$53 Cheap Flights from Dublin (DUB) to London (LHR)

View $53 flight on Sat, Nov 1, 2025Opens in a new window

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

Cheap Flights from Dublin to London (DUB-LHR)

Prices were available within the past 7 days and start at $53 for one-way flights and $100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sat, Nov 1 - Sat, Nov 8
DUB
Dublin
LHR
London
$100 Roundtrip, found 1 day ago
$100
Roundtrip
found 1 day ago
Select British Airways flight, departing Sat, Nov 1 from Dublin to London, returning Sat, Nov 8, priced at $100 found 1 day ago
Aer Lingus
Fri, Jan 9 - Sun, Jan 11
DUB
Dublin
LHR
London
$100 Roundtrip, found 4 days ago
$100
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Fri, Jan 9 from Dublin to London, returning Sun, Jan 11, priced at $100 found 4 days ago
British Airways
Thu, Jan 22 - Mon, Jan 26
DUB
Dublin
LHR
London
$102 Roundtrip, found 1 day ago
$102
Roundtrip
found 1 day ago
Select British Airways flight, departing Thu, Jan 22 from Dublin to London, returning Mon, Jan 26, priced at $102 found 1 day ago
British Airways
Wed, Jan 21 - Sun, Mar 1
DUB
Dublin
LHR
London
$103 Roundtrip, found 2 hours ago
$103
Roundtrip
found 2 hours ago
Select British Airways flight, departing Wed, Jan 21 from Dublin to London, returning Sun, Mar 1, priced at $103 found 2 hours ago
Aer Lingus
Fri, Jan 9 - Sun, Jan 11
DUB
Dublin
LHR
London
$103 Roundtrip, found 4 days ago
$103
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Fri, Jan 9 from Dublin to London, returning Sun, Jan 11, priced at $103 found 4 days ago
Aer Lingus
Fri, Oct 17 - Sat, Dec 13
DUB
Dublin
LHR
London
$104 Roundtrip, found 4 days ago
$104
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Fri, Oct 17 from Dublin to London, returning Sat, Dec 13, priced at $104 found 4 days ago
Aer Lingus
Sat, Oct 11 - Thu, Nov 6
DUB
Dublin
LHR
London
$105 Roundtrip, found 4 days ago
$105
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Sat, Oct 11 from Dublin to London, returning Thu, Nov 6, priced at $105 found 4 days ago
Scandinavian Airlines
Tue, Dec 9 - Wed, Dec 10
DUB
Dublin
LHR
London
$175 Roundtrip, found 1 hour ago
$175
Roundtrip
found 1 hour ago
Select Scandinavian Airlines flight, departing Tue, Dec 9 from Dublin to London, returning Wed, Dec 10, priced at $175 found 1 hour ago
Swiss International Air Lines
Fri, Nov 28 - Wed, Dec 3
DUB
Dublin
LHR
London
$222 Roundtrip, found 9 hours ago
$222
Roundtrip
found 9 hours ago
Select Swiss International Air Lines flight, departing Fri, Nov 28 from Dublin to London, returning Wed, Dec 3, priced at $222 found 9 hours ago
Lufthansa
Fri, Nov 14 - Wed, Nov 19
DUB
Dublin
LHR
London
$245 Roundtrip, found 19 hours ago
$245
Roundtrip
found 19 hours ago
Select Lufthansa flight, departing Fri, Nov 14 from Dublin to London, returning Wed, Nov 19, priced at $245 found 19 hours ago

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

September is typically the cheapest month to fly

From $74 - $115 per traveler.

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 center is 52 minutes. Flights from $118
LGW
Gatwick
Average driving time to city center52 min
Flights from $118
Select flight to Luton LTN. Cheapest option available. Average driving time to city center is 45 minutes. Flights from $63
LTN
Luton
Cheapest
Average driving time to city center45 min
Flights from $63
Select flight to London City LCY. Closest option available. Average driving time to city center is 21 minutes. Flights from $215
LCY
London City
Closest
Average driving time to city center21 min
Flights from $215

Frequently asked questions

How much does a flight from Dublin Airport (DUB) to Heathrow Airport (LHR) cost?
Snag a cheap one-way flight from $53 or cheap return flight from $100 from Dublin Airport (DUB) to Heathrow Airport (LHR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Dublin Airport (DUB) to Heathrow Airport (LHR)?
Traveling in November can help you save, as it's the cheapest month for flights between DUB and LHR. You'll usually find the lowest fares during off-peak months.
Which airlines fly direct from Dublin Airport (DUB) to Heathrow Airport (LHR)?
Take a direct flight with Aer Lingus and travel straight from Dublin Airport (DUB) to Heathrow Airport (LHR).
What is the cheapest airline that flies from Dublin Airport (DUB) to Heathrow Airport (LHR)?
The cheapest airline to offer flights between Dublin Airport (DUB) and Heathrow Airport (LHR) can change depending on when you want to travel. British Airways and Aer Lingus are just some of your options offering well-priced fares. Use Expedia's filter tool to compare airlines in one place and find the right DUB to LHR flight for your budget.
How many flights per day from Dublin Airport (DUB) to Heathrow Airport (LHR)?
With an average of 16 nonstop flights that operate from Dublin Airport (DUB) to Heathrow Airport (LHR) each day, you'll be off on your next adventure in no time.
What are the most popular departure times for flights from Dublin Airport (DUB) to Heathrow Airport (LHR)?
The 10 AM departures from DUB to LHR are the most sought after. These flights can come with a higher price due to their popularity. If you want to save on your fare, book during off-peak hours.
What day of the week has the most flights from DUB to LHR?
If you travel on a Sunday, you'll get the largest range of choices for flights from Dublin Airport (DUB) to Heathrow Airport (LHR).
What is the earliest flight from Dublin Airport (DUB) to Heathrow Airport (LHR)?
Dublin Airport (DUB)'s earliest flight to Heathrow Airport (LHR) departs at approximately 6:40AM UTC+0. With a total flight time of 1h 25m, you'll touch down at around 8:05AM UTC+0.
How long does it take to fly from Dublin Airport (DUB) to Heathrow Airport (LHR)?
The average flight time from DUB to LHR is 1 hour and 22 minutes, covering a total distance of 280 mi.
What is the best time to fly from Dublin Airport (DUB) to Heathrow Airport (LHR)?
To land at Heathrow Airport (LHR) on time, choose a flight that takes off from Dublin Airport (DUB) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for London from Dublin Airport (DUB)?
If you're traveling on a direct flight from Dublin Airport (DUB) to London, you can touch down at any one of these airports:

  • Heathrow Airport (LHR)
  • Gatwick Airport (LGW)
  • Stansted Airport (STN)
  • London City Airport (LCY)
  • Luton Airport (LTN)

Is it cheaper to buy a plane ticket from Dublin Airport (DUB) to Heathrow Airport (LHR) last-minute?
Booking your plane ticket from DUB to LHR just before your journey is usually more expensive. But if you're flexible with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a DUB to LHR flight and hotel package?
Compared with arranging hotels and flights separately, booking a DUB to LHR flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place takes the hassle out of travel planning. Just pick your flights and select from our extensive range of stays, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Dublin Airport (DUB) to Heathrow Airport (LHR)?
Typically, you can cancel or reschedule your DUB to LHR flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need more information, visit our Customer Service portal.

Travel 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
Roundtrip price
$99
Distance
278 mi
Average flight time
1 hour 23 mins

Book with confidence

Book with confidence

Dublin to London Flights

The cheapest times to fly from Dublin to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dublin to London are during the month of November. You can find some of the cheapest flights from Dublin to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dublin to London

Sunday is one of the best days to book for cheap flights from Dublin to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Dublin to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dublin to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $53 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dublin to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dublin to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Dublin to London Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.