Find cheap flights from Dublin to London Heathrow Airport

DUB - LHR

Find cheap flights from Dublin to London Heathrow Airport

Round-trip
Economy
Dublin (DUB)
London Heathrow
Fri 5/29
Fri 6/5
Any month
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Search hundreds of travel sites at once for deals on flights to London Heathrow Airport

Good to know

Low season

February Best time to beat the crowds with an average 10% drop in price.

High season

June Most popular time to fly with an average 8% increase in price.

Average price of a round-trip

$101 (avg. price over the last 2 weeks)

Good deal for a round-trip

$114 or less

When to book flights from Dublin to London Heathrow

Estimated round-trip price
Average price per month
Flight prices as travel date approaches
-1 day
-2 days

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $121 or less.
  • The cheapest flight from Dublin to London Heathrow Airport was found 66 days before departure, on average.
  • Book at least 3 weeks before departure in order to get a below-average price.
  • High season is considered to be May, June and July. The cheapest month to fly is February.
  • Morning departure is around 17% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking Dublin to London Heathrow Airport flights

Are flight prices cheaper from Dublin to London Heathrow Airport because of Coronavirus (COVID-19)?

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

How many flights are there between Dublin and London Heathrow Airport?

Which airlines provide the cheapest flights from Dublin to London Heathrow Airport?

Do I need a passport to fly between Dublin and London Heathrow Airport?

Which airlines fly most frequently between Dublin and London Heathrow Airport?

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

How does KAYAK’s flight Price Forecast tool help me choose the right time to buy?

Book cheap flights from Dublin to London Heathrow Airport (round-trip)

Airports
Origin
Dublin
$61
only
$61
Destination
London
$61
only
$61
Mon, Nov 2
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 15m
Mon, Nov 16
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 20m
Trip: 15 days
Based on null reviews
Tue, Oct 6
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 15m
Tue, Oct 20
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 25m
Trip: 15 days
Based on null reviews
Tue, Oct 6
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 15m
Mon, Oct 19
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 25m
Trip: 14 days
Based on null reviews
Tue, Oct 6
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 15m
Thu, Oct 22
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 25m
Trip: 17 days
Based on null reviews
Sat, Oct 3
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 40m
Mon, Oct 19
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 25m
Trip: 17 days
Based on null reviews
Sat, Oct 3
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 20m
Thu, Oct 22
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 25m
Trip: 20 days
Based on null reviews
Sat, Oct 3
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 20m
Wed, Oct 21
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 30m
Trip: 19 days
Based on null reviews
Fri, Oct 2
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 15m
Sun, Oct 4
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 30m
Trip: 3 days
Based on null reviews
Wed, Jul 1
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 30m
Sat, Jul 4
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 25m
Trip: 4 days
Based on null reviews
Sat, Sep 12
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 30m
Sat, Sep 12
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 25m
Trip: 1 days
Based on null reviews
Fri, Jul 10
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 30m
Sat, Jul 11
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 25m
Trip: 2 days
Based on null reviews
Sat, Oct 3
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 20m
Fri, Oct 23
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 25m
Trip: 21 days
Based on null reviews
Sat, Oct 24
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 20m
Sat, Oct 31
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 25m
Trip: 8 days
Based on null reviews
Fri, Aug 7
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 15m
Sun, Aug 9
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 30m
Trip: 3 days
Based on null reviews
Fri, Aug 7
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 15m
Sun, Aug 9
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 30m
Trip: 3 days
Based on null reviews
Fri, Aug 7
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 15m
Sun, Aug 9
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 30m
Trip: 3 days
Based on null reviews
Wed, Sep 9
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 40m
Thu, Sep 10
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 30m
Trip: 2 days
Based on null reviews
Wed, Sep 9
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 40m
Thu, Sep 10
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 30m
Trip: 2 days
Based on null reviews
Tue, Sep 22
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 30m
Sun, Oct 4
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 35m
Trip: 13 days
Based on null reviews
Wed, Sep 9
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 40m
Thu, Sep 10
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 25m
Trip: 2 days
Based on null reviews
Show more results

Book cheap flights from Dublin to London Heathrow Airport (one-way)

Airports
Origin
Dublin
$20
only
$20
Destination
London
$20
only
$20
Wed, Aug 5
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 40m
Based on null reviews
Fri, Jul 10
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 30m
Based on null reviews
Sat, Aug 1
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 30m
Based on null reviews
Wed, Jun 10
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 25m
Based on null reviews
Thu, Aug 6
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 15m
Based on null reviews
Wed, Aug 5
DUB
Dublin Airport
LHR
London Heathrow Airport
6h 00m
Based on null reviews
Mon, Jun 29
DUB
Dublin Airport
LHR
London Heathrow Airport
5h 35m
Based on null reviews
Mon, Jun 22
DUB
Dublin Airport
LHR
London Heathrow Airport
6h 15m
Based on null reviews
Sat, Jun 20
DUB
Dublin Airport
LHR
London Heathrow Airport
22h 40m
Based on null reviews
Sat, Jun 20
DUB
Dublin Airport
LHR
London Heathrow Airport
22h 40m
Based on null reviews
Thu, Aug 6
DUB
Dublin Airport
LHR
London Heathrow Airport
8h 05m
Based on null reviews
Mon, Aug 3
DUB
Dublin Airport
LHR
London Heathrow Airport
5h 35m
Based on null reviews
Sat, Jun 6
DUB
Dublin Airport
LHR
London Heathrow Airport
22h 40m
Based on null reviews
Thu, Jul 2
DUB
Dublin Airport
LHR
London Heathrow Airport
4h 45m
Based on null reviews
Fri, Aug 7
DUB
Dublin Airport
LHR
London Heathrow Airport
7h 40m
Based on null reviews
Wed, Aug 5
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 25m
Based on null reviews
Fri, Jul 3
DUB
Dublin Airport
LHR
London Heathrow Airport
20h 30m
Based on null reviews
Thu, Jun 18
DUB
Dublin Airport
LHR
London Heathrow Airport
6h 00m
Based on null reviews
Sat, Jun 20
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 25m
Based on null reviews
Mon, Aug 3
DUB
Dublin Airport
LHR
London Heathrow Airport
6h 30m
Based on null reviews
Show more results

Top 5 airlines serving Dublin to London Heathrow

Scores according to KAYAK customer reviews

8.1
SWISS
Overall score based on 8,958 reviews
8.3
Boarding
7.9
Comfort
8.7
Crew
7.8
Entertainment
8.0
Food
Airline reviews
Read more about SWISS
*
Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an and someone from our team will get back to you promptly.

^
The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
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