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Cheap flights from Dublin to London Heathrow Airport from €32

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to London Heathrow Airport departing on 30/7. 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

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Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Dublin to London.
British Airways Logo
08:45 - 10:20DUB-LHR
1h 35mdirect
British Airways Logo
06:20 - 07:45LHR-DUB
1h 25mdirect
€78British Airways
Find Deal
Mon, 6 Oct - Tue, 7 Oct
British Airways Logo
20:20 - 21:40DUB-LHR
1h 20mdirect
British Airways Logo
06:20 - 07:45LHR-DUB
1h 25mdirect
€82British Airways
Find Deal
Tue, 3 Jun - Tue, 10 Jun
Aer Lingus Logo
12:00 - 13:25DUB-LHR
1h 25mdirect
Aer Lingus Logo
21:10 - 22:30LHR-DUB
1h 20mdirect
€83Aer Lingus
Find Deal
Wed, 21 May - Sat, 31 May
 Logo
19:00 - 20:20DUB-LHR
1h 20mdirect
 Logo
06:15 - 07:40LHR-DUB
1h 25mdirect
Tue, 3 Jun - Wed, 25 Jun
Aer Lingus Logo
19:00 - 20:20DUB-LHR
1h 20mdirect
Aer Lingus Logo
21:10 - 22:30LHR-DUB
1h 20mdirect
€93Aer Lingus
Find Deal
Sat, 24 May - Tue, 27 May
 Logo
19:00 - 20:20DUB-LHR
1h 20mdirect
 Logo
06:15 - 07:40LHR-DUB
1h 25mdirect
€125
Find Deal
Sat, 3 May - Sat, 10 May
KLM Logo
08:55 - 13:50DUB-LHR
4h 55m1 stop
KLM Logo
06:30 - 10:25LHR-DUB
3h 55m1 stop
€178KLM
Find Deal
Wed, 21 May - Wed, 28 May
Scandinavian Airlines Logo
12:40 - 17:40DUB-LHR
5h 00m1 stop
Scandinavian Airlines Logo
06:40 - 11:50LHR-DUB
5h 10m1 stop
€183Scandinavian Airlines
Find Deal
Wed, 4 Jun - Wed, 11 Jun
Scandinavian Airlines Logo
12:40 - 17:40DUB-LHR
5h 00m1 stop
Scandinavian Airlines Logo
06:40 - 11:50LHR-DUB
5h 10m1 stop
€185Scandinavian Airlines
Find Deal
Wed, 4 Jun - Wed, 11 Jun
KLM Logo
11:10 - 16:15DUB-LHR
5h 05m1 stop
KLM Logo
14:45 - 20:15LHR-DUB
5h 30m1 stop
€188KLM
Find Deal
Thu, 12 Jun - Wed, 25 Jun

British Airways flights from Dublin to London Heathrow Airport

Our best British Airways deals on Dublin to London Heathrow Airport flight tickets
British Airways
6 Oct
DUB08:45Dublin
1h 35m
LHR10:20London Heathrow
7 Oct
LHR06:20London Heathrow
1h 25m
DUB07:45Dublin
British Airways
3 Jun
DUB20:20Dublin
1h 20m
LHR21:40London Heathrow
10 Jun
LHR06:20London Heathrow
1h 25m
DUB07:45Dublin
British Airways
17 Oct
DUB20:15Dublin
1h 20m
LHR21:35London Heathrow
21 Oct
LHR06:20London Heathrow
1h 25m
DUB07:45Dublin

Scandinavian Airlines flights from Dublin to London Heathrow Airport

Our best Scandinavian Airlines deals on Dublin to London Heathrow Airport flight tickets
Scandinavian Airlines
4 Jun
DUB12:40Dublin
5h 00m
1 stop
LHR17:40London Heathrow
11 Jun
LHR06:40London Heathrow
5h 10m
1 stop
DUB11:50Dublin
Scandinavian Airlines
4 Jun
DUB12:40Dublin
5h 00m
1 stop
LHR17:40London Heathrow
11 Jun
LHR06:40London Heathrow
5h 10m
1 stop
DUB11:50Dublin
Scandinavian Airlines
4 Jun
DUB12:40Dublin
5h 00m
1 stop
LHR17:40London Heathrow
11 Jun
LHR06:40London Heathrow
11h 35m
1 stop
DUB18:15Dublin

See travel insights to London from

How to get the cheapest flight ticket from Dublin to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Dublin and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Dublin averaging around €113.

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

The cheapest day to depart on your flight to London Heathrow Airport is on a Friday when prices can be found for as low as €487. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Dublin because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €657.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Dublin to London Heathrow Airport in the evening for as low as €156. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €805 on average. Flights to London Heathrow Airport from Dublin in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Dublin to London Heathrow flight route?

Fly from Dublin to London Heathrow for the best Dublin - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Dublin when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around €132 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Dublin for as low as €82 on momondo.

What cabin class options are available on Dublin to London Heathrow flights?

There are 3 cabin classes available to choose from on Dublin to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Dublin to London Heathrow Airport flight prices changed over time?

As of April 2025, prices for Dublin to London Heathrow Airport flights are approximately 110% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Dublin to London Heathrow Airport (DUB to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to London Heathrow Airport

Best price found

€32

Fastest flight time

1h 20m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Dublin in the past 72 hours is €32. The best return flight deal from Dublin to London Heathrow Airport found on momondo in the last 72 hours is €78.
The fastest flight from Dublin to London Heathrow Airport takes 1h 20m
Direct flights go from Dublin to London Heathrow Airport every day.

  • How far is Dublin to London Heathrow by plane?

    The straight-line distance from Dublin to London Heathrow is 445.0 km. By plane, this route typically takes 1h 20m.

  • When did momondo last update prices for flights from Dublin Airport to London Heathrow Airport?

    Prices for flights from Dublin Airport to London Heathrow Airport were last updated today.

  • How many operators does momondo search for flights from Dublin Airport to London Heathrow Airport?

  • How old do you have to be to fly from Dublin Airport to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Dublin to London Heathrow Airport?

  • What is the most popular airline from Dublin to London Heathrow Airport?


Best airlines flying from Dublin to London Heathrow Airport

Compare and see reviews for airlines that fly from Dublin to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom €71Free CancellationRating
6.6
6,780 reviews
Search British Airways flights
Aer LingusPriceFrom €101Free CancellationRating
7.0
1,066 reviews
Search Aer Lingus flights
  • Aer Lingus Flights From Dublin to London Heathrow Airport

    Aer Lingus flight deals from Dublin to London Heathrow Airport start from €115 round-trip. Over the 98 Aer Lingus flights for this route in a normal week, average airfare is usually €172 round-trip - but some users have found much cheaper deals with momondo.

  • British Airways Flights From Dublin to London Heathrow Airport

    Across 6,780 British Airways reviews on momondo, the average score is 6.6/10. British Airways flies from Dublin to London Heathrow Airport about 92 times each week, with ticket deals ranging from €81 to €135. Price data is based on momondo searches in the last 72 hours.


Travelling to a place near London?

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Why use momondo?

Why should I use momondo to find a flight deal from Dublin to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Dublin to London. momondo saves you time and could save you money on your trip.

Can I find flights from Dublin to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Dublin with this policy.

How can momondo help me find flights from Dublin to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dublin to London.

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

If you are not ready to book a flight from Dublin to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


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