Cheap flights from London Heathrow Airport to Barcelona from C$ 78
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Barcelona departing on 13/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
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One-way
Last minute
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Cheap round-trip flights
KAYAK's recommended round-trip deals from the most popular airlines that fly from London Heathrow Airport to Barcelona.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Barcelona.
Cheap last-minute flights
Planning a quick getaway from London Heathrow Airport to Barcelona? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Barcelona, so you can enjoy a seamless trip without layovers.
British Airways flights from London Heathrow Airport to Barcelona
Our best British Airways deals on London Heathrow Airport to Barcelona flight tickets
British Airways![British Airways]()
7 Oct![British Airways]()
10 Oct
LHR6:10 a.m.London Heathrow
2h 10m
BCN9:20 a.m.Barcelona-El Prat
BCN9:25 p.m.Barcelona-El Prat
2h 15m
LHR10:40 p.m.London Heathrow
British Airways![British Airways]()
15 Sep![British Airways]()
20 Sep
LHR7:25 p.m.London Heathrow
2h 15m
BCN10:40 p.m.Barcelona-El Prat
BCN8:00 p.m.Barcelona-El Prat
2h 15m
LHR9:15 p.m.London Heathrow
KLM flights from London Heathrow Airport to Barcelona
Our best KLM deals on London Heathrow Airport to Barcelona flight tickets
KLM![KLM]()
6 May![KLM]()
15 May
LHR5:10 p.m.London Heathrow
4h 35m
1 stop
BCN10:45 p.m.Barcelona-El Prat
BCN1:20 p.m.Barcelona-El Prat
5h 15m
1 stop
LHR5:35 p.m.London Heathrow
KLM![KLM]()
7 May![KLM]()
14 May
LHR5:10 p.m.London Heathrow
4h 35m
1 stop
BCN10:45 p.m.Barcelona-El Prat
BCN9:20 a.m.Barcelona-El Prat
5h 30m
1 stop
LHR1:50 p.m.London Heathrow
See travel insights to Barcelona from
How to get the cheapest flight ticket from London Heathrow Airport to Barcelona
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
Prices
Airlines
Other information
What is the cheapest month to fly to Barcelona?
The cheapest month to fly to Barcelona from London Heathrow Airport is in January. Flight prices, which tend to average around C$ 153, are often lower during this time because this is during the off-season. If you’re not able to fly to Barcelona in January, then November is your next best option. Flight prices from London Heathrow Airport to Barcelona during November average around C$ 174.
What is the cheapest day to depart on your flight to Barcelona?
According to our data, Tuesday is the cheapest day to fly to Barcelona from London Heathrow Airport. The lowest ticket price found for a Tuesday departure recently was C$ 174. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Barcelona for around C$ 268.
What is the cheapest time of day to depart on your flight to Barcelona?
Our most recent data shows that the best time of day to fly to Barcelona is at noon. Flights from London Heathrow Airport to Barcelona during this time can be as low as C$ 182. Try not to purchase tickets in the evening because they tend to be around C$ 223. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest London Heathrow to Barcelona flight route?
Fly from London Heathrow to Barcelona-El Prat for the best London Heathrow - Barcelona flight prices
How far in advance should I book a flight to Barcelona?
You are more likely to see cheaper flights to Barcelona from London Heathrow Airport when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around C$ 244 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from London Heathrow Airport for as low as C$ 227 on momondo.
What cabin class options are available on London Heathrow to Barcelona flights?
There are 3 cabin classes available to choose from on London Heathrow to Barcelona flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from London Heathrow to Barcelona?
Vueling, British Airways, and Austrian Airlines are the most popular carriers operating from London Heathrow to Barcelona
Which airlines fly to Barcelona?
Vueling, British Airways and Iberia are the top three most popular airlines that fly to Barcelona from London Heathrow Airport according to our data. Vueling is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Barcelona. Keep in mind that there are 3 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to Barcelona on average per day?
The number of flights available between London Heathrow Airport and Barcelona is 15 per day as of April 2025. The most frequent departure time is 9:00a.m., with 39% of daily flights leaving at noon.
How many flights depart from London Heathrow Airport to Barcelona on average per week?
The number of flights available between London Heathrow Airport and Barcelona is 107 per week as of April 2025. The most frequent departure day is Wed, with 35% of weekly flights leaving on this day.
Cheap London Heathrow Airport to Barcelona flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Barcelona
How far is London Heathrow to Barcelona by plane?
London Heathrow and Barcelona are 1138.7 km apart from one another. A reasonable flight in good conditions will take 2h 10m.
When did momondo last update prices for flights from London Heathrow Airport to Barcelona?
Prices for flights from London Heathrow Airport to Barcelona are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Barcelona?
There are 3 operators available for flights from London Heathrow Airport to Barcelona as of April 2025.
How old do you have to be to fly from London Heathrow Airport to Barcelona?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Barcelona.
What documentation or ID do you need to fly to Barcelona?
The necessary travel and health documents for your Barcelona trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from London Heathrow Airport to Barcelona
Compare and see reviews for airlines that fly from London Heathrow Airport to Barcelona with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 95 | Free Cancellation | Rating 7.1 1,151 reviews | |||
| PriceFrom C$ 146 | Free Cancellation | Rating 6.6 6,771 reviews | |||
| PriceFrom C$ 222 | Free Cancellation | Rating 7.0 2,674 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Barcelona?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Barcelona. momondo saves you time and could save you money on your trip.
Can I find flights from London to Barcelona with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for London to Barcelona flights to just show those with flexible booking policies.
How can momondo help me find flights from London to Barcelona?
Once you have performed a search for London to Barcelona flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from London to Barcelona right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of London to Barcelona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.