Which airlines fly to London?

British Airways is the airline most momondo users in Ireland opt for when booking flights to London. Aer Lingus is also popular choice when flying to London from Ireland. Most major airlines flying from Ireland to London will offer flights on a regular basis, though your options may vary depending on what airport you fly from.

Aer Lingus Flights to London

Aer Lingus operates around 116 flights into London in any given week. The most common departure point for these flights was from Dublin, with the best return Aer Lingus deal found being €84 (Dublin to London). Users have rated Aer Lingus 7.2/10 in over 1,322 reviews on momondo.

British Airways Flights to London

British Airways flight deals to London start from €83 - this is the best price found recently on momondo, and was a return journey departing from Dublin. Over any normal week, British Airways flight prices are typically higher, but vary depending on where you fly from - Dublin is the most popular British Airways departure point to London so generally has the most availability. British Airways is scored a 6.7/10 in 7,444 reviews.

How long does it take to fly to London?

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

€21 Cheap Flights to London in 2025/26

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Find the cheapest flights from Ireland to London

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Cheap return flights

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07:50 - 09:00DUB-LTN

1h 10mdirect

14:10 - 15:25LTN-DUB

1h 15mdirect

€40Ryanair

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Tue, 14 Oct - Thu, 13 Nov

08:30 - 09:50DUB-STN

1h 20mdirect

06:30 - 07:50STN-DUB

1h 20mdirect

€40Ryanair

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Sun, 7 Dec - Tue, 9 Dec

13:30 - 14:50DUB-STN

1h 20mdirect

06:30 - 07:50STN-DUB

1h 20mdirect

€46Multiple Airlines

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Sat, 8 Nov - Mon, 24 Nov

15:15 - 16:35DUB-STN

1h 20mdirect

18:45 - 20:05STN-DUB

1h 20mdirect

€50Multiple Airlines

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Sat, 8 Nov - Mon, 10 Nov

08:30 - 09:50DUB-STN

1h 20mdirect

20:00 - 21:20STN-DUB

1h 20mdirect

€59Ryanair

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Fri, 14 Nov - Sat, 15 Nov

08:30 - 09:50DUB-STN

1h 20mdirect

06:30 - 07:50STN-DUB

1h 20mdirect

€60Ryanair

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Fri, 31 Oct - Mon, 3 Nov

08:50 - 10:25DUB-LHR

1h 35mdirect

06:30 - 07:55LHR-DUB

1h 25mdirect

€86British Airways

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Thu, 12 Mar - Sat, 14 Mar

13:00 - 14:30NOC-LHR

1h 30mdirect

10:55 - 12:25LHR-NOC

1h 30mdirect

€86Aer Lingus

Find Deal

Wed, 5 Nov - Wed, 12 Nov

20:05 - 21:25SNN-LHR

1h 20mdirect

15:15 - 16:45LHR-SNN

1h 30mdirect

€86Aer Lingus

Find Deal

Fri, 21 Nov - Fri, 28 Nov

20:40 - 22:00DUB-LHR

1h 20mdirect

12:50 - 14:20LHR-DUB

1h 30mdirect

€87British Airways

Find Deal

Sat, 1 Nov - Sat, 29 Nov

Fly from

Route

Depart

Return

Price

DublinLondon

DUB - LTN

DUBLTN

Dublin

Tue 14/10

07:50-09:00

Nonstop1h 10m

London Luton

Thu 13/11

14:10-15:25

Nonstop1h 15m

€40

DublinLondon

DUB - STN

DUBSTN

Dublin

Sun 7/12

08:30-09:50

Nonstop1h 20m

London Stansted

Tue 9/12

06:30-07:50

Nonstop1h 20m

€40

DublinLondon

DUB - STN

DUBSTN

Dublin

Sat 8/11

13:30-14:50

Nonstop1h 20m

London Stansted

Mon 24/11

06:30-07:50

Nonstop1h 20m

€46

DublinLondon

DUB - STN

DUBSTN

Dublin

Sat 8/11

15:15-16:35

Nonstop1h 20m

London Stansted

Mon 10/11

18:45-20:05

Nonstop1h 20m

€50

DublinLondon

DUB - STN

DUBSTN

Dublin

Fri 14/11

08:30-09:50

Nonstop1h 20m

London Stansted

Sat 15/11

20:00-21:20

Nonstop1h 20m

€59

DublinLondon

DUB - STN

DUBSTN

Dublin

Fri 31/10

08:30-09:50

Nonstop1h 20m

London Stansted

Mon 3/11

06:30-07:50

Nonstop1h 20m

€60

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 12/3

08:50-10:25

Nonstop1h 35m

London Heathrow

Sat 14/3

06:30-07:55

Nonstop1h 25m

€86

KnockLondon

NOC - LHR

NOCLHR

Knock Intl

Wed 5/11

13:00-14:30

Nonstop1h 30m

London Heathrow

Wed 12/11

10:55-12:25

Nonstop1h 30m

€86

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Fri 21/11

20:05-21:25

Nonstop1h 20m

London Heathrow

Fri 28/11

15:15-16:45

Nonstop1h 30m

€86

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 1/11

20:40-22:00

Nonstop1h 20m

London Heathrow

Sat 29/11

12:50-14:20

Nonstop1h 30m

€87

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

London flights insights and trends

Explore insights for your London flight to craft the best travel plan

Prices

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 absolute cheapest flight to London?

Users booking trips to London from Espargos found flights 92% cheaper than the average price of flights to London. To find the cheapest price to London from your area, use momondo’s Airport-to-Airport Pricing Tool.

See prices from:

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 €338. 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 €668.

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 €194. In contrast, the most expensive time of day to depart to London is in the afternoon when prices are around €772.

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 €143 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.

Cheapest flights to London

Find the cheapest flights to London from your nearest city or airport

Find flights from Dublin to London Gatwick Airport

CHEAPEST MONTH TO FLY TO LONDON FROM DUBLIN	January	33% cheaper	Flying from Dublin to London costs on average just €64 in January
MOST EXPENSIVE MONTH TO FLY TO LONDON FROM DUBLIN	December	16% more expensive	It costs about €110 for flights to London from Dublin in December
MOST POPULAR MONTH TO FLY TO LONDON FROM DUBLIN	July	216% more users visited	More momondo users searched in flights to London from Dublin in July than any other month

Cheap London flight deals and tips

Summary info about London flight prices, duration and airlines

Best One-Way Price	€21
Best Round-Trip Price	€40
Fastest flight time	1h 10m
Popular in	December

The best one-way flight price to London from Ireland in the last 72 hours is €21 (Dublin to London Stansted).

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The best round-trip flight price to London from Ireland in the last 72 hours is €40 (Dublin to London Luton).

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The fastest flight to London from Ireland takes 1h 10m (Dublin to London Luton).

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December has the highest demand for flights to London, with a 11% price increase on average.

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Frequently asked questions about flying to London

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

In general, most travellers find the cheapest time to book a flight to London is about 63 days prior to their departure date, when tickets on average are €95. In the past 72 hours, momondo users found flights from Ireland to London for as low as €46.

Is there an alternative airport near London?

Those flying to London could potentially find better pricing at London City Airport (12 km from London city centre), London Gatwick Airport (38 km from London city centre), London Luton Airport (45 km from London city centre), London Stansted Airport (50 km from London city centre) or London Southend Airport (57 km from London city centre) depending on the month and departure airport.

Is there a cheaper alternative to flying into London?

London Stansted Airport has an average price of €135 per person and is typically the cheapest airport to fly into when visiting London. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

Are there flights to Camden?

Yes. To go to Camden, book a flight to London Luton which is in London and is about 39.4 km away from Camden.

What’s the closest airport to Hyde Park?

The closest airport to Hyde Park is 39.0 km away - London’s London Gatwick airport.

When did momondo last update prices for flights to London?

Prices for flights to London were last updated today.

How many operators does momondo search for flights to London?

The number of operators available for flights to London is 6 as of October 2025.

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

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 stopovers. It is recommended that you verify with the airline you are booking with for travel to London.

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

The travel and health documents required for your trip to London 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 licence, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Southend-on-Sea

Watford

Gatwick

Surbiton

Chichester

Croydon

Bishop's Stortford

Chelmsford

Milton Keynes

Aylesbury

St. Albans

Sudbury

Woking

Ilford

Dorking

Abingdon

Dartford

Maidstone

Eastbourne

Sidcup

Why use momondo?

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

It is quick and easy to find flights to London 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 London that suits you.

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

momondo does allow users to show only those flights to London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to London?

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