Find cheap flights to London from €31

1 adult
0 bags
Fri 1/12
Fri 8/12

Deals available from 900+ travel sites.

About Flights to London

Summary info about London flight prices, duration and airlines

Best One-Way Price


Best Round-Trip Price


Fastest flight time

1h 10m

Operated By

3 airlines
The best one-way flight price to London from Ireland in the last 72 hours is €31 (Dublin to London City).
The best round-trip flight price to London from Ireland in the last 72 hours is €53 (Dublin to London Luton).
The fastest flight to London from Ireland takes 1h 10m (Dublin to London Luton).
There are 3 airlines operating flights to London, including British Airways, Aer Lingus and Ryanair.

London flights insights and trends

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

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 €40. 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 €48.

What is the absolute cheapest flight to London?

Users booking trips to London from Katowice found flights 85% 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 time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as €83. In contrast, the most expensive time of day to depart to London is in the morning when prices are around €94.

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 15m on average. Another popular route from Ireland to London is flying from Shannon to London Heathrow, which will take roughly 1h 15m. Keep in mind that layovers or delays could extend your travel time.

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 60 days prior to their departure date, when tickets on average are €62. In the past 72 hours, momondo users found flights from Ireland to London for as low as €35.

Cheapest flights to London airports

Find the cheapest flights to these London airports from your nearest city or airport
London Gatwick Airport


Dublin (DUB) to London Luton Airport (LTN)

Typically, flights to London from Dublin are cheaper when flying from Dublin to London Luton, which has an average price of €52

CHEAPEST MONTH TO FLY TO LONDON FROM DUBLINJanuary36% cheaperFlying from Dublin to London costs on average just €40 in January
MOST EXPENSIVE MONTH TO FLY TO LONDON FROM DUBLINJune25% more expensiveIt costs about €78 for flights to London from Dublin in June
MOST POPULAR MONTH TO FLY TO LONDON FROM DUBLINAugust215% more users visitedMore momondo users searched in flights to London from Dublin in August than any other month

Frequently asked questions about flying to London

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

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as €82. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to London for around €104.

Is there an alternative airport near London?

Those flying to London could potentially find better pricing at London Heathrow Airport (23 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 €81 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 Hackney?

Yes. To go to Hackney, book a flight to London Heathrow which is in London and is about 28.1 km away from Hackney.

What’s the closest airport to London Victoria Station?

The closest airport to London Victoria Station is 21.8 km away - London’s London Heathrow 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?

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.

London flight deals found on momondo

Check out some of the best fares from airports in Ireland to London found recently by users on momondo
7 Dec
1h 10m
LTN23:10London Luton
15 Dec
LTN15:35London Luton
1h 15m
Aer Lingus
6 Jan
1h 25m
LGW07:55London Gatwick
9 Jan
LGW08:35London Gatwick
1h 30m
2 Feb
1h 20m
STN15:25London Stansted
4 Feb
STN07:55London Stansted
1h 20m
23 Dec
1h 25m
LGW20:55London Gatwick
14 Jan
LGW08:25London Gatwick
1h 20m
2 Feb
1h 30m
LGW19:45London Gatwick
12 Feb
LGW19:20London Gatwick
1h 20m
British Airways
25 Jan
1h 35m
LHR08:45London Heathrow
31 Jan
LHR06:55London Heathrow
1h 30m

Find the cheapest one-way flights to London

If you're looking for one-way flights from Ireland to London, view some of our deals below provided by British Airways and Ryanair
British Airways
8 Feb
1h 30m
LCY10:20London City
1 Mar
1h 10m
LTN20:50London Luton
1 Mar
1h 20m
STN07:35London Stansted

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.

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

Of course. momondo tracks the price of London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London trip

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