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£34 Cheap Flights from Dublin (DUB) to London (LHR)

View £34 flight on Mon, 11 Jan 2027Opens in a new window

Flight 1

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 £34 for one-way flights and £81 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, 5 Jan - Fri, 8 Jan
DUB
Dublin
LHR
London
£81 Return, found 2 hours ago
£81
Return
found 2 hours ago
Select British Airways flight, departing Tue, 5 Jan from Dublin to London, returning Fri, 8 Jan, priced at £81 found 2 hours ago
British Airways
Fri, 15 Jan - Thu, 21 Jan
DUB
Dublin
LHR
London
£83 Return, found 2 hours ago
£83
Return
found 2 hours ago
Select British Airways flight, departing Fri, 15 Jan from Dublin to London, returning Thu, 21 Jan, priced at £83 found 2 hours ago
Aer Lingus
Tue, 12 Jan - Thu, 14 Jan
DUB
Dublin
LHR
London
£84 Return, found 1 day ago
£84
Return
found 1 day ago
Select Aer Lingus flight, departing Tue, 12 Jan from Dublin to London, returning Thu, 14 Jan, priced at £84 found 1 day ago
Aer Lingus
Sun, 6 Dec - Thu, 10 Dec
DUB
Dublin
LHR
London
£84 Return, found 1 hour ago
£84
Return
found 1 hour ago
Select Aer Lingus flight, departing Sun, 6 Dec from Dublin to London, returning Thu, 10 Dec, priced at £84 found 1 hour ago
British Airways
Mon, 11 Jan - Wed, 13 Jan
DUB
Dublin
LHR
London
£85 Return, just found
£85
Return
just found
Select British Airways flight, departing Mon, 11 Jan from Dublin to London, returning Wed, 13 Jan, priced at £85 just found
British Airways
Mon, 11 Jan - Wed, 13 Jan
DUB
Dublin
LHR
London
£86 Return, just found
£86
Return
just found
Select British Airways flight, departing Mon, 11 Jan from Dublin to London, returning Wed, 13 Jan, priced at £86 just found
British Airways
Mon, 11 Jan - Wed, 13 Jan
DUB
Dublin
LHR
London
£87 Return, just found
£87
Return
just found
Select British Airways flight, departing Mon, 11 Jan from Dublin to London, returning Wed, 13 Jan, priced at £87 just found
Air France
Wed, 18 Nov - Wed, 2 Dec
DUB
Dublin
LHR
London
£151 Return, found 2 hours ago
£151
Return
found 2 hours ago
Select Air France flight, departing Wed, 18 Nov from Dublin to London, returning Wed, 2 Dec, priced at £151 found 2 hours ago
KLM
Sun, 6 Dec - Thu, 10 Dec
DUB
Dublin
LHR
London
£151 Return, found 1 hour ago
£151
Return
found 1 hour ago
Select KLM flight, departing Sun, 6 Dec from Dublin to London, returning Thu, 10 Dec, priced at £151 found 1 hour ago
Swiss International Air Lines
Wed, 18 Nov - Wed, 2 Dec
DUB
Dublin
LHR
London
£157 Return, found 2 hours ago
£157
Return
found 2 hours ago
Select Swiss International Air Lines flight, departing Wed, 18 Nov from Dublin to London, returning Wed, 2 Dec, priced at £157 found 2 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 £455
LGW
Gatwick
Average driving time to city centre52 min
Flights from £455
Select flight to Luton LTN. Cheapest option available. Average driving time to city centre is 45 minutes. Flights from £72
LTN
Luton
Cheapest
Average driving time to city centre45 min
Flights from £72
Select flight to London City LCY. Closest option available. Average driving time to city centre is 21 minutes. Flights from £245
LCY
London City
Closest
Average driving time to city centre21 min
Flights from £245

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

January is typically the cheapest month to fly

From £80 - £139 per traveller.

Frequently asked questions

How much does a flight from Dublin (DUB) to London (LHR-Heathrow) cost?
You can find cheap one-way flights from £34 and cheap return flights from £81 DUB to LHR with Expedia. One-way flights typically cost between £83 and £500, and return flights often range between £164 and £637. 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 DUB to LHR ticket fares go up or down.
What is the cheapest month to fly from Dublin (DUB) to London (LHR-Heathrow)?
If you're looking for the cheapest time to fly from Dublin (DUB) to London (LHR-Heathrow), October is typically your best bet! You can expect average return flights to be around £147 during this month. Other budget-friendly months for this route include February and September.
Which airlines fly direct from Dublin (DUB) to London (LHR)?
Enter DUB to LHR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Dublin (DUB) to London (LHR-Heathrow)?
Aer Lingus is one of the cheapest airlines offering nonstop return flights from Dublin (DUB) to London (LHR-Heathrow), with tickets starting from around £133 for flights that can be booked for departure within the next year. Loganair is one of the cheapest airlines offering connecting return flights from Dublin (DUB) to London (LHR-Heathrow), with tickets starting from around £227. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
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 traveler to traveler. If you like to fly early, Aer Lingus offers early morning flights. If price is the most important factor, Aer Lingus typically offers the lowest fares. Aer Lingus offers the most daily flights from Dublin (DUB) to London (LHR-Heathrow), which is great 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)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Dublin (DUB) to London (LHR-Heathrow)?
You'll find approximately 19 nonstop flights per day from Dublin (DUB) to London (LHR-Heathrow). For even more choices, look at flights that include layovers, as there are around 52 connecting flights per day. Some common connection points include Frankfurt Intl. (FRA), Schiphol (AMS), and Kastrup (CPH).
What is the earliest flight from Dublin (DUB) to London (LHR)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Dublin (DUB) to London (LHR). To compare more early flights, use 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 Heathrow (LHR) on a Friday, with around 61 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Aer Lingus, British Airways, and Lufthansa. Flight schedules are quite consistent throughout the week, so you'll have plenty of choices no matter which day you choose to fly.
What are the most popular departure times for flights from Dublin (DUB) to London (LHR-Heathrow)?
The most popular departure time for flights from Dublin (DUB) to London (LHR-Heathrow) is between 12pm and 3pm. Many major carriers, including Aer Lingus, British Airways and Lufthansa, offer flights during this window. Many travellers prefer this time as it allows for a relaxed morning before heading to the airport, and you'll arrive in London with plenty of time for an afternoon or evening activity.
How long does it take to fly from Dublin (DUB) to London (LHR-Heathrow)?
A nonstop flight from DUB to LHR typically takes around 1 hour 30 minutes, covering approximately 449 kilometers. Connecting flights on this route usually add 3 hours 30 minutes to your travel time. 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)?
You can fly business class between Dublin (DUB) and London (LHR-Heathrow). Airlines that offer business class service on this route include:
  • SAS
  • Air France
  • Lufthansa
  • Med View Airlines
  • KLM
  • British Airways
  • Air Baltic
  • Swiss International Air Lines
  • BA Cityflyer
  • Iberia Express
  • Edelweiss Air
  • Helvetic Airways
  • Hop!
  • Cityjet
First class cabins are not typically available on this route.
How do I earn miles on a Dublin (DUB) to London (LHR) flight with Expedia?
It's easy to earn miles on a Dublin (DUB) to London (LHR) 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.
Is it cheaper to buy a plane ticket from Dublin (DUB) to London (LHR) at the last minute?
Typically, booking a last minute flight from Dublin (DUB) to London (LHR) 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) flight and hotel package?
Securing a Dublin (DUB) to London (LHR) 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, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines
Return price
£81
Distance
445 km
Average flight time
1 hour 21 mins

Book with confidence

Compare flights from Dublin to London easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Dublin to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Heathrow in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Dublin to Heathrow.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Dublin (DUB) to Heathrow (LHR)

The easiest way to view the best deals on flights from Dublin to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Dublin to Heathrow start at just £81 and range up to £157.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Dublin and London
  • booking your flight during January, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Dublin to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Dublin to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Dublin to London easily and book with confidence

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