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

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

The number of flights available between Ireland and London is 808 per week as of August 2025. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.

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

As of August 2025, there are 115 flights per day flying from Ireland to London. The most common time of day flights depart is 07:00, with 44% of flights taking off at midday.

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.

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 52% 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.

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 August 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.

€25 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

08:20 - 09:30DUB-LTN

1h 10mdirect

21:55 - 23:10LTN-DUB

1h 15mdirect

€50Ryanair

Find Deal

Sun, 7 Sep - Mon, 15 Sep

20:50 - 22:10DUB-STN

1h 20mdirect

17:30 - 18:50STN-DUB

1h 20mdirect

€50Ryanair

Find Deal

Tue, 23 Sep - Sat, 27 Sep

08:30 - 09:50DUB-STN

1h 20mdirect

21:30 - 22:50STN-DUB

1h 20mdirect

€62

Find Deal

Mon, 3 Nov - Thu, 6 Nov

13:10 - 14:35DUB-LHR

1h 25mdirect

10:45 - 12:15LHR-DUB

1h 30mdirect

€86British Airways

Find Deal

Sat, 17 Jan - Mon, 19 Jan

08:55 - 18:20DUB-LGW

9h 25m1 stop

22:00 - 23:25LGW-DUB

1h 25mdirect

€86

Find Deal

Wed, 1 Oct - Wed, 8 Oct

10:20 - 11:55DUB-LHR

1h 35mdirect

18:25 - 19:50LHR-DUB

1h 25mdirect

€87British Airways

Find Deal

Wed, 5 Nov - Sat, 8 Nov

17:30 - 18:55SNN-LHR

1h 25mdirect

19:10 - 20:35LHR-SNN

1h 25mdirect

€100Aer Lingus

Find Deal

Sat, 4 Oct - Mon, 6 Oct

21:15 - 22:40SNN-LHR

1h 25mdirect

14:35 - 16:05LHR-SNN

1h 30mdirect

€102Aer Lingus

Find Deal

Sun, 14 Sep - Sun, 21 Sep

17:10 - 22:10ORK-LHR

5h 00m1 stop

20:25 - 16:25LHR-ORK

20h 00m2 stops

€212Lufthansa

Find Deal

Sun, 12 Oct - Tue, 21 Oct

17:10 - 15:40ORK-LHR

22h 30m2 stops

20:25 - 16:25LHR-ORK

20h 00m2 stops

€245Lufthansa

Find Deal

Sun, 12 Oct - Tue, 21 Oct

Air France flights from Ireland to London

Our best Air France deals on Ireland to London flight tickets

Air France

3 Sept

ORK15:25Cork

6h 00m

1 stop

LHR21:25London Heathrow

8 Sept

LHR15:20London Heathrow

23h 20m

1 stop

ORK14:40Cork

€226

Find similar

Air France

27 Aug

ORK15:45Cork

5h 40m

1 stop

LHR21:25London Heathrow

30 Aug

LHR06:15London Heathrow

4h 00m

1 stop

ORK10:15Cork

€237

Find similar

Aer Lingus flights from Ireland to London

Our best Aer Lingus deals on Ireland to London flight tickets

Aer Lingus

4 Oct

SNN17:30Shannon

1h 25m

LHR18:55London Heathrow

6 Oct

LHR19:10London Heathrow

1h 25m

SNN20:35Shannon

€100

Find similar

Aer Lingus

14 Sept

SNN21:15Shannon

1h 25m

LHR22:40London Heathrow

21 Sept

LHR14:35London Heathrow

1h 30m

SNN16:05Shannon

€102

Find similar

Aer Lingus

20 Sept

ORK20:30Cork

1h 15m

LHR21:45London Heathrow

27 Sept

LHR22:25London Heathrow

1h 20m

ORK23:45Cork

€103

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Fly from

Fly to

Route

Depart

Return

Price

DublinLondon

DUB - LTN

DUBLTN

Dublin

Sun 7/9

08:20-09:30

Nonstop1h 10m

London Luton

Mon 15/9

21:55-23:10

Nonstop1h 15m

€50

DublinLondon

DUB - STN

DUBSTN

Dublin

Tue 23/9

20:50-22:10

Nonstop1h 20m

London Stansted

Sat 27/9

17:30-18:50

Nonstop1h 20m

€50

DublinLondon

DUB - STN

DUBSTN

Dublin

Mon 3/11

08:30-09:50

Nonstop1h 20m

London Stansted

Thu 6/11

21:30-22:50

Nonstop1h 20m

€62

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 17/1

13:10-14:35

Nonstop1h 25m

London Heathrow

Mon 19/1

10:45-12:15

Nonstop1h 30m

€86

DublinLondon

DUB - LGW

DUBLGW

Dublin

Wed 1/10

08:55-18:20

1 stop9h 25m

London Gatwick

Wed 8/10

22:00-23:25

Nonstop1h 25m

€86

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 5/11

10:20-11:55

Nonstop1h 35m

London Heathrow

Sat 8/11

18:25-19:50

Nonstop1h 25m

€87

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Sat 4/10

17:30-18:55

Nonstop1h 25m

London Heathrow

Mon 6/10

19:10-20:35

Nonstop1h 25m

€100

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Sun 14/9

21:15-22:40

Nonstop1h 25m

London Heathrow

Sun 21/9

14:35-16:05

Nonstop1h 30m

€102

CorkLondon

ORK - LHR

ORKLHR

Cork

Sun 12/10

17:10-22:10

1 stop5h 00m

London Heathrow

Tue 21/10

20:25-16:25

2 stops20h 00m

€212

CorkLondon

ORK - LHR

ORKLHR

Cork

Sun 12/10

17:10-15:40

2 stops22h 30m

London Heathrow

Tue 21/10

20:25-16:25

2 stops20h 00m

€245

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 €62. If you are unable to visit London during the month of January, then departing from Ireland during the month November is also very affordable. Most momondo users find prices during this month for around €73.

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 Thursday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to London for around €631.

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 €176. In contrast, the most expensive time of day to depart to London is in the afternoon when prices are around €751.

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 €137 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 €92 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	€25
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 €25. The best return flight deal from Ireland to London found on momondo in the last 72 hours is €50.

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?
The number of operators available for flights from Ireland to London is 3 as of August 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 A321neo, representing 21.70% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 15.16%, Airbus A320neo at 14.51%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 13.80%.

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 6.2 110 reviews	Search Ryanair flights
British Airways	PriceFrom €74	Free Cancellation	Rating 6.7 7,283 reviews	Search British Airways flights
Aer Lingus	PriceFrom €83	Free Cancellation	Rating 7.2 1,221 reviews	Search Aer Lingus flights

Gatwick

Southend-on-Sea

Wembley

Watford

Surbiton

Milton Keynes

Chichester

Croydon

Abingdon

Bishop's Stortford

Chelmsford

St. Albans

Woking

Luton

Sudbury

Newbury

Dorking

Harlow

Dartford

Aylesbury

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.