Cheap Flights from Dublin to London Heathrow

Q: How much are return flights from Dublin to London Heathrow?

The best price we found for a return flight from Dublin to London Heathrow is Rs24,502. 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.

Q: How long does it take to fly from Dublin to London Heathrow?

1 hour and 26 minutes is the average flight time from Dublin to London Heathrow.

Q: Which airlines fly direct from Dublin to London Heathrow?

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

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

As of April 2025, there are 578 flights per week flying from Dublin to London Heathrow.

Q: When is the cheapest time to fly from Dublin to London Heathrow?

The cheapest month to fly from Dublin to London Heathrow is usually April 2025.

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to London Heathrow Airport on Tuesday, 9 December 2025 .

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

Yes – the average flight time is 1 hour and 26 minutes.

Q: How can I find the best flight deal to London Heathrow?

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 Heathrow 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.

Q: 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.

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

Currently, British Airways offers the cheapest flight tickets to London Heathrow.

Compare Dublin to London Heathrow flight deals

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

Book the best London Heathrow fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Dublin to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Dublin to London Heathrow? Find the lowest prices on one-way and return tickets right here.

London.Rs9,260 per passenger.Departing Tue, 10 Mar.One-way flight with British Airways.Outbound direct flight with British Airways departs from Dublin on Tue, 10 Mar, arriving in London Heathrow.Price includes taxes and charges.From Rs9,260, select.

London.Rs9,546 per passenger.Departing Thu, 15 Jan.One-way flight with British Airways.Outbound direct flight with British Airways departs from Dublin on Thu, 15 Jan, arriving in London Heathrow.Price includes taxes and charges.From Rs9,546, select.

London.Rs9,643 per passenger.Departing Tue, 3 Feb.One-way flight with British Airways.Outbound direct flight with British Airways departs from Dublin on Tue, 3 Feb, arriving in London Heathrow.Price includes taxes and charges.From Rs9,643, select.

London.Rs9,643 per passenger.Departing Tue, 9 Dec.One-way flight with British Airways.Outbound direct flight with British Airways departs from Dublin on Tue, 9 Dec, arriving in London Heathrow.Price includes taxes and charges.From Rs9,643, select.

London.Rs10,265 per passenger.Departing Wed, 5 Nov.One-way flight with British Airways.Outbound direct flight with British Airways departs from Dublin on Wed, 5 Nov, arriving in London Heathrow.Price includes taxes and charges.From Rs10,265, select.

London.Rs10,576 per passenger.Departing Fri, 31 Oct.One-way flight with British Airways.Outbound direct flight with British Airways departs from Dublin on Fri, 31 Oct, arriving in London Heathrow.Price includes taxes and charges.From Rs10,576, select.

London.Rs10,763 per passenger.Departing Wed, 16 Jul.One-way flight with British Airways.Outbound direct flight with British Airways departs from Dublin on Wed, 16 Jul, arriving in London Heathrow.Price includes taxes and charges.From Rs10,763, select.

London.Rs11,335 per passenger.Departing Wed, 24 Sep.One-way flight with British Airways.Outbound direct flight with British Airways departs from Dublin on Wed, 24 Sep, arriving in London Heathrow.Price includes taxes and charges.From Rs11,335, select.

Find the cheapest month to fly from Dublin to London Heathrow

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

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Direct flights from Dublin to London Heathrow

Dublin to London Heathrow: Alternative routes

Compare routes from Dublin to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Dublin to London: Flight information

The things to know before you go.

Cheapest flight found	Rs9,260
Cheapest month to fly	March
Average flight time	1 hr, 26 mins
Most popular airline	British Airways
Average flights per week	578

Finding cheap flights from Dublin to London Heathrow: Frequently asked questions

How much are return flights from Dublin to London Heathrow?

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

Which airlines fly direct from Dublin to London Heathrow?

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

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

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

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

How can I find the best flight deal to London Heathrow?

When is the best time to book flights to London?

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

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

Expect to be in the air for around 1 hour 24 minutes. That's the average journey time for a direct flight from Dublin Airport to London Heathrow Airport. Dublin and London share the same timezone (UTC+0).
Flights from Dublin Airport to London Heathrow Airport start from 06:30 — the earliest with Aer Lingus. The latest flight in the day is the 22:25 service with Aer Lingus. In total, there are 350 weekly services from DUB to LHR.
Flying over a peak time like August? Public holidays and other high seasons can mean longer queues at check-in and security. Play it safe and get there up to four hours before an international flight and two hours before domestic departures.
Travelling to London (and then discovering more of United Kingdom!) is simple with Aer Lingus. This popular airline has direct flights from Dublin Airport to London Heathrow Airport.
We make it easy to book a flight with a stopover. To see your options for flights from Dublin Airport to London Heathrow Airport, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to tour the city of your choice. Popular stopovers between DUB and LHR include:
- Manchester Airport
- Glasgow International Airport
- Newcastle International Airport
To see whether you need a visa to enter United Kingdom, check with your carrier and the local embassy or consulate. They'll have all the necessary information, including other paperwork you may need after booking your cheap ticket from DUB to LHR.

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

Rs9,260 is currently the best price for a one-way ticket from Dublin Airport to London Heathrow Airport. Return flights start at Rs24,502. These prices may change depending on availability.
To score cheap flights from DUB to LHR, book your trip 4 months ahead of your planned departure.
December is the cheapest month for tickets from Dublin Airport to London Heathrow Airport. If you're looking to travel during a different time of year, the 'Whole month' tool will show you the lowest airfares across every month.
Log into your online account or use the app to create a Price Alert. You'll get notified straight away if there's a better deal on this route. It's simple to do, and it'll save you time checking for cheap flights from DUB to LHR every day.
Take advantage of filters to find the right journey for you. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Dublin Airport to London Heathrow Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about Dublin Airport (DUB)

Located around 21 kilometres from the centre of Dublin, Dublin Airport can be reached in about 29 minutes by car (depending on traffic). The journey by public transport will take roughly 2 hours and 9 minutes.
Want a leisurely start to your holiday? Stay near DUB. Whether you've booked an early flight from Dublin Airport to London Heathrow Airport or want to avoid feeling rushed, these hotels are ideal:

Arriving at London Heathrow Airport (LHR)

The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Dublin Airport to London Heathrow Airport. Check in to one of these accommodation options near LHR instead:

Getting from London Heathrow Airport (LHR) to central London

London Heathrow Airport is approximately 31 kilometres from central London. With a car rental or if you're catching a cab, the drive is about 57 minutes.
When travelling by public transport, expect a journey time of about 1 hour and 1 minute.

When to fly to London Heathrow Airport (LHR)

The quietest month for a flight from Dublin Airport to London Heathrow Airport is February, while July is the most popular. Choose the best time to go to London based on whether you prefer a bustling atmosphere or a more laid-back vibe.
When booking your flight from Dublin Airport to London Heathrow Airport, think about the type of weather you like. July is the warmest month in London, with temperatures ranging from 11ºC to 26ºC.
January sees average temperatures of between 0ºC and 9ºC. Look for cheap flights from DUB to LHR sometime around then if you like travelling in cooler conditions.

More about London

Start your London trip right by finding an amazing stay. After booking your flight from DUB to LHR, explore our hotel options including:
Big Ben and The British Museum are just a couple of the big attractions to put on your London itinerary. Keep the sightseeing going at Buckingham Palace.
Look into your options for jetting into London Gatwick Airport (LGW) or Stansted Airport (STN). They're other international airports that serve London.

Complete your London trip with hotels and a car rental

You've booked your cheap ticket to London Heathrow Airport — now it's time to find a place to stay, and perhaps even a set of wheels. We've compared prices across hundreds of companies to bring you the top hotels and car rental deals in London.