From €41 return per person · cheapest departure 27 Nov
In short: The cheapest return flight from London to Dublin we found costs €41 per person (departure 27 Nov, Ryanair, nonstop, 1 h 20 min). Prices by departure week range from €41 to €200; the typical price is €85. Source: Google Flights, updated 29 October 2026.
When is it cheapest to fly?
Cheapest: departure 27 Nov · €41 return, per person Most expensive: 25 Dec · €200. Booking the cheapest week saves up to 80 %. Cheapest return fare per person for a departure each week (trips of 7–7 days), economy class. Prices from Google Flights, read weekly; they change daily.
Cheapest departure
💰27 Nov – 4 Dec€41Ryanair · nonstop · 1 h 20 min · return, per person