Find cheap flights to London

Find cheap flights to London

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London All airports
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Good to know

Low season

June Best time to beat the crowds (7% less expensive on average)

High season

August Most popular time to fly (20% more expensive on average)

Average price of a return ticket

€74 (avg. price over the last 2 weeks)

Good deal for a return ticket

€30 or less

Top tips for finding cheap flights to London

  • Looking for cheap airfare to London? 25% of our users found return tickets to London for the following prices or less: From Shannon €38, from Dublin €43, from Knock Intl €44
  • Book at least 3 weeks before departure in order to get a below-average price.
  • High season is considered to be July, August and September. The cheapest month to fly to London is January.
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest London flight deals.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs - booking London flights

How long is the flight to London?

What is the cheapest flight to London?

Which airlines fly to London?

Which London airport is closest to central London?

How does KAYAK find such low prices on flights to London?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to London?

What is the Hacker Fare option on flights to London?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to London?

Top 3 airlines flying to London

Scores according to KAYAK customer reviews

7.4
Aer Lingus
Overall score based on 6,062 reviews
7.6
Boarding
7.3
Comfort
8.0
Crew
7.1
Entertainment
6.9
Food
Airline reviews
Read more about Aer Lingus

Book Cheap London Plane Tickets (Return)

Airports
Origin
Cork
€27
only
€27
Dublin
€27
only
€27
Destination
London
€49
only
€49
€27
only
€27
€128
only
€128
€27
only
€27
€27
only
€27
€27
only
€27
Thu, 23 Jul
ORK
Cork Airport
STN
London Stansted Airport
1h 30m
Wed, 12 Aug
STN
London Stansted Airport
ORK
Cork Airport
1h 25m
€27
Trip: 21 days
Based on null reviews
Fri, 13 Nov
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 25m
Sat, 14 Nov
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 25m
€49
Trip: 2 days
Based on null reviews
Sun, 23 Aug
DUB
Dublin Airport
LGW
London Gatwick Airport
1h 40m
Thu, 27 Aug
LGW
London Gatwick Airport
DUB
Dublin Airport
1h 25m
€52
Trip: 5 days
Based on null reviews
Thu, 10 Sep
DUB
Dublin Airport
LGW
London Gatwick Airport
1h 40m
Sun, 13 Sep
LGW
London Gatwick Airport
DUB
Dublin Airport
1h 20m
€27
Trip: 4 days
Based on null reviews
Thu, 10 Sep
DUB
Dublin Airport
SEN
London Southend
1h 20m
Sun, 13 Sep
SEN
London Southend
DUB
Dublin Airport
1h 15m
€27
Trip: 4 days
Based on null reviews
Fri, 16 Oct
DUB
Dublin Airport
LGW
London Gatwick Airport
1h 40m
Sun, 18 Oct
LGW
London Gatwick Airport
DUB
Dublin Airport
1h 35m
€64
Trip: 3 days
Based on null reviews
Thu, 10 Sep
DUB
Dublin Airport
LTN
London Luton Airport
1h 15m
Sun, 13 Sep
LTN
London Luton Airport
DUB
Dublin Airport
1h 20m
€27
Trip: 4 days
Based on null reviews
Thu, 10 Sep
DUB
Dublin Airport
STN
London Stansted Airport
1h 20m
Sun, 13 Sep
STN
London Stansted Airport
DUB
Dublin Airport
1h 25m
€27
Trip: 4 days
Based on null reviews
Fri, 31 Jul
ORK
Cork Airport
STN
London Stansted Airport
1h 30m
Mon, 3 Aug
STN
London Stansted Airport
ORK
Cork Airport
1h 25m
€28
Trip: 4 days
Based on null reviews
Sun, 2 Aug
DUB
Dublin Airport
LGW
London Gatwick Airport
1h 35m
Wed, 5 Aug
LGW
London Gatwick Airport
DUB
Dublin Airport
1h 25m
€28
Trip: 4 days
Based on null reviews
Fri, 24 Jul
DUB
Dublin Airport
LTN
London Luton Airport
1h 15m
Sun, 26 Jul
LTN
London Luton Airport
DUB
Dublin Airport
1h 20m
€28
Trip: 3 days
Based on null reviews
Thu, 19 Nov
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 15m
Thu, 26 Nov
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 25m
€51
Trip: 8 days
Based on null reviews
Fri, 25 Sep
DUB
Dublin Airport
LGW
London Gatwick Airport
1h 40m
Sun, 27 Sep
LGW
London Gatwick Airport
DUB
Dublin Airport
1h 20m
€54
Trip: 3 days
Based on null reviews
Thu, 23 Jul
DUB
Dublin Airport
STN
London Stansted Airport
1h 20m
Sat, 25 Jul
STN
London Stansted Airport
DUB
Dublin Airport
1h 25m
€28
Trip: 3 days
Based on null reviews
Wed, 11 Nov
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 15m
Tue, 17 Nov
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 30m
€52
Trip: 7 days
Based on null reviews
Thu, 6 Aug
ORK
Cork Airport
LGW
London Gatwick Airport
1h 25m
Thu, 13 Aug
LGW
London Gatwick Airport
ORK
Cork Airport
1h 25m
€28
Trip: 8 days
Based on null reviews
Sun, 16 Aug
ORK
Cork Airport
LHR
London Heathrow Airport
22h 25m
Sat, 22 Aug
LHR
London Heathrow Airport
ORK
Cork Airport
13h 50m
€122
Trip: 7 days
Based on null reviews
Sun, 23 Aug
DUB
Dublin Airport
LGW
London Gatwick Airport
1h 35m
Tue, 25 Aug
LGW
London Gatwick Airport
DUB
Dublin Airport
1h 20m
€57
Trip: 3 days
Based on null reviews
Wed, 2 Dec
DUB
Dublin Airport
LCY
London City
4h 50m
Wed, 16 Dec
LCY
London City
DUB
Dublin Airport
5h 40m
€128
Trip: 15 days
Based on null reviews
Wed, 11 Nov
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 15m
Wed, 18 Nov
LHR
London Heathrow Airport
DUB
Dublin Airport
1h 25m
€53
Trip: 8 days
Based on null reviews
Show more results

Book Cheap London Plane Tickets (One-way)

Airports
Origin
Cork
€14
only
€14
Dublin
€14
only
€14
Destination
London
€14
only
€14
€16
only
€16
€14
only
€14
€14
only
€14
€14
only
€14
Thu, 20 Aug
DUB
Dublin Airport
LTN
London Luton Airport
1h 15m
€14
Based on null reviews
Fri, 14 Aug
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 25m
€16
Based on null reviews
Thu, 20 Aug
ORK
Cork Airport
STN
London Stansted Airport
1h 30m
€14
Based on null reviews
Thu, 20 Aug
DUB
Dublin Airport
LGW
London Gatwick Airport
1h 30m
€30
Based on null reviews
Tue, 18 Aug
DUB
Dublin Airport
SEN
London Southend
1h 20m
€14
Based on null reviews
Fri, 7 Aug
DUB
Dublin Airport
LGW
London Gatwick Airport
1h 40m
€14
Based on null reviews
Sun, 16 Aug
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 30m
€18
Based on null reviews
Thu, 23 Jul
DUB
Dublin Airport
STN
London Stansted Airport
1h 25m
€14
Based on null reviews
Fri, 31 Jul
DUB
Dublin Airport
LTN
London Luton Airport
14h 05m
€37
Based on null reviews
Tue, 1 Sep
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 15m
€19
Based on null reviews
Tue, 28 Jul
DUB
Dublin Airport
LTN
London Luton Airport
1h 15m
€14
Based on null reviews
Thu, 6 Aug
ORK
Cork Airport
STN
London Stansted Airport
1h 30m
€14
Based on null reviews
Wed, 16 Sep
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 40m
€20
Based on null reviews
Thu, 13 Aug
DUB
Dublin Airport
SEN
London Southend
1h 20m
€14
Based on null reviews
Fri, 31 Jul
DUB
Dublin Airport
LGW
London Gatwick Airport
1h 30m
€14
Based on null reviews
Sun, 30 Aug
DUB
Dublin Airport
LHR
London Heathrow Airport
1h 30m
€21
Based on null reviews
Wed, 26 Aug
DUB
Dublin Airport
LGW
London Gatwick Airport
1h 30m
€30
Based on null reviews
Sun, 16 Aug
ORK
Cork Airport
LGW
London Gatwick Airport
1h 20m
€14
Based on null reviews
Sun, 13 Sep
DUB
Dublin Airport
LHR
London Heathrow Airport
20h 10m
€63
Based on null reviews
Thu, 30 Jul
DUB
Dublin Airport
STN
London Stansted Airport
1h 25m
€14
Based on null reviews
Show more results
*
Prices are per person, are for e–tickets and include all taxes & fees in EUR.

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 hires 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.

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