Latest deals
Insights
When to book
FAQs
Price Alerts
Flights to London

€35 Cheap flights to London

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to London departing on 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

Voted the Winner of Europe's Best Travel App 2023
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Ireland to London

Cheap return flights

Recommended return deals departing in the coming months from the most popular airlines that fly to London.
14:30 - 15:40DUB-LTN
1h 10mdirect
21:10 - 22:25LTN-DUB
1h 15mdirect
€66Ryanair
Find Deal
Mon, 14 Jul - Thu, 17 Jul
21:05 - 22:25DUB-STN
1h 20mdirect
06:25 - 07:45STN-DUB
1h 20mdirect
€66Ryanair
Find Deal
Fri, 4 Jul - Mon, 21 Jul
12:30 - 13:50DUB-STN
1h 20mdirect
10:45 - 12:05STN-DUB
1h 20mdirect
€67Ryanair
Find Deal
Sat, 8 Mar - Sat, 15 Mar
12:30 - 13:50DUB-STN
1h 20mdirect
10:45 - 12:05STN-DUB
1h 20mdirect
€74Ryanair
Find Deal
Sat, 15 Mar - Sat, 22 Mar
20:35 - 21:55DUB-LHR
1h 20mdirect
06:20 - 07:45LHR-DUB
1h 25mdirect
€80British Airways
Find Deal
Sat, 22 Mar - Mon, 31 Mar
20:35 - 21:55DUB-LHR
1h 20mdirect
18:15 - 19:35LHR-DUB
1h 20mdirect
€81British Airways
Find Deal
Sat, 22 Mar - Wed, 26 Mar
21:40 - 10:05DUB-STN
12h 25m1 stop
08:15 - 09:35STN-DUB
1h 20mdirect
Thu, 20 Mar - Sun, 23 Mar
20:30 - 21:50DUB-STN
1h 20mdirect
07:35 - 19:25STN-DUB
11h 50m1 stop
Fri, 21 Mar - Mon, 24 Mar
13:00 - 14:30NOC-LHR
1h 30mdirect
11:00 - 12:30LHR-NOC
1h 30mdirect
€98Aer Lingus
Find Deal
Sat, 8 Mar - Thu, 27 Mar
17:30 - 18:55SNN-LHR
1h 25mdirect
15:20 - 16:45LHR-SNN
1h 25mdirect
€99Aer Lingus
Find Deal
Tue, 11 Mar - Tue, 25 Mar

See travel insights to London from

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 €78. 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 €82.

What is the absolute cheapest flight to London?

Users booking trips to London from Dublin found flights 49% 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 €253. 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 €722.

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 €171. In contrast, the most expensive time of day to depart to London is in the afternoon when prices are around €846.

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 23 weeks ahead of your departure date. In general, you can expect to find flights to London for around €142 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Ireland for as low as €83 on momondo.

Cheapest flights to London

Find the cheapest flights to London from your nearest city or airport
CHEAPEST MONTH TO FLY TO LONDON FROM DUBLINJanuary38% cheaperFlying from Dublin to London costs on average just €70 in January
MOST EXPENSIVE MONTH TO FLY TO LONDON FROM DUBLINMay33% more expensiveIt costs about €150 for flights to London from Dublin in May
MOST POPULAR MONTH TO FLY TO LONDON FROM DUBLINAugust164% more users visitedMore momondo users searched in flights to London from Dublin in August than any other month

Cheap London flight deals and tips

Summary info about London flight prices, duration and airlines

Best One-Way Price

€35

Best Round-Trip Price

€66

Fastest flight time

1h 10m

Popular in

May
The best one-way flight price to London from Ireland in the last 72 hours is €35 (Dublin to London Heathrow).
The best round-trip flight price to London from Ireland in the last 72 hours is €66 (Dublin to London Luton).
The fastest flight to London from Ireland takes 1h 10m (Dublin to London Luton).
May has the highest demand for flights to London, with a 14% price increase on average.

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 171 days prior to their departure date, when tickets on average are €112. In the past 72 hours, momondo users found flights from Ireland to London for as low as €70.

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 €79 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 Covent Garden?

Yes. To go to Covent Garden, book a flight to London Heathrow which is in London and is about 23.4 km away from Covent Garden.

What’s the closest airport to Hyde Park?

The closest airport to Hyde Park is 20.1 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.


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Gatwick
Chelmsford
Slough
Wembley
Luton
Hounslow
Watford
Ashford
Enfield
Guildford
Worthing
Woking
Camberley
High Wycombe
Abingdon
Borehamwood
Royal Tunbridge Wells
Stansted
Woodstock

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, 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.
1 adult
From?
To?
Fri 14/2
Fri 21/2

Find better results for your trip to London

Popular Flights to London

Popular routes according to searches in the past day on momondo

Cheapest flight routes to London

These routes have the cheapest flights to London found by momondo users in Ireland
DepartingDestinationBest TimeBest Price
DublinLondon1h 30m€34
ShannonLondon1h 30m€34
CorkLondon