£36 Cheap Flights from Dublin (DUB) to London (LHR)

View £36 flight on Mon, 6 Jul 2026Opens in a new window

Popular airlines from Dublin Airport (DUB) to Heathrow Airport (LHR)

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Cheap Flights from Dublin (DUB) to London (LHR)

Prices were available within the past 7 days and start at £36 for one-way flights and £83 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, 7 Jul - Wed, 8 Jul
DUB
Dublin
LHR
London
£83 Return, found 20 hours ago
£83
Return
found 20 hours ago
Select British Airways flight, departing Tue, 7 Jul from Dublin to London, returning Wed, 8 Jul, priced at £83 found 20 hours ago
British Airways
Tue, 2 Feb - Tue, 9 Feb
DUB
Dublin
LHR
London
£85 Return, found 3 days ago
£85
Return
found 3 days ago
Select British Airways flight, departing Tue, 2 Feb from Dublin to London, returning Tue, 9 Feb, priced at £85 found 3 days ago
British Airways
Tue, 2 Jun - Mon, 15 Jun
DUB
Dublin
LHR
London
£85 Return, found 4 days ago
£85
Return
found 4 days ago
Select British Airways flight, departing Tue, 2 Jun from Dublin to London, returning Mon, 15 Jun, priced at £85 found 4 days ago
British Airways
Fri, 6 Nov - Mon, 9 Nov
DUB
Dublin
LHR
London
£86 Return, found 5 hours ago
£86
Return
found 5 hours ago
Select British Airways flight, departing Fri, 6 Nov from Dublin to London, returning Mon, 9 Nov, priced at £86 found 5 hours ago
British Airways
Fri, 10 Jul - Sun, 12 Jul
DUB
Dublin
LHR
London
£87 Return, found 12 hours ago
£87
Return
found 12 hours ago
Select British Airways flight, departing Fri, 10 Jul from Dublin to London, returning Sun, 12 Jul, priced at £87 found 12 hours ago
British Airways
Wed, 3 Jun - Fri, 12 Jun
DUB
Dublin
LHR
London
£88 Return, found 3 days ago
£88
Return
found 3 days ago
Select British Airways flight, departing Wed, 3 Jun from Dublin to London, returning Fri, 12 Jun, priced at £88 found 3 days ago
Aer Lingus
Sat, 23 May - Mon, 25 May
DUB
Dublin
LHR
London
£119 Return, found 4 hours ago
£119
Return
found 4 hours ago
Select Aer Lingus flight, departing Sat, 23 May from Dublin to London, returning Mon, 25 May, priced at £119 found 4 hours ago
Lufthansa
Tue, 2 Feb - Tue, 9 Feb
DUB
Dublin
LHR
London
£142 Return, found 3 days ago
£142
Return
found 3 days ago
Select Lufthansa flight, departing Tue, 2 Feb from Dublin to London, returning Tue, 9 Feb, priced at £142 found 3 days ago
KLM
Fri, 6 Nov - Mon, 9 Nov
DUB
Dublin
LHR
London
£149 Return, found 5 hours ago
£149
Return
found 5 hours ago
Select KLM flight, departing Fri, 6 Nov from Dublin to London, returning Mon, 9 Nov, priced at £149 found 5 hours ago
Air France
Sat, 21 Nov - Mon, 23 Nov
DUB
Dublin
LHR
London
£159 Return, found 12 hours ago
£159
Return
found 12 hours ago
Select Air France flight, departing Sat, 21 Nov from Dublin to London, returning Mon, 23 Nov, priced at £159 found 12 hours ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Average driving time to city centre is 52 minutes. Flights from £40
LGW
Gatwick
Average driving time to city centre52 min
Flights from £40
Select flight to Luton LTN. Cheapest option available. Average driving time to city centre is 45 minutes. Flights from £38
LTN
Luton
Cheapest
Average driving time to city centre45 min
Flights from £38
Select flight to London City LCY. Closest option available. Average driving time to city centre is 21 minutes. Flights from £147
LCY
London City
Closest
Average driving time to city centre21 min
Flights from £147

Find the cheapest month to fly from Dublin (DUB) to London (LHR)

April is typically the cheapest month to fly

From £80 - £118 per traveller.

Frequently asked questions

How much is a flight from DUB to Heathrow Airport?
Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Dublin Airport to Heathrow Airport start from £83. Book ASAP to score the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dublin Airport (DUB) to Heathrow Airport?
We understand that things crop up unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Dublin Airport (DUB) to LHR that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Dublin Airport (DUB) to Heathrow Airport (LHR) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Dublin Airport to Heathrow Airport (LHR)?
A flight distance of just 450 kilometres separates Corballis and Hounslow. Once you're up in the skies, you won't get a chance to do much more than flip through the pages of the in-flight magazine.
Which airlines fly direct from Dublin Airport to Heathrow Airport (LHR)?
One airline that flies from Dublin Airport (DUB) to Heathrow Airport is Aer Lingus (EI). It offers 282 flights a month. Love some more options? Check out what's available with British Airways (BA). This carrier offers 234 flights a month between these destinations.
Are Dublin Airport (DUB) to London Heathrow flight tickets cheaper when they're purchased at the last minute?
Flight prices fluctuate, so there are no guarantees. While last-minute deals between Dublin Airport and London Heathrow are possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some carriers publicize their prices up to 12 months ahead of the departure date. Expedia is continuously updating the best airfare bargains around, so keep checking and be ready to secure your seat when fare prices drop.

Frequently asked questions

How much does a flight from Dublin (DUB) to London (LHR-Heathrow) cost?
One-way flights typically cost between £132 and £930 and return flights often range between £273 and £941. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Dublin (DUB) to London (LHR-Heathrow)?
October is typically the cheapest month to fly from Dublin (DUB) to London (LHR-Heathrow), with average return fares of approximately £272. This is about 7% lower than the average price throughout the year. October often sees lower prices as the summer holiday rush has ended, and the peak winter travel season has not yet begun, leading to reduced demand. Other cheap months to fly from Dublin to London include February and September.
Which airlines fly direct from Dublin (DUB) to London (LHR-Heathrow)?
Enter DUB to LHR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Dublin (DUB) to London (LHR-Heathrow)?
To find a cheap flight from Dublin (DUB) to London (LHR-Heathrow), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Dublin (DUB) to London (LHR-Heathrow)?
The best airline to fly with from Dublin (DUB) to London (LHR-Heathrow) will differ from traveller to traveller. If you like to fly early, EI offers early morning flights. If price is the most important factor, EI typically offers the lowest fares. EI offers the most daily flights from Dublin (DUB) to London (LHR-Heathrow), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Dublin (DUB) to London (LHR-Heathrow)?
Based on booking data from the past year, September is often the best time to fly from Dublin (DUB) to London (LHR-Heathrow). You'll find a good balance of affordability and plenty of flight options, with average return flights around £272. While October is also cheap, September is a popular month for travel, meaning you'll have more choices for flight times and airlines.
How many flights per day from Dublin (DUB) to London (LHR-Heathrow)?
When flying from Dublin (DUB) to London (LHR-Heathrow), you'll find approximately 19 nonstop flights per day. For even more choice, look at flights that include layovers, as there are around 57 connecting flights daily. Some common connection points include Frankfurt Intl. (FRA), Schiphol (AMS), and Kastrup (CPH).
What is the earliest flight from Dublin (DUB) to London (LHR-Heathrow)?
The earliest flight from Dublin (DUB) to London Heathrow (LHR) typically departs at approximately 5:00 AM local time. This service is operated by multiple airlines, including Lufthansa, Condor, and Eurowings. This is a seasonal service active in January and December. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Dublin (DUB) to London (LHR-Heathrow)?
You'll typically find the most flights from Dublin (DUB) to London (LHR-Heathrow) (LHR) on a Thursday, with around 60 flights available. This gives you a good selection of options for your journey. Major airlines on this route include Aer Lingus, British Airways, and Lufthansa. Flight schedules are consistent throughout the week, so you'll have plenty of options no matter which day you choose.
What are the most popular departure times for flights from Dublin (DUB) to London (LHR-Heathrow)?
The most popular departure times for flights from Dublin (DUB) to London (LHR-Heathrow) are between 12pm and 3pm. About 23% of passengers prefer this time. Aer Lingus, British Airways and SAS offer flights during this window. Many travelers find this midday timing convenient as it allows for a relaxed start to the day before heading to the airport, and you'll arrive in London with plenty of time for afternoon activities or to settle in.
How long does it take to fly from Dublin (DUB) to London (LHR-Heathrow)?
Flying nonstop from DUB to LHR takes around 1 hour 30 minutes, with the route covering approximately 279 miles. Flights with a layover typically take 3 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Dublin (DUB) to London (LHR-Heathrow)?
Select the "Business class" and "First class" filters when looking for DUB to LHR flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from Dublin (DUB) to London (LHR-Heathrow)?
A direct, return business class ticket from Dublin (DUB) to London (LHR-Heathrow) typically costs between £1,607 - £1,945. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Anaa (AAA) (AAA) to Toronto, ON (YYZ-Pearson Intl.) (YYZ) if you opt for a connecting flight.
How do I earn miles on a Dublin (DUB) to London (LHR-Heathrow) flight with Expedia?
It's easy to earn miles on a Dublin (DUB) to London (LHR-Heathrow) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for London from DUB (DUB)?
From DUB (DUB), you can fly into Gatwick (LGW), London Intl. (YXU), Heathrow (LHR), Luton (LTN), Stansted (STN) and London City (LCY) in London. Some flights may connect through major hubs like Humberto Delgado (LIS), Schiphol (AMS), Cointrin Intl. (GVA) before reaching London. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Dublin (DUB) to London (LHR-Heathrow) at the last minute?
Typically, booking a last minute flight from Dublin (DUB) to London (LHR-Heathrow) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Dublin (DUB) to London (LHR-Heathrow) flight and hotel package?
Securing a Dublin (DUB) to London (LHR-Heathrow) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Dublin (DUB) to London (LHR-Heathrow)?
If you booked your Dublin (DUB) to London (LHR-Heathrow) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Dublin
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air France, British Airways, Eurowings, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines
Return price
£82
Distance
445 km
Average flight time
1 hour 21 mins

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