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Cheap flights from London Heathrow Airport to Barcelona from $47

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 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from London Heathrow Airport to Barcelona

Cheap round-trip flights

Vueling Logo
8:50 pm - 12:05 amLHR-BCN
2h 15mnonstop
Vueling Logo
4:25 pm - 6:00 pmBCN-LHR
2h 35mnonstop
$86Vueling
Find Deal
Mon, Sep 15 - Mon, Dec 15
Vueling Logo
8:50 pm - 12:05 amLHR-BCN
2h 15mnonstop
Vueling Logo
7:30 am - 9:10 amBCN-LHR
2h 40mnonstop
$89Vueling
Find Deal
Mon, Oct 6 - Thu, Oct 16
Vueling Logo
8:50 pm - 12:05 amLHR-BCN
2h 15mnonstop
Vueling Logo
7:30 am - 9:10 amBCN-LHR
2h 40mnonstop
$91Vueling
Find Deal
Tue, Sep 2 - Thu, Sep 18
Vueling Logo
8:50 pm - 12:05 amLHR-BCN
2h 15mnonstop
Vueling Logo
7:30 am - 9:10 amBCN-LHR
2h 40mnonstop
$93Vueling
Find Deal
Sat, Nov 8 - Tue, Nov 11
Vueling Logo
8:50 pm - 12:05 amLHR-BCN
2h 15mnonstop
Vueling Logo
7:30 am - 9:10 amBCN-LHR
2h 40mnonstop
$95Vueling
Find Deal
Mon, Oct 6 - Tue, Oct 14
Vueling Logo
8:50 pm - 12:05 amLHR-BCN
2h 15mnonstop
Vueling Logo
6:40 pm - 8:05 pmBCN-LHR
2h 25mnonstop
$96Vueling
Find Deal
Sat, Oct 4 - Wed, Oct 8
Vueling Logo
8:50 pm - 12:05 amLHR-BCN
2h 15mnonstop
Vueling Logo
7:30 am - 9:10 amBCN-LHR
2h 40mnonstop
$97Vueling
Find Deal
Mon, Sep 15 - Wed, Sep 17
Vueling Logo
8:50 pm - 12:05 amLHR-BCN
2h 15mnonstop
Vueling Logo
7:30 am - 9:10 amBCN-LHR
2h 40mnonstop
$98Vueling
Find Deal
Sun, Oct 12 - Thu, Oct 16
British Airways Logo
8:15 am - 11:20 amLHR-BCN
2h 05mnonstop
British Airways Logo
6:40 am - 8:20 amBCN-LHR
2h 40mnonstop
$124British Airways
Find Deal
Wed, Dec 17 - Sun, Dec 21
British Airways Logo
6:05 am - 9:10 amLHR-BCN
2h 05mnonstop
British Airways Logo
6:40 am - 8:20 amBCN-LHR
2h 40mnonstop
$140British Airways
Find Deal
Fri, Nov 7 - Tue, Nov 11

Vueling flights from London Heathrow Airport to Barcelona

Our best Vueling deals on London Heathrow Airport to Barcelona flight tickets
Vueling
Sep 15
LHR8:50 pmLondon Heathrow
2h 15m
BCN12:05 amBarcelona-El Prat
Dec 15
BCN4:25 pmBarcelona-El Prat
2h 35m
LHR6:00 pmLondon Heathrow
$86
Find similar
Vueling
Oct 6
LHR8:50 pmLondon Heathrow
2h 15m
BCN12:05 amBarcelona-El Prat
Oct 16
BCN7:30 amBarcelona-El Prat
2h 40m
LHR9:10 amLondon Heathrow
$89
Find similar
Vueling
Sep 2
LHR8:50 pmLondon Heathrow
2h 15m
BCN12:05 amBarcelona-El Prat
Sep 18
BCN7:30 amBarcelona-El Prat
2h 40m
LHR9:10 amLondon Heathrow
$91
Find similar

British Airways flights from London Heathrow Airport to Barcelona

Our best British Airways deals on London Heathrow Airport to Barcelona flight tickets
British Airways
Dec 17
LHR8:15 amLondon Heathrow
2h 05m
BCN11:20 amBarcelona-El Prat
Dec 21
BCN6:40 amBarcelona-El Prat
2h 40m
LHR8:20 amLondon Heathrow
$124
Find similar
British Airways
Nov 7
LHR6:05 amLondon Heathrow
2h 05m
BCN9:10 amBarcelona-El Prat
Nov 11
BCN6:40 amBarcelona-El Prat
2h 40m
LHR8:20 amLondon Heathrow
$140
Find similar
British Airways
Aug 31
LHR5:20 pmLondon Heathrow
2h 15m
BCN8:35 pmBarcelona-El Prat
Sep 7
BCN9:20 pmBarcelona-El Prat
2h 15m
LHR10:35 pmLondon Heathrow
$208
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Barcelona 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, momondo users made 832,500 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Mon 9/15

8:50 pm-12:05 am

Nonstop2h 15m

Barcelona-El Prat

Mon 12/15

4:25 pm-6:00 pm

Nonstop2h 35m

$86

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Mon 10/6

8:50 pm-12:05 am

Nonstop2h 15m

Barcelona-El Prat

Thu 10/16

7:30 am-9:10 am

Nonstop2h 40m

$89

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Tue 9/2

8:50 pm-12:05 am

Nonstop2h 15m

Barcelona-El Prat

Thu 9/18

7:30 am-9:10 am

Nonstop2h 40m

$91

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Sat 11/8

8:50 pm-12:05 am

Nonstop2h 15m

Barcelona-El Prat

Tue 11/11

7:30 am-9:10 am

Nonstop2h 40m

$93

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Mon 10/6

8:50 pm-12:05 am

Nonstop2h 15m

Barcelona-El Prat

Tue 10/14

7:30 am-9:10 am

Nonstop2h 40m

$95

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Sat 10/4

8:50 pm-12:05 am

Nonstop2h 15m

Barcelona-El Prat

Wed 10/8

6:40 pm-8:05 pm

Nonstop2h 25m

$96

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Mon 9/15

8:50 pm-12:05 am

Nonstop2h 15m

Barcelona-El Prat

Wed 9/17

7:30 am-9:10 am

Nonstop2h 40m

$97

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Sun 10/12

8:50 pm-12:05 am

Nonstop2h 15m

Barcelona-El Prat

Thu 10/16

7:30 am-9:10 am

Nonstop2h 40m

$98

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Wed 12/17

8:15 am-11:20 am

Nonstop2h 05m

Barcelona-El Prat

Sun 12/21

6:40 am-8:20 am

Nonstop2h 40m

$124

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Fri 11/7

6:05 am-9:10 am

Nonstop2h 05m

Barcelona-El Prat

Tue 11/11

6:40 am-8:20 am

Nonstop2h 40m

$140

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

What is the typical price of a round-trip flight between London Heathrow Airport and Barcelona?

What is the cheapest month to fly to Barcelona?

The month of January is, on average, the cheapest month to fly to Barcelona from London Heathrow Airport, with most prices found around $115. If you don’t want to visit Barcelona in January, then you should wait until November to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $125.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from London Heathrow Airport to Barcelona is on a Tuesday when prices can be found for as low as $147. On the other hand, Wednesday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $188.

What is the cheapest time of day to depart on your flight to Barcelona?

In the afternoon is the cheapest time of day to fly from London Heathrow Airport to Barcelona when you can find flight prices for as low as $160. Flying to Barcelona in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $180 on average. Flights to Barcelona from London Heathrow Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $184 when searching 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 $171 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.

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

Fastest flight time

2h 05m

Direct flights

Every day

Airports in Barcelona

1 airport
The fastest flight from London Heathrow Airport to Barcelona takes 2h 05m
Direct flights go from London Heathrow Airport to Barcelona every day.
There is 1 airport near Barcelona: Barcelona-El Prat (BCN)
Search flight deals

  • How far is London Heathrow to Barcelona by plane?

    The distance between London Heathrow and Barcelona is about 707.6 mi. Flights usually cover this in 2h 05m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Heathrow Airport to Barcelona?

    Prices for flights from London Heathrow Airport to Barcelona refresh daily.

  • How many operators does momondo search for flights from London Heathrow Airport to Barcelona?

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents required for your trip to Barcelona can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Barcelona. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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
VuelingPriceFrom $79Free CancellationRating
7.1
1,179 reviews
Search Vueling flights
British AirwaysPriceFrom $124Free CancellationRating
6.7
7,291 reviews
Search British Airways flights
IberiaPriceFrom $134Free CancellationRating
7.0
2,884 reviews
Search Iberia flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Barcelona?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Barcelona. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Barcelona with flexible booking policies on momondo?

All flight searches from London to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Barcelona?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Barcelona.

I’m not ready to book a flight from London to Barcelona right now. Can momondo alert me if prices change?

Price alerts on flights to Barcelona from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Spain

Fly into one of these airports located in Barcelona

Airports listed have a maximum distance of 46.7 mi from Barcelona
Barcelona-El Prat Airport
Girona Costa Brava Airport