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London to Dublin flights in December 2026 from $19 LCY, LGW, LHR, LTN, QQS, SEN, STN → DUB

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) → Dublin Airport (DUB)

For departures in December 2026, the cheapest return found recently is $49 with Ryanair, 7 Dec – 14 Dec, found 4 days ago. The cheapest one-way found recently is $19 with Ryanair, 10 Dec, found 3 days ago.

Return

In December 2026, the cheapest return fare on each of 7 departure dates is usually $47 to $62. Across all 26 departure dates we hold on this route, it is usually $49 to $75. Of the 4 months with enough return fares to compare, December 2026 is usually the cheapest.

Cheapest return found recently

$49

7 Dec – 14 Dec · Ryanair

Stansted Airport (STN) → Dublin Airport (DUB)

out nonstop, back nonstop

found 4 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$46

13 Dec – 20 Dec · Ryanair

Stansted Airport (STN) → Dublin Airport (DUB)

out nonstop, back nonstop

found 5 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
13 Dec – 20 Dec$46Ryanairout nonstop, back nonstopfound 5 days agoSee prices for these dates
5 Dec – 6 Dec$47Ryanairout nonstop, back nonstopfound 7 days agoSee prices for these dates
10 Dec – 15 Dec$47Ryanairout nonstop, back nonstopfound 5 days agoSee prices for these dates
7 Dec – 14 Dec$49Ryanairout nonstop, back nonstopfound 4 days agoSee prices for these dates
4 Dec – 6 Dec$59Ryanairout nonstop, back nonstopfound 5 days agoSee prices for these dates

Every date we hold

7 departure dates

4 Dec – 6 Dec: $59, found 5 days ago5 Dec – 6 Dec: $47, found 7 days ago7 Dec – 14 Dec: $49, found 4 days ago10 Dec – 15 Dec: $47, found 5 days ago11 Dec – 13 Dec: $64, found 4 days ago13 Dec – 20 Dec: $46, found 5 days ago24 Dec – 31 Dec: $66, found 5 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
4 Dec – 6 Dec$59RyanairStansted Airport (STN) → Dublin Airport (DUB)out nonstop, back nonstopfound 5 days agoSee prices for these dates
5 Dec – 6 Dec$47RyanairLondon Luton Airport (LTN) → Dublin Airport (DUB)out nonstop, back nonstopfound 7 days agoSee prices for these dates
7 Dec – 14 Dec$49RyanairStansted Airport (STN) → Dublin Airport (DUB)out nonstop, back nonstopfound 4 days agoSee prices for these dates
10 Dec – 15 Dec$47RyanairLondon Luton Airport (LTN) → Dublin Airport (DUB)out nonstop, back nonstopfound 5 days agoSee prices for these dates
11 Dec – 13 Dec$64RyanairStansted Airport (STN) → Dublin Airport (DUB)out nonstop, back nonstopfound 4 days agoSee prices for these dates
13 Dec – 20 Dec$46RyanairStansted Airport (STN) → Dublin Airport (DUB)out nonstop, back nonstopfound 5 days agoSee prices for these dates
24 Dec – 31 Dec$66RyanairStansted Airport (STN) → Dublin Airport (DUB)out nonstop, back nonstopfound 5 days agoSee prices for these dates

Which month looks cheapest?

January 2027 is the cheapest month — from $40.

November 2026From $4710 departure dates17 Nov – 24 Nov · found 5 days agoSee prices for these datesEvery date in November 2026
December 2026From $467 departure dates13 Dec – 20 Dec · found 5 days agoSee prices for these dates
January 2027From $40Cheapest seen3 departure dates30 Jan 2027 – 2 Feb 2027 · found 7 days agoSee prices for these dates
February 2027From $541 departure date23 Feb 2027 – 2 Mar 2027 · found 3 days agoSee prices for these dates
March 2027From $604 departure dates4 Mar 2027 – 15 Mar 2027 · found 8 days agoSee prices for these dates
May 2027From $681 departure date1 May 2027 – 7 May 2027 · found 3 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 6 departure dates is usually $21 to $24. Across all 27 departure dates we hold on this route, it is usually $23 to $47. Of the 4 months with enough one-way fares to compare, December 2026 is usually the cheapest.

Cheapest one-way found recently

$19

10 Dec · Ryanair

London Luton Airport (LTN) → Dublin Airport (DUB)

nonstop

found 3 days ago

Open this tripCheck today's price

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

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
10 Dec$19Ryanairnonstopfound 3 days agoOpen this trip
9 Dec$21Ryanairnonstopfound 8 days agoSee prices for these dates
12 Dec$22Ryanairnonstopfound 4 days agoOpen this trip
8 Dec$24Ryanairnonstopfound 6 days agoOpen this trip
26 Dec$24Ryanairnonstopfound 4 days agoOpen this trip

Every date we hold

6 departure dates

7 Dec: $27, found 6 days ago8 Dec: $24, found 6 days ago9 Dec: $21, found 8 days ago10 Dec: $19, found 3 days ago12 Dec: $22, found 4 days ago26 Dec: $24, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
7 Dec$27RyanairStansted Airport (STN) → Dublin Airport (DUB)nonstopfound 6 days agoOpen this trip
8 Dec$24RyanairStansted Airport (STN) → Dublin Airport (DUB)nonstopfound 6 days agoOpen this trip
9 Dec$21RyanairLondon Gatwick Airport (LGW) → Dublin Airport (DUB)nonstopfound 8 days agoSee prices for these dates
10 Dec$19RyanairLondon Luton Airport (LTN) → Dublin Airport (DUB)nonstopfound 3 days agoOpen this trip
12 Dec$22RyanairLondon Luton Airport (LTN) → Dublin Airport (DUB)nonstopfound 4 days agoOpen this trip
26 Dec$24RyanairLondon Gatwick Airport (LGW) → Dublin Airport (DUB)nonstopfound 4 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $19.

November 2026From $228 departure dates21 Nov · found 5 days agoOpen this tripEvery date in November 2026
December 2026From $19Cheapest seen6 departure dates10 Dec · found 3 days agoOpen this trip
January 2027From $213 departure dates13 Jan 2027 · found 4 days agoOpen this trip
February 2027From $321 departure date20 Feb 2027 · found 5 days agoOpen this trip
April 2027From $461 departure date1 Apr 2027 · found 3 days agoOpen this trip
May 2027From $411 departure date17 May 2027 · found 6 days agoOpen this trip
July 2027From $485 departure dates27 Jul 2027 · found 6 days agoOpen this trip
August 2027From $681 departure date17 Aug 2027 · found 5 days agoOpen this trip
October 2027From $511 departure date1 Oct 2027 · found 5 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