Cheap flights from Dublin to London from €20
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 14/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Dublin to London
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
British Airways flights from Dublin to London
Our best British Airways deals on Dublin to London flight tickets
Aer Lingus flights from Dublin to London
Our best Aer Lingus deals on Dublin to London flight tickets
See travel insights to London from
How to get the cheapest flight ticket from Dublin to London
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?
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 €67. If you are unable to visit London during the month of January, then departing from Dublin during the month November is also very affordable. Most momondo users find prices during this month for around €78.
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 €347. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to London for around €677.
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 €165. In contrast, the most expensive time of day to depart to London is in the afternoon when prices are around €812.
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?
You are more likely to see cheaper flights to London from Dublin when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to London for around €137 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Dublin for as low as €85 on momondo.
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.
What is the cheapest airline that flies from Dublin to London?
Ryanair, British Airways, and Aer Lingus are the most popular carriers operating from Dublin to London
Which airlines fly to London?
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 65% 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.
How many flights depart from Dublin to London on average per day?
88 flights are operational daily from Dublin to London as of April 2025. The most popular departure time for this route is 12:00, with 43% of flights per day taking off in the afternoon.
How many flights depart from Dublin to London on average per week?
618 flights are operational weekly from Dublin to London as of April 2025. The most popular departure day for this route is Thu, with 17% 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
Find info about flight duration, direct flights, and airports for your flight from Dublin to London
How far is Dublin to London by plane?
The distance between Dublin and London is about 463.4 km. A reasonable flight in good conditions will take 1h 05m.
When did momondo last update prices for flights from Dublin Airport to London?
Prices for flights from Dublin Airport to London were last updated today.
How many operators does momondo search for flights from Dublin Airport to London?
There are 3 operators available for flights from Dublin Airport to London as of April 2025.
How old do you have to be to fly from Dublin Airport to London?
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.
What documentation or ID do you need to fly to London?
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.
What is the most popular plane model from Dublin to London?
Based on momondo bookings for flights between Dublin and London, the leading plane model is Airbus A320neo, making up 15.35% of the total bookings. Other popular models include Airbus A321neo with 15.08%, Boeing 737-800 Passenger/BBJ2 (winglets) with 14.03%, and Airbus A320-100/200 with 9.13%.
What is the most popular airline from Dublin to London?
momondo data reveals that the most frequently booked airline on the route from Dublin to London is British Airways, representing 64% of all bookings. The subsequent popular airlines are Aer Lingus at 34% and Ryanair at 3%.
Best airlines flying from Dublin to London
Compare and see reviews for airlines that fly from Dublin to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €37 | Free Cancellation | Rating 6.1 95 reviews | |||
| PriceFrom €71 | Free Cancellation | Rating 6.6 6,718 reviews | |||
| PriceFrom €98 | Free Cancellation | Rating 7.0 1,060 reviews |
Aer Lingus Flights From Dublin to London
Across 136 Aer Lingus flights from Dublin to London this week, the average price was €170, with the best Aer Lingus deals starting from €107 round-trip. 1,060 users have rated Aer Lingus on momondo, with an average score of 7.0/10.
British Airways Flights From Dublin to London
Another popular option for Dublin to London flights is British Airways (6.6/10, 6,718 ratings). British Airways flies from Dublin to London around 136 times per week, with deals starting from €78 round-trip and rising to an average price of around €145.
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy 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?
Yes. momondo allows you to filter the results for Dublin to London flights to just show those with flexible booking policies.
How can momondo help me find flights from Dublin to London?
Once all potential Dublin to London 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 Dublin to London right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to London from Dublin. 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.