Cheap flights from London Heathrow to Dublin (LHR–DUB)

LHRLondon Heathrow Airport
United Kingdom
DUBDublin Airport
Ireland

Aer Lingus and British Airways fly London Heathrow to Dublin (LHR–DUB) nonstop and back, a great-circle distance of 449 km (279 mi).

From
LHR
London Heathrow
To
DUB
Dublin
Nonstop
Yes · 2 airlines
Airlines
EI · BA
Cheapest fare found
£44 one-way
Distance
449 km (279 mi)
Most flights
Aer Lingus
Time in the air
47 min · 52 min back
On time (Touchdown Index)
79.7%
Flights a week
EI ~83 · BA ~37
Aircraft seen
Airbus A320neo · Airbus A320 · Airbus A319

Data from the sources listed, updated:· How we verify

London Heathrow to Dublin fares by month

Cheapest one-way fare found: £44 for November 2026 on Aer Lingus, nonstop. Nonstop from £44.

  1. Oct ’26£55
  2. Nov ’26£44
  3. Dec ’26£53
  4. Jan ’27£47
  5. Feb ’27£59
  6. Jun ’27£59

Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.

When to fly LHR–DUB

For London Heathrow (LHR) to Dublin (DUB), November 2026 had the lowest fare found (£44). Days in Dublin average 18–28 °C in June, July and August.

London Heathrow to Dublin: frequently asked questions

Fares: Aviasales price cache, 11 October 2026; tracked flights between 6 September and 3 October 2026, from public ADS-B data.

How much is a flight from London Heathrow (LHR) to Dublin (DUB)?

From £44 one-way, the cheapest fare found for November 2026 on Aer Lingus, nonstop; nonstop from £44 (found 11 October 2026).

How long is the LHR–DUB flight?

47 min wheels-up to wheels-down, the median of 483 tracked flights; DUB–LHR took 52 min.

Which airlines fly LHR–DUB direct?

Aer Lingus and British Airways.

What is the cheapest month to fly LHR–DUB?

November 2026, at £44; the dearest month found was £59.

What is the time difference between London Heathrow and Dublin?

None: London Heathrow and Dublin keep the same time.

Is LHR–DUB usually on time?

79.7% of 932 LHR–DUB flights landed within 15 minutes of their usual time; 3.2% were over an hour late.

How many LHR–DUB flights a week?

Aer Lingus 83 and British Airways 37 each way.

What aircraft fly LHR–DUB?

Airbus A320neo, Airbus A320 and Airbus A319.

Dublin to London Heathrow: the return flight (DUB–LHR)

All 2 airlines also fly DUB–LHR nonstop.

The return takes 52 min in the air (median of 480 tracked flights).

Airlines flying LHR–DUB nonstop

AirlineUsually takes off (LHR time)TypeAlliance
Aer Lingus EI09:03–20:53hybrid—
British Airways BA06:41–18:34full-serviceoneworld

LHR–DUB route map

Great-circle distance 449 km (279 mi). Illustrative route, not an actual flight track.

More from London Heathrow and Dublin

Explore the airlines’ route maps

Plan your arrival at Dublin Airport (DUB)

Departure

London Heathrow Airport

Heathrow (LHR), London. In our data, 81 airlines fly nonstop from LHR to 213 destinations.

View LHR airport guide →

Arrival

Dublin Airport

3 ways into Dublin, fastest from 25 min:

  • Dublin Express 25–45 min
  • Dublin Bus 16 / 41 40 min–1h
  • Taxi (meter) 25–50 min
Full DUB transport guide →

Weather in Dublin vs London Heathrow

Dublin is warmer than London Heathrow in 0 months and cooler in 8; the biggest gap is in June (18°C against 22°C). In October it averages 14°C in Dublin and 16°C in London Heathrow.

Average daily high and low temperature in Dublin, °C
JanFebMarAprMayJunJulAugSepOctNovDec
Dublin9°9°11°13°15°18°20°20°17°14°11°9°
London Heathrow9°9°12°16°19°22°24°23°21°16°12°9°

Average daily highs. Climate normals from Dublin and Climate of London (Wikipedia, CC BY-SA), which cite the national weather services.

Other nonstop airport pairs, London to Dublin

London and Dublin are connected nonstop from more than one airport. Compare the pairs by airline count:

Onward from Dublin

Places you can't fly to nonstop from LHR, but can from DUB — for a stopover or a second leg.

Related routes

Sources

  • en.wikipedia.org — airlines and destinations, checked 2026-10-01
  • en.wikipedia.org — airlines and destinations, checked 2026-10-01
  • en.wikipedia.org — Aer Lingus routes from Dublin (airlines and destinations table, checked 2026-09-25)
  • aerlingus.com — Dublin–UK routes; Aer Lingus Regional flights operated by Emerald Airlines
  • en.wikipedia.org — current destination list, cross-checked 2026-09-25 (terminated routes removed)
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • mediacentre.britishairways.com — Gatwick–Bangkok year-round from 2026
  • en.wikipedia.org — current destination list, cross-checked 2026-09-25 (terminated routes removed)
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
  • en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01

Flight tracking: adsb.lol community ADS-B data (CC0), 6 September – 3 October 2026. Times are median wheels-up to wheels-down; add taxiing for gate-to-gate.

Report a change — seen something different at the airport or on the airline's site? We re-check and log corrections publicly.