, select.
London.29 € per passenger.Departing Thu, Feb 5.One-way flight with British Airways.Outbound direct flight with British Airways departing from Barcelona on Thu, Feb 5, arriving in London Heathrow.Price includes taxes and charges.From 29 €, select.
London.29 € per passenger.Departing Wed, Mar 11.One-way flight with British Airways.Outbound direct flight with British Airways departing from Barcelona on Wed, Mar 11, arriving in London Heathrow.Price includes taxes and charges.From 29 €, select.
London.29 € per passenger.Departing Tue, Dec 2.One-way flight with British Airways.Outbound direct flight with British Airways departing from Barcelona on Tue, Dec 2, arriving in London Heathrow.Price includes taxes and charges.From 29 €, select.
London.32 € per passenger.Departing Sat, Nov 29.One-way flight with British Airways.Outbound direct flight with British Airways departing from Barcelona on Sat, Nov 29, arriving in London Heathrow.Price includes taxes and charges.From 32 €, select.
London.33 € per passenger.Departing Tue, Apr 21.One-way flight with British Airways.Outbound direct flight with British Airways departing from Barcelona on Tue, Apr 21, arriving in London Heathrow.Price includes taxes and charges.From 33 €, select.
London.42 € per passenger.Departing Thu, Jul 24.One-way flight with Vueling Airlines.Outbound direct flight with Vueling Airlines departing from Barcelona on Thu, Jul 24, arriving in London Heathrow.Price includes taxes and charges.From 42 €, select.

Find the cheapest month to fly from Barcelona to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Barcelona to London Heathrow flights are currently cheapest in May.
May
from 27 €
Jun
from 45 €
Jul
from 42 €
Aug
from 72 €
Sep
from 49 €
Oct
from 45 €
Nov
from 32 €
Dec
from 29 €
Jan
from 28 €
Feb
from 29 €
Mar
from 29 €
Apr
from 33 €

Direct flights from Barcelona to London Heathrow

Barcelona to London Heathrow: Alternative routes

Compare routes from Barcelona to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Barcelona to London: Flight information

The things to know before you go.
Cheapest flight found27 €
Cheapest month to flyMay
Average flight time2 hrs, 23 mins
Most popular airlineBritish Airways
Average flights per week373

Finding cheap flights from Barcelona to London Heathrow: Frequently asked questions

The best price we found for a round-trip flight from Barcelona to London Heathrow is 67 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 23 minutes is the average flight time from Barcelona to London Heathrow.
British Airways, American Airlines and Iberia fly direct from Barcelona to London Heathrow.
There are 373 flights per week flying from Barcelona to London Heathrow, as of May 2025.
The cheapest month to fly from Barcelona to London Heathrow is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Barcelona Airport to London Heathrow Airport on Wednesday, May 14, 2025.
Yes – the average flight time is 2 hours and 23 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Vueling Airlines offers the cheapest flight tickets to London Heathrow.

How to find cheap flights to London Heathrow from Barcelona

Looking for cheap tickets from Barcelona to London Heathrow? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit "search." From Delta Air Lines to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Barcelona to London Heathrow. And with us, there are no hidden fees – what you see is what you pay.
  • Compare flight deals to London Heathrow from Barcelona from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys.
  • Flex your dates to find the best Barcelona–London Heathrow ticket prices. If you're flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to London Heathrow from Barcelona.
  • Set up a Price Alert. You can easily track the fare of your cheap Barcelona–London Heathrow flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between Barcelona and London Heathrow? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business Class flights from Barcelona and London Heathrow. We scour the Internet for the best Business, Premium Economy and First Class flight fares to London Heathrow, too. Check the difference in price as you search – you might just stumble on a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Barcelona to London Heathrow flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save the next time you travel.

    • Combine your flight to London Heathrow from Barcelona with hotels and car rental

    Once you've secured your cheap flight ticket from Barcelona to London Heathrow, discover the best prices and exclusive rates for hotels in London Heathrow or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip.


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Plan the rest of your trip from Barcelona to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.