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Find cheap KLM flights to Barcelona-El Prat Airport

SEA — BCN
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags

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Cheapest KLM flights from United Kingdom to Barcelona-El Prat
Explore the most affordable KLM flight options available from United Kingdom to Barcelona-El Prat. Find the lowest fares with prices last updated on 27 July 2026.

Sat 22/818:35
LHR
-
BCN
1 stop13h 10m
KLM
Sat 5/906:20
BCN
-
LHR
1 stop5h 25m
KLM
Deal found 25/7£161
Mon 31/820:55
LHR
-
BCN
1 stop10h 50m
KLM
Sun 6/906:20
BCN
-
LHR
1 stop14h 10m
KLM
Deal found 22/7£161
Sat 29/806:30
LHR
-
BCN
1 stop15h 15m
KLM
Wed 2/906:20
BCN
-
LHR
1 stop26h 20m
KLM
Deal found 25/7£163

Flights to Barcelona-El Prat Airport with KLM at a glance

Find detailed information about KLM flights from United Kingdom to Barcelona-El Prat. Explore the options provided by KLM to plan your journey from United Kingdom to Barcelona-El Prat. Data last updated 27 July 2026.

Popular in

July

Cheapest in

November

Average price

£253

Return from

£149

One-way from

£92
Highest demand for flights to Barcelona-El Prat Airport with KLM; 5% potential price increase.
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Best time to find cheap flights to Barcelona-El Prat Airport with KLM; 1% potential price drop.
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Average price for flights to Barcelona-El Prat Airport with KLM (return).
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KLM
  • KLM
  • 5/9-8/9
  • 2 total stops
  • 15h 25m total
  • United Kingdom to Barcelona
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KLM
  • KLM
  • 6/9
  • 1 total stop
  • 24h 50m total
  • United Kingdom to Barcelona
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Cheapflights Insights

Find cheap KLM flights to Barcelona-El Prat Airport

How long is the flight to Barcelona-El Prat Airport with KLM?

On average, KLM flights from the United Kingdom to Barcelona-El Prat Airport take 2 hours 17 minutes. Flights to Barcelona-El Prat Airport from other popular cities in the United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

FAQs about flights to Barcelona-El Prat Airport with KLM

  • Which airport do KLM flights arrive at when travelling to Barcelona-El Prat Airport?

    KLM flights on this route tend to land at Barcelona-El Prat Airport.

  • Is KLM the cheapest airline for a flight to Barcelona-El Prat Airport?

    Flight prices will depend on factors like date, time, and cabin class, so it is worth comparing flights before booking. Based on Cheapflights data, the cheapest average return price for flights to Barcelona-El Prat Airport tends to be with Ryanair.

  • Are there alternative airlines other than KLM that fly to Barcelona-El Prat Airport?

    Ryanair, Vueling and easyJet all fly to Barcelona-El Prat Airport and offer an alternative to KLM.

  • How much is a KLM flight to Barcelona-El Prat Airport?

    The average price for a return flight with KLM is £266, while a one-way flight costs around £168.

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Reviews of KLM

See what Cheapflights users have to say about their KLM experience.
KLM
7.8
Good
1,550 reviews
Check prices
Overview

Food

7.3

Entertainment

7.2

Crew

8.4

Boarding

7.8

Comfort

7.7

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