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

Ryanair and British Airways are the most popular carriers operating from Ireland to London

Which airlines fly to London?

British Airways, Aer Lingus and Ryanair are the top three most popular airlines that fly to London from Ireland according to our data. British Airways is the first choice among our users, with 51% 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 many flights depart from Ireland to London on average per week?

The number of flights available between Ireland and London is 726 per week as of October 2025. The most frequent departure day is Tue, with 20% of weekly flights leaving on this day.

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 October 2025, there are 103 flights per day flying from Ireland to London. The most common time of day flights depart is 07:00, with 46% of flights taking off at midday.

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 3 as of October 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.

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

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Find the cheapest flights from Ireland to London

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Recent return flight deals from Ireland to London

Enter your travel dates to find the best prices.

22:20 - 23:45ORK-STN

1h 25mdirect

06:00 - 07:25STN-ORK

1h 25mdirect

€33Ryanair

Find Deal

Fri, 21 Nov - Mon, 24 Nov

22:20 - 23:45ORK-STN

1h 25mdirect

05:50 - 07:15STN-ORK

1h 25mdirect

€35Ryanair

Find Deal

Fri, 31 Oct - Sun, 2 Nov

07:45 - 09:10ORK-STN

1h 25mdirect

05:55 - 07:20STN-ORK

1h 25mdirect

€35Ryanair

Find Deal

Tue, 11 Nov - Tue, 18 Nov

22:00 - 23:20DUB-STN

1h 20mdirect

06:30 - 07:50STN-DUB

1h 20mdirect

€42Multiple Airlines

Find Deal

Fri, 28 Nov - Mon, 1 Dec

13:30 - 14:50DUB-STN

1h 20mdirect

06:30 - 07:50STN-DUB

1h 20mdirect

€47Multiple Airlines

Find Deal

Sat, 22 Nov - Mon, 24 Nov

15:15 - 16:35DUB-STN

1h 20mdirect

06:30 - 07:50STN-DUB

1h 20mdirect

€54Ryanair

Find Deal

Sat, 1 Nov - Mon, 3 Nov

17:55 - 19:15DUB-LHR

1h 20mdirect

15:30 - 17:00LHR-DUB

1h 30mdirect

€75British Airways

Find Deal

Sat, 8 Nov - Wed, 26 Nov

10:55 - 12:30DUB-LHR

1h 35mdirect

18:15 - 19:40LHR-DUB

1h 25mdirect

€84British Airways

Find Deal

Tue, 11 Nov - Tue, 18 Nov

20:05 - 21:25SNN-LHR

1h 20mdirect

10:00 - 11:30LHR-SNN

1h 30mdirect

€85Aer Lingus

Find Deal

Mon, 10 Nov - Mon, 17 Nov

20:05 - 21:25SNN-LHR

1h 20mdirect

15:15 - 16:45LHR-SNN

1h 30mdirect

€88Aer Lingus

Find Deal

Tue, 4 Nov - Tue, 11 Nov

British Airways flights from Ireland to London

Our best British Airways deals on Ireland to London flight tickets

British Airways

8 Nov

DUB17:55Dublin

1h 20m

LHR19:15London Heathrow

26 Nov

LHR15:30London Heathrow

1h 30m

DUB17:00Dublin

€75

Find similar

British Airways

11 Nov

DUB10:55Dublin

1h 35m

LHR12:30London Heathrow

18 Nov

LHR18:15London Heathrow

1h 25m

DUB19:40Dublin

€84

Find similar

British Airways

26 Nov

DUB10:20Dublin

1h 35m

LHR11:55London Heathrow

3 Dec

LHR18:15London Heathrow

1h 25m

DUB19:40Dublin

€85

Find similar

Aer Lingus flights from Ireland to London

Our best Aer Lingus deals on Ireland to London flight tickets

Aer Lingus

10 Nov

SNN20:05Shannon

1h 20m

LHR21:25London Heathrow

17 Nov

LHR10:00London Heathrow

1h 30m

SNN11:30Shannon

€85

Find similar

Aer Lingus

4 Nov

SNN20:05Shannon

1h 20m

LHR21:25London Heathrow

11 Nov

LHR15:15London Heathrow

1h 30m

SNN16:45Shannon

€88

Find similar

Aer Lingus

4 Nov

SNN20:05Shannon

1h 20m

LHR21:25London Heathrow

11 Nov

LHR10:00London Heathrow

1h 30m

SNN11:30Shannon

€89

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CorkLondon

ORK - STN

ORKSTN

Cork

Fri 21/11

22:20-23:45

Nonstop1h 25m

London Stansted

Mon 24/11

06:00-07:25

Nonstop1h 25m

€33

CorkLondon

ORK - STN

ORKSTN

Cork

Fri 31/10

22:20-23:45

Nonstop1h 25m

London Stansted

Sun 2/11

05:50-07:15

Nonstop1h 25m

€35

CorkLondon

ORK - STN

ORKSTN

Cork

Tue 11/11

07:45-09:10

Nonstop1h 25m

London Stansted

Tue 18/11

05:55-07:20

Nonstop1h 25m

€35

DublinLondon

DUB - STN

DUBSTN

Dublin

Fri 28/11

22:00-23:20

Nonstop1h 20m

London Stansted

Mon 1/12

06:30-07:50

Nonstop1h 20m

€42

DublinLondon

DUB - STN

DUBSTN

Dublin

Sat 22/11

13:30-14:50

Nonstop1h 20m

London Stansted

Mon 24/11

06:30-07:50

Nonstop1h 20m

€47

DublinLondon

DUB - STN

DUBSTN

Dublin

Sat 1/11

15:15-16:35

Nonstop1h 20m

London Stansted

Mon 3/11

06:30-07:50

Nonstop1h 20m

€54

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 8/11

17:55-19:15

Nonstop1h 20m

London Heathrow

Wed 26/11

15:30-17:00

Nonstop1h 30m

€75

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 11/11

10:55-12:30

Nonstop1h 35m

London Heathrow

Tue 18/11

18:15-19:40

Nonstop1h 25m

€84

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Mon 10/11

20:05-21:25

Nonstop1h 20m

London Heathrow

Mon 17/11

10:00-11:30

Nonstop1h 30m

€85

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Tue 4/11

20:05-21:25

Nonstop1h 20m

London Heathrow

Tue 11/11

15:15-16:45

Nonstop1h 30m

€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?

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 €64. 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 €74.

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 €339. 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 €670.

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 €191. In contrast, the most expensive time of day to depart to London is in the afternoon when prices are around €776.

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 €144 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 €102 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	€85
Fastest flight time	1h 20m
Direct flights	Every day
Airports in London	2 airports

The best one-way flight to London from Ireland in the past 72 hours is €85. 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 20m

Direct flights go from Ireland to London every day.

There are 2 airports near London: London Heathrow (LHR), London Stansted (STN)

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 3 as of October 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 21.15% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 16.29%, Airbus A321neo at 13.48%, and Boeing 737 MAX 8 at 13.40%.

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 €35	Free Cancellation	Rating 6.3 114 reviews	Search Ryanair flights
British Airways	PriceFrom €83	Free Cancellation	Rating 6.7 7,454 reviews	Search British Airways flights
Aer Lingus	PriceFrom €84	Free Cancellation	Rating 7.2 1,336 reviews	Search Aer Lingus flights

Croydon

Southend-on-Sea

Watford

Gatwick

Surbiton

Chichester

Bishop's Stortford

Chelmsford

Milton Keynes

Aylesbury

St. Albans

Woking

Ilford

Dorking

Abingdon

Dartford

Maidstone

Eastbourne

Sidcup

Ipswich

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.