Cheap flights from London Heathrow Airport to Dublin from C$ 85
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 7/10. 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? Early arrival? Instantly customize your resultsTrusted 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 London Heathrow Airport to Dublin
Cheap round-trip flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Scandinavian Airlines flights from London Heathrow Airport to Dublin
Our best Scandinavian Airlines deals on London Heathrow Airport to Dublin flight tickets
British Airways flights from London Heathrow Airport to Dublin
Our best British Airways deals on London Heathrow Airport to Dublin flight tickets
See travel insights to Dublin from
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 typical price of a round-trip flight between London Heathrow Airport and Dublin?
What is the cheapest month to fly to Dublin?
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 C$ 195.
What is the cheapest day to depart on your flight to Dublin?
On average, the least expensive day to fly to Dublin from London Heathrow Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as C$ 103. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 220. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.
What is the cheapest time of day to depart on your flight to Dublin?
According to our data, the cheapest time of day to fly to Dublin is in the evening. momondo users have found flights departing from London Heathrow Airport to Dublin in the evening for as low as C$ 116. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of C$ 163.
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 C$ 218 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 C$ 157 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.
How many flights depart from London Heathrow Airport to Dublin on average per day?
As of April 2025, there are 50 flights per day flying from London Heathrow Airport to Dublin. The most common time of day flights depart is 8:00a.m., with 40% of flights taking off in the afternoon.
How many flights depart from London Heathrow Airport to Dublin on average per week?
351 flights are operational weekly from London Heathrow Airport to Dublin as of April 2025. The most popular departure day for this route is Thu, with 21% of flights per week taking off 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?
The straight-line distance from London Heathrow to Dublin is 445.0 km. Flights usually cover this in 1h 10m, depending on flying conditions and air traffic around both airports.
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 updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Dublin Airport?
As of April 2025, there are 2 operators available to choose from for flights from London Heathrow Airport to Dublin Airport.
How old do you have to be to fly from London Heathrow Airport to Dublin Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The travel and health documents required for your trip to Dublin Airport 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 license, and a passport valid for six-months after you plan to arrive at Dublin Airport. 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 London Heathrow Airport to Dublin?
Based on momondo bookings for flights between London Heathrow Airport and Dublin, the leading plane model is Boeing 787-9 Dreamliner, making up 12.09% of the total bookings. Other popular models include Boeing 777 with 11.55%, Airbus A320neo with 10.36%, and Airbus A321neo with 6.68%.
What is the most popular airline from London Heathrow Airport to Dublin?
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to Dublin is British Airways, representing 59% of all bookings. The subsequent popular airline is Aer Lingus at 41%.
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 C$ 124 | Free Cancellation | Rating 6.6 6,767 reviews | |||
| PriceFrom C$ 196 | Free Cancellation | Rating 7.0 1,063 reviews |
Aer Lingus Flights From London Heathrow Airport to Dublin
Aer Lingus flight deals from London Heathrow Airport to Dublin start from C$ 141 round-trip. Over the 94 Aer Lingus flights for this route in a normal week, average airfare is usually C$ 170 round-trip - but some users have found much cheaper deals with momondo.
British Airways Flights From London Heathrow Airport to Dublin
Across 6,767 British Airways reviews on momondo, the average score is 6.6/10. British Airways flies from London Heathrow Airport to Dublin about 90 times each week, with ticket deals ranging from C$ 89 to C$ 119. Price data is based on momondo searches in the last 72 hours.
Travelling 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?
It is quick and easy to find London to Dublin flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Dublin that suits you.
Can I find flights from London to Dublin with flexible booking policies on momondo?
Flights from London to Dublin with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from London to Dublin?
momondo helps you find the best flight between London and Dublin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from London to Dublin right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of London to Dublin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.