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Flights to London Heathrow Airport

Cheap flights to London Heathrow Airport from €54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to London Heathrow Airport departing on 6/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Thu 6/6
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London Heathrow Airport flight deals found on momondo

Check out some of the best fares from airports in Ireland to London Heathrow Airport found recently by users on momondo
British Airways
13 Jun
DUB07:55Dublin
1h 30m
LHR09:25London Heathrow
19 Jun
LHR20:20London Heathrow
1h 25m
DUB21:45Dublin
Aer Lingus
8 Jun
DUB20:15Dublin
1h 20m
LHR21:35London Heathrow
15 Jun
LHR19:10London Heathrow
1h 20m
DUB20:30Dublin
Multiple Airlines
10 Sep
DUB15:55Dublin
1h 25m
LHR17:20London Heathrow
14 Sep
LHR21:00London Heathrow
1h 25m
DUB22:25Dublin
Lufthansa
17 Sep
DUB10:40Dublin
5h 05m
1 stop
LHR15:45London Heathrow
24 Sep
LHR17:30London Heathrow
4h 45m
1 stop
DUB22:15Dublin
KLM
5 Jun
DUB05:55Dublin
4h 50m
1 stop
LHR10:45London Heathrow
3 Jul
LHR06:30London Heathrow
3h 55m
1 stop
DUB10:25Dublin
Vueling
6 Jun
DUB08:15Dublin
5h 10m
1 stop
LHR13:25London Heathrow
12 Jun
LHR13:45London Heathrow
17h 45m
1 stop
DUB07:30Dublin

Find the cheapest one-way flights to London Heathrow Airport

If you're looking for one-way flights from Ireland to London Heathrow Airport, view some of our deals below provided by Aer Lingus and British Airways
British Airways
6 Jun
DUB07:55Dublin
1h 30m
LHR09:25London Heathrow
Aer Lingus
13 Jun
ORK20:30Cork
1h 15m
LHR21:45London Heathrow
Multiple Airlines
19 Jun
DUB11:45Dublin
10h 15m
1 stop
LHR22:00London Heathrow

Cheapest flights to London Heathrow Airport

Find the cheapest flights to London Heathrow Airport from your nearest city or airport
CHEAPEST MONTH TO FLY TO LONDON HEATHROW AIRPORT FROM DUBLINJanuary25% cheaperFlying from Dublin to London Heathrow Airport costs on average just €89 in January
MOST EXPENSIVE MONTH TO FLY TO LONDON HEATHROW AIRPORT FROM DUBLINJuly22% more expensiveIt costs about €145 for flights to London Heathrow Airport from Dublin in July
MOST POPULAR MONTH TO FLY TO LONDON HEATHROW AIRPORT FROM DUBLINJuly224% more users visitedMore momondo users searched in flights to London Heathrow Airport from Dublin in July than any other month

Flights to London Heathrow Airport

Summary info about to London Heathrow Airport flight prices, duration and airlines

Best One-Way Price

€54

Best Round-Trip Price

€104

Fastest flight time

1h 15m

Operated By

2 airlines
The best one-way flight price to London from Ireland in the last 72 hours is €54 (Dublin to London Heathrow).
The best round-trip flight price to London from Ireland in the last 72 hours is €104 (Dublin to London Heathrow).
The fastest flight to London from Ireland takes 1h 15m (Cork to London Heathrow).
There are 2 airlines operating flights to London, including British Airways and Aer Lingus.

When is the best time to fly to London Heathrow Airport?

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

In general, when booking your flight to London Heathrow Airport, January is the cheapest month on average.

When is the best time to book a flight to London Heathrow Airport?

From most locations, booking your flights to London Heathrow Airport around 139 days prior to your departure date finds the best deals.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the cheapest flights to London Heathrow Airport are found when departing on a Monday. Try to avoid departing on a Thursday, as this is usually the most expensive day.

Is there an alternative airport near London Heathrow Airport?

Finding an alternative and possibly cheaper destination airport near London Heathrow Airport is possible. If you are planning a flight to London Heathrow Airport, consider booking flights to London City Airport (12 km from London city centre), London Gatwick Airport (38 km from London city centre), London Luton Airport (45 km from London city centre), London Stansted Airport (50 km from London city centre) or London Southend Airport (57 km from London city centre).

Is there a cheaper alternative to flying into London?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in London is London Stansted Airport where the average price is €116. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to London?

In the past two weeks, users have booked deals to London for €18/person, which is 89% cheaper than the average flight to London. To find the cheapest price to London from your area, use momondo’s Airport-to-Airport Pricing Tool.

How long does it take to fly to London Heathrow Airport?

Flight times vary depending on what airport in Ireland you fly out of and what airport in London Heathrow Airport you fly into. For example, flying from Dublin to London Heathrow takes 1h 15m on average. On the other hand, flying from Shannon to London Heathrow takes 1h 15m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

When did momondo last update prices for flights to London Heathrow Airport?

Prices for flights to London Heathrow Airport were last updated today.

How many operators does momondo search for flights to London Heathrow Airport?

How old do you have to be to fly to London Heathrow Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Why use momondo?

Why should I use momondo to find a flight deal to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London.

Can I find flights to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for flights to London to just show those with flexible booking policies.

How can momondo help me find flights to London?

momondo helps you find the best flight to London by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight to London right now. Can momondo alert me if prices change?

Yes. momondo can track flight prices for London and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Popular routes according to searches in the past day on momondo