Question 1

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

Accepted Answer

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as €200. In contrast, the most expensive time of day to depart to London is in the afternoon when prices are around €751.

Question 2

Can stopping save me money on Dublin to London flights?

Accepted Answer

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

Question 3

Which airlines fly to London?

Accepted Answer

British Airways, Aer Lingus and Ryanair are the top three most popular airlines that fly to London from Dublin according to our data. British Airways is the first choice among our users, with 60% of people opting to fly with this airline when travelling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Question 4

How often are flights from Dublin to London delayed?

Accepted Answer

Historically, on average around 16% of flights between Dublin and London have experienced a delay on any given week. The average delay length over the past 12 months has been 102 minutes.

Question 5

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

Accepted Answer

522 flights are operational weekly from Dublin to London as of December 2025. The most popular departure day for this route is Sun, with 19% of flights per week taking off on this day.

Question 6

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

Accepted Answer

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

Question 7

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

Accepted Answer

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

Question 8

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

Accepted Answer

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

Question 9

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 10

Which airline has the best punctuality record on Dublin to London 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 11

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

Accepted Answer

Our data shows that Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as €285. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to London for around €669.

Question 12

What is the cheapest Dublin to London flight route?

Accepted Answer

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

Question 13

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

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from €67 to €144.
The lowest price recently found on this route was €48.

Question 14

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

Accepted Answer

74 flights are operational daily from Dublin to London as of December 2025. The most popular departure time for this route is 08:00, with 42% of flights per day taking off at midday.

Question 15

How have Dublin to London flight prices changed over time?

Accepted Answer

As of December 2025, prices for Dublin to London flights are approximately 54% more expensive when compared to flights at the same time last year.

Question 16

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

Accepted Answer

You are more likely to see cheaper flights to London from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around €142 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Dublin for as low as €106 on momondo.

Question 17

What is the cheapest month to fly to London?

Accepted Answer

In general, January is the cheapest month to fly from Dublin to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €63. If you are unable to visit London during the month of January, then departing from Dublin during the month September is also very affordable. Most momondo users find prices during this month for around €74.

Question 18

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

Accepted Answer

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

Question 19

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

Accepted Answer

There are 3 operators available for flights from Dublin Airport to London as of December 2025.

Question 20

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

Accepted Answer

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.

Question 21

What documentation or ID do you need to fly to London?

Accepted Answer

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

Best price found	€24
Fastest flight time	1h 15m
Direct flights	Every day
Airports in London	1 airport

Airline	Rating	Free Cancellation	Price
Ryanair	PriceFrom €45	Free Cancellation	Rating 6.8 5,212 reviews	Search Ryanair flights
British Airways	PriceFrom €84	Free Cancellation	Rating 6.7 7,563 reviews	Search British Airways flights
Aer Lingus	PriceFrom €106	Free Cancellation	Rating 7.2 1,389 reviews	Search Aer Lingus flights

Cheap flights from Dublin to London 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 Dublin to London departing on 16/12. 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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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?

What is the cheapest month to fly to London?

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

Our data shows that Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as €285. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to London for around €669.

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

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as €200. In contrast, the most expensive time of day to depart to London is in the afternoon when prices are around €751.

What is the cheapest Dublin to London flight route?

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

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

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

There are 3 cabin classes available to choose from on Dublin to London 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 Dublin to London flights?

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

How have Dublin to London flight prices changed over time?

As of December 2025, prices for Dublin to London flights are approximately 54% more expensive when compared to flights at the same time last year.

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

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

Which airlines fly to London?

How often are flights from Dublin to London delayed?

Historically, on average around 16% of flights between Dublin and London 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 Dublin to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night 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 Dublin to London 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 Dublin to London on average per day?

74 flights are operational daily from Dublin to London as of December 2025. The most popular departure time for this route is 08:00, with 42% of flights per day taking off at midday.

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

522 flights are operational weekly from Dublin to London as of December 2025. The most popular departure day for this route is Sun, with 19% of flights per week taking off on this day.

When to book flights from Dublin to London

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

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How far is Dublin to London by plane?

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

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

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

What documentation or ID do you need to fly to London?

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

What is the most popular airline from Dublin to London?

Best airlines flying from Dublin to London

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Aer Lingus Flights From Dublin to London

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