Cheap Flights from Barcelona (BCN) to London (LHR) from HK$618~

Start packing your suitcase, because round-trip flights between Josep Tarradellas Barcelona–El Prat Airport and Heathrow Airport (LHR) start from HK$762. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to lock in the best deal. Prices and availability are subject to change. Additional terms apply.

We understand that things crop up unexpectedly, so we've made it as easy as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Barcelona Intl. Airport (BCN) to London Heathrow flights, you'll see a "no change fees" filter for you to select.

You won't need a lengthy novel for this flight — it's only 1,150 kilometers from El Prat de Llobregat to Hounslow. Find your way to your seat, order some food and you'll be touching down before you know it.

Offering 212 flights every month, British Airways (BA) is a popular choice when flying directly from BCN to Heathrow Airport.

Last-minute planners can sometimes nab a bargain, with some of the cheapest airfares from Josep Tarradellas Barcelona–El Prat Airport to LHR cropping up a few weeks prior to the departure date. If you'd rather book ahead, Expedia compares and updates the best flight deals continually — as early as a year in advance in some cases. It depends on the carrier though, as not every airline advertises prices so far in advance.