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.

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

As of November 2025, there are 96 flights per day flying from Ireland to London. The most common time of day flights depart is 07:00, with 41% of flights taking off at midday.

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

The number of flights available between Ireland and London is 676 per week as of November 2025. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.

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

Ryanair is the most popular carrier operating from Ireland to London

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?

The number of operators available for flights from Ireland to London is 2 as of November 2025.

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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 licence 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.

€16 Cheap Flights from Ireland to London in 2025/26

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Recent return flight deals from Ireland to London

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07:50 - 09:15ORK-STN

1h 25mdirect

06:00 - 07:25STN-ORK

1h 25mdirect

€33Ryanair

Find Deal

Mon, 1 Dec - Mon, 8 Dec

22:20 - 23:45ORK-STN

1h 25mdirect

06:00 - 07:25STN-ORK

1h 25mdirect

€36Ryanair

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Fri, 5 Dec - Mon, 8 Dec

18:25 - 19:50ORK-STN

1h 25mdirect

06:15 - 07:40STN-ORK

1h 25mdirect

€42Ryanair

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Wed, 10 Dec - Sat, 10 Jan

12:00 - 13:20DUB-STN

1h 20mdirect

20:00 - 21:20STN-DUB

1h 20mdirect

€46Multiple Airlines

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Thu, 20 Nov - Sat, 22 Nov

22:00 - 23:20DUB-STN

1h 20mdirect

10:15 - 11:35STN-DUB

1h 20mdirect

€47Multiple Airlines

Find Deal

Fri, 28 Nov - Mon, 1 Dec

15:15 - 16:35DUB-STN

1h 20mdirect

20:00 - 21:20STN-DUB

1h 20mdirect

€55Ryanair

Find Deal

Sat, 22 Nov - Sat, 22 Nov

20:40 - 22:00DUB-LHR

1h 20mdirect

10:45 - 12:15LHR-DUB

1h 30mdirect

€75British Airways

Find Deal

Mon, 12 Jan - Thu, 15 Jan

18:00 - 19:20DUB-LHR

1h 20mdirect

15:30 - 17:00LHR-DUB

1h 30mdirect

€80British Airways

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Tue, 20 Jan - Thu, 29 Jan

20:05 - 21:25SNN-LHR

1h 20mdirect

18:05 - 19:25LHR-SNN

1h 20mdirect

€109Aer Lingus

Find Deal

Fri, 21 Nov - Tue, 25 Nov

20:10 - 21:25ORK-LHR

1h 15mdirect

22:05 - 23:25LHR-ORK

1h 20mdirect

€110Aer Lingus

Find Deal

Sat, 6 Dec - Mon, 8 Dec

British Airways flights from Ireland to London

Our best British Airways deals on Ireland to London flight tickets

British Airways

12 Jan

DUB20:40Dublin

1h 20m

LHR22:00London Heathrow

15 Jan

LHR10:45London Heathrow

1h 30m

DUB12:15Dublin

€75

Find similar

British Airways

20 Jan

DUB18:00Dublin

1h 20m

LHR19:20London Heathrow

29 Jan

LHR15:30London Heathrow

1h 30m

DUB17:00Dublin

€80

Find similar

British Airways

17 Jan

DUB20:40Dublin

1h 20m

LHR22:00London Heathrow

19 Jan

LHR18:15London Heathrow

1h 25m

DUB19:40Dublin

€81

Find similar

Aer Lingus flights from Ireland to London

Our best Aer Lingus deals on Ireland to London flight tickets

Aer Lingus

21 Nov

SNN20:05Shannon

1h 20m

LHR21:25London Heathrow

25 Nov

LHR18:05London Heathrow

1h 20m

SNN19:25Shannon

€109

Find similar

Aer Lingus

6 Dec

ORK20:10Cork

1h 15m

LHR21:25London Heathrow

8 Dec

LHR22:05London Heathrow

1h 20m

ORK23:25Cork

€110

Find similar

Aer Lingus

15 Nov

SNN17:25Shannon

1h 25m

LHR18:50London Heathrow

16 Nov

LHR10:00London Heathrow

1h 30m

SNN11:30Shannon

€110

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CorkLondon

ORK - STN

ORKSTN

Cork

Mon 1/12

07:50-09:15

Nonstop1h 25m

London Stansted

Mon 8/12

06:00-07:25

Nonstop1h 25m

€33

CorkLondon

ORK - STN

ORKSTN

Cork

Fri 5/12

22:20-23:45

Nonstop1h 25m

London Stansted

Mon 8/12

06:00-07:25

Nonstop1h 25m

€36

CorkLondon

ORK - STN

ORKSTN

Cork

Wed 10/12

18:25-19:50

Nonstop1h 25m

London Stansted

Sat 10/1

06:15-07:40

Nonstop1h 25m

€42

DublinLondon

DUB - STN

DUBSTN

Dublin

Thu 20/11

12:00-13:20

Nonstop1h 20m

London Stansted

Sat 22/11

20:00-21:20

Nonstop1h 20m

€46

DublinLondon

DUB - STN

DUBSTN

Dublin

Fri 28/11

22:00-23:20

Nonstop1h 20m

London Stansted

Mon 1/12

10:15-11:35

Nonstop1h 20m

€47

DublinLondon

DUB - STN

DUBSTN

Dublin

Sat 22/11

15:15-16:35

Nonstop1h 20m

London Stansted

Sat 22/11

20:00-21:20

Nonstop1h 20m

€55

DublinLondon

DUB - LHR

DUBLHR

Dublin

Mon 12/1

20:40-22:00

Nonstop1h 20m

London Heathrow

Thu 15/1

10:45-12:15

Nonstop1h 30m

€75

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 20/1

18:00-19:20

Nonstop1h 20m

London Heathrow

Thu 29/1

15:30-17:00

Nonstop1h 30m

€80

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Fri 21/11

20:05-21:25

Nonstop1h 20m

London Heathrow

Tue 25/11

18:05-19:25

Nonstop1h 20m

€109

CorkLondon

ORK - LHR

ORKLHR

Cork

Sat 6/12

20:10-21:25

Nonstop1h 15m

London Heathrow

Mon 8/12

22:05-23:25

Nonstop1h 20m

€110

Flights are sorted by cheapest return flights first.

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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?

In general, January is the cheapest month to fly from Ireland to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €65. If you are unable to visit London during the month of January, then departing from Ireland during the month September is also very affordable. Most momondo users find prices during this month for around €75.

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 €312. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to London for around €688.

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 €196. In contrast, the most expensive time of day to depart to London is in the afternoon when prices are around €778.

What is the cheapest Ireland to London flight route?

Fly from Knock Intl 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 €145 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 €103 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	€75
Fastest flight time	1h 15m
Direct flights	Every day
Airports in London	1 airport

The best one-way flight to London from Ireland in the past 72 hours is €75. The best return flight deal from Ireland to London found on momondo in the last 72 hours is €61.

The fastest flight from Ireland to London takes 1h 15m

Direct flights go from Ireland to London every day.

There is 1 airport near London: London Luton (LTN)

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?
The number of operators available for flights from Ireland to London is 2 as of November 2025.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 licence 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?
momondo data reveals that the most frequently booked plane model on the route from Ireland to London is Airbus A320neo, representing 22.15% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 15.79%, Airbus A321neo at 14.27%, and Boeing 737 MAX 8 at 12.66%.

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
British Airways	PriceFrom €84	Free Cancellation	Rating 6.7 7,495 reviews		Search British Airways flights
Aer Lingus	PriceFrom €85	Free Cancellation	Rating 7.2 1,365 reviews		Search Aer Lingus flights

Croydon

Southend-on-Sea

Watford

Gatwick

Surbiton

Luton

Chichester

Bishop's Stortford

Chelmsford

Milton Keynes

Aylesbury

St. Albans

Stansted

Ilford

Dorking

High Wycombe

Abingdon

Dartford

Maidstone

Eastbourne

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?

Flights from Ireland to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to London from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to London from Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Popular Cities in the United Kingdom

Flights to Manchesterfrom €34

Flights to Belfastfrom €110

Flights to Edinburghfrom €35

Flights to Birminghamfrom €33

Flights to Glasgowfrom €36

Flights to Bristolfrom €48

Flights to Liverpoolfrom €37

Flights to Newcastle upon Tynefrom €36

Flights to Leedsfrom €40

Flights to Aberdeenfrom €84

Flights to Exeterfrom €130

Flights to Cardifffrom €33

Cheap flights from Ireland to London from €16

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to London departing on 18/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Price Alerts

Find the cheapest flights from Ireland to London

Recent return flight deals from Ireland to London

Recent one-way flight deals from Ireland to London

Recent last minute flight deals from Ireland to London

Recent direct flight deals from Ireland to London

British Airways flights from Ireland to London

Our best British Airways deals on Ireland to London flight tickets

Aer Lingus flights from Ireland to London

Our best Aer Lingus deals on Ireland to London flight tickets

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Use the filters below to find and compare flights from Ireland to London that are best for you.

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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

What is the cheapest month to fly to London?

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 €312. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to London for around €688.

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 €196. In contrast, the most expensive time of day to depart to London is in the afternoon when prices are around €778.

What is the cheapest Ireland to London flight route?

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

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

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.

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?

As of November 2025, there are 96 flights per day flying from Ireland to London. The most common time of day flights depart is 07:00, with 41% of flights taking off at midday.

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

The number of flights available between Ireland and London is 676 per week as of November 2025. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.

How long does it take to fly 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

Fastest flight time

Direct flights

Airports in London

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

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

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

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

What is the most popular plane model from Ireland to London?

Best airlines flying from Ireland to London

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

Travelling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 57.3 km from London