Cheap flights from Dublin to London Heathrow Airport from £27
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 Heathrow Airport departing on 30/7. 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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Aer Lingus flights from Dublin to London Heathrow Airport
Our best Aer Lingus deals on Dublin to London Heathrow Airport flight tickets
British Airways flights from Dublin to London Heathrow Airport
Our best British Airways deals on Dublin to London Heathrow Airport flight tickets
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How to get the cheapest flight ticket from Dublin to London Heathrow Airport
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 Heathrow Airport?
What is the cheapest month to fly to London Heathrow Airport?
In general, January is the cheapest month to fly from Dublin to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £95. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Dublin averaging around £97.
What is the cheapest day to depart on your flight to London Heathrow Airport?
On average, the least expensive day to fly to London Heathrow Airport from Dublin is on a Friday. momondo users have found tickets for Friday departures for as low as £432. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £562.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Dublin to London Heathrow Airport in the evening for as low as £171. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £686 on average. Flights to London Heathrow Airport from Dublin in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Dublin to London Heathrow flight route?
Fly from Dublin to London Heathrow for the best Dublin - London Heathrow flight prices
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Dublin when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £114 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Dublin for as low as £70 on momondo.
What cabin class options are available on Dublin to London Heathrow flights?
There are 3 cabin classes available to choose from on Dublin to London Heathrow 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 Dublin to London Heathrow Airport on average per day?
As of April 2025, there are 58 flights per day flying from Dublin to London Heathrow Airport. The most common time of day flights depart is 12:00, with 46% of flights taking off at midday.
How many flights depart from Dublin to London Heathrow Airport on average per week?
As of April 2025, there are 409 flights per week flying from Dublin to London Heathrow Airport. The most common day of the week flights depart is Thu, with 20% of flights taking off on this day.
When to book flights from Dublin to London Heathrow Airport
Cheap Dublin to London Heathrow Airport (DUB to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Dublin to London Heathrow Airport
How far is Dublin to London Heathrow by plane?
London Heathrow is 276.5 mi away from Dublin. 1h 20m is a normal flight duration for this route.
When did momondo last update prices for flights from Dublin Airport to London Heathrow Airport?
Prices for flights from Dublin Airport to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from Dublin Airport to London Heathrow Airport?
The number of operators available for flights from Dublin Airport to London Heathrow Airport is 2 as of April 2025.
How old do you have to be to fly from Dublin Airport to London Heathrow 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 Dublin Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow 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 London Heathrow 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 Dublin to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Dublin to London Heathrow Airport is Airbus A321neo, representing 17.46% of all bookings. The subsequent popular models are Airbus A320neo at 15.68%, Airbus A330-300 at 10.35%, and Airbus A320-100/200 at 9.28%.
What is the most popular airline from Dublin to London Heathrow Airport?
Based on momondo bookings for flights between Dublin and London Heathrow Airport, the leading airline is British Airways, making up 59% of the total bookings. Other popular airlines include Aer Lingus with 41%.
Best airlines flying from Dublin to London Heathrow Airport
Compare and see reviews for airlines that fly from Dublin to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £58 | Free Cancellation | Rating 6.6 6,771 reviews | |||
| PriceFrom £87 | Free Cancellation | Rating 7.0 1,063 reviews |
Aer Lingus Flights From Dublin to London Heathrow Airport
Aer Lingus operates around 94 flights from Dublin to London Heathrow Airport every week. The average price of these flights found in the last 72 hours has been £177, but momondo users have found Aer Lingus deals from Dublin to London Heathrow Airport from as low as £115 round-trip. Aer Lingus has been scored 7.0/10 in 1,063 reviews.
British Airways Flights From Dublin to London Heathrow Airport
£77 is the best British Airways flight deal from Dublin to London Heathrow Airport found on momondo over the last 72 hours. The average British Airways ticket price found was closer to £126, however, with flight time and availability significantly affecting the price. British Airways (6.6/10 from 6,771 user reviews) flies into London Heathrow Airport from Dublin 93 times in an average week so prices can vary.
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?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Dublin to London. momondo saves you time and could save you money on your trip.
Can I find flights from Dublin to London with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to London from Dublin with this policy.
How can momondo help me find flights from Dublin to London?
momondo provides multiple filters to help you find the best flight to London from Dublin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Dublin to London right now. Can momondo alert me if prices change?
If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Dublin and alert you when they change.