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London to Barcelona flights in December 2026 from $30 LCY, LGW, LHR, LTN, QQS, SEN, STN → BCN

London City Airport (LCY), London Gatwick Airport (LGW), London Heathrow Airport (LHR), London Luton Airport (LTN), St Pancras International RailSt (QQS), London Southend Airport (SEN), Stansted Airport (STN) → Barcelona-El Prat Airport (BCN)

For departures in December 2026, the cheapest return found recently is $30 with easyJet, 3 Dec – 10 Dec, found 3 days ago. The cheapest one-way found recently is $44 with Vueling, 5 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 20 departure dates is usually $50 to $105. Across all 48 departure dates we hold on this route, it is usually $56 to $105. Of the 5 months with enough return fares to compare, 1 is usually cheaper than December 2026.

Cheapest return found recently

$30

3 Dec – 10 Dec · easyJet

London Southend Airport (SEN) → Barcelona-El Prat Airport (BCN)

out nonstop, back nonstop

found 3 days ago

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
3 Dec – 10 Dec$30easyJetout nonstop, back nonstopfound 3 days agoSee prices for these dates
15 Dec – 22 Dec$34easyJetout nonstop, back nonstopfound 5 days agoSee prices for these dates
5 Dec – 12 Dec$40Ryanairout nonstop, back nonstopfound 3 days agoSee prices for these dates
2 Dec – 8 Dec$45Wizz Air UKout nonstop, back nonstopfound 7 days agoSee prices for these dates
12 Dec – 14 Dec$50easyJetout nonstop, back nonstopfound 4 days agoSee prices for these dates

Every date we hold

20 departure dates

1 Dec – 5 Dec: $71, found 7 days ago2 Dec – 8 Dec: $45, found 7 days ago3 Dec – 10 Dec: $30, found 3 days ago4 Dec – 7 Dec: $59, found 3 days ago5 Dec – 12 Dec: $40, found 3 days ago6 Dec – 7 Dec: $50, found 4 days ago8 Dec – 15 Dec: $129, found 4 days ago10 Dec – 17 Dec: $53, found 7 days ago11 Dec – 13 Dec: $53, found 5 days ago12 Dec – 14 Dec: $50, found 4 days ago15 Dec – 22 Dec: $34, found 5 days ago17 Dec – 19 Dec: $70, found 4 days ago19 Dec – 22 Dec: $86, found 7 days ago22 Dec – 26 Dec: $106, found 4 days ago23 Dec – 31 Dec: $104, found 6 days ago25 Dec – 28 Dec: $106, found 5 days ago26 Dec – 28 Dec: $102, found 4 days ago27 Dec – 29 Dec: $119, found 4 days ago29 Dec – 6 Jan 2027: $61, found 4 days ago30 Dec – 2 Jan 2027: $210, found 6 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 5 Dec$71RyanairStansted Airport (STN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 7 days agoSee prices for these dates
2 Dec – 8 Dec$45Wizz Air UKLondon Luton Airport (LTN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 7 days agoSee prices for these dates
3 Dec – 10 Dec$30easyJetLondon Southend Airport (SEN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
4 Dec – 7 Dec$59easyJetLondon Luton Airport (LTN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
5 Dec – 12 Dec$40RyanairStansted Airport (STN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
6 Dec – 7 Dec$50easyJetLondon Gatwick Airport (LGW) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
8 Dec – 15 Dec$129Wizz Air UKLondon Luton Airport (LTN) → Barcelona-El Prat Airport (BCN)out 2 stops, back nonstopfound 4 days agoSee prices for these dates
10 Dec – 17 Dec$53easyJetLondon Southend Airport (SEN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 7 days agoSee prices for these dates
11 Dec – 13 Dec$53easyJetLondon Luton Airport (LTN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
12 Dec – 14 Dec$50easyJetLondon Gatwick Airport (LGW) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
15 Dec – 22 Dec$34easyJetLondon Southend Airport (SEN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
17 Dec – 19 Dec$70Wizz Air UKLondon Luton Airport (LTN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
19 Dec – 22 Dec$86RyanairStansted Airport (STN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 7 days agoSee prices for these dates
22 Dec – 26 Dec$106RyanairStansted Airport (STN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
23 Dec – 31 Dec$104Wizz Air UKLondon Luton Airport (LTN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
25 Dec – 28 Dec$106VuelingLondon Gatwick Airport (LGW) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
26 Dec – 28 Dec$102RyanairLondon Luton Airport (LTN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
27 Dec – 29 Dec$119RyanairStansted Airport (STN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
29 Dec – 6 Jan 2027$61VuelingLondon Luton Airport (LTN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
30 Dec – 2 Jan 2027$210easyJetLondon Luton Airport (LTN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 6 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $30.

November 2026From $607 departure dates29 Nov – 30 Nov · found 6 days agoSee prices for these datesEvery date in November 2026
December 2026From $30Cheapest seen20 departure dates3 Dec – 10 Dec · found 3 days agoSee prices for these dates
January 2027From $478 departure dates14 Jan 2027 – 18 Jan 2027 · found 3 days agoSee prices for these datesEvery date in January 2027
February 2027From $562 departure dates7 Feb 2027 – 14 Feb 2027 · found 2 days agoSee prices for these dates
March 2027From $961 departure date20 Mar 2027 – 25 Mar 2027 · found 4 days agoSee prices for these dates
May 2027From $893 departure dates15 May 2027 – 18 May 2027 · found 4 days agoSee prices for these dates
June 2027From $1184 departure dates16 Jun 2027 – 22 Jun 2027 · found 3 days agoSee prices for these dates
September 2027From $602 departure dates5 Sept 2027 – 9 Sept 2027 · found 6 days agoSee prices for these dates
October 2027From $1141 departure date11 Oct 2027 – 11 Oct 2027 · found 2 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 12 departure dates is usually $32 to $51. Across all 29 departure dates we hold on this route, it is usually $31 to $53. Of the 4 months with enough one-way fares to compare, 2 are usually cheaper than December 2026.

Cheapest one-way found recently

$44

5 Dec · Vueling

London Heathrow Airport (LHR) → Barcelona-El Prat Airport (BCN)

nonstop

found 2 days ago

Open this tripCheck today's price

Cheapest we hold, of any age

$23

3 Dec · easyJet

London Southend Airport (SEN) → Barcelona-El Prat Airport (BCN)

nonstop

found 3 days ago

Open this tripCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
3 Dec$23easyJetnonstopfound 3 days agoOpen this trip
1 Dec$23Ryanairnonstopfound 3 days agoOpen this trip
4 Dec$30Ryanairnonstopfound 7 days agoOpen this trip
13 Dec$32Wizz Air UKnonstopfound 4 days agoOpen this trip
11 Dec$33Ryanairnonstopfound 6 days agoOpen this trip

Every date we hold

12 departure dates

1 Dec: $23, found 3 days ago2 Dec: $50, found 7 days ago3 Dec: $23, found 3 days ago4 Dec: $30, found 7 days ago5 Dec: $44, found 2 days ago6 Dec: $55, found 6 days ago11 Dec: $33, found 6 days ago12 Dec: $53, found 2 days ago13 Dec: $32, found 4 days ago14 Dec: $34, found 3 days ago19 Dec: $95, found 2 days ago31 Dec: $48, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec$23RyanairStansted Airport (STN) → Barcelona-El Prat Airport (BCN)nonstopfound 3 days agoOpen this trip
2 Dec$50VuelingLondon Heathrow Airport (LHR) → Barcelona-El Prat Airport (BCN)nonstopfound 7 days agoOpen this trip
3 Dec$23easyJetLondon Southend Airport (SEN) → Barcelona-El Prat Airport (BCN)nonstopfound 3 days agoOpen this trip
4 Dec$30RyanairLondon Luton Airport (LTN) → Barcelona-El Prat Airport (BCN)nonstopfound 7 days agoOpen this trip
5 Dec$44VuelingLondon Heathrow Airport (LHR) → Barcelona-El Prat Airport (BCN)nonstopfound 2 days agoOpen this trip
6 Dec$55VuelingLondon Heathrow Airport (LHR) → Barcelona-El Prat Airport (BCN)nonstopfound 6 days agoOpen this trip
11 Dec$33RyanairLondon Luton Airport (LTN) → Barcelona-El Prat Airport (BCN)nonstopfound 6 days agoOpen this trip
12 Dec$53VuelingLondon Heathrow Airport (LHR) → Barcelona-El Prat Airport (BCN)nonstopfound 2 days agoOpen this trip
13 Dec$32Wizz Air UKLondon Luton Airport (LTN) → Barcelona-El Prat Airport (BCN)nonstopfound 4 days agoOpen this trip
14 Dec$34easyJetLondon Gatwick Airport (LGW) → Barcelona-El Prat Airport (BCN)nonstopfound 3 days agoOpen this trip
19 Dec$95VuelingLondon Heathrow Airport (LHR) → Barcelona-El Prat Airport (BCN)nonstopfound 2 days agoOpen this trip
31 Dec$48VuelingLondon Heathrow Airport (LHR) → Barcelona-El Prat Airport (BCN)nonstopfound 4 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $23.

November 2026From $316 departure dates30 Nov · found 4 days agoOpen this tripEvery date in November 2026
December 2026From $23Cheapest seen12 departure dates3 Dec · found 3 days agoOpen this trip
January 2027From $275 departure dates21 Jan 2027 · found 3 days agoOpen this tripEvery date in January 2027
February 2027From $372 departure dates8 Feb 2027 · found 2 days agoOpen this trip
March 2027From $273 departure dates17 Mar 2027 · found 5 days agoOpen this trip
June 2027From $411 departure date21 Jun 2027 · found 7 days agoOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work