Which airlines fly to Ireland?

Ryanair, Aer Lingus and British Airways are the top three most popular airlines that fly to Ireland from London according to our data. Ryanair is the first choice among our users, with 71% of people opting to fly with this airline when travelling to Ireland. Keep in mind that there are 3 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

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

97 flights are operational daily from London to Ireland as of September 2025. The most popular departure time for this route is 09:00, with 37% of flights per day taking off at midday.

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

Ryanair is the most popular carrier operating from London to Ireland

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

The number of flights available between London and Ireland is 680 per week as of September 2025. The most frequent departure day is Tue, with 21% of weekly flights leaving on this day.

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

Prices for flights from London to Ireland are refreshed on a daily basis.

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

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

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Ireland.

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

The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£21 Cheap Flights from London to Ireland in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London to Ireland

Round-trip

One-way

Last minute

Direct

Cheap return flights

22:00 - 23:25LGW-DUB

1h 25mdirect

19:55 - 21:25DUB-LGW

1h 30mdirect

£35Ryanair

Find Deal

Wed, 8 Oct - Fri, 10 Oct

20:55 - 22:10LTN-DUB

1h 15mdirect

07:40 - 08:55DUB-LTN

1h 15mdirect

£35Ryanair

Find Deal

Fri, 31 Oct - Mon, 3 Nov

06:30 - 07:50STN-DUB

1h 20mdirect

12:00 - 13:20DUB-STN

1h 20mdirect

£43

Find Deal

Thu, 6 Nov - Mon, 10 Nov

18:15 - 19:40LHR-DUB

1h 25mdirect

10:45 - 12:20DUB-LHR

1h 35mdirect

£59British Airways

Find Deal

Mon, 3 Nov - Mon, 10 Nov

08:15 - 09:40LHR-DUB

1h 25mdirect

17:55 - 19:15DUB-LHR

1h 20mdirect

£61British Airways

Find Deal

Thu, 4 Dec - Sat, 6 Dec

20:20 - 21:45LGW-DUB

1h 25mdirect

21:00 - 08:30DUB-LGW

11h 30m1 stop

£67

Find Deal

Sat, 27 Sep - Wed, 1 Oct

20:10 - 21:30LHR-DUB

1h 20mdirect

16:30 - 17:50DUB-LHR

1h 20mdirect

£71Aer Lingus

Find Deal

Mon, 20 Oct - Sat, 1 Nov

19:10 - 20:35LHR-SNN

1h 25mdirect

17:30 - 18:55SNN-LHR

1h 25mdirect

£73Aer Lingus

Find Deal

Mon, 13 Oct - Sat, 18 Oct

18:55 - 23:25LCY-ORK

4h 30m1 stop

11:15 - 18:25ORK-LCY

7h 10m1 stop

£201KLM

Find Deal

Mon, 10 Nov - Thu, 13 Nov

08:40 - 23:25LCY-ORK

14h 45m1 stop

17:15 - 18:25ORK-LCY

25h 10m1 stop

£207KLM

Find Deal

Thu, 6 Nov - Sat, 8 Nov

Ryanair flights from London to Ireland

Our best Ryanair deals on London to Ireland flight tickets

Ryanair

31 Oct

STN20:15London Stansted

1h 20m

DUB21:35Dublin

2 Nov

DUB05:30Dublin

1h 20m

STN06:50London Stansted

£35

Find similar

Ryanair

31 Oct

LTN20:55London Luton

1h 15m

DUB22:10Dublin

2 Nov

DUB05:20Dublin

1h 15m

LTN06:35London Luton

£35

Find similar

Ryanair

7 Nov

STN21:45London Stansted

1h 20m

DUB23:05Dublin

9 Nov

DUB06:30Dublin

1h 20m

STN07:50London Stansted

£36

Find similar

British Airways flights from London to Ireland

Our best British Airways deals on London to Ireland flight tickets

British Airways

3 Nov

LHR18:15London Heathrow

1h 25m

DUB19:40Dublin

10 Nov

DUB10:45Dublin

1h 35m

LHR12:20London Heathrow

£59

Find similar

British Airways

4 Dec

LHR08:15London Heathrow

1h 25m

DUB09:40Dublin

6 Dec

DUB17:55Dublin

1h 20m

LHR19:15London Heathrow

£61

Find similar

British Airways

30 Oct

LHR06:30London Heathrow

1h 25m

DUB07:55Dublin

3 Nov

DUB08:50Dublin

1h 35m

LHR10:25London Heathrow

£62

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Wed 8/10

22:00-23:25

Nonstop1h 25m

Dublin

Fri 10/10

19:55-21:25

Nonstop1h 30m

£35

LondonDublin

LTN - DUB

LTNDUB

London Luton

Fri 31/10

20:55-22:10

Nonstop1h 15m

Dublin

Mon 3/11

07:40-08:55

Nonstop1h 15m

£35

LondonDublin

STN - DUB

STNDUB

London Stansted

Thu 6/11

06:30-07:50

Nonstop1h 20m

Dublin

Mon 10/11

12:00-13:20

Nonstop1h 20m

£43

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Mon 3/11

18:15-19:40

Nonstop1h 25m

Dublin

Mon 10/11

10:45-12:20

Nonstop1h 35m

£59

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 4/12

08:15-09:40

Nonstop1h 25m

Dublin

Sat 6/12

17:55-19:15

Nonstop1h 20m

£61

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Sat 27/9

20:20-21:45

Nonstop1h 25m

Dublin

Wed 1/10

21:00-08:30

1 stop11h 30m

£67

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Mon 20/10

20:10-21:30

Nonstop1h 20m

Dublin

Sat 1/11

16:30-17:50

Nonstop1h 20m

£71

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Mon 13/10

19:10-20:35

Nonstop1h 25m

Shannon

Sat 18/10

17:30-18:55

Nonstop1h 25m

£73

LondonCork

LCY - ORK

LCYORK

London City

Mon 10/11

18:55-23:25

1 stop4h 30m

Cork

Thu 13/11

11:15-18:25

1 stop7h 10m

£201

LondonCork

LCY - ORK

LCYORK

London City

Thu 6/11

08:40-23:25

1 stop14h 45m

Cork

Sat 8/11

17:15-18:25

1 stop25h 10m

£207

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 London to Ireland

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 Ireland?

The month of January is, on average, the cheapest month to fly to Ireland from London, with most prices found around £49. If you’re not able to fly to Ireland in January, then February is your next best option. Flight prices from London to Ireland during February average around £53.

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

The cheapest day to depart on your flight to Ireland is on a Friday when prices can be found for as low as £260. This is often the case because there is less demand to fly during this day of the week. Flights from London to Ireland on a Monday will generally be more expensive and average around £514. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

In the afternoon is the cheapest time of day to fly from London to Ireland when you can find flight prices for as low as £132. Flying to Ireland in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Ireland are more costly in the morning, with an average ticket price of £490. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London to Ireland flight route?

Fly from London Luton to Cork for the best London - Ireland flight prices

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

You are more likely to see cheaper flights to Ireland from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around £124 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from London for as low as £96 on momondo.

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

There are 3 cabin classes available to choose from on London to Ireland 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 London to Ireland flights?

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

Cheap London to Ireland flight deals and tips

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

Best price found	£20
Fastest flight time	1h 10m
Direct flights	Every day
Airports in Ireland	1 airport

The best one-way flight to Ireland from London in the past 72 hours is £20. The best return flight deal from London to Ireland found on momondo in the last 72 hours is £37.

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

Direct flights go from London to Ireland every day.

There is 1 airport near Ireland: Dublin (DUB)

Search flight deals

When did momondo last update prices for flights from London to Ireland?
Prices for flights from London to Ireland are refreshed on a daily basis.
How many operators does momondo search for flights from London to Ireland?
As of September 2025, there are 3 operators available to choose from for flights from London to Ireland.
How old do you have to be to fly from London to Ireland?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Ireland.
What documentation or ID do you need to fly to Ireland?
The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London to Ireland?
momondo data reveals that the most frequently booked plane model on the route from London to Ireland is Boeing 737-800 Passenger/BBJ2 (winglets), representing 22.48% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 17.96%, Airbus A320neo at 12.84%, and Boeing 787-9 Dreamliner at 6.00%.

Best airlines flying from London to Ireland

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

Airline	Rating	Free Cancellation	Price
Ryanair	PriceFrom £26	Free Cancellation	Rating 6.8 5,155 reviews	Search Ryanair flights
Aer Lingus	PriceFrom £47	Free Cancellation	Rating 7.2 1,270 reviews	Search Aer Lingus flights
British Airways	PriceFrom £64	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights

Why use momondo?

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

It is quick and easy to find London to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

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

Flights from London to Ireland 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 London to Ireland?

momondo helps you find the best flight between London and Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Ireland, momondo offers a useful price alert feature which will track prices for flights to Ireland from London and alert you when they change.

An easier way to manage your Ireland 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Thu 16/10

Thu 23/10

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Popular Cities in Ireland

Flights to Dublinfrom £28

Flights to Corkfrom £32

Flights to Shannon, Clarefrom £28

Flights to Knockfrom £31

Flights to Milltown (Kerry)from £32

Flights to Donegalfrom £114

Cheap flights from London to Ireland from £21

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Ireland departing on 8/10. 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

Price Alerts

Price Alerts

Find the cheapest flights from London to Ireland

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Ryanair flights from London to Ireland

Our best Ryanair deals on London to Ireland flight tickets

British Airways flights from London to Ireland

Our best British Airways deals on London to Ireland flight tickets

momondo Fare Finder

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

See travel insights to Ireland from

How to get the cheapest flight ticket from London to Ireland

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 Ireland?

The month of January is, on average, the cheapest month to fly to Ireland from London, with most prices found around £49. If you’re not able to fly to Ireland in January, then February is your next best option. Flight prices from London to Ireland during February average around £53.

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

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

What is the cheapest London to Ireland flight route?

Fly from London Luton to Cork for the best London - Ireland flight prices

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

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

There are 3 cabin classes available to choose from on London to Ireland 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 London to Ireland flights?

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

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

Ryanair is the most popular carrier operating from London to Ireland

Which airlines fly to Ireland?

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

97 flights are operational daily from London to Ireland as of September 2025. The most popular departure time for this route is 09:00, with 37% of flights per day taking off at midday.

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

The number of flights available between London and Ireland is 680 per week as of September 2025. The most frequent departure day is Tue, with 21% of weekly flights leaving on this day.

Cheap London to Ireland flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in Ireland

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

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

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

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

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

Best airlines flying from London to Ireland

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

Why use momondo?

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

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

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

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

An easier way to manage your Ireland 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 Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo