Q: How much does it cost for a return flight from Dublin to London Heathrow Airport?

Airfare is below average for this route at the moment. Dublin to London Heathrow Airport flights typically cost between $195 and $296 in January. The cheapest return flight price found within the last 3 days was $157 on British Airways (17 Jan-19 Jan). Find deals

Question 1

How much does it cost for a return flight from Dublin to London Heathrow Airport?

Accepted Answer

Airfare is below average for this route at the moment.Dublin to London Heathrow Airport flights typically cost between $195 and $296 in January.
The cheapest return flight price found within the last 3 days was $157 on British Airways (17 Jan-19 Jan). Find deals

Question 2

What is the cheapest airline to fly from Dublin to London Heathrow Airport round-trip?

Accepted Answer

According to our current data, British Airways ($157), offers the cheapest pricing from Dublin to London Heathrow Airport. British Airways is currently priced 35% below the average price you’ll pay for this route. Find deals

Question 3

What are the cheapest airlines to fly from Dublin to London Heathrow Airport one-way?

Accepted Answer

To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $72. Vueling flights start at $115 while deals on Scandinavian Airlines start at $124 one-way. Find deals

Question 4

How far ahead should I book a flight from Dublin to London Heathrow Airport?

Accepted Answer

The price you pay for your flight from Dublin to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date. Find deals

Question 5

What is the cheapest month to book a flight from Dublin to London Heathrow Airport?

Accepted Answer

Currently, October is the cheapest month in which you can book a flight from Dublin to London Heathrow Airport (average of $1,037). Flying from Dublin to London Heathrow Airport in December is currently the most expensive (average of $1,667). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 6

What is the cheapest day to fly from Dublin to London Heathrow Airport?

Accepted Answer

Travellers seeking maximum savings on their Dublin to London Heathrow Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 7

Weekly flight availability from Dublin to London Heathrow Airport

Accepted Answer

The most flights from DUB to LHR are scheduled on a Tuesday (70 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (45 on average).

Question 8

E

Accepted Answer

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Question 9

E

Accepted Answer

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 10

What are the cheapest flights from Dublin to London Heathrow Airport?

Accepted Answer

Looking for the cheapest flight from Dublin to London Heathrow Airport? While on average our users pay $3,204, our data indicates the cheapest price to be $89. The most popular route (Dublin - London Heathrow), is priced around $100.

Question 11

What are the most reliable airlines from Dublin to London Heathrow Airport?

Accepted Answer

Before booking your flight to London Heathrow Airport from Dublin, have a look at the most reliable airlines to get you to your destination on time: Air Canada (80%), British Airways (77%), Aer Lingus( 76%).

Question 12

What is the cheapest day to fly return from Dublin to London Heathrow Airport?

Accepted Answer

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 1,084% on the overall cost on flights from Dublin to London Heathrow Airport.

Question 13

How far in advance should I book a flight from Dublin to London Heathrow Airport?

Accepted Answer

To save up to 277% on this flight, we recommend booking at least 57 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Dublin to London Heathrow Airport from $195 1-2 weeks out and tickets from $330 for flights departing within the next 72 hours.

Question 14

What is the cheapest month to fly from Dublin to London Heathrow Airport?

Accepted Answer

January can be a great time to fly to London Heathrow Airport from Dublin with a flight ticket averaging about $168. Cheapflights users have found deals in the month of January for as cheap as $51. The most expensive prices can be found in the month of July.

Question 15

What is the cheapest time of day to fly from DUB to LHR?

Accepted Answer

When flying from Dublin to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 92% versus a flight in the afternoon.

Question 16

What airport do you fly from for flights from Dublin to London Heathrow?

Accepted Answer

Most people fly from Dublin (DUB) if they book a flight from Dublin to London Heathrow. On average, Dublin has 56 outbound flights to London Heathrow per day from 1 airline. Dublin is conveniently located just 9.2 km from Dublin’s city centre.

Question 17

Can I find deals for flights from Dublin to Heathrow that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Dublin to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 18

How can I find direct flights from Dublin to Heathrow?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Heathrow.

Question 19

Can I find deals for business class flights from Dublin to Heathrow?

Accepted Answer

Yes. Cheapflights offers flight deals from Dublin to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 20

How does Cheapflights help users find flights from Dublin to Heathrow?

Accepted Answer

Cheapflights makes it easy to find Dublin to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 21

Why should you use Cheapflights to find cheap flight tickets from Dublin to Heathrow?

Accepted Answer

Cheapflights helps you find that perfect flight to Heathrow from Dublin by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 22

Can Cheapflights find flights from Dublin to Heathrow with no change fees?

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dublin to Heathrow flexibly with Cheapflights today.

Question 23

Can Cheapflights notify me if prices for flights from Dublin to Heathrow become cheaper?

Accepted Answer

Yes, Cheapflights offers price alerts on Dublin to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	$157
One-way from	$72
Popular in	June
Cheapest in	January
Average price	$253
Good one-way deal	$104 or less

Cheap flights from Dublin to London Heathrow Airport from $72

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Dublin to London Heathrow are usually found in January or September, booked 48 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Dublin to Heathrow

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Find flight deals from Dublin to Heathrow

Cheapest flights from Dublin to HeathrowExplore the most affordable flight options available from Dublin to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Explore the most affordable flight options available from Dublin to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Dublin to London Heathrow Airport that are best for you.

Best time to book a flight from Dublin to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Dublin with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Dublin to London Heathrow Airport

How far ahead should I book a flight from Dublin to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Dublin to Heathrow. Price data was last updated on 25 July 2025.

What is the cheapest month to book a flight from Dublin to London Heathrow Airport?

What is the cheapest time of day to fly from DUB to LHR?

Find hourly flight availability from Dublin to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 July 2025.

Weekly flight availability from Dublin to London Heathrow Airport

Explore weekly flight availability from Dublin to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 July 2025.

How much does it cost for a return flight from Dublin to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown with KLM, Scandinavian Airlines, andVueling from Dublin to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dublin to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Dublin to London Heathrow?

What is the cheapest airline to fly from Dublin to London Heathrow Airport round-trip?

What are the cheapest airlines to fly from Dublin to London Heathrow Airport one-way?

What are the most reliable airlines from Dublin to London Heathrow Airport?

What are the cheapest flights from Dublin to London Heathrow Airport?

Can I find deals for flights from Dublin to Heathrow that include hotel bookings?

How can I find direct flights from Dublin to Heathrow?

Can I find deals for business class flights from Dublin to Heathrow?

What is the cheapest month to book a flight from Dublin to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

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Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Top airline flying from Dublin to Heathrow

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How does Cheapflights help users find flights from Dublin to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Dublin to Heathrow?

Can Cheapflights find flights from Dublin to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Dublin to Heathrow become cheaper?

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Cheapest flights from Dublin to Heathrow
Explore the most affordable flight options available from Dublin to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.