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Cheap flights from London to Dublin from $21

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Dublin departing on 4/26. 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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Cheap London to Dublin (LON to DUB) flight deals and tips

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

Best Price Found

$21

Fastest flight time

1h 15m

Direct flights

Every day

Airports in Dublin

1 airport
The best one-way flight to Dublin from London in the past 72 hours is $21. The best round-trip flight deal from London to Dublin found on momondo in the last 72 hours is $39.
The fastest flight from London to Dublin takes 1h 15m
Direct flights go from London to Dublin every day.
There is 1 airport near Dublin: Dublin (DUB)

How to get the cheapest flight ticket from London to Dublin

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 from London to Dublin?

January. The cheapest time of year to fly to Dublin from London is January. Most expensive is August

What is the cheapest day to depart London for Dublin?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Friday

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

In the evening. London to Dublin flights are approximately 38% more expensive at noon than in the evening

What is the cheapest airline that flies to Dublin from London?

Ryanair. Aer Lingus, British Airways, and Ryanair are the most popular carriers operating from London to Dublin

What is the cheapest London to Dublin flight route?

London Gatwick - Dublin. Fly from London Gatwick to Dublin for the best London - Dublin flight prices

How far in advance should you book London to Dublin flights?

50 days before. The cheapest time to buy a flight from London to Dublin is approximately 50 days to departure

How many flights depart from London to Dublin on average per day?

74 flights are operational weekly from London to Dublin as of March 2024. The most popular departure time for this route is 7:00AM, with 42% of flights per day taking off at noon.

How many flights depart from London to Dublin on average per week?

524 flights are operational weekly from London to Dublin as of March 2024. The most popular departure day for this route is Monday, with 21% of flights per week taking off on this day.

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

There are 2 cabin classes available to choose from on London to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Dublin flights?

No. A direct flight is the cheapest option for a flight between London to Dublin.

If you are looking to fly from London to Dublin, you are most likely going to fly from London Heathrow Airport to Dublin Airport, the most popular airports on that route. When booking your trip to Dublin, it is helpful to have an alternative airport to fly out of. The nearest airport to London Heathrow Airport is London Gatwick Airport which is located in London. In March, $39 is typically the cheapest round trip price you’ll find from London to Dublin which you can find when you fly LGW — DUB.

London Gatwick Airport (LGW) to Dublin Airport (DUB)$39
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London Heathrow Airport (LHR) to Dublin Airport (DUB)$99
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Easily compare round-trip flights from London to Dublin

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from London to Dublin by changing tabs
Ryanair
Apr 16
LGW7:55 pmLondon Gatwick
1h 25m
DUB9:20 pmDublin
Apr 17
DUB6:55 pmDublin
1h 25m
LGW8:20 pmLondon Gatwick
British Airways
Sep 14
LHR9:00 pmLondon Heathrow
1h 25m
DUB10:25 pmDublin
Sep 17
DUB8:15 pmDublin
1h 20m
LHR9:35 pmLondon Heathrow
Ryanair
Apr 16
LGW8:35 pmLondon Gatwick
1h 25m
DUB10:00 pmDublin
Apr 23
DUB6:00 pmDublin
1h 20m
LGW7:20 pmLondon Gatwick
Ryanair
Apr 26
LGW10:00 pmLondon Gatwick
1h 25m
DUB11:25 pmDublin
Apr 28
DUB7:05 amDublin
1h 25m
LGW8:30 amLondon Gatwick
Ryanair
Apr 27
LGW6:45 pmLondon Gatwick
1h 25m
DUB8:10 pmDublin
Apr 28
DUB7:05 amDublin
1h 25m
LGW8:30 amLondon Gatwick
Multiple Airlines
Apr 26
LHR7:35 pmLondon Heathrow
1h 20m
DUB8:55 pmDublin
May 1
DUB8:10 amDublin
1h 30m
LHR9:40 amLondon Heathrow

Find the cheapest one-way flights from London to Dublin

If you're looking for one-way flights from London to Dublin, view some of our deals below provided by British Airways and Ryanair
Ryanair
Apr 26
LGW10:00 pmLondon Gatwick
1h 25m
DUB11:25 pmDublin
Ryanair
Apr 29
LGW9:30 pmLondon Gatwick
1h 25m
DUB10:55 pmDublin
British Airways
Sep 10
LHR6:55 amLondon Heathrow
1h 25m
DUB8:20 amDublin

Search last-minute flights to Dublin from London

Find and compare round-trip flight prices for your last-minute flight from London to Dublin
Ryanair
Mar 26
LGW8:50 amLondon Gatwick
1h 20m
DUB10:10 amDublin
Mar 30
DUB5:50 pmDublin
1h 30m
LGW7:20 pmLondon Gatwick
Ryanair
Mar 26
LGW8:50 amLondon Gatwick
1h 20m
DUB10:10 amDublin
Mar 27
DUB6:50 amDublin
1h 30m
LGW8:20 amLondon Gatwick
British Airways
Mar 23
LHR8:30 amLondon Heathrow
1h 25m
DUB9:55 amDublin
Mar 23
DUB1:00 pmDublin
1h 30m
LHR2:30 pmLondon Heathrow
Ryanair
Mar 26
LGW8:50 amLondon Gatwick
1h 20m
DUB10:10 amDublin
Mar 31
DUB7:05 amDublin
1h 25m
LGW8:30 amLondon Gatwick
Ryanair
Mar 26
LGW8:50 amLondon Gatwick
1h 20m
DUB10:10 amDublin
Mar 26
DUB7:30 pmDublin
1h 30m
LGW9:00 pmLondon Gatwick
Ryanair
Mar 26
LGW8:50 amLondon Gatwick
1h 20m
DUB10:10 amDublin
Apr 6
DUB4:55 pmDublin
1h 25m
LGW6:20 pmLondon Gatwick

Best airlines flying from London to Dublin

Compare and see reviews for airlines that fly from London to Dublin with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom $30Free CancellationRating
6.8
6,416 reviews
Search Ryanair flights
Aer LingusPriceFrom $68Free CancellationRating
7.2
1,404 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $70Free CancellationRating
6.8
7,015 reviews
Search British Airways flights
  • Aer Lingus Flights From London to Dublin

    Aer Lingus is one of the most popular airlines flying from London to Dublin, operating 169 flights/week on average for this route. A good Aer Lingus flight deal for London to Dublin starts from $68 round-trip, up to an average price of $150. Our users have rated Aer Lingus at 7.2/10.

  • Ryanair Flights From London to Dublin

    Ryanair (6.8/10 from 6,416 reviews) operates around 53 flights from London to Dublin in any given week. The average Ryanair airfare for this route is around $57, with deals from around $30 rare but found on momondo. Referenced prices are for round-trip London to Dublin flight searches in the last 72 hours.


British Airways flights from London to Dublin

Our best British Airways deals on London to Dublin flight tickets
British Airways
Sep 14
LHR9:00 pmLondon Heathrow
1h 25m
DUB10:25 pmDublin
Sep 17
DUB8:15 pmDublin
1h 20m
LHR9:35 pmLondon Heathrow
British Airways
Apr 16
LHR9:00 pmLondon Heathrow
1h 25m
DUB10:25 pmDublin
Apr 23
DUB7:45 amDublin
1h 25m
LHR9:10 amLondon Heathrow
British Airways
Sep 13
LHR9:00 pmLondon Heathrow
1h 25m
DUB10:25 pmDublin
Oct 1
DUB8:15 pmDublin
1h 20m
LHR9:35 pmLondon Heathrow

Ryanair flights from London to Dublin

Our best Ryanair deals on London to Dublin flight tickets
Ryanair
Apr 16
LGW7:55 pmLondon Gatwick
1h 25m
DUB9:20 pmDublin
Apr 17
DUB6:55 pmDublin
1h 25m
LGW8:20 pmLondon Gatwick
Ryanair
Apr 16
LGW8:35 pmLondon Gatwick
1h 25m
DUB10:00 pmDublin
Apr 23
DUB6:00 pmDublin
1h 20m
LGW7:20 pmLondon Gatwick
Ryanair
Apr 26
LGW10:00 pmLondon Gatwick
1h 25m
DUB11:25 pmDublin
Apr 28
DUB7:05 amDublin
1h 25m
LGW8:30 amLondon Gatwick

  • How far is London to Dublin by plane?

    There are 287.9 mi between London and Dublin. 1h 15m is a normal flight duration for this route.

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

    Prices for flights from London to Dublin Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Dublin Airport.

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

    The necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Alternative routes for London to Dublin

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Liverpool to Dublin Flights
Fastest flight time0h 55m
Cheapest price$100
London to Shannon Flights
Fastest flight time1h 30m
Cheapest price$185
London to Cork Flights
Fastest flight time1h 15m
Cheapest price$345
Birmingham to Dublin Flights
Fastest flight time1h 00m
Cheapest price$239
Manchester to Dublin Flights
Fastest flight time1h 00m
Cheapest price$274

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Dublin. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from London to Dublin with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential London to Dublin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Dublin from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


An easier way to manage your Dublin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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