Cheap Flights from Ireland to Heathrow from £7

How to find the cheapest flight from
Ireland to Heathrow (LHR)

All the information you need to plan the best null to LHR flight in 2021: compare Ireland to Heathrow flight prices with the expected peak season, weather and rainfall in Heathrow.

How far in advance should I book a flight from Ireland to London Heathrow Airport?

Users have found that booking a flight from Ireland to London Heathrow Airport at least 54 days early can save you up to 97% on average compared to booking a flight this week. If booking 54 days before your flight isn’t an option for you, users have found flights from Ireland to London Heathrow Airport for as little as £80 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £107 for flights departing within the next 3 days.

What is the cheapest month to fly from Ireland to London Heathrow Airport?

The best pricing can be found in the month of August. Prices to London Heathrow Airport from Ireland average £64. You can even find prices in August for less than £64, as users have found deals to London Heathrow Airport from as low as £25. The month of December appears to be one of the more expensive times to travel to London Heathrow Airport from Ireland. Flying in the targeted month can save you up to 26%.

When is the cheapest time to fly from Ireland to London Heathrow Airport (IE0 - LHR)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to London Heathrow Airport as you normally would.

Cheap flights from Ireland to Heathrow in September, October 2021

The best prices found for Ireland to LHR flights in September, October

14 Oct - 19 Oct

£51pp

DUB

Dublin

British Airways

Direct

LHR

London Heathrow

LHR

London Heathrow

British Airways

Direct

DUB

Dublin

13 Oct - 14 Oct

£53pp

DUB

Dublin

British Airways

Direct

LHR

London Heathrow

LHR

London Heathrow

British Airways

Direct

DUB

Dublin

15 Oct - 18 Oct

£55pp

DUB

Dublin

British Airways

Direct

LHR

London Heathrow

LHR

London Heathrow

British Airways

Direct

DUB

Dublin

Ireland to Heathrow 2021 flight deals

Cheap flights to Heathrow from Ireland found for this year

19 Dec - 22 Jan

£46pp

DUB

Dublin

British Airways

Direct

LHR

London Heathrow

LHR

London Heathrow

British Airways

Direct

DUB

Dublin

19 Dec - 22 Jan

£47pp

DUB

Dublin

British Airways

Direct

LHR

London Heathrow

LHR

London Heathrow

British Airways

Direct

DUB

Dublin

14 Oct - 19 Oct

£51pp

DUB

Dublin

British Airways

Direct

LHR

London Heathrow

LHR

London Heathrow

British Airways

Direct

DUB

Dublin

Direct flights to Heathrow from Ireland

Save time with Ireland to Heathrow direct flight deals

8 Feb - 15 Feb

£44pp

DUB

Dublin

British Airways

Direct

LHR

London Heathrow

LHR

London Heathrow

British Airways

Direct

DUB

Dublin

19 Dec - 22 Jan

£46pp

DUB

Dublin

British Airways

Direct

LHR

London Heathrow

LHR

London Heathrow

British Airways

Direct

DUB

Dublin

19 Dec - 22 Jan

£47pp

DUB

Dublin

British Airways

Direct

LHR

London Heathrow

LHR

London Heathrow

British Airways

Direct

DUB

Dublin

Last-minute flights from Ireland to Heathrow

Late deals on return flights to Heathrow from Ireland, departing today and this week

22 Sep - 8 Nov

£67pp

DUB

Dublin

British Airways

Direct

LHR

London Heathrow

LHR

London Heathrow

British Airways

Direct

DUB

Dublin

21 Sep - 9 Oct

£70pp

DUB

Dublin

British Airways

Direct

LHR

London Heathrow

LHR

London Heathrow

British Airways

Direct

DUB

Dublin

23 Sep - 28 Sep

£72pp

DUB

Dublin

British Airways

Direct

LHR

London Heathrow

LHR

London Heathrow

British Airways

Direct

DUB

Dublin

One-way flights to Heathrow from Ireland

The cheapest one-way flights from Ireland to Heathrow

16:40 - 17:55

British Airways

Direct

1h 15m

DUB - LHR

£7

14:10 - 15:30

British Airways

Direct

1h 20m

DUB - LHR

£9

13:20 - 14:45

British Airways

Direct

1h 25m

DUB - LHR

£12

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ireland</span> to <span class="emphasized">Heathrow</span> flights.

Flight FAQs

From Ireland to Heathrow

Which airlines flying from Ireland to London Heathrow have flexible cancellations due to COVID-19?

British Airways, Aer Lingus, and Ryanair are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Are flight prices decreasing from Ireland to London Heathrow Airport due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Ireland and London Heathrow Airport for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Ireland to London Heathrow Airport for under £100 on Cheapflights?

Yes, there are multiple flights from Ireland to London Heathrow Airport for under £100. The cheapest flight booked recently is on British Airways for just £43, but on average you can expect to pay £52.

Are there direct flights from Ireland to London Heathrow Airport for under £100 on Cheapflights?

Cheapflights has 20 direct flights from Ireland to London Heathrow Airport under £100. A good price for a direct flight from Ireland to London Heathrow Airport is less than £54.

Are there last-minute flights available from Ireland to London Heathrow Airport for under £100?

There are currently 20+ open flights from Ireland to London Heathrow Airport within the next 7 days for less than £100.

What days are direct flights available from Ireland to London Heathrow Airport?

Direct flights can be found on the following days: Tuesday, Thursday, Friday, Saturday.

How many flights depart from Ireland to London Heathrow Airport on average per day?

17 flight departures from Ireland to London Heathrow Airport per day on average.
Morning (6am - Midday) - 71% of flight departures
Afternoon (Midday - 6pm) - 29% of flight departures

How long is the flight from Ireland to London Heathrow Airport?

Airlines like British Airways fly from Ireland to London Heathrow Airport in about 1h 20m. The time it takes to get you to your destination is usually consistent. The distance between Ireland and London Heathrow Airport is about 281 mi. Most flights are nonstop.

Hire a Car

Car Rentals at Heathrow Car Rentals in United Kingdom

COVID Restrictions

View COVID Travel Restrictions for Heathrow (LHR)

Do I need a COVID test to fly to Heathrow from Ireland?

Information is based on travel restrictions from Ireland to London Heathrow

Most visitors from Ireland need to provide a negative COVID-19 test result and/or quarantine to enter London Heathrow.

COVID-19 testing requirements
Visitors from Ireland must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London Heathrow.

Quarantine requirements
Visitors from Ireland are not required to quarantine after entering London Heathrow.

Documents
Mandatory passenger locator form - Submit the form any time in the 48 hours before arriving in the UK. Show the form when checking in your plane, train or ferry to the UK.

Managed quarantine package for Scotland - All travelers arriving directly to Scotland are required to book their Managed Quarantine Package prior to travel.

COVID-19 testing package - All travelers must book and pay for a COVID-19 Testing Package prior to travel to England and Scotland.

Do I need a test to fly back to Ireland from Heathrow?

Returning to Ireland from London Heathrow

COVID-19 testing requirements
Visitors from London Heathrow must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Ireland.

Quarantine requirements
Visitors from London Heathrow are not required to quarantine after entering Ireland.

Hide COVID Travel Restrictions for Heathrow (LHR)

Departure points for flights from Ireland to Heathrow

Select to see more specific information for flights to Heathrow from all departure points in Ireland.

Flights from Cork to Heathrow from £116 pp

Flights from Dublin to Heathrow from £44 pp

Flights from Knock to Heathrow from £179 pp

Flights from Shannon to Heathrow from £118 pp

Destination information for Heathrow

Things to know before you go - useful duration and weather info for your trip from Ireland to Heathrow.

£1 = £1.00

1h 25m

20.0 °C

53.0 mm

Airports servicing

Donegal (CFN)

Dublin (DUB)

Galway (GWY)

Knock (NOC)

Cork (ORK)

Shannon (SNN)

Airports servicing London

Heathrow (LHR)

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	£42	£60	No cancel fee	N/A	Search Ryanair flights
British Airways	£84	£131	No cancel fee	70%	Search British Airways flights
Aer Lingus	£100	£183	No cancel fee	N/A	Search Aer Lingus flights

Cheap flights from Ireland to Heathrow

How to find the cheapest flight from Ireland to Heathrow (LHR)

All the information you need to plan the best null to LHR flight in 2021: compare Ireland to Heathrow flight prices with the expected peak season, weather and rainfall in Heathrow.

How far in advance should I book a flight from Ireland to London Heathrow Airport?

What is the cheapest month to fly from Ireland to London Heathrow Airport?

When is the cheapest time to fly from Ireland to London Heathrow Airport (IE0 - LHR)?

Cheap flights from Ireland to Heathrow in September, October 2021

The best prices found for Ireland to LHR flights in September, October

Ireland to Heathrow 2021 flight deals

Cheap flights to Heathrow from Ireland found for this year

Direct flights to Heathrow from Ireland

Save time with Ireland to Heathrow direct flight deals

Last-minute flights from Ireland to Heathrow

Late deals on return flights to Heathrow from Ireland, departing today and this week

One-way flights to Heathrow from Ireland

The cheapest one-way flights from Ireland to Heathrow

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ireland</span> to <span class="emphasized">Heathrow</span> flights.

Flight FAQs

From Ireland to Heathrow

Which airlines flying from Ireland to London Heathrow have flexible cancellations due to COVID-19?

Are flight prices decreasing from Ireland to London Heathrow Airport due to COVID-19 (coronavirus)?

Can I find flights from Ireland to London Heathrow Airport for under £100 on Cheapflights?

Are there direct flights from Ireland to London Heathrow Airport for under £100 on Cheapflights?

Are there last-minute flights available from Ireland to London Heathrow Airport for under £100?

What days are direct flights available from Ireland to London Heathrow Airport?

How many flights depart from Ireland to London Heathrow Airport on average per day?

How long is the flight from Ireland to London Heathrow Airport?

Related searches

Flights to Heathrow from Ireland

Hire a Car

COVID Restrictions

Do I need a COVID test to fly to Heathrow from Ireland?

Do I need a test to fly back to Ireland from Heathrow?

Departure points for flights from Ireland to Heathrow

Select to see more specific information for flights to Heathrow from all departure points in Ireland.

Destination information for Heathrow

Things to know before you go - useful duration and weather info for your trip from Ireland to Heathrow.

Airports servicing

Airports servicing London

Top 3 airlines flying from Ireland to London Heathrow

The chart below displays the airlines Cheapflights users travelling from Ireland to Heathrow choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2021.

How to find the cheapest flight from
Ireland to Heathrow (LHR)