Cheap flights from London Heathrow Airport to Dublin from $58
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 Heathrow Airport to Dublin departing on 9/23. 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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British Airways flights from London Heathrow Airport to Dublin
Our best British Airways deals on London Heathrow Airport to Dublin flight tickets
KLM flights from London Heathrow Airport to Dublin
Our best KLM deals on London Heathrow Airport to Dublin flight tickets
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How to get the cheapest flight ticket from London Heathrow Airport to Dublin
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 cheapest month to fly to Dublin?
In general, January is the cheapest month to fly from London Heathrow Airport to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $139. If you’re not able to fly to Dublin in January, then September is your next best option. Flight prices from London Heathrow Airport to Dublin during September average around $140.
What is the cheapest day to depart on your flight to Dublin?
The cheapest day to depart from London Heathrow Airport to Dublin is on a Monday. Travelers who choose to depart for Dublin on a Monday will often find tickets for as low as $153. Flights from London Heathrow Airport to Dublin on a Sunday will generally be more expensive and average around $180. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Dublin?
In the evening is the cheapest time of day to fly from London Heathrow Airport to Dublin when you can find flight prices for as low as $115. Flying to Dublin in the evening is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $191.
What is the cheapest London Heathrow to Dublin flight route?
Fly from London Heathrow to Dublin for the best London Heathrow - Dublin flight prices
How far in advance should I book a flight to Dublin?
You are more likely to see cheaper flights to Dublin from London Heathrow Airport when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $157 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from London Heathrow Airport for as low as $113 on momondo.
What cabin class options are available on London Heathrow to Dublin flights?
There are 3 cabin classes available to choose from on London Heathrow to Dublin 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 London Heathrow to Dublin?
British Airways, Vueling, and Aer Lingus are the most popular carriers operating from London Heathrow to Dublin
What airlines fly to Dublin?
British Airways, Aer Lingus and Ryanair are the top three most popular airlines that fly to Dublin from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 55% of people opting to fly with this airline when traveling 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.
How many flights depart from London Heathrow Airport to Dublin on average per day?
The number of flights available between London Heathrow Airport and Dublin is 60 per day as of April 2025. The most frequent departure time is 8:00AM, with 40% of daily flights leaving at noon.
How many flights depart from London Heathrow Airport to Dublin on average per week?
The number of flights available between London Heathrow Airport and Dublin is 420 per week as of April 2025. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.
When to book flights from London Heathrow Airport to Dublin
Cheap London Heathrow Airport to Dublin (LHR to DUB) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Dublin
How far is London Heathrow to Dublin by plane?
A flight from London Heathrow to Dublin will travel around 276.5 mi. 1h 10m is a normal flight duration for this route.
When did momondo last update prices for flights from London Heathrow Airport to Dublin Airport?
Prices for flights from London Heathrow Airport to Dublin Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London Heathrow Airport to Dublin Airport?
There are 3 operators available for flights from London Heathrow Airport to Dublin Airport as of April 2025.
How old do you have to be to fly from London Heathrow Airport to Dublin Airport?
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 London Heathrow Airport to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The required travel and health documents for your Dublin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London Heathrow Airport to Dublin?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London Heathrow Airport to Dublin is Boeing 787-9 Dreamliner (12.09% of total bookings). The next most popular plane models are Boeing 777 (11.55%), Airbus A320neo (10.36%), and Airbus A321neo (6.68%).
What is the most popular airline from London Heathrow Airport to Dublin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London Heathrow Airport to Dublin is British Airways (55% of total bookings). The next most popular airlines are Aer Lingus (43%) and Ryanair (1%).
Best airlines flying from London Heathrow Airport to Dublin
Compare and see reviews for airlines that fly from London Heathrow Airport to Dublin with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $39 | Free Cancellation | Rating 6.8 5,053 reviews | |||
| PriceFrom $85 | Free Cancellation | Rating 6.6 6,835 reviews | |||
| PriceFrom $134 | Free Cancellation | Rating 7.0 1,076 reviews |
Aer Lingus Flights From London Heathrow Airport to Dublin
Aer Lingus operates around 113 flights from London Heathrow Airport to Dublin every week. The average price of these flights found in the last 72 hours has been $185, but momondo users have found Aer Lingus deals from London Heathrow Airport to Dublin from as low as $134 round-trip. Aer Lingus has been scored 7.0/10 in 1,076 reviews.
British Airways Flights From London Heathrow Airport to Dublin
The best British Airways deal for London Heathrow Airport to Dublin flight tickets found on momondo in the last 72 hours was $85, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at $160 round-trip. British Airways operates 100 flights out of London Heathrow Airport into Dublin in an average week, so prices vary by time and availability. 6,834 British Airways reviews by users on momondo have scored the airline at 6.6/10.
Traveling to a place near Dublin?
Book flights to Dublin if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Dublin?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Dublin. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Dublin with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Dublin from London with this policy.
How can momondo help me find flights from London to Dublin?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Dublin from London.
I’m not ready to book a flight from London to Dublin right now. Can momondo alert me if prices change?
Yes. momondo can track prices for London to Dublin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.