Cheap flights from London to Dublin

from as little as £111

22 nights in Dublin, departing London City Airport on 22 / Mar / 2026 with British Airways (price found 40 hours ago)

Subject to availability, prices correct of the last 24 hours
Dublin

The London / Dublin route

All 484 km of it

Cheap flight deals for this route

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Dublin flight facts

What you need to know

Alternative flights from the UK to Dublin

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Dublin

Today alone, Netflights has searched over ten flights. 22 / Mar / 2026 is currently the lowest priced day of the year to fly the London/Dublin route. There are around 30 flights on any given week from the UK to Dublin and the cheapest month to fly right now is March.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

2 °C

AVG

9 °C

HIGHEST

18 °C

Rainfall (mm)
LOWEST

49 mm

AVG

61.2 mm

HIGHEST

75 mm

Key facts about Dublin

How to get cheap flights from London to Dublin

Tips and advice from our flight experts

Book cheap flights from London to Dublin with Netflights. We scan all 30 of the weekly flights going via Dublin, so that you can compare them in one place. If you can’t find what you’re looking for, simply adjust the filters to widen your search.

Generally, London City Airport (LCY) is the most popular choice for flights to Dublin. And the most popular airlines are Aer Lingus, Aer Lingus & Iberia Airlines. But when you fly is just as important as who you fly with. If you're flexible on dates, try searching by month to see when the cheapest flights are.

Last-minute deals can be cheaper, but it's risky. It's best to book flights to Dublin in advance to avoid disappointment. British Airways usually have the lowest prices, so keep an eye out for their flights. Flights from London to Dublin generally take about 3 hrs 30 mins.

Today alone, we’ve scanned ten flights worldwide to bring you the best flight deals in one place. Did you know you can also compare car hire and hotel prices in Republic of Ireland with Netflights? Take a look to get an idea of prices in Dublin.

Other popular destinations near Dublin

Where other people are flying to

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