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Cheap flights from London Heathrow Airport to Barcelona from $45

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 3/11. 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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Find the cheapest flights from London Heathrow Airport to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Vueling Logo
9:55 am - 1:05 pm
LHR
-
BCN
2h 10mnonstop
Vueling Logo
7:30 am - 9:10 am
BCN
-
LHR
2h 40mnonstop
$91Vueling
Tue, Mar 3 - Wed, Mar 25
Vueling Logo
8:50 pm - 12:05 am
LHR
-
BCN
2h 15mnonstop
Vueling Logo
6:40 pm - 8:05 pm
BCN
-
LHR
2h 25mnonstop
$92Vueling
Tue, Feb 24 - Tue, Mar 3
Vueling Logo
9:55 am - 1:05 pm
LHR
-
BCN
2h 10mnonstop
Vueling Logo
6:40 pm - 8:05 pm
BCN
-
LHR
2h 25mnonstop
$95Vueling
Tue, Mar 3 - Tue, Mar 10
Vueling Logo
8:50 pm - 12:05 am
LHR
-
BCN
2h 15mnonstop
Vueling Logo
6:40 pm - 8:05 pm
BCN
-
LHR
2h 25mnonstop
$96Vueling
Wed, Mar 11 - Sat, Mar 14
Vueling Logo
9:55 am - 1:05 pm
LHR
-
BCN
2h 10mnonstop
Vueling Logo
7:00 am - 2:45 pm
BCN
-
LHR
8h 45m
1 stop
$97Vueling
Tue, Mar 3 - Tue, Mar 17
Vueling Logo
8:50 pm - 12:05 am
LHR
-
BCN
2h 15mnonstop
Vueling Logo
7:30 am - 9:10 am
BCN
-
LHR
2h 40mnonstop
$98Vueling
Thu, Feb 19 - Thu, Feb 26
Vueling Logo
8:50 pm - 12:05 am
LHR
-
BCN
2h 15mnonstop
Vueling Logo
7:30 am - 9:10 am
BCN
-
LHR
2h 40mnonstop
$99Vueling
Mon, Feb 23 - Thu, Feb 26
Vueling Logo
8:50 pm - 12:05 am
LHR
-
BCN
2h 15mnonstop
Vueling Logo
7:30 am - 9:10 am
BCN
-
LHR
2h 40mnonstop
$100Vueling
Sat, Feb 28 - Mon, Mar 2
Vueling Logo
8:50 pm - 12:10 am
LHR
-
BCN
2h 20mnonstop
Vueling Logo
7:30 am - 9:10 am
BCN
-
LHR
2h 40mnonstop
$101Vueling
Fri, Apr 10 - Mon, Apr 13
Vueling Logo
8:50 pm - 12:10 am
LHR
-
BCN
2h 20mnonstop
Vueling Logo
6:35 pm - 8:05 pm
BCN
-
LHR
2h 30mnonstop
$102Vueling
Thu, Apr 16 - Mon, Apr 20

British Airways flights from London Heathrow Airport to Barcelona-El Prat Airport

Our best British Airways deals on London Heathrow Airport to Barcelona-El Prat Airport flight tickets
British Airways
Apr 11
LHR6:10 amLondon Heathrow
2h 10m
BCN9:20 amBarcelona-El Prat
Apr 17
BCN9:30 pmBarcelona-El Prat
2h 15m
LHR10:45 pmLondon Heathrow
$130
British Airways
Mar 7
LHR7:20 amLondon Heathrow
2h 05m
BCN10:25 amBarcelona-El Prat
Mar 11
BCN3:35 pmBarcelona-El Prat
2h 25m
LHR5:00 pmLondon Heathrow
$138
British Airways
Apr 18
LHR7:25 pmLondon Heathrow
2h 05m
BCN10:30 pmBarcelona-El Prat
Apr 21
BCN9:30 pmBarcelona-El Prat
2h 15m
LHR10:45 pmLondon Heathrow
$141

Vueling flights from London Heathrow Airport to Barcelona-El Prat Airport

Our best Vueling deals on London Heathrow Airport to Barcelona-El Prat Airport flight tickets
Vueling
Mar 3
LHR9:55 amLondon Heathrow
2h 10m
BCN1:05 pmBarcelona-El Prat
Mar 25
BCN7:30 amBarcelona-El Prat
2h 40m
LHR9:10 amLondon Heathrow
$91
Vueling
Feb 24
LHR8:50 pmLondon Heathrow
2h 15m
BCN12:05 amBarcelona-El Prat
Mar 3
BCN6:40 pmBarcelona-El Prat
2h 25m
LHR8:05 pmLondon Heathrow
$92
Vueling
Mar 3
LHR9:55 amLondon Heathrow
2h 10m
BCN1:05 pmBarcelona-El Prat
Mar 10
BCN6:40 pmBarcelona-El Prat
2h 25m
LHR8:05 pmLondon Heathrow
$95

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Barcelona-El Prat Airport 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 February 3, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Tue 3/3

9:55 am-1:05 pm

Nonstop2h 10m

Barcelona-El Prat

Wed 3/25

7:30 am-9:10 am

Nonstop2h 40m

$91

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Tue 2/24

8:50 pm-12:05 am

Nonstop2h 15m

Barcelona-El Prat

Tue 3/3

6:40 pm-8:05 pm

Nonstop2h 25m

$92

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Tue 3/3

9:55 am-1:05 pm

Nonstop2h 10m

Barcelona-El Prat

Tue 3/10

6:40 pm-8:05 pm

Nonstop2h 25m

$95

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Wed 3/11

8:50 pm-12:05 am

Nonstop2h 15m

Barcelona-El Prat

Sat 3/14

6:40 pm-8:05 pm

Nonstop2h 25m

$96

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Tue 3/3

9:55 am-1:05 pm

Nonstop2h 10m

Barcelona-El Prat

Tue 3/17

7:00 am-2:45 pm

1 stop8h 45m

$97

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Thu 2/19

8:50 pm-12:05 am

Nonstop2h 15m

Barcelona-El Prat

Thu 2/26

7:30 am-9:10 am

Nonstop2h 40m

$98

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Mon 2/23

8:50 pm-12:05 am

Nonstop2h 15m

Barcelona-El Prat

Thu 2/26

7:30 am-9:10 am

Nonstop2h 40m

$99

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Sat 2/28

8:50 pm-12:05 am

Nonstop2h 15m

Barcelona-El Prat

Mon 3/2

7:30 am-9:10 am

Nonstop2h 40m

$100

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Fri 4/10

8:50 pm-12:10 am

Nonstop2h 20m

Barcelona-El Prat

Mon 4/13

7:30 am-9:10 am

Nonstop2h 40m

$101

LondonBarcelona

LHR - BCN

LHRBCN

London Heathrow

Thu 4/16

8:50 pm-12:10 am

Nonstop2h 20m

Barcelona-El Prat

Mon 4/20

6:35 pm-8:05 pm

Nonstop2h 30m

$102

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-El Prat Airport

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 cheapest month to fly to Barcelona-El Prat Airport?

The cheapest month to fly to Barcelona-El Prat Airport from London Heathrow Airport is in November. Flight prices, which tend to average around $124, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Barcelona-El Prat Airport from London Heathrow Airport during January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in November, still average around $136.

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Tuesday when prices can be found for as low as $141. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $188. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?

Flying to Barcelona-El Prat Airport from London Heathrow Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $155 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $187 on average. Flights to Barcelona-El Prat Airport 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-El Prat flight route?

Fly from London Heathrow to Barcelona-El Prat for the best London Heathrow - Barcelona-El Prat flight prices

How far in advance should I book a flight to Barcelona-El Prat Airport?

You are more likely to see cheaper flights to Barcelona-El Prat Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $189 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from London Heathrow Airport for as low as $167 on momondo.

What cabin class options are available on London Heathrow to Barcelona-El Prat flights?

There are 3 cabin classes available to choose from on London Heathrow to Barcelona-El Prat flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London Heathrow Airport to Barcelona-El Prat Airport flight prices changed over time?

As of February 2026, prices for London Heathrow Airport to Barcelona-El Prat Airport flights are approximately 5% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Barcelona-El Prat Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Barcelona-El Prat Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to Barcelona-El Prat Airport (LHR to BCN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Barcelona-El Prat Airport

Best Price Found

$103

Fastest flight time

2h 15m

Direct flights

Every day
The best one-way flight to Barcelona-El Prat Airport from London Heathrow Airport in the past 72 hours is $103. The best round-trip flight deal from London Heathrow Airport to Barcelona-El Prat Airport found on momondo in the last 72 hours is $110.
The fastest flight from London Heathrow Airport to Barcelona-El Prat Airport takes 2h 15m
Direct flights go from London Heathrow Airport to Barcelona-El Prat Airport every day.
Search flight deals

  • How far is London Heathrow to Barcelona-El Prat by plane?

    The straight-line distance from London Heathrow to Barcelona-El Prat is 712.7 mi. Typically, this will take 2h 15m by plane in normal conditions.

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

    Prices for flights from London Heathrow Airport to Barcelona-El Prat Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from London Heathrow Airport to Barcelona-El Prat Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Barcelona-El Prat Airport.

  • What documentation or ID do you need to fly to Barcelona-El Prat Airport?

    The required travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona-El Prat Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London Heathrow Airport to Barcelona-El Prat Airport?

  • What is the most popular airline from London Heathrow Airport to Barcelona-El Prat Airport?

Best airlines flying from London Heathrow Airport to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from London Heathrow Airport to Barcelona-El Prat Airport with momondo
Airline
Rating
Free Cancellation
Price
VuelingPriceFrom $92Free CancellationRating
7.1
1,238 reviews
Search Vueling flights
IberiaPriceFrom $123Free CancellationRating
7.0
3,101 reviews
Search Iberia flights
British AirwaysPriceFrom $132Free CancellationRating
6.7
7,711 reviews
Search British Airways flights

  • Vueling Flights From London Heathrow Airport to Barcelona-El Prat Airport

    Vueling is one of the most popular airlines flying from London Heathrow Airport to Barcelona-El Prat Airport, operating 14 flights/week on average for this route. A good Vueling flight deal for London Heathrow Airport to Barcelona-El Prat Airport starts from $92 round-trip, up to an average price of $169. Our users have rated Vueling at 7.1/10.

  • Iberia Flights From London Heathrow Airport to Barcelona-El Prat Airport

    Another popular option for London Heathrow Airport to Barcelona-El Prat Airport flights is Iberia (7.0/10, 3,101 ratings). Iberia flies from London Heathrow Airport to Barcelona-El Prat Airport around 49 times per week, with deals starting from $123 round-trip and rising to an average price of around $264.

Traveling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Lloret de Mar
Sitges
Salou
Tossa de Mar
Tarragona
El Prat de Llobregat
Castelldefels
L'Hospitalet de Llobregat
Santa Susanna
Calella
Cadaques
Cambrils
Pals
Empuriabrava
Pineda de Mar
Roses
Badalona
Malgrat de Mar
Palafrugell
Tortosa

Why use momondo?

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

It is quick and easy to find London to Barcelona flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Barcelona that suits you.

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

momondo does allow users to show only those flights to Barcelona from London which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential London to Barcelona flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Barcelona from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Barcelona-El Prat Airport trip

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