Cheap flights from Ireland to London

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How to find the cheapest flight from
Ireland to London (LON)

All the information you need to plan the best null to LON flight in 2021: compare Ireland to London flight prices with the expected peak season, weather and rainfall in London.
How far in advance should I book a flight from Ireland to London?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 54 days in advance, which can save you up to 97% on flights from Ireland to London compared to booking the week you need them. Waiting 54 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £81. For sooner than that we have options available in the next 3 days from £108.

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

August is one of the best times of the year to fly to London from Ireland. Prices for August average £65 per person but you can even find prices for as low as £26. The most expensive prices can be found in the month of December. Opting for a August flight can save you 26% on your journey compared to booking in August

When is the cheapest time to fly from Ireland to London (IE0 - LON)?

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

Cheap flights from Ireland to London in September, October 2021

The best prices found for Ireland to LON flights in September, October
7 Oct - 10 Oct
£17pp
SNN
Shannon
Ryanair
Direct
LTN
London Luton
LTN
London Luton
Ryanair
Direct
SNN
Shannon
5 Oct - 5 Oct
£20pp
DUB
Dublin
Ryanair
Direct
STN
London Stansted
STN
London Stansted
Ryanair
Direct
DUB
Dublin
7 Oct - 11 Oct
£20pp
DUB
Dublin
Ryanair
Direct
STN
London Stansted
STN
London Stansted
Ryanair
Direct
DUB
Dublin

Ireland to London 2021 flight deals

Cheap flights to London from Ireland found for this year
25 Nov - 29 Nov
£12pp
DUB
Dublin
Ryanair
Direct
STN
London Stansted
STN
London Stansted
Ryanair
Direct
DUB
Dublin
25 Nov - 29 Nov
£12pp
DUB
Dublin
Ryanair
Direct
LGW
London Gatwick
LGW
London Gatwick
Ryanair
Direct
DUB
Dublin
25 Nov - 29 Nov
£12pp
DUB
Dublin
Ryanair
Direct
LTN
London Luton
LTN
London Luton
Ryanair
Direct
DUB
Dublin

Direct flights to London from Ireland

Save time with Ireland to London direct flight deals
25 Nov - 29 Nov
£12pp
DUB
Dublin
Ryanair
Direct
LTN
London Luton
LTN
London Luton
Ryanair
Direct
DUB
Dublin
25 Nov - 29 Nov
£12pp
DUB
Dublin
Ryanair
Direct
LGW
London Gatwick
LGW
London Gatwick
Ryanair
Direct
DUB
Dublin
25 Nov - 29 Nov
£12pp
DUB
Dublin
Ryanair
Direct
STN
London Stansted
STN
London Stansted
Ryanair
Direct
DUB
Dublin

Last-minute flights from Ireland to London

Late deals on return flights to London from Ireland, departing today and this week
7 Oct - 10 Oct
£17pp
SNN
Shannon
Ryanair
Direct
LTN
London Luton
LTN
London Luton
Ryanair
Direct
SNN
Shannon
5 Oct - 5 Oct
£20pp
DUB
Dublin
Ryanair
Direct
STN
London Stansted
STN
London Stansted
Ryanair
Direct
DUB
Dublin
7 Oct - 11 Oct
£20pp
DUB
Dublin
Ryanair
Direct
STN
London Stansted
STN
London Stansted
Ryanair
Direct
DUB
Dublin

One-way flights to London from Ireland

The cheapest one-way flights from Ireland to London
11:10 - 12:30
Ryanair
Direct
1h 20m
SNN - LTN
Ryanair
£8
Booking.com
18:45 - 19:59
Ryanair
Direct
1h 14m
DUB - STN
Ryanair
£9
Booking.com
16:20 - 17:35
Ryanair
Direct
1h 15m
DUB - STN
Ryanair
£10
Booking.com

Related info for your journey

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

Flight FAQs

From Ireland to London

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

Some of the carriers operating flights from Ireland to London that may be offering flexible cancellation policies are Ryanair, Aer Lingus, and British Airways. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Are flight prices decreasing from Ireland to London 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 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 for under £100 on Cheapflights?

Yes, there are multiple flights from Ireland to London for under £100. The cheapest flight booked recently is on Ryanair for just £12, but on average you can expect to pay £20.

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

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

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

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

What days are direct flights available from Ireland to London?

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

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

Travellers can expect 5 flights from Ireland to London on average per day.
Morning (6am - Midday) - 60% of flight departures
Afternoon (Midday - 6pm) - 40% of flight departures

How long is the flight from Ireland to London?

For as low as £12, Ryanair can have you in London from Ireland in 1h 40m. Ireland and London are separated by a distance of 281 mi. All flights are typically direct.

What are the cheapest flights from Ireland to London?

The cheapest flight price from Ireland to London is £28. On average you can expect to pay £98. The most popular route, (Dublin - London Heathrow), can usually be booked for £41.

What are the most reliable airlines from Ireland to London?

Consider Qatar Airways (100%), Japan Airlines (100%) or Aer Lingus (98%) when booking your flight. These represent the most reliable airlines when flying from Ireland to London.

What are the most popular routes from Ireland to London?

The most popular flight routes from Ireland to London are Dublin - London Heathrow, Dublin - London City and Dublin - London Luton.

What are the most popular airlines that fly from Ireland to London?

British Airways, Aer Lingus and Eurowings are the most popular airlines when flying from Ireland to London.

COVID Restrictions

View COVID Travel Restrictions for London, England

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

Information is based on travel restrictions from Ireland to London

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

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.

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

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 London?

Returning to Ireland from London

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

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

Hide COVID Travel Restrictions for London, England

Departure points for flights from Ireland to London

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

Destination information for London

Things to know before you go - useful duration and weather info for your trip from Ireland to London.
Today's exchange rate
£1 = £1.00
Flight duration from Ireland to London
1h 21m
Average temperature for September in London
20.0 °C
Avg rainfall for September in London
49.0 mm

Airports servicing

Dublin (DUB)
Galway (GWY)
Knock (NOC)
Cork (ORK)
Shannon (SNN)

Airports servicing London

Gatwick (LGW)
Stansted (STN)
London City (LCY)
Luton (LTN)
Southend (SEN)

Top 4 airlines flying from Ireland to London

The chart below displays the airlines Cheapflights users travelling from Ireland to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Ryanair
£16 £61 No cancel fee N/A
Search Ryanair flights
Flybe
£41 £64 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Flybe. Please check directly on their website for additional information.

Search Flybe flights
Aer Lingus
£47 £124 No cancel fee N/A
Search Aer Lingus flights
British Airways
£61 £114 No cancel fee 70%
Search British Airways flights
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