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Compare live fares and the latest deals on flights to Ireland. Search below, pick a city, or grab one of our hand-picked offers.
Flights from
£465
iDiscover the best prices by selecting your travel dates.
British Airways
BA 0838
→ Outbound · 25 Oct
LHR
London Heathrow
DUB
Ireland
6:20 PM
25 Oct
1h 20m
Direct
7:40 PM
25 Oct
← Return · 4 Nov
DUB
Dublin
LHR
London Heathrow
8:40 PM
4 Nov
1h 20m
Direct
10:00 PM
4 Nov
from
£90
Return · per adult
British Airways
BA 0824
→ Outbound · 12 Oct
LHR
London Heathrow
DUB
Ireland
6:20 AM
12 Oct
1h 25m
Direct
7:45 AM
12 Oct
← Return · 22 Oct
DUB
Dublin
LHR
London Heathrow
8:35 AM
22 Oct
1h 35m
Direct
10:10 AM
22 Oct
from
£96
Return · per adult
British Airways
BA 0834
→ Outbound · 16 Sep
LHR
London Heathrow
DUB
Ireland
6:05 PM
16 Sep
1h 25m
Direct
7:30 PM
16 Sep
← Return · 26 Sep
DUB
Dublin
LHR
London Heathrow
8:15 PM
26 Sep
1h 15m
Direct
9:30 PM
26 Sep
from
£120
Return · per adult
Aer Lingus
EI 163
→ Outbound · 29 Sep
LHR
London Heathrow
DUB
Ireland
1:25 PM
29 Sep
1h 25m
Direct
2:50 PM
29 Sep
← Return · 9 Oct
DUB
Dublin
LCY
London City
8:10 PM
9 Oct
1h 25m
Direct
9:35 PM
9 Oct
from
£158
Return · per adult
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We hope you love your trip to Ireland!
Data-powered insights to help you find the cheapest flights, the best time to fly and much more.
Live insights for Ireland are still being compiled (4/37) — more charts appear as data arrives.
Return flights from London to Ireland typically cost between £90 and £137 in August, though fares move with demand, season and how early you book. The lowest fare our search found recently was £90 — a great price and well below the usual range, so a price near this is worth grabbing. Keeping your dates flexible and comparing nearby days is the easiest way to land at the cheaper end.
Flights to Ireland are generally cheapest departing in the morning, with fares from around £90. Departures in midday tend to cost more (about £101), as those slots are more convenient and in higher demand. Picking an off-peak departure time is a simple way to trim the price without changing your dates.
The cheapest month to fly from London to Ireland is typically October, with return economy fares from £90. Fares are usually highest in September (around £137). Figures are indicative, from sampled live fares, and change with demand.
Cheapest sampled return economy fare, London to Ireland, per month (gaps estimated). Search live for exact prices.
Are your dates flexible? These are the ideal times to fly to Ireland based on our flight data — find the cheapest days for a 7-day trip.
Sarah Thompson
Expert on British Airways
Sarah Thompson specialises in British Airways travel, helping customers choose the right routes, schedules, and flight options. With a focus on smooth and stress-free journeys, she makes planning international travel simple and convenient.
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Your allowance to Ireland depends on the airline and the fare you book. The table below shows typical long-haul allowances so you know roughly what to expect — always confirm the exact limits with your airline before you fly.
| Fare type | Hand baggage | Checked baggage |
|---|---|---|
| Basic / Light economy | 1 small under-seat bag | Usually none — add for a fee |
| Standard economy | 1 cabin bag + 1 personal item | Typically 1 × 23 kg |
| Premium economy | 1–2 cabin bags + personal item | Typically 2 × 23 kg |
| Business / First | 2 cabin bags + personal item | Typically 2 × 32 kg |
Indicative only. Allowances vary by airline, route and fare — always check your airline's baggage policy.
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