Cheap Flights from London to Dublin
Compare indicative cheapest fares from London (LHR) to Dublin (DUB) — currently from £54. Check airlines, flight times and the cheapest days to fly, then book with our travel partner.
Search live London → Dublin faresFares from
£54
Fastest trip
1h 20m
Airlines
2+ carriers
Cheapest London to Dublin fares right now
Fares are indicative (updated periodically) and confirmed on our partner’s site. We may earn a commission when you book through our links, at no extra cost to you.
Airlines flying London to Dublin
On the London to Dublin route you will typically find fares from EI, British Airways. Comparing a few carriers is the surest way to catch the cheapest flights, since the lowest fare shifts between airlines by the day.
Tips for the cheapest London–Dublin fare
- • Fly mid-week — Tuesday and Wednesday departures are usually cheapest.
- • Our data shows lower fares around October — target that window if you can.
- • Book a few weeks to two months ahead rather than last-minute.
- • Set a price alert and compare non-stop vs one-stop options.
London to Dublin flights — FAQs
How much is a cheap flight from London to Dublin?
Indicative fares from London to Dublin start from around £54 one-way. Prices change with the season and how far ahead you book — the cheapest deals we have on record for London (LHR) to Dublin (DUB) currently sit near £54.
Which airlines fly from London to Dublin?
Carriers offering fares on the London to Dublin route include EI, British Airways. Availability changes daily, so compare the live options below before you book.
How long is the flight from London to Dublin?
The quickest itineraries we see on London to Dublin take about 1h 20m, and non-stop flights are available on this route. Times vary by airline and number of stops.
When is the cheapest time to fly from London to Dublin?
Our data currently shows the lowest London–Dublin fares around October. As a rule, mid-week departures (Tuesday and Wednesday) and booking a few weeks to a couple of months ahead give you the cheapest flights on this route. Set a price alert and stay flexible on dates to save the most.
Where can I book cheap flights from London to Dublin?
Compare the indicative cheapest fares below, then tap "Book" to complete your London to Dublin booking on our trusted travel partner's site. Fares shown are indicative and confirmed at checkout.
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Written by Divyesh Gajjar, Founder of ConfirmYatra.