Cheap flights from Dublin to London

Compare Dublin to London flight deals

Find the cheapest month or even day of the year to fly to London

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Flight deals from Dublin to London

Looking for a cheap last-minute deal or the best return flight from Dublin Airport to London? If you want to travel next month, return fares start from $45. Find the lowest prices on one-way and return tickets right here.

London.$21 per passenger.Departing Tue, 28 Apr.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Tue, 28 Apr, arriving in London Luton.Price includes taxes and charges.From $21, select.

London.$21 per passenger.Departing Sat, 2 May.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Sat, 2 May, arriving in London Stansted.Price includes taxes and charges.From $21, select.

London.$22 per passenger.Departing Tue, 2 Jun.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Tue, 2 Jun, arriving in London Gatwick.Price includes taxes and charges.From $22, select.

London.$29 per passenger.Departing Mon, 13 Jul.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Mon, 13 Jul, arriving in London Stansted.Price includes taxes and charges.From $29, select.

London.$30 per passenger.Departing Tue, 4 Aug.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Tue, 4 Aug, arriving in London Luton.Price includes taxes and charges.From $30, select.

London.$32 per passenger.Departing Wed, 14 Oct.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Wed, 14 Oct, arriving in London Gatwick.Price includes taxes and charges.From $32, select.

London.$33 per passenger.Departing Wed, 9 Sep.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Wed, 9 Sep, arriving in London Luton.Price includes taxes and charges.From $33, select.

London.$41 per passenger.Departing Wed, 25 Nov.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Wed, 25 Nov, arriving in London Luton.Price includes taxes and charges.From $41, select.

London.$41 per passenger.Departing Mon, 25 Jan.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Mon, 25 Jan, arriving in London Stansted.Price includes taxes and charges.From $41, select.

London.$42 per passenger.Departing Thu, 4 Feb.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Thu, 4 Feb, arriving in London Luton.Price includes taxes and charges.From $42, select.

London.$45 per passenger.Departing Tue, 2 Mar.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Tue, 2 Mar, arriving in London Luton.Price includes taxes and charges.From $45, select.

London.$45 per passenger.Departing Tue, 1 Dec.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Tue, 1 Dec, arriving in London Stansted.Price includes taxes and charges.From $45, select.

Find the cheapest month to fly from Dublin to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to London flights are currently cheapest in April.

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Direct flights from Dublin to London

Alternative Dublin to London routes

Looking for the cheapest, fastest or easiest route from Dublin to London? You could fly into the following airports instead.

Dublin to London: Flight information

The things to know before you go.

Cheapest flight found	$21
Cheapest month to fly	May
Average flight time	1 hr, 24 mins
Most popular airline	Aer Lingus
Average flights per week	920

Finding cheap flights from Dublin to London: Frequently asked questions

How many airports are there in London?

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.

How much are return flights from Dublin to London?

The best price we found for a return flight from Dublin to London is $45. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Dublin to London?

1 hour and 24 minutes is the average flight time from Dublin to London.

Which airlines fly direct from Dublin to London?

Aer Lingus, British Airways and Ryanair fly direct from Dublin to London.

How many flights are there a week from Dublin to London?

As of April 2026, there are 920 flights per week flying from Dublin to London.

When is the cheapest time to fly from Dublin to London?

The cheapest month to fly from Dublin to London is usually April.

Which is the cheapest airport to fly into in London?

If you're flying from Dublin Airport, the cheapest airport near London is London Luton – which is 44.6 km away from the centre of London. We've found flights into this airport from $45.

Which upcoming date is cheapest to fly from Dublin Airport to London on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to London on Tuesday, 21 April 2026.

Can I get a direct flight from Dublin Airport to London?

Yes – the average flight time is 1 hour and 24 minutes.

How can I get the best flight deal from Dublin Airport to London?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in London?

In April, the average temperature is usually around 9°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.

Which is the cheapest airline to fly from Dublin Airport to London with?

Currently, Ryanair offers the cheapest flight tickets to London.

Flying from Dublin Airport (DUB) to London: what you need to know

Expect to be travelling for 1 hour 25 minutes. That's the average duration of a direct flight from Dublin Airport to London.
London and Dublin (where Dublin Airport is located) are in the UTC+0 timezone. That means you won't have to change your watch when you arrive.
With 124 weekly flights between the two airports, Dublin Airport (DUB) to London Heathrow Airport (LHR) is the busiest route. Aer Lingus operates the earliest flight at 06:30. If you prefer to make the most of your day before you fly, the last flight from DUB to LHR is with British Airways at 20:55.
For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This leaves you with plenty of time to catch your DUB to London flight.
During popular months such as July, you'll want to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead of international flights whenever you're flying during a peak period in general.
You can travel directly to London departing from DUB. Here are some airports you can jet right into when searching for your Dublin Airport to London ticket:
- London Heathrow Airport (LHR)
- London Gatwick Airport (LGW)
- London Stansted Airport (STN)
- London Luton Airport (LTN)
- London City Airport (LCY)
Pick from a variety of carriers that offer direct flights from Dublin Airport to London. Book your ticket with one of these:
We make it easy to book plane tickets from DUB to London with a stopover. To see your options, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to tour the city of your choice. Popular stopovers include:
- Amsterdam Schiphol Airport (AMS)
- Paris Charles de Gaulle Airport (CDG)
- Manchester Airport (MAN)
Travelling from central Dublin to DUB takes around 30 minutes by public transport. If you drive, ride-share or take a taxi, you'll cover the 8 kilometres in 25 minutes or so, depending on traffic.
Have an early flight from Dublin Airport to London? Avoid the last-minute rush to the airport (and sneak in some extra snooze time) by choosing one of these stays close to DUB:
77% of flights that take off from Dublin Airport land at their destination on schedule.

How to find the cheapest flights from Dublin Airport (DUB) to London

The best price we've seen for a one-way Dublin Airport to London flight is $21. The cheapest price for a return flight is $45. Remember fares can change due to availability at the time of booking.
To score cheap flights from DUB to London, reserve your trip seven months before your departure.
The best month for finding cheap Dublin Airport to London tickets is December. Use the 'Whole month' tool to compare prices, then choose the dates offering the lowest fares.
Picking up a cheap flight from DUB to London is a breeze with Price Alerts. All you need to do is set up one of these automatic notifications and we'll let you know when a deal gets even better.
Save money on your flight from Dublin Airport to London with the help of our filters. Select your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in London

London Heathrow Airport (LHR)

The distance from London Heathrow Airport (LHR) to central London is roughly 24 kilometres. It takes about 45 minutes to get to the centre driving.
It typically takes 25 minutes to get there using public transport.
Consider staying in a hotel near LHR if you're coming in on a late flight from Dublin Airport to London. Settle into one of these options and make your arrival easier:
Booking your ride from London Heathrow Airport about one week in advance of your flight from DUB to London can help you get the lowest rate.

London Gatwick Airport (LGW)

London Gatwick Airport (LGW) is about 48 kilometres from central London. Once you've hopped off your flight from Dublin Airport to London, it'll take you around 1 hour 5 minutes to reach the heart of the city in a taxi or ride-share.
If you choose to travel on public transport, the journey will take you 1 hour 20 minutes or so.
There are some great places ready to welcome you near LGW. Unwind and get cosy after your DUB to London flight at one of these well-located options:
Avoid paying more than you need to. Reserving your ride three weeks before your arrival at LGW will help you save.

London Stansted Airport (STN)

Head to the city centre after your flight from Dublin Airport to London has landed. Central London is about 56 kilometres from London Stansted Airport (STN) and takes roughly 1 hour 5 minutes to reach by car.
If you travel by public transport, the journey takes about 45 minutes.
Enjoy a quiet, low-key start to your break by staying at a hotel near STN after your DUB to London flight. Rest up after a long day of travel or just give yourself time to get your bearings in a new destination at:
Around four weeks ahead of your flight from Dublin Airport to London is a good time to book your ride from STN. You're more likely to get a better rate or pick up some early bird promotions.

Best time to go to London

It's time to work out your trip dates for your flight from Dublin Airport to London. July is the most popular month for a trip to London. If you like a more relaxed vibe, go in January.
Before booking a Dublin Airport to London plane ticket, think about what kind of weather works for you. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).
January has average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for a cheap ticket from DUB to London around that time if you like cooler conditions.

More about London

Once you've booked your flight from Dublin Airport to London, find a hotel that keeps you close to what you want to see. Make one of these options your base for exploring London:
Westminster Abbey and The British Museum are just a couple of the big attractions to add to your London travel itinerary. Continue your sightseeing adventures at Big Ben.

Explore more of the United Kingdom

London is always a good idea, but there are so many other parts of the United Kingdom just waiting to be discovered. Around 257 kilometres northwest of London, a trip to Manchester will keep you on the go. Start with leading attractions like Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.
If you're eager to discover another well-known destination in the United Kingdom, head for Birmingham, roughly 161 kilometres northwest of London. Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience are among its highlights.