Cheap Flights from London to Dublin

Looking to save money on cheap airline tickets for flights London to Dublin? Whether it’s for leisure or for work, Trip.com will find the best deal available by business class or with a cheap last-minute deal.
Travel requirements: Flights London to Dublin
Passengers vaccinated and unvaccinated can currently travel freely from London to Dublin. In March 2022, both the UK and Ireland lifted all their COVID-related travel restrictions, so passengers will have low entry requirements when arriving in Dublin and returning to London.
COVID restrictions: As of June 2022, Ireland has no COVID-19 travel restrictions in place. Passengers travelling to Dublin no longer need to show proof of vaccination, proof of recovery or a negative PCR test result upon arrival, and there are no post-arrival testing or quarantine requirements.
Returning to London: United Kingdom has no COVID-19 travel restrictions in place. Arriving passengers from any country will not need to quarantine, present proof of vaccination or have a COVID-19 test, nor are they required to have any travel/medical insurance.
For updated information regarding the travel restrictions for flights London to Dublin, check out our United Kingdom to Ireland Latest Travel Restrictions Page for more details.
Essential information: Flights London to Dublin
Average flight time: 1 hr 19mins
Flights per week: approx. 789
Time difference between London and Dublin: No time difference
Each year, millions of British tourists travel to Ireland on holiday or for work, and many of them head straight to Dublin. This makes flights London to Dublin a highly popular route. Passengers can choose from both budget and national airlines including British Airways, Ryanair, and Aer Lingus. The most popular airline operating this route is London to Dublin flights Aer Lingus. As the flag carrier of Ireland, Aer Lingus offers 25-32 direct flights daily from London City Airport, London Gatwick and Heathrow Airport, depending on the month. For passengers who prefer to fly British, London to Dublin flights British Airways offers around 30 flights a day from three London airports. Many additional airlines also operate flights London to Dublin if passengers don’t mind one stopover, such as London to Dublin flights Air France and London to Dublin flights Lufthansa.
London to Dublin flight time/duration range from 1 hr 10 mins to 1 hr 35 mins. The earliest flight departs from London (LHR) at 06:10 and arrives in Dublin (BCN) at 09:20. The latest flight departs from London (LGW) at 21:50 and arrives in Dublin (BCN) at 01:05.
Flights London to Dublin depart from five London airports, including London City Airport and Heathrow Airport. Arriving in Dublin, all flights land at the city’s only main airport, Dublin Airport (DUB). As departing flights can take off from multiple airports and terminals in London, passengers should pay extra attention to their tickets to avoid delays.
Cheap flights and ticket options: Flights London to Dublin
Cheapest direct one way: £8
Cheapest direct return: £56
Cheapest months to travel: June and September
Most expensive months to travel: July and December
Most popular airline: Aer Lingus
Passengers have the choice of between 70-80 direct and indirect daily departures for flights London to Dublin. While London to Dublin flight price/cost varies based on the time of the year, airline and flight types, there’s an abundance of fantastic airfare deals, cheap ticket choices and flexible fares year-round to be had.
Though the average rate for a one way ticket is between £10-15, the cheapest fare is out there for only £8. Bargain seekers won’t find any better deals than this price for London to Dublin direct flights and London to Dublin flights one way. The lowest price for flights from London to Dublin return is an incredible £17. What about flying business or first class? London to Dublin first class flights start from £185 one way or £279 return.
According to Trip.com's data, the most expensive months for airfare for London to Dublin are July and December, when the average one way fare is between £15-25. For specific dates, the price increases to over £50. In contrast, passengers who like to travel in the off-season for the lowest fares, during June and September, passengers can often find cheap fares of around £8. For cheap fares during the week, by analyzing data from all airlines on Trip.com, passengers can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
The best ways to and from the airport
Flight from London to Dublin depart from five London airports, London City Airport (LCY), Gatwick Airport (LGW), Heathrow Airport (LHR), London Luton Airport (LTN) and London Stansted Airport (STN). There are several ways travellers can reach each airport from central London. Hailing a taxi, booking a private transfer or hopping on public transportations are all easy options. But the fastest and most cost-effective transport choices include: the Docklands Light Railway Line from London City Airport Station; The Heathrow Express train from London Paddington (approx. 15 minutes); The Gatwick Express from London Victoria (approx. 30 minutes); Train + shuttle bus to Luton Airport from London St. Pancras (approx. 35 minutes); And the Stansted Express train from London Liverpool Street (approx. 47 minutes).
Arriving in Dublin, flights from London will land at the Dublin Airport (DUB). Located only 10 km (approx. 6 miles) from the city centre, several transport options connect the airport to the downtown. By bus, visitors can access over 1,000 buses and coaches daily from the Dublin Airport bus zones, where different bus stops and bus companies are located. Dublin Express is a premium quality coach service that links the airport and over 15 notable stops across Dublin centre, including Temple Bar, Trinity College and O’Connell Street. The coach departs from outside the doors of Terminals 1 & 2. Prefer the convenience of a tax? Passengers should follow taxi signage from Terminal 1 and Terminal 2 to outside taxi ranks. All licensed taxis will use taximeters as their charging system.
Places to visit in Dublin
World-famous for its charming hospitality, renowned literary figures and excellent pubs and brew, Dublin is the perfect destination for a fun weekend or a culture-packed vacation. Known for its four-seasons-in-one-day kind of weather, the best time to visit Dublin is from June to August as the heat is mild and there are numerous festivals to fill the streets. But this also means high hotel and airfare prices.
What to see in just a few days? This capital city of the Republic of Ireland has history, culture and whimsy in abundance. Dublin’s number one attraction is Trinity College. The oldest university in Ireland was founded in the 16th century by Queen Elizabeth I. Escape the urban hustle and bustle by heading to St. Stephen's Green. This 22-acre park is a great place to people watch as locals relax on the grass or feed the ducks in the pond. Located at the top of Kildare Street is the grand building that houses the Irish Parliament. Close by is the National Library which has a permanent W.B. Yeats exhibition. Dublin has several magnificent churches, and the most well-known are the Christ Church Cathedral and St. Patrick's Cathedral, which is the national cathedral of the Church of Ireland.