Question 1

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

Accepted Answer

There are 3 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.

Question 2

Which airline has the best punctuality record on London to Dublin flights?

Accepted Answer

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

Question 3

What is the cheapest day to depart on your flight to Dublin?

Accepted Answer

On average, the least expensive day to fly to Dublin from London is on a Saturday. momondo users have found tickets for Saturday departures for as low as £100. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around £137. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

Question 4

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

Accepted Answer

Ryanair and British Airways are the most popular carriers operating from London to Dublin

Question 5

How have London to Dublin flight prices changed over time?

Accepted Answer

As of January 2026, prices for London to Dublin flights are approximately 15% more expensive when compared to flights at the same time last year.

Question 6

How often are flights from London to Dublin delayed?

Accepted Answer

Historically, on average around 19% of flights between London and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 102 minutes.

Question 7

What is the cheapest time of day to depart on your flight to Dublin?

Accepted Answer

Flying to Dublin from London in the evening is the least expensive time of day to depart. momondo users have found prices as low as £82 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £121 on average. Flights to Dublin from London in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 8

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

Accepted Answer

As of January 2026, there are 456 flights per week flying from London to Dublin. The most common day of the week flights depart is Fri, with 23% of flights taking off on this day.

Question 9

What is the cheapest month to fly to Dublin?

Accepted Answer

In general, January is the cheapest month to fly from London to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £48. If you aren’t able to travel to Dublin during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £54.

Question 10

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

Accepted Answer

As of January 2026, there are 65 flights per day flying from London to Dublin. The most common time of day flights depart is 08:00, with 40% of flights taking off in the afternoon.

Question 11

What is the cheapest London to Dublin flight route?

Accepted Answer

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

Question 12

What is the most punctual flight time for London to Dublin flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 13

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

Accepted Answer

Prices are currently typical for flights on this route.Typical prices usually range from £36 to £75.
The lowest price recently found on this route was £37.

Question 14

How far in advance should I book a flight to Dublin?

Accepted Answer

You are more likely to see cheaper flights to Dublin from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around £127 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from London for as low as £95 on momondo.

Question 15

Which airlines fly to Dublin?

Accepted Answer

Ryanair, British Airways and Aer Lingus are the top three most popular airlines that fly to Dublin from London according to our data. Ryanair is the first choice among our users, with 75% of people opting to fly with this airline when travelling to Dublin. Keep in mind that there are 3 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

Question 16

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Question 17

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

Accepted Answer

Prices for flights from London to Dublin Airport are refreshed on a daily basis.

Question 18

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

Accepted Answer

The number of operators available for flights from London to Dublin Airport is 3 as of January 2026.

Question 19

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

Accepted Answer

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 London to Dublin Airport.

Question 20

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

Accepted Answer

The travel and health documents required for your trip to Dublin 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 license, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best price found	£27
Fastest flight time	1h 15m
Direct flights	Every day
Airports in Dublin	1 airport

Airline	Rating	Free Cancellation	Price
Ryanair	PriceFrom £28	Free Cancellation	Rating 6.9 5,243 reviews	Search Ryanair flights
British Airways	PriceFrom £68	Free Cancellation	Rating 6.7 7,676 reviews	Search British Airways flights
Aer Lingus	PriceFrom £72	Free Cancellation	Rating 7.2 1,435 reviews	Search Aer Lingus flights

Cheap flights from London to Dublin from £19

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 11/2. 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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See travel insights to Dublin from

How to get the cheapest flight ticket from London to Dublin

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

What is the cheapest month to fly to Dublin?

What is the cheapest day to depart on your flight to Dublin?

What is the cheapest time of day to depart on your flight to Dublin?

What is the cheapest London to Dublin flight route?

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

How far in advance should I book a flight to Dublin?

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

There are 3 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.

How have London to Dublin flight prices changed over time?

As of January 2026, prices for London to Dublin flights are approximately 15% more expensive when compared to flights at the same time last year.

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

Ryanair and British Airways are the most popular carriers operating from London to Dublin

Which airlines fly to Dublin?

How often are flights from London to Dublin delayed?

Historically, on average around 19% of flights between London and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 102 minutes.

What is the most punctual flight time for London to Dublin flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on London to Dublin flights?

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

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

As of January 2026, there are 65 flights per day flying from London to Dublin. The most common time of day flights depart is 08:00, with 40% of flights taking off in the afternoon.

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

As of January 2026, there are 456 flights per week flying from London to Dublin. The most common day of the week flights depart is Fri, with 23% of flights taking off on this day.

When to book flights from London to Dublin

Cheap London to Dublin (LON to DUB) flight deals and tips

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

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

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

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