What is the cheapest airline that flies from Ireland to London?

Ryanair is the most popular carrier operating from Ireland to London

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

The number of flights available between Ireland and London is 102 per day as of August 2025. The most frequent departure time is 07:00, with 42% of daily flights leaving at midday.

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

As of August 2025, 720 flights take off from Ireland and land in London each week. The most common flight departure day for this route is Fri, with 19% of weekly flights taking off on this day.

Which airlines fly to London?

Ryanair, British Airways and Aer Lingus are the top three most popular airlines that fly to London from Ireland according to our data. Ryanair is the first choice among our users, with 55% of people opting to fly with this airline when travelling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to London?

Flight times from Ireland to London vary, but if you’re flying out of Cork and flying into London Heathrow Airport (one of the most popular routes), then the duration is 1h 15m on average. Another popular route from Ireland to London is flying from Shannon to London Heathrow Airport, which will take roughly 1h 20m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Ireland to London?

Prices for flights from Ireland to London were last updated today.

How many operators does momondo search for flights from Ireland to London?

As of August 2025, there are 3 operators available to choose from for flights from Ireland to London.

How old do you have to be to fly from Ireland to London?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to London.

What documentation or ID do you need to fly to London?

The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£12 Cheap Flights from Ireland to London in 2025

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Find the cheapest flights from Ireland to London

Round-trip

One-way

Last minute

Direct

Recent return flight deals from Ireland to London

07:20 - 08:40DUB-STN

1h 20mdirect

08:15 - 09:35STN-DUB

1h 20mdirect

£28Ryanair

Find Deal

on., 27 aug. - sø., 31 aug.

06:30 - 07:50DUB-STN

1h 20mdirect

08:15 - 09:35STN-DUB

1h 20mdirect

£29Ryanair

Find Deal

to., 28 aug. - sø., 31 aug.

19:35 - 20:55DUB-STN

1h 20mdirect

08:15 - 09:35STN-DUB

1h 20mdirect

£57

Find Deal

to., 28 aug. - sø., 31 aug.

19:35 - 20:55DUB-STN

1h 20mdirect

08:15 - 09:35STN-DUB

1h 20mdirect

£61

Find Deal

to., 28 aug. - sø., 31 aug.

19:35 - 20:55DUB-STN

1h 20mdirect

17:50 - 19:10STN-DUB

1h 20mdirect

£65Ryanair

Find Deal

to., 4 sep. - to., 11 sep.

19:35 - 20:55DUB-STN

1h 20mdirect

17:50 - 19:10STN-DUB

1h 20mdirect

£68Ryanair

Find Deal

to., 28 aug. - to., 4 sep.

13:10 - 14:35DUB-LHR

1h 25mdirect

06:30 - 07:55LHR-DUB

1h 25mdirect

£75British Airways

Find Deal

on., 7 jan. - fr., 9 jan.

13:10 - 14:35DUB-LHR

1h 25mdirect

06:30 - 07:55LHR-DUB

1h 25mdirect

£78British Airways

Find Deal

to., 8 jan. - fr., 9 jan.

20:30 - 21:45ORK-LHR

1h 15mdirect

22:25 - 23:45LHR-ORK

1h 20mdirect

£87Aer Lingus

Find Deal

on., 3 sep. - on., 24 sep.

19:00 - 20:20DUB-LHR

1h 20mdirect

07:40 - 09:00LHR-DUB

1h 20mdirect

£88Aer Lingus

Find Deal

on., 27 aug. - on., 3 sep.

Aer Lingus flights from Ireland to London

Our best Aer Lingus deals on Ireland to London flight tickets

Aer Lingus

3 Sept

ORK20:30Cork

1h 15m

LHR21:45London Heathrow

24 Sept

LHR22:25London Heathrow

1h 20m

ORK23:45Cork

£87

Find similar

Aer Lingus

27 Aug

DUB19:00Dublin

1h 20m

LHR20:20London Heathrow

3 Sept

LHR07:40London Heathrow

1h 20m

DUB09:00Dublin

£88

Find similar

Aer Lingus

4 Sept

SNN16:55Shannon

1h 25m

LHR18:20London Heathrow

23 Sept

LHR19:10London Heathrow

1h 25m

SNN20:35Shannon

£91

Find similar

British Airways flights from Ireland to London

Our best British Airways deals on Ireland to London flight tickets

British Airways

7 Jan

DUB13:10Dublin

1h 25m

LHR14:35London Heathrow

9 Jan

LHR06:30London Heathrow

1h 25m

DUB07:55Dublin

£75

Find similar

British Airways

8 Jan

DUB13:10Dublin

1h 25m

LHR14:35London Heathrow

9 Jan

LHR06:30London Heathrow

1h 25m

DUB07:55Dublin

£78

Find similar

British Airways

7 Oct

DUB10:30Dublin

1h 30m

LHR12:00London Heathrow

9 Oct

LHR06:20London Heathrow

1h 25m

DUB07:45Dublin

£79

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinLondon

DUB - STN

DUBSTN

Dublin

on. 27/8

07:20-08:40

Nonstop1h 20m

London Stansted

sø. 31/8

08:15-09:35

Nonstop1h 20m

£28

DublinLondon

DUB - STN

DUBSTN

Dublin

to. 28/8

06:30-07:50

Nonstop1h 20m

London Stansted

sø. 31/8

08:15-09:35

Nonstop1h 20m

£29

DublinLondon

DUB - STN

DUBSTN

Dublin

to. 28/8

19:35-20:55

Nonstop1h 20m

London Stansted

sø. 31/8

08:15-09:35

Nonstop1h 20m

£57

DublinLondon

DUB - STN

DUBSTN

Dublin

to. 28/8

19:35-20:55

Nonstop1h 20m

London Stansted

sø. 31/8

08:15-09:35

Nonstop1h 20m

£61

DublinLondon

DUB - STN

DUBSTN

Dublin

to. 4/9

19:35-20:55

Nonstop1h 20m

London Stansted

to. 11/9

17:50-19:10

Nonstop1h 20m

£65

DublinLondon

DUB - STN

DUBSTN

Dublin

to. 28/8

19:35-20:55

Nonstop1h 20m

London Stansted

to. 4/9

17:50-19:10

Nonstop1h 20m

£68

DublinLondon

DUB - LHR

DUBLHR

Dublin

on. 7/1

13:10-14:35

Nonstop1h 25m

London Heathrow

fr. 9/1

06:30-07:55

Nonstop1h 25m

£75

DublinLondon

DUB - LHR

DUBLHR

Dublin

to. 8/1

13:10-14:35

Nonstop1h 25m

London Heathrow

fr. 9/1

06:30-07:55

Nonstop1h 25m

£78

CorkLondon

ORK - LHR

ORKLHR

Cork

on. 3/9

20:30-21:45

Nonstop1h 15m

London Heathrow

on. 24/9

22:25-23:45

Nonstop1h 20m

£87

DublinLondon

DUB - LHR

DUBLHR

Dublin

on. 27/8

19:00-20:20

Nonstop1h 20m

London Heathrow

on. 3/9

07:40-09:00

Nonstop1h 20m

£88

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ireland to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Ireland is in January. Flight prices, which tend to average around £54, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Ireland averaging around £65.

What is the cheapest day to depart on your flight to London?

Our data shows that Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £179. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to London for around £450.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £118. Flights in the afternoon are often more expensive, with an average ticket price of £539.

What is the cheapest Ireland to London flight route?

Fly from Dublin to London Stansted for the best Ireland - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £119 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Ireland for as low as £80 on momondo.

What cabin class options are available on Ireland to London flights?

There are 3 cabin classes available to choose from on Ireland to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ireland to London flights?

No. A direct flight is the cheapest option for a flight between Ireland to London.

Cheap Ireland to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to London

Best price found	£12
Fastest flight time	1h 10m
Direct flights	Every day
Airports in London	3 airports

The best one-way flight to London from Ireland in the past 72 hours is £12. The best return flight deal from Ireland to London found on momondo in the last 72 hours is £28.

The fastest flight from Ireland to London takes 1h 10m

Direct flights go from Ireland to London every day.

There are 3 airports near London: London Luton (LTN), London Stansted (STN), London Gatwick (LGW)

Search flight deals

When did momondo last update prices for flights from Ireland to London?
Prices for flights from Ireland to London were last updated today.
How many operators does momondo search for flights from Ireland to London?
As of August 2025, there are 3 operators available to choose from for flights from Ireland to London.
How old do you have to be to fly from Ireland to London?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Ireland to London?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ireland to London is Airbus A321neo (21.70% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (15.42%), Airbus A320neo (14.59%), and Boeing 737-800 Passenger/BBJ2 (winglets) (14.39%).

Best airlines flying from Ireland to London

Compare and see reviews for airlines that fly from Ireland to London with momondo

Airline	Rating	Free Cancellation	Price
Ryanair	PriceFrom £27	Free Cancellation	Rating 6.8 5,154 reviews	Search Ryanair flights
British Airways	PriceFrom £58	Free Cancellation	Rating 6.6 7,222 reviews	Search British Airways flights
Aer Lingus	PriceFrom £72	Free Cancellation	Rating 7.1 1,192 reviews	Search Aer Lingus flights

Eastbourne

Milton Keynes

Luton

Slough

Southend-on-Sea

Maidstone

Canterbury

Gatwick

Ipswich

Ilford

Dartford

Guildford

Colchester

Worthing

Hounslow

Dover

Winchester

Margate

Chelmsford

Bedford

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to London?

Finding the right flight to London from Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Ireland to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Ireland with this policy.

How can momondo help me find flights from Ireland to London?

Once you have performed a search for Ireland to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ireland to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ireland to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.