Cheap Flights from Dublin to London Heathrow

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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 round-trip flight from Dublin Airport to London Heathrow Airport? If you want to travel next month, round-trip fares start from AED 423. Find the lowest prices on one-way and round-trip tickets right here.

London.AED 152 per passenger.Departing Sun, Jan 24.One-way flight with British Airways.Outbound direct flight with British Airways departing from Dublin on Sun, Jan 24, arriving in London Heathrow.Price includes taxes and charges.From AED 152, select.

London.AED 177 per passenger.Departing Sat, Feb 27.One-way flight with British Airways.Outbound direct flight with British Airways departing from Dublin on Sat, Feb 27, arriving in London Heathrow.Price includes taxes and charges.From AED 177, select.

London.AED 178 per passenger.Departing Mon, Mar 8.One-way flight with British Airways.Outbound direct flight with British Airways departing from Dublin on Mon, Mar 8, arriving in London Heathrow.Price includes taxes and charges.From AED 178, select.

London.AED 178 per passenger.Departing Mon, Nov 23.One-way flight with British Airways.Outbound direct flight with British Airways departing from Dublin on Mon, Nov 23, arriving in London Heathrow.Price includes taxes and charges.From AED 178, select.

London.AED 185 per passenger.Departing Mon, Dec 21.One-way flight with British Airways.Outbound direct flight with British Airways departing from Dublin on Mon, Dec 21, arriving in London Heathrow.Price includes taxes and charges.From AED 185, select.

London.AED 186 per passenger.Departing Tue, Oct 27.One-way flight with British Airways.Outbound direct flight with British Airways departing from Dublin on Tue, Oct 27, arriving in London Heathrow.Price includes taxes and charges.From AED 186, select.

London.AED 202 per passenger.Departing Wed, Sep 2.One-way flight with British Airways.Outbound direct flight with British Airways departing from Dublin on Wed, Sep 2, arriving in London Heathrow.Price includes taxes and charges.From AED 202, select.

London.AED 205 per passenger.Departing Thu, Apr 29.One-way flight with British Airways.Outbound direct flight with British Airways departing from Dublin on Thu, Apr 29, arriving in London Heathrow.Price includes taxes and charges.From AED 205, select.

London.AED 215 per passenger.Departing Mon, May 24.One-way flight with British Airways.Outbound direct flight with British Airways departing from Dublin on Mon, May 24, arriving in London Heathrow.Price includes taxes and charges.From AED 215, select.

London.AED 218 per passenger.Departing Tue, Jun 1.One-way flight with British Airways.Outbound direct flight with British Airways departing from Dublin on Tue, Jun 1, arriving in London Heathrow.Price includes taxes and charges.From AED 218, select.

London.AED 222 per passenger.Departing Tue, Jul 6.One-way flight with British Airways.Outbound direct flight with British Airways departing from Dublin on Tue, Jul 6, arriving in London Heathrow.Price includes taxes and charges.From AED 222, select.

London.AED 252 per passenger.Departing Tue, Aug 3.One-way flight with British Airways.Outbound direct flight with British Airways departing from Dublin on Tue, Aug 3, arriving in London Heathrow.Price includes taxes and charges.From AED 252, select.

London.AED 277 per passenger.Departing Wed, Aug 26.One-way flight with British Airways.Outbound direct flight with British Airways departing from Dublin on Wed, Aug 26, arriving in London Heathrow.Price includes taxes and charges.From AED 277, 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 January.

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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	AED 152
Cheapest month to fly	January
Average flight time	1 hr, 26 mins
Most popular airline	Aer Lingus
Average flights per week	585

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

How much are round-trip flights from Dublin to London Heathrow?

The best price we found for a round-trip flight from Dublin to London Heathrow is AED 391. 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 Heathrow?

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

Which airlines fly direct from Dublin to London Heathrow?

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

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

There are 595 flights per week flying from Dublin to London Heathrow, as of August 2026.

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

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

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 Saturday, January 16, 2027.

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

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

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.

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.

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

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

London Heathrow Airport is the main airport in the UK and the busiest airport in Europe with over 75 million travelers passing through each year. Two airlines operate flights from Dublin to London Heathrow - Aer Lingus and British Airways. It is also possible to fly to other London airports from Dublin with numerous other airlines.

* This information is correct as of June 2017

Airport Information - Arriving

London Heathrow Airport is situated 20km outside of London and has four operational passenger terminals after the recent closure of Terminal 1 in 2015. Once you have landed at the airport you can be in London in just 15 minutes by taking the Heathrow Express to Paddington Station, although there are also many other ways to travel from the airport including bus, taxi and coach. You can look forward to a huge array of amenities and services at London Heathrow Airport including many leading shops, duty free stores and a wide variety of restaurants, cafes and other eateries.

Airport Information - Departing

Dublin Airport is the busiest airport in Ireland situated just 10km (6m) from the center of Dublin. The airport is home to two passenger terminals and offers all of the amenities you would possibly need. There is a wide selection of shops available at the airport including extensive duty free shopping, while you can also dine at one of numerous restaurants and eateries or enjoy a hot drink at a café. Getting to Dublin Airport is possible by public transport, although the airport offers extensive parking for those with their own vehicles.

What to Expect in London

Irish citizens won’t need to get a visa before traveling to London, but don’t forget that you will still need to show your passport before boarding your flight. In London the weather can be pleasantly warm over the summer but temperatures soon drop over winter, so make sure you pack the right clothes with you. London itself benefits from numerous public transport networks including the London Underground metro so you can easily get around on foot and explore the city. Check out the top hotels in London to make the most out of your visit to the UK.

Further reading on London

Best hotels in London to suit every budget

New and fun things to do and see in London