$66 Cheap British Airways flights London (LHR) to Dublin (DUB)

View $66 flight on Tue, Jan 6, 2026Opens in a new window
    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$66 Cheap British Airways flights London (LHR) to Dublin (DUB)

Prices were available within the past 7 days and start at $66 for one-way flights and $96 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Thu, Jan 15 - Wed, Jan 21
LHR
London
DUB
Dublin
$96 Roundtrip, found 3 hours ago
$96
Roundtrip
found 3 hours ago
Select British Airways flight, departing Thu, Jan 15 from London to Dublin, returning Wed, Jan 21, priced at $96 found 3 hours ago
British Airways
Fri, Jan 23 - Tue, Jan 27
LHR
London
DUB
Dublin
$96 Roundtrip, found 13 hours ago
$96
Roundtrip
found 13 hours ago
Select British Airways flight, departing Fri, Jan 23 from London to Dublin, returning Tue, Jan 27, priced at $96 found 13 hours ago
British Airways
Fri, Jan 23 - Tue, Jan 27
LHR
London
DUB
Dublin
$97 Roundtrip, found 13 hours ago
$97
Roundtrip
found 13 hours ago
Select British Airways flight, departing Fri, Jan 23 from London to Dublin, returning Tue, Jan 27, priced at $97 found 13 hours ago
British Airways
Fri, Jan 23 - Tue, Jan 27
LHR
London
DUB
Dublin
$99 Roundtrip, found 13 hours ago
$99
Roundtrip
found 13 hours ago
Select British Airways flight, departing Fri, Jan 23 from London to Dublin, returning Tue, Jan 27, priced at $99 found 13 hours ago
British Airways
Sun, Mar 8 - Tue, Mar 10
LHR
London
DUB
Dublin
$101 Roundtrip, found 1 hour ago
$101
Roundtrip
found 1 hour ago
Select British Airways flight, departing Sun, Mar 8 from London to Dublin, returning Tue, Mar 10, priced at $101 found 1 hour ago
British Airways
Fri, Jan 23 - Tue, Jan 27
LHR
London
DUB
Dublin
$101 Roundtrip, found 13 hours ago
$101
Roundtrip
found 13 hours ago
Select British Airways flight, departing Fri, Jan 23 from London to Dublin, returning Tue, Jan 27, priced at $101 found 13 hours ago

Frequently asked questions

How much is a British Airways flight from Heathrow Airport (LHR) to Dublin Airport (DUB)?
Grab cheap return British Airways flights from $96 from LHR to DUB by sorting your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $66 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LHR to DUB with British Airways?
Browse for round-trip or one-way flights to Dublin in January or February. You could find lower fares with British Airways during these off-peak times.
What is the cheapest time to book flights from Heathrow Airport (LHR) to Dublin Airport (DUB) with British Airways?
Scoring the best British Airways deals from LHR to DUB often comes down to booking at the right time. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better yet, you can pocket 17% on average by buying your tickets on a Sunday rather than a Friday, which is often the most expensive day to book.* It's a good idea to start searching for flights about one month before your departure date.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does British Airways fly nonstop from Heathrow Airport (LHR) to Dublin Airport (DUB)?
British Airways has direct flights from Heathrow Airport (LHR) to Dublin Airport (DUB), with 44 weekly departures. Simply select the "Nonstop" and "Airline" filters while searching on Expedia to show all direct British Airways flights to DUB.
How long does it take to fly from LHR to DUB with British Airways?
Take off from Heathrow Airport (LHR) for Dublin Airport (DUB) on a direct British Airways flight, and you'll be in the skies for about 1h 24m.
Which day of the week has the most British Airways flights from Heathrow Airport (LHR) to Dublin Airport (DUB)?
British Airways has the most flights from Heathrow Airport (LHR) to Dublin Airport (DUB) on Saturday. With up to 8 daily departures, you'll get the most flexibility on this day.
What is the earliest British Airways flight from LHR to DUB?
The first flight from LHR to DUB with British Airways leaves at 6:30AM UTC+0. You'll land at 7:55AM UTC+0. The final British Airways flight of the day leaves at 7:55PM UTC+0 and arrives at 9:15PM UTC+0. With around 20% fewer cancellations for morning departures, jetting out early is usually the best option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does British Airways fly into in Dublin?
Get on a British Airways flight from Heathrow Airport (LHR) to Dublin, and you'll probably come in to Dublin Airport (DUB). This is the airline's primary hub here.
What kind of luggage can I take on a British Airways flight from Heathrow Airport (LHR) to Dublin Airport (DUB)?
British Airways lets travelers bring 1 checked-in bag weighing up to 50 lb with maximum dimensions of 29 inches x 15 inches x 16 inches on standard economy flights from LHR to DUB. Additionally, you can take 2 cabin bags with you in the cabin. This carry-on luggage must not exceed 19 inches x 9 inches x 17 inches and be no heavier than 50 lb. Baggage rules can vary depending on your cabin class and fare type, so check your booking or British Airways's website to avoid unexpected fees at the airport.
Why fly with British Airways from LHR to DUB?
Flying from LHR to DUB with British Airways means enjoying a host of perks, such as a 4-star airline rating and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to use on select future travel purchases. That's in addition to the British Airways Executive Club points you can earn with British Airways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does British Airways fly from Heathrow Airport (LHR) to Dublin Airport (DUB)?
For the Heathrow Airport (LHR) to Dublin Airport (DUB) route, British Airways typically flies Airbus A320 and Airbus A320neo planes. Don't forget that last-minute changes can occur for operational needs, meaning your flight could be on another aircraft.
Can I change or cancel my British Airways flight from Heathrow Airport (LHR) to Dublin Airport (DUB)?
In most cases, you can reschedule or cancel your flight, although there may be additional charges if you booked over 24 hours ago. Need flexible options? Use our "Changes included" or "No cancel fee" filter to find flights that won't charge you extra if you have to adjust your plans. To modify your itinerary, visit "Trips," select your flight and click on "Manage Booking" for more details.

Travel information

Origin airport
Heathrow
Destination airport
Dublin
Airlines serving
Aer Lingus, Air France, Austrian Airlines, British Airways, Eurowings, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines
Popular airline
British Airways
Distance
278 mi
Average flight time
1 hour 21 mins
*Available to One Key members.