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Cheap flights from Barcelona-El Prat Airport to London 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 Barcelona-El Prat Airport to London departing on 10/22. 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 Barcelona-El Prat Airport to London

Cheap round-trip flights

Vueling Logo
7:30 am - 9:10 amBCN-LHR
2h 40mnonstop
Vueling Logo
8:50 pm - 12:05 amLHR-BCN
2h 15mnonstop
$89Vueling
Find Deal
Tue, Sep 9 - Tue, Sep 30
Vueling Logo
6:40 pm - 8:05 pmBCN-LHR
2h 25mnonstop
Vueling Logo
9:55 am - 1:05 pmLHR-BCN
2h 10mnonstop
$94Vueling
Find Deal
Sat, Nov 8 - Tue, Nov 11
Vueling Logo
7:30 am - 9:10 amBCN-LHR
2h 40mnonstop
Vueling Logo
8:50 pm - 12:05 amLHR-BCN
2h 15mnonstop
$96Vueling
Find Deal
Tue, Sep 30 - Tue, Oct 7
Vueling Logo
7:30 am - 9:10 amBCN-LHR
2h 40mnonstop
Vueling Logo
8:50 pm - 12:05 amLHR-BCN
2h 15mnonstop
$97Vueling
Find Deal
Sun, Nov 9 - Sat, Nov 15
Vueling Logo
7:30 am - 9:10 amBCN-LHR
2h 40mnonstop
Vueling Logo
8:50 pm - 12:05 amLHR-BCN
2h 15mnonstop
$98Vueling
Find Deal
Thu, Sep 18 - Tue, Sep 23
Vueling Logo
7:30 am - 9:10 amBCN-LHR
2h 40mnonstop
Vueling Logo
9:55 am - 1:05 pmLHR-BCN
2h 10mnonstop
$102Vueling
Find Deal
Tue, Nov 11 - Sun, Nov 16
Vueling Logo
7:30 am - 9:10 amBCN-LHR
2h 40mnonstop
Vueling Logo
8:50 pm - 12:05 amLHR-BCN
2h 15mnonstop
$103Vueling
Find Deal
Fri, Oct 3 - Mon, Oct 6
Vueling Logo
7:30 am - 9:10 amBCN-LHR
2h 40mnonstop
Vueling Logo
9:55 am - 1:05 pmLHR-BCN
2h 10mnonstop
$105Vueling
Find Deal
Wed, Oct 1 - Wed, Oct 8
British Airways Logo
6:40 am - 8:20 amBCN-LHR
2h 40mnonstop
British Airways Logo
8:05 am - 11:05 amLHR-BCN
2h 00mnonstop
$123British Airways
Find Deal
Sat, Nov 15 - Sun, Nov 16
British Airways Logo
6:40 am - 8:20 amBCN-LHR
2h 40mnonstop
British Airways Logo
7:20 pm - 10:35 pmLHR-BCN
2h 15mnonstop
$131British Airways
Find Deal
Tue, Jan 13 - Fri, Jan 16

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

Our best Vueling deals on Barcelona-El Prat Airport to London Heathrow Airport flight tickets
Vueling
Sep 9
BCN7:30 amBarcelona-El Prat
2h 40m
LHR9:10 amLondon Heathrow
Sep 30
LHR8:50 pmLondon Heathrow
2h 15m
BCN12:05 amBarcelona-El Prat
$89
Find similar
Vueling
Nov 8
BCN6:40 pmBarcelona-El Prat
2h 25m
LHR8:05 pmLondon Heathrow
Nov 11
LHR9:55 amLondon Heathrow
2h 10m
BCN1:05 pmBarcelona-El Prat
$94
Find similar
Vueling
Sep 30
BCN7:30 amBarcelona-El Prat
2h 40m
LHR9:10 amLondon Heathrow
Oct 7
LHR8:50 pmLondon Heathrow
2h 15m
BCN12:05 amBarcelona-El Prat
$96
Find similar

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

Our best British Airways deals on Barcelona-El Prat Airport to London Heathrow Airport flight tickets
British Airways
Nov 15
BCN6:40 amBarcelona-El Prat
2h 40m
LHR8:20 amLondon Heathrow
Nov 16
LHR8:05 amLondon Heathrow
2h 00m
BCN11:05 amBarcelona-El Prat
$123
Find similar
British Airways
Jan 13
BCN6:40 amBarcelona-El Prat
2h 40m
LHR8:20 amLondon Heathrow
Jan 16
LHR7:20 pmLondon Heathrow
2h 15m
BCN10:35 pmBarcelona-El Prat
$131
Find similar
British Airways
Dec 8
BCN9:00 pmBarcelona-El Prat
2h 20m
LHR10:20 pmLondon Heathrow
Dec 10
LHR7:20 amLondon Heathrow
2h 05m
BCN10:25 amBarcelona-El Prat
$132
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat Airport to London Heathrow 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 August 18, 2025.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Tue 9/9

7:30 am-9:10 am

Nonstop2h 40m

London Heathrow

Tue 9/30

8:50 pm-12:05 am

Nonstop2h 15m

$89

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Sat 11/8

6:40 pm-8:05 pm

Nonstop2h 25m

London Heathrow

Tue 11/11

9:55 am-1:05 pm

Nonstop2h 10m

$94

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Tue 9/30

7:30 am-9:10 am

Nonstop2h 40m

London Heathrow

Tue 10/7

8:50 pm-12:05 am

Nonstop2h 15m

$96

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Sun 11/9

7:30 am-9:10 am

Nonstop2h 40m

London Heathrow

Sat 11/15

8:50 pm-12:05 am

Nonstop2h 15m

$97

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Thu 9/18

7:30 am-9:10 am

Nonstop2h 40m

London Heathrow

Tue 9/23

8:50 pm-12:05 am

Nonstop2h 15m

$98

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Tue 11/11

7:30 am-9:10 am

Nonstop2h 40m

London Heathrow

Sun 11/16

9:55 am-1:05 pm

Nonstop2h 10m

$102

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Fri 10/3

7:30 am-9:10 am

Nonstop2h 40m

London Heathrow

Mon 10/6

8:50 pm-12:05 am

Nonstop2h 15m

$103

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Wed 10/1

7:30 am-9:10 am

Nonstop2h 40m

London Heathrow

Wed 10/8

9:55 am-1:05 pm

Nonstop2h 10m

$105

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Sat 11/15

6:40 am-8:20 am

Nonstop2h 40m

London Heathrow

Sun 11/16

8:05 am-11:05 am

Nonstop2h 00m

$123

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Tue 1/13

6:40 am-8:20 am

Nonstop2h 40m

London Heathrow

Fri 1/16

7:20 pm-10:35 pm

Nonstop2h 15m

$131

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 London from

How to get the cheapest flight ticket from Barcelona-El Prat Airport to London Heathrow 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 typical price of a round-trip flight between Barcelona-El Prat Airport and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of November is, on average, the cheapest month to fly to London Heathrow Airport from Barcelona-El Prat Airport, with most prices found around $122. If you’re not able to fly to London Heathrow Airport in November, then January is your next best option. Flight prices from Barcelona-El Prat Airport to London Heathrow Airport during January average around $127.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Friday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $286. The most expensive day to fly to London Heathrow Airport is Tuesday, with ticket prices averaging around $795.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Barcelona-El Prat Airport to London Heathrow Airport in the afternoon for as low as $271. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $797.

What is the cheapest Barcelona-El Prat to London Heathrow flight route?

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

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Barcelona-El Prat Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $167 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Barcelona-El Prat Airport for as low as $133 on momondo.

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

There are 4 cabin classes available to choose from on Barcelona-El Prat to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of August 2025, prices for Barcelona-El Prat Airport to London Heathrow Airport flights are approximately 22% cheaper when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$45

Fastest flight time

2h 15m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Barcelona-El Prat Airport in the past 72 hours is $45. The best round-trip flight deal from Barcelona-El Prat Airport to London Heathrow Airport found on momondo in the last 72 hours is $89.
The fastest flight from Barcelona-El Prat Airport to London Heathrow Airport takes 2h 15m
Direct flights go from Barcelona-El Prat Airport to London Heathrow Airport every day.
Search flight deals

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

    The distance between Barcelona-El Prat and London Heathrow is about 712.7 mi. In terms of flight time, this usually takes a little over 2h 20m.

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

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

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

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

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow 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 London Heathrow 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 Barcelona-El Prat Airport to London Heathrow Airport?

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

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

Compare and see reviews for airlines that fly from Barcelona-El Prat Airport to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
VuelingPriceFrom $77Free CancellationRating
7.1
1,179 reviews
Search Vueling flights
IberiaPriceFrom $123Free CancellationRating
7.0
2,884 reviews
Search Iberia flights
British AirwaysPriceFrom $124Free CancellationRating
6.6
7,277 reviews
Search British Airways flights

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

    Vueling flies from Barcelona-El Prat Airport to London Heathrow Airport around 14 times per week, with 1,179 momondo users rating the airline 7.1/10. The cheapest Vueling deal from Barcelona-El Prat Airport to London Heathrow Airport in the last 72 hours was $77 (round-trip), much lower than the average airfare cost of $151 for Vueling flights on this route.

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

    The best Iberia deal for Barcelona-El Prat Airport to London Heathrow Airport flight tickets found on momondo in the last 72 hours was $123, round-trip. It should be noted that an average Iberia flight deal for this route in this time was higher, at $203 round-trip. Iberia operates 28 flights out of Barcelona-El Prat Airport into London Heathrow Airport in an average week, so prices vary by time and availability. 2,884 Iberia reviews by users on momondo have scored the airline at 7.0/10.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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Guildford
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Stansted
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Folkestone
Stratford-upon-Avon
Watford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Barcelona to London. momondo saves you time and could save you money on your trip.

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

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

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

Once all potential Barcelona to London 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 Barcelona to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Barcelona to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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