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London to Madrid flights in December 2026 from $22 LCY, LGW, LHR, LTN, SEN, STN → MAD

London City Airport (LCY), London Gatwick Airport (LGW), London Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN), Stansted Airport (STN) → Adolfo Suarez Madrid-Barajas Airport (MAD)

For departures in December 2026, the cheapest return found recently is $94 with Ryanair, 17 Dec – 28 Dec, found 3 days ago. The cheapest one-way found recently is $22 with Ryanair, 3 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 12 departure dates is usually $104 to $208. Across all 29 departure dates we hold on this route, it is usually $70 to $134. Of the 3 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$94

17 Dec – 28 Dec · Ryanair

London Gatwick Airport (LGW) → Adolfo Suarez Madrid-Barajas Airport (MAD)

out 1 stop, back nonstop

found 3 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$86

16 Dec – 27 Dec · Wizz Air UK

London Luton Airport (LTN) → Adolfo Suarez Madrid-Barajas Airport (MAD)

out nonstop, back nonstop

found 8 days ago

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
16 Dec – 27 Dec$86Wizz Air UKout nonstop, back nonstopfound 8 days agoSee prices for these dates
21 Dec – 24 Dec$93Ryanairout 1 stop, back nonstopfound 6 days agoSee prices for these dates
17 Dec – 28 Dec$94Ryanairout 1 stop, back nonstopfound 3 days agoSee prices for these dates
26 Dec – 28 Dec$107Ryanairout nonstop, back nonstopfound 6 days agoSee prices for these dates
30 Dec – 9 Jan 2027$125Wizz Air UKout nonstop, back nonstopfound 4 days agoSee prices for these dates

Every date we hold

12 departure dates

10 Dec – 15 Dec: $234, found 5 days ago11 Dec – 2 Jan 2027: $197, found 4 days ago16 Dec – 27 Dec: $86, found 8 days ago17 Dec – 28 Dec: $94, found 3 days ago18 Dec – 3 Jan 2027: $208, found 5 days ago19 Dec – 2 Jan 2027: $220, found 5 days ago20 Dec – 28 Dec: $134, found 4 days ago21 Dec – 24 Dec: $93, found 6 days ago22 Dec – 8 Jan 2027: $130, found 7 days ago24 Dec – 5 Jan 2027: $208, found 7 days ago26 Dec – 28 Dec: $107, found 6 days ago30 Dec – 9 Jan 2027: $125, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
10 Dec – 15 Dec$234easyJetLondon Southend Airport (SEN) → Adolfo Suarez Madrid-Barajas Airport (MAD)out 1 stop, back 2 stopsfound 5 days agoSee prices for these dates
11 Dec – 2 Jan 2027$197IberiaLondon Heathrow Airport (LHR) → Adolfo Suarez Madrid-Barajas Airport (MAD)out nonstop, back nonstopfound 4 days agoSee prices for these dates
16 Dec – 27 Dec$86Wizz Air UKLondon Luton Airport (LTN) → Adolfo Suarez Madrid-Barajas Airport (MAD)out nonstop, back nonstopfound 8 days agoSee prices for these dates
17 Dec – 28 Dec$94RyanairLondon Gatwick Airport (LGW) → Adolfo Suarez Madrid-Barajas Airport (MAD)out 1 stop, back nonstopfound 3 days agoSee prices for these dates
18 Dec – 3 Jan 2027$208RyanairStansted Airport (STN) → Adolfo Suarez Madrid-Barajas Airport (MAD)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
19 Dec – 2 Jan 2027$220VuelingLondon Heathrow Airport (LHR) → Adolfo Suarez Madrid-Barajas Airport (MAD)out nonstop, back nonstopfound 5 days agoSee prices for these dates
20 Dec – 28 Dec$134RyanairStansted Airport (STN) → Adolfo Suarez Madrid-Barajas Airport (MAD)out 1 stop, back nonstopfound 4 days agoSee prices for these dates
21 Dec – 24 Dec$93RyanairStansted Airport (STN) → Adolfo Suarez Madrid-Barajas Airport (MAD)out 1 stop, back nonstopfound 6 days agoSee prices for these dates
22 Dec – 8 Jan 2027$130Wizz Air UKLondon Luton Airport (LTN) → Adolfo Suarez Madrid-Barajas Airport (MAD)out 1 stop, back nonstopfound 7 days agoSee prices for these dates
24 Dec – 5 Jan 2027$208Wizz Air MaltaLondon Luton Airport (LTN) → Adolfo Suarez Madrid-Barajas Airport (MAD)out nonstop, back 2 stopsfound 7 days agoSee prices for these dates
26 Dec – 28 Dec$107RyanairStansted Airport (STN) → Adolfo Suarez Madrid-Barajas Airport (MAD)out nonstop, back nonstopfound 6 days agoSee prices for these dates
30 Dec – 9 Jan 2027$125Wizz Air UKLondon Luton Airport (LTN) → Adolfo Suarez Madrid-Barajas Airport (MAD)out nonstop, back nonstopfound 4 days agoSee prices for these dates

Which month looks cheapest?

January 2027 is the cheapest month — from $41.

November 2026From $656 departure dates19 Nov – 21 Nov · found 3 days agoSee prices for these dates
December 2026From $8612 departure dates16 Dec – 27 Dec · found 8 days agoSee prices for these dates
January 2027From $41Cheapest seen7 departure dates16 Jan 2027 – 17 Jan 2027 · found 2 days agoSee prices for these datesEvery date in January 2027
February 2027From $1041 departure date13 Feb 2027 – 15 Feb 2027 · found 8 days agoSee prices for these dates
March 2027From $622 departure dates6 Mar 2027 – 13 Mar 2027 · found 4 days agoSee prices for these dates
May 2027From $811 departure date21 May 2027 – 28 May 2027 · found 6 days agoSee prices for these dates

One-way

We hold one-way fares on only 2 departure dates in December 2026, too few to say what one usually costs.

Cheapest one-way found recently

$22

3 Dec · Ryanair

Stansted Airport (STN) → Adolfo Suarez Madrid-Barajas Airport (MAD)

nonstop

found 2 days ago

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It is also the cheapest one-way we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
3 Dec$22Ryanairnonstopfound 2 days agoOpen this trip
15 Dec$30Wizz Air UKnonstopfound 4 days agoOpen this trip

Every date we hold

2 departure dates

3 Dec: $22, found 2 days ago15 Dec: $30, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Dec$22RyanairStansted Airport (STN) → Adolfo Suarez Madrid-Barajas Airport (MAD)nonstopfound 2 days agoOpen this trip
15 Dec$30Wizz Air UKLondon Luton Airport (LTN) → Adolfo Suarez Madrid-Barajas Airport (MAD)nonstopfound 4 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $22.

November 2026From $392 departure dates18 Nov · found 5 days agoOpen this trip
December 2026From $22Cheapest seen2 departure dates3 Dec · found 2 days agoOpen this trip
January 2027From $256 departure dates1 Jan 2027 · found 3 days agoOpen this tripEvery date in January 2027
March 2027From $303 departure dates3 Mar 2027 · found 8 days agoSee prices for these dates
April 2027From $481 departure date4 Apr 2027 · found 7 days agoOpen this trip
May 2027From $351 departure date4 May 2027 · found 6 days agoOpen this trip
August 2027From $331 departure date18 Aug 2027 · found 6 days agoOpen this trip
September 2027From $581 departure date26 Sept 2027 · found 2 days agoOpen this trip
October 2027From $361 departure date5 Oct 2027 · found 4 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