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Cheap flights from Dublin to London Heathrow Airport from $36

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 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Dublin to London

Cheap round-trip flights

These are some of the best round-trip flight deals from Dublin to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Dublin to London.

Cheap last minute flights

Planning a quick getaway from Dublin to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Dublin to London

Find recent round-trip train or bus tickets from Dublin to London.

All round-trip flight deals from Dublin to London

The cheapest plane tickets from Dublin to London found on KAYAK recently.
5:50 pm - 7:10 pmDUB-LHR
1h 20mnonstop
6:30 am - 7:55 amLHR-DUB
1h 25mnonstop
$77British Airways
Find Deal
Sat, Mar 8 - Mon, Mar 10
8:35 pm - 9:55 pmDUB-LHR
1h 20mnonstop
6:30 am - 7:55 amLHR-DUB
1h 25mnonstop
$86British Airways
Find Deal
Sat, Mar 8 - Tue, Mar 11
7:45 pm - 9:05 pmDUB-LHR
1h 20mnonstop
7:50 am - 9:10 amLHR-DUB
1h 20mnonstop
$99Aer Lingus
Find Deal
Sat, Feb 15 - Wed, Feb 19
4:30 pm - 5:50 pmDUB-LHR
1h 20mnonstop
8:45 pm - 10:05 pmLHR-DUB
1h 20mnonstop
$122Aer Lingus
Find Deal
Sat, Mar 22 - Sat, Mar 22
2:15 pm - 3:35 pmDUB-LHR
1h 20mnonstop
8:50 pm - 10:30 amLHR-DUB
13h 40m1 stop
Mon, Mar 3 - Tue, Mar 11
5:30 pm - 6:55 pmDUB-LHR
1h 25mnonstop
7:50 am - 9:10 amLHR-DUB
1h 20mnonstop
Sat, Feb 1 - Mon, Feb 3
1:25 pm - 8:50 pmDUB-LHR
7h 25m1 stop
11:45 am - 4:40 pmLHR-DUB
4h 55m1 stop
$176KLM
Find Deal
Sat, Mar 1 - Mon, Mar 3
1:25 pm - 8:50 pmDUB-LHR
7h 25m1 stop
11:45 am - 4:40 pmLHR-DUB
4h 55m1 stop
$177KLM
Find Deal
Sat, Mar 1 - Mon, Mar 3
5:00 am - 10:45 amDUB-LHR
5h 45m1 stop
8:30 am - 4:40 pmLHR-DUB
8h 10m1 stop
$210Lufthansa
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Fri, Mar 21 - Sun, Mar 23
5:00 am - 9:45 amDUB-LHR
4h 45m1 stop
3:30 pm - 10:40 pmLHR-DUB
7h 10m1 stop
$236Lufthansa
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Fri, Mar 7 - Sun, Mar 9
2:55 pm - 4:15 pmDUB-LHR
1h 20mnonstop
$36British Airways
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Tue, Mar 25
5:50 pm - 7:10 pmDUB-LHR
1h 20mnonstop
$37British Airways
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Mon, Mar 17
6:40 am - 8:05 amDUB-LHR
1h 25mnonstop
$48Aer Lingus
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Fri, Feb 7
2:15 pm - 3:35 pmDUB-LHR
1h 20mnonstop
$50Aer Lingus
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Fri, Feb 14
1:15 pm - 8:05 pmDUB-LHR
6h 50m1 stop
$62Vueling
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Mon, Feb 3
12:40 pm - 6:30 pmDUB-LHR
5h 50m1 stop
$74Scandinavian Airlines
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Thu, May 22
9:15 am - 7:10 pmDUB-LHR
9h 55m1 stop
$76Iberia
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Tue, Apr 29
12:30 pm - 9:40 pmDUB-LHR
9h 10m1 stop
$78Scandinavian Airlines
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Wed, Feb 26
11:00 am - 5:15 pmDUB-LHR
6h 15m1 stop
$83Iberia
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Wed, Feb 12
6:45 pm - 2:25 pmDUB-LHR
19h 40m1 stop
$86Vueling
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Wed, Jan 29
5:50 pm - 7:10 pmDUB-LHR
1h 20mnonstop
6:15 pm - 7:35 pmLHR-DUB
1h 20mnonstop
$125British Airways
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Sat, Jan 25 - Mon, Jan 27
5:55 pm - 7:15 pmDUB-LHR
1h 20mnonstop
7:50 am - 9:10 amLHR-DUB
1h 20mnonstop
Wed, Jan 22 - Wed, Feb 5
2:15 pm - 3:35 pmDUB-LHR
1h 20mnonstop
7:50 am - 9:10 amLHR-DUB
1h 20mnonstop
$153Aer Lingus
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Wed, Jan 22 - Wed, Feb 5
6:40 am - 8:05 amDUB-LHR
1h 25mnonstop
8:50 am - 10:15 amLHR-DUB
1h 25mnonstop
$161Aer Lingus
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Fri, Jan 24 - Sun, Jan 26
8:55 am - 1:45 pmDUB-LHR
4h 50m1 stop
9:00 am - 3:40 pmLHR-DUB
6h 40m1 stop
$226Air France
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Wed, Jan 22 - Thu, Feb 6
1:25 pm - 8:50 pmDUB-LHR
7h 25m1 stop
8:40 am - 12:40 pmLHR-DUB
4h 00m1 stop
$227KLM
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Sun, Jan 26 - Sun, Feb 2
5:55 am - 12:05 pmDUB-LHR
6h 10m1 stop
8:40 am - 12:40 pmLHR-DUB
4h 00m1 stop
$238KLM
Find Deal
Sun, Jan 26 - Thu, Jan 30
6:00 am - 1:45 pmDUB-LHR
7h 45m1 stop
2:45 pm - 10:50 pmLHR-DUB
8h 05m1 stop
$241Air France
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Wed, Jan 22 - Tue, Feb 4
3:20 pm - 9:25 pmDUB-LHR
6h 05m1 stop
5:10 pm - 12:05 pmLHR-DUB
18h 55m1 stop
$300SWISS
Find Deal
Wed, Jan 22 - Mon, Feb 3
6:40 pm - 1:00 pmDUB-LHR
18h 20m1 stop
5:25 pm - 2:20 pmLHR-DUB
20h 55m1 stop
$316SWISS
Find Deal
Fri, Jan 24 - Tue, Feb 4
5:50 pm - 7:10 pmDUB-LHR
1h 20mnonstop
6:30 am - 7:55 amLHR-DUB
1h 25mnonstop
$77British Airways
Find Deal
Sat, Mar 8 - Mon, Mar 10
8:35 pm - 9:55 pmDUB-LHR
1h 20mnonstop
6:30 am - 7:55 amLHR-DUB
1h 25mnonstop
$86British Airways
Find Deal
Sat, Mar 8 - Tue, Mar 11
8:30 pm - 9:50 pmDUB-LHR
1h 20mnonstop
6:30 am - 7:55 amLHR-DUB
1h 25mnonstop
$87British Airways
Find Deal
Mon, Mar 3 - Tue, Mar 11
5:50 pm - 7:10 pmDUB-LHR
1h 20mnonstop
6:30 am - 7:55 amLHR-DUB
1h 25mnonstop
$88British Airways
Find Deal
Sat, Mar 8 - Tue, Mar 11
8:40 am - 10:15 amDUB-LHR
1h 35mnonstop
6:15 pm - 7:35 pmLHR-DUB
1h 20mnonstop
$90British Airways
Find Deal
Tue, Feb 25 - Wed, Feb 26
2:55 pm - 4:15 pmDUB-LHR
1h 20mnonstop
6:30 am - 7:55 amLHR-DUB
1h 25mnonstop
$91British Airways
Find Deal
Tue, Mar 11 - Wed, Mar 12
7:45 pm - 9:05 pmDUB-LHR
1h 20mnonstop
7:50 am - 9:10 amLHR-DUB
1h 20mnonstop
$99Aer Lingus
Find Deal
Sat, Feb 15 - Wed, Feb 19
4:30 pm - 5:50 pmDUB-LHR
1h 20mnonstop
8:45 pm - 10:05 pmLHR-DUB
1h 20mnonstop
$122Aer Lingus
Find Deal
Sat, Mar 22 - Sat, Mar 22
6:40 am - 8:05 amDUB-LHR
1h 25mnonstop
4:20 pm - 5:45 pmLHR-DUB
1h 25mnonstop
$133Aer Lingus
Find Deal
Sat, Feb 8 - Sat, Feb 8
5:30 pm - 6:55 pmDUB-LHR
1h 25mnonstop
7:50 am - 9:10 amLHR-DUB
1h 20mnonstop
Sat, Feb 1 - Mon, Feb 3

British Airways flights from Dublin to London Heathrow Airport

Our best British Airways deals on Dublin to London Heathrow Airport flight tickets
British Airways
Mar 8
DUB5:50 pmDublin
1h 20m
LHR7:10 pmLondon Heathrow
Mar 10
LHR6:30 amLondon Heathrow
1h 25m
DUB7:55 amDublin
British Airways
Mar 8
DUB8:35 pmDublin
1h 20m
LHR9:55 pmLondon Heathrow
Mar 11
LHR6:30 amLondon Heathrow
1h 25m
DUB7:55 amDublin
British Airways
Mar 3
DUB8:30 pmDublin
1h 20m
LHR9:50 pmLondon Heathrow
Mar 11
LHR6:30 amLondon Heathrow
1h 25m
DUB7:55 amDublin

KLM flights from Dublin to London Heathrow Airport

Our best KLM deals on Dublin to London Heathrow Airport flight tickets
KLM
Mar 1
DUB1:25 pmDublin
7h 25m
1 stop
LHR8:50 pmLondon Heathrow
Mar 3
LHR11:45 amLondon Heathrow
4h 55m
1 stop
DUB4:40 pmDublin
KLM
Mar 1
DUB1:25 pmDublin
7h 25m
1 stop
LHR8:50 pmLondon Heathrow
Mar 3
LHR11:45 amLondon Heathrow
4h 55m
1 stop
DUB4:40 pmDublin
KLM
Mar 1
DUB1:25 pmDublin
7h 25m
1 stop
LHR8:50 pmLondon Heathrow
Mar 3
LHR11:45 amLondon Heathrow
4h 55m
1 stop
DUB4:40 pmDublin

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 cheapest month to fly to London Heathrow Airport?

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Dublin, with most prices found around $112. If you’re not able to fly to London Heathrow Airport in January, then February is your next best option. Flight prices from Dublin to London Heathrow Airport during February average around $116.

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

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $121. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $159.

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 $146. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $597.

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 $142 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 $94 on momondo.

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

There are 4 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 January 2025, prices for Dublin to London Heathrow Airport flights are approximately 42% 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 round-trip 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

$36

Fastest flight time

1h 15m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Dublin in the past 72 hours is $36. The best round-trip flight deal from Dublin to London Heathrow Airport found on momondo in the last 72 hours is $77.
The fastest flight from Dublin to London Heathrow Airport takes 1h 15m
Direct flights go from Dublin to London Heathrow Airport every day.

  • How far is Dublin to London Heathrow by plane?

    There are 276.5 mi between Dublin and London Heathrow. A reasonable flight in good conditions will take 1h 15m.

  • 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 refresh daily.

  • 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to London Heathrow Airport.

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

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • 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 $77Free CancellationRating
6.6
6,834 reviews
Search British Airways flights
Aer LingusPriceFrom $116Free CancellationRating
7.1
1,082 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 $116 round-trip. Over the 81 Aer Lingus flights for this route in a normal week, average airfare is usually $170 round-trip - but some users have found much cheaper deals with momondo.

  • British Airways Flights From Dublin to London Heathrow Airport

    Across 6,834 British Airways reviews on momondo, the average score is 6.6/10. British Airways flies from Dublin to London Heathrow Airport about 77 times each week, with ticket deals ranging from $77 to $127. Price data is based on momondo searches in the last 72 hours.


Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Dublin.

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

momondo does allow users to show only those flights to London from Dublin which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Dublin to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Dublin and alert you when they change.


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