A Complete Guide to Book Cheap Flights from London to Dublin and Save Money on Trip.com

When planning your flights from London to Dublin, it's important to consider the overall cost. Besides the ticket price, you should factor in extra expenses like transport to and from the airports, baggage fees, and any in-flight services you might need. By taking these into account, you can budget more accurately and make informed choices. Knowing the total cost helps you find the best deals and save money.

London to Dublin: Departure from London Airports

London has several airports, offering convenient flight options to Dublin from three main ones: Heathrow, Gatwick, and Luton. By checking the transport details and flight prices, you can compare and choose the most convenient departure point for you.

Heathrow Airport (LHR), situated 23 kilometres west of London’s city centre, has five terminals, handling flights from all over the world and offering a vast array of facilities. Travellers can reach the airport via the Heathrow Express train, which takes about 15 minutes from Paddington Station.

Gatwick Airport (LGW) is located 45 kilometres from downtown and features two terminals. Gatwick is easily accessible in several ways, ensuring a seamless journey from London city centre, no matter your transport. The Gatwick Express offers a quick 30-minute journey from Victoria Station to the airport.

Luton Airport (LTN), with single one terminal, mainly serves flights to European destinations. Travellers can take a train from St Pancras International, usually taking about 25 minutes, plus a brief shuttle bus ride to reach the airport.

*Transportation prices are approximate and can vary. To get most accurate and up-to-date information, please check trip.com and official websites of respective transportation services.

London to Dublin: Arrival at Dublin Airport

Dublin Airport (DUB) is one of the busiest in Ireland and a major international gateway. The airport has two terminals, serving both domestic and international flights. Terminal 1 handles short-haul flights, with plenty of shops and dining options. Terminal 2 is the larger terminal, catering to long-haul and international flights, offering a wide range of facilities including duty-free shops, restaurants, and car hire services. The airport is about 10 kilometres from Dublin's city centre and usually takes around 20 minutes to reach by car or bus.

London to Dublin: Airline Deals

Several airlines, including Ryanair, Aer Lingus, British Airways, and easyJet, offer cheap flights from London to Dublin on Trip.com. Budget airlines usually have good prices, but they might fly from airports further away and often don't include free checked baggage.

Reviews of Airlines Servicing London-Dublin

Which airlines provide the cheapest flights from London to Dublin?

In March 2025, British Airways offers the cheapest flight at £45.50 (LHR-DUB), while Aer Lingus’ flights are slightly more expensive at £75.50 (LHR-DUB).

*Based on flight prices in March 2025, as sourced from Trip.com's data.

What's the Cheapest Total Travel Cost from London to Dublin?

Let's find out how much a flight from London to Dublin really costs. Budget airlines might look like they have the cheapest tickets at first, but you need to consider all the extra costs. Surprisingly, British Airways offers the lowest price at £83.74, followed by Aer Lingus at £94.10. By choosing the right flights, a family of four can save a lot on travel expenses.

*Based on flight prices in March 2025, as sourced from Trip.com's data.

London to Dublin: Flight Search & Book Flights

London to Dublin: Direct Flights & Flight Time Schedule

London to Dublin: Cheapest Time to Book Flights

Figuring out the best time to book flights from London to Dublin depends on a few things. It's usually smart to book your flights early to get better deals and more choices, especially if you plan to travel during busy times like Easter, summer, Christmas, or school holidays. Generally, aim to book your tickets 2–3 months before you want to travel. Also, try to avoid peak travel seasons or holidays when prices are higher. Keep an eye on flight prices and set up price alerts to grab the best deals.

London to Dublin: Discover Dublin

Dublin is the capital city of Ireland and is one of the most vibrant and culturally rich cities in Europe. With its rich history, stunning architecture, vibrant nightlife, and delicious cuisine, it’s no wonder so many people are drawn to Dublin. And with numerous airlines offering affordable flights to Dublin from around the world, there’s never been a better time to visit.

Dublin’s historical landmarks are a major draw. The city is home to iconic sites such as Trinity College, where you can see the Book of Kells, and Dublin Castle, a historic fortress. The Guinness Storehouse, with its interactive exhibits and rooftop bar, is also a must-visit for its cultural and historical significance. Dublin’s culinary scene is another highlight. From traditional Irish pubs serving classic dishes to modern eateries offering innovative cuisine, there’s something to satisfy every palate. And don’t forget to try the famous Irish stew!

Explore Accommodation and Local Transport in Dublin

After booking your flights, it's time to arrange your accommodation and figure out how to get around Dublin. Look for budget-friendly hotels, hostels, or holiday rentals near the main attractions. Websites like Trip.com offer plenty of options for different budgets and preferences. Trip.com's Travel Guides can also provide handy tips on where to stay and what to do. Consider the costs and convenience of using public transport, taxis, or renting a car to get around the city. Planning ahead can help you avoid surprises and make your trip smoother and more affordable.

Discover Dining and Entertainment in Dublin

To keep your spending in check while enjoying Dublin, try the local restaurants and entertainment. Look for markets, street food stalls, and affordable restaurants to enjoy authentic Irish dishes without spending a fortune. Many attractions, such as museums and historical sites, offer discounts or free entry on certain days, so be sure to check their schedules. Also, take advantage of free or low-cost activities like walking tours, exploring historic neighbourhoods, and visiting public parks. By keeping an eye on your expenses, you can have a fun and budget-friendly trip to Dublin.

Forecast Weather and Best Time to Visit Dublin

Dublin has a temperate maritime climate and is suitable for visiting all year round. However, the best times to go are in spring (April to June) and autumn (September to October) when the weather is pleasantly mild and there are fewer tourists. These seasons offer the perfect combination of comfortable temperatures and uncrowded attractions. Events such as St. Patrick’s Day in March and the Dublin Theatre Festival in October add extra fun to these months. Finally, consider the weather you like and the activities you want to do when deciding the best time to visit.

Note:

• Average Temperatures: These are approximate values and can vary slightly.
• Average Flight Prices: Prices can fluctuate based on demand, booking time, and airline.
• Average Hotel Prices: Prices can vary depending on the location, hotel rating, and booking platform.
• Trip.com offers cheap hotels in Dublin, with prices starting from £40 up to £150.

London to Dublin: Flight Change, Cancellation, Seat Selection