DUB - LHR

C$ 63 Find Cheap Flights from Dublin to London Heathrow Airport – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 152
Typical prices: C$ 185-C$ 281
British Airways
Sat 6/1Tue 9/1
DUB - LHR • Direct
Cheapest one-way flights
C$ 63
Typical prices: C$ 114-C$ 206
British Airways
Fri 5/1
DUB - LHR • Direct
Direct flights
You can fly direct with Aer Lingus and British Airways. Average duration is 1h 27m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 86% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 22 weeks in advance save around 44% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 20% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 727 (round-trip)
Shortest trip • 6h 18m (one-way)
Insights
Insights
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We hope you enjoy your trip to London Heathrow Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Dublin to Heathrow (DUB-LHR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dublin to Heathrow

Wed, 6 Jan - Sat, 9 Jan
British Airways Logo
10:30 a.m. - 12:00 p.m.DUB  Dublin-LHR London Heathrow
1h 30mdirect
British Airways Logo
6:30 a.m. - 7:50 a.m.LHR  London Heathrow-DUB Dublin
1h 20mdirect
C$ 152British Airways
Wed, 6 Jan - Sat, 9 Jan
British Airways Logo
9:00 a.m. - 10:30 a.m.DUB  Dublin-LHR London Heathrow
1h 30mdirect
British Airways Logo
12:45 p.m. - 2:15 p.m.LHR  London Heathrow-DUB Dublin
1h 30mdirect
C$ 153British Airways
Wed, 6 Jan - Sat, 9 Jan
British Airways Logo
10:30 a.m. - 12:00 p.m.DUB  Dublin-LHR London Heathrow
1h 30mdirect
British Airways Logo
6:25 p.m. - 7:45 p.m.LHR  London Heathrow-DUB Dublin
1h 20mdirect
C$ 153British Airways
Tue, 12 Jan - Thu, 14 Jan
Aer Lingus Logo
2:15 p.m. - 3:35 p.m.DUB  Dublin-LHR London Heathrow
1h 20mdirect
Aer Lingus Logo
2:15 p.m. - 3:40 p.m.LHR  London Heathrow-DUB Dublin
1h 25mdirect
C$ 156Aer Lingus
Sat, 7 Nov - Sun, 8 Nov
British Airways Logo
8:40 p.m. - 10:00 p.m.DUB  Dublin-LHR London Heathrow
1h 20mdirect
British Airways Logo
8:25 a.m. - 9:55 a.m.LHR  London Heathrow-DUB Dublin
1h 30mdirect
C$ 159British Airways
Sat, 14 Nov - Sun, 15 Nov
British Airways Logo
8:40 p.m. - 10:00 p.m.DUB  Dublin-LHR London Heathrow
1h 20mdirect
British Airways Logo
8:25 a.m. - 9:55 a.m.LHR  London Heathrow-DUB Dublin
1h 30mdirect
C$ 159British Airways
Mon, 8 Feb - Sun, 21 Feb
British Airways Logo
8:40 p.m. - 10:00 p.m.DUB  Dublin-LHR London Heathrow
1h 20mdirect
British Airways Logo
8:25 a.m. - 9:55 a.m.LHR  London Heathrow-DUB Dublin
1h 30mdirect
C$ 159British Airways
Sat, 9 Jan - Tue, 12 Jan
British Airways Logo
8:40 p.m. - 10:00 p.m.DUB  Dublin-LHR London Heathrow
1h 20mdirect
British Airways Logo
6:30 a.m. - 7:50 a.m.LHR  London Heathrow-DUB Dublin
1h 20mdirect
C$ 160British Airways
Tue, 6 Oct - Tue, 13 Oct
Aer Lingus Logo
9:40 a.m. - 11:10 a.m.DUB  Dublin-LHR London Heathrow
1h 30mdirect
Aer Lingus Logo
7:35 p.m. - 8:55 p.m.LHR  London Heathrow-DUB Dublin
1h 20mdirect
C$ 163Aer Lingus
Wed, 28 Oct - Wed, 28 Oct
Aer Lingus Logo
6:40 a.m. - 8:05 a.m.DUB  Dublin-LHR London Heathrow
1h 25mdirect
Aer Lingus Logo
8:45 p.m. - 10:05 p.m.LHR  London Heathrow-DUB Dublin
1h 20mdirect
C$ 177Aer Lingus
Booking Insights

Price, demand, and travel trends for Dublin to London Heathrow Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Dublin to London Heathrow Airport with more confidence.

How much is a round-trip flight from Dublin to London Heathrow Airport?

Round-trip flights from Dublin to London Heathrow Airport start at C$ 152. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 185 to C$ 281. The lowest price found in the past 5 days was C$ 152 on British Airways.

What's the cheapest day of the week to fly from Dublin to London Heathrow Airport?

Wednesday is the cheapest day of the week to fly from Dublin to London Heathrow Airport and is 10% cheaper than the average day. Sunday is the most expensive day with flight prices 6% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Dublin to London Heathrow Airport at C$ 178 round-trip.
  • April (C$ 252) and July (C$ 250) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 41% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Dublin to London Heathrow Airport the cheapest?

Flights from Dublin to London Heathrow Airport are cheapest 22 weeks before departure. Booking in this window typically costs about 44% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Dublin to Heathrow

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Air Canada

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Marisa Garcia

Marisa Garcia

Expert on Aer Lingus

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Duncan Madden

Duncan Madden

Expert on British Airways and LHR

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Ramsey Qubein

Ramsey Qubein

Expert on DUB

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Key details for Dublin to London Heathrow Airport flights

Low season

February

Cheapest flight

C$ 63
Best time to beat the crowds (10% less expensive on average)
Most popular time to fly (13% more expensive on average)
Flights from Dublin to London Heathrow Airport

When to book flights from Dublin to Heathrow

Are your dates flexible? Find out the best times to travel from Dublin to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Dublin to London Heathrow Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • How can I get from Heathrow into London?

    You have a few options, for example The Heathrow Express; it's a non-stop train that will get you into central London in 15-20min. Another option is the London Underground, which takes just under 1h. You can also use National Express coaches to get to London; if you book online, you can get a ticket to London Victoria for approx. £10 (around €12) in as little as 40min. National Express also has routes from Heathrow to other towns or cities outside of London and around the rest of the country.

  • Which terminal will I use in Heathrow?

    In Heathrow, the most common terminal used for flights to and from Dublin is Terminal 2. Terminal 2 is a short walk from the main terminal, and is served by the Heathrow Express train, so it's easy to get from there into the city. It boasts multiple lounge areas, restaurants, and shops; you can even pre-order gourmet meals to enjoy on-board.

  • Can I get additional assistance in Heathrow?

    Heathrow Airport offers an official concierge service called Meet and Assist. Starting at around £100 (approx. €120) depending on how many are in your group, you can book a Meet and Assist agent to guide you through the airport, help with security, and assist with baggage collection.

  • Which airlines offer extra legroom and free seat selection on Dublin to London Heathrow Airport flights?

    Among airlines operating Dublin to London Heathrow Airport flights:

    • Aer Lingus: offers extra legroom; offers free seat selection
    • British Airways: offers free seat selection
    • American Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines are available on the route from Dublin to London Heathrow Airport?

    2 airlines operate flights between Dublin and London Heathrow Airport. The airlines offering direct flights on this route include:

    • Aer Lingus
    • British Airways

  • Which airports can I use when flying from Dublin to London Heathrow Airport?

    Flights from Dublin to London Heathrow Airport usually depart from Dublin (DUB) and arrive at London Heathrow (LHR).

  • Which airlines include bags at no extra cost on Dublin to London Heathrow Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Aer Lingus: a carry-on bag and a checked bag in Economy Class
    • British Airways: a carry-on bag and a checked bag in Economy Class
    • American Airlines: a carry-on bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

  • Which cabin classes can I book on flights from Dublin to London Heathrow Airport?

    Only Economy Class is available on flights from Dublin to London Heathrow Airport.

  • How much can I save by taking a layover when flying from Dublin to London Heathrow Airport?

    On this route, direct flights are cheaper than layover options on average. Direct fares average C$ 221 round-trip, compared to C$ 727 via a layover through Amsterdam Schiphol (AMS).

  • What is the standard checked bag allowance on flights from Dublin to London Heathrow Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 37–C$ 138 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Dublin to London Heathrow Airport?

    The Airbus A320neo family is used most often on this route, operated mainly by Aer Lingus and British Airways. Other aircraft seen on the route include Airbus A320-100/200 variants.

  • Which airports do connecting flights from Dublin to London Heathrow Airport pass through?

    Connecting flights from Dublin to London Heathrow Airport most commonly pass through:

    • Amsterdam Schiphol (AMS) – 50% of one-stop connections
    • Duesseldorf Intl (DUS) – 50% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Dublin to London Heathrow Airport?

    Yes. Being flexible with your travel dates can save you up to 16% on the Dublin to London Heathrow Airport route. Wednesday is the cheapest departure day at C$ 201 round-trip on average, while Sunday is the most expensive at C$ 237, a difference of C$ 36. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed on the route from Dublin to London Heathrow Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Dublin to London Heathrow Airport route, 15% of flights were delayed in the past 3 months, with delays averaging 1 hour 39 minutes.

  • How are flight departures from Dublin to London Heathrow Airport spread across the day?

    Afternoon is the busiest departure period on Dublin to London Heathrow Airport flights, with 41% leaving in that window. Morning departures account for 36%, Evening flights for 23%, and Night flights for 0%.

  • Which popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Paddington Station, Central London, and London Victoria Station. These are among the most viewed places in London Heathrow Airport on KAYAK.

  • What are the earliest and latest flights from Dublin to London Heathrow Airport?

    These are the earliest and latest flight times available from Dublin to London Heathrow Airport:

    • Earliest: departs at 6:30 am and lands at 7:57 am
    • Latest: departs at 8:40 pm and lands at 10:07 pm.

    The flight takes about 1h 27m.

  • How expensive are last-minute Dublin to London Heathrow Airport flights?

    Last-minute fares on this route – booked within 2 weeks of departure – run 38% above the route average of C$ 222. Book 22 weeks before departure for the lowest fares.

  • How long does a flight from Dublin to London Heathrow Airport take?

    A direct flight from Dublin to London Heathrow Airport takes 1h 27m, covering 722 km.

  • Do I need a passport to fly from Dublin to London Heathrow Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Dublin to London Heathrow Airport looking right now?

    One-way fares from Dublin to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about C$ 67, which is 54% below the typical average for this route.

  • How do delay rates compare for morning and evening flights from Dublin to London Heathrow Airport?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different layover airport when travelling from Dublin to London Heathrow Airport?

    Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time at 4h 14m, compared with 6h 18m via Duesseldorf Intl (DUS).

  • What car rental options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around C$ 10 for economy cars. Top options include:
    · GREEN MOTION
    · DRIVALIA
    · Europcar
    · Alamo
    · Hertz

  • How much should I expect to pay for a Dublin to London Heathrow Airport flight?

    Round-trip flights from Dublin to London Heathrow Airport range from C$ 185 to C$ 281, with an average of C$ 222 over the past 12 months. Anything below C$ 185 counts as a good deal.

Your guide to booking Dublin to London Heathrow Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average C$ 201 – about C$ 36 less than Sunday (15% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 22 weeks before you fly. On this route, that window historically saves about 44% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Dublin to London Heathrow Airport trip for January. Fares historically average C$ 178 round-trip in that month – typically C$ 74 less than the most expensive month, which is April (based on the last 12 months).
  • If arriving on time is high on your priority list, Aer Lingus is the strongest pick on this route. 86% of Aer Lingus flights from Dublin to London Heathrow Airport arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 85%. When flights on this route do arrive late, the average delay is 1 hour39 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.
    - Hilton London Heathrow Airport
  • There are a wide variety of hotels within walking distance of London Heathrow (LHR) Arrivals (for example, the Hilton Garden Inn or Aerotel), and many of them sell packages that include airport pickup services.
  • If you have an early flight, there are several hotels near Dublin Airport (DUB) (for example, the Carlton Hotel or Radisson Blu), which include long-stay parking in their packages, meaning you could stay over the night before your flight and save the early-morning travel.
  • Heathrow is London's busiest airport, so border control can be lengthy. Be prepared to wait from 45min to 2h at security.

Prefer to fly direct from Dublin to London Heathrow Airport?

 
Find which airlines fly direct from Dublin Airport to London Heathrow Airport, which days they fly and book direct flights.

Direct departures

Dublin to London Heathrow

Monday

Aer Lingus,British Airways

Aer Lingus,British Airways

Tuesday

Aer Lingus,British Airways

Aer Lingus,British Airways

Wednesday

Aer Lingus,British Airways

Aer Lingus,British Airways

Thursday

Aer Lingus,British Airways

Aer Lingus,British Airways

Friday

Aer Lingus,British Airways

Aer Lingus,British Airways

Saturday

Aer Lingus,British Airways

Aer Lingus,British Airways

Sunday

Aer Lingus,British Airways

Aer Lingus,British Airways

See more nonstop flights

Direct returns

London Heathrow to Dublin

Monday

Aer Lingus,British Airways

Aer Lingus,British Airways

Tuesday

Aer Lingus,British Airways

Aer Lingus,British Airways

Wednesday

Aer Lingus,British Airways

Aer Lingus,British Airways

Thursday

Aer Lingus,British Airways

Aer Lingus,British Airways

Friday

Aer Lingus,British Airways

Aer Lingus,British Airways

Saturday

Aer Lingus,British Airways

Aer Lingus,British Airways

Sunday

Aer Lingus,British Airways

Aer Lingus,British Airways

See more nonstop flights

More options for your flight from Dublin to Heathrow

Complete your trip to London with a hotel stay or car rental