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Cheap flights from Ireland to London Heathrow Airport from £35

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to London Heathrow Airport departing on 13/5. 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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0 bags

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Find the cheapest flights from Ireland to London

Recent return flight deals from Ireland to London

KAYAK's recommended return flight deals from the most popular airlines that fly from Ireland to London.
British Airways Logo
20:20 - 21:40DUB-LHR
1h 20mdirect
British Airways Logo
06:15 - 07:40LHR-DUB
1h 25mdirect
£92British Airways
Find Deal
Wed, 18 Jun - Wed, 25 Jun
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
Aer Lingus Logo
09:50 - 11:20LHR-SNN
1h 30mdirect
£92Aer Lingus
Find Deal
Fri, 18 Apr - Sun, 20 Apr
British Airways Logo
08:35 - 10:10DUB-LHR
1h 35mdirect
British Airways Logo
06:15 - 07:40LHR-DUB
1h 25mdirect
£92British Airways
Find Deal
Thu, 1 May - Sat, 31 May
Aer Lingus Logo
13:05 - 14:30NOC-LHR
1h 25mdirect
Aer Lingus Logo
11:05 - 12:35LHR-NOC
1h 30mdirect
£92Aer Lingus
Find Deal
Fri, 2 May - Sun, 4 May
SWISS Logo
13:00 - 19:20DUB-LHR
6h 20m1 stop
SWISS Logo
06:00 - 12:10LHR-DUB
6h 10m1 stop
£103SWISS
Find Deal
Mon, 19 May - Mon, 26 May
Vueling Logo
08:20 - 14:15DUB-LHR
5h 55m1 stop
Vueling Logo
15:05 - 07:35LHR-DUB
16h 30m1 stop
£145Vueling
Find Deal
Thu, 15 May - Wed, 21 May
Scandinavian Airlines Logo
12:40 - 21:40DUB-LHR
9h 00m1 stop
Scandinavian Airlines Logo
06:40 - 18:15LHR-DUB
11h 35m1 stop
£155Scandinavian Airlines
Find Deal
Thu, 8 May - Wed, 21 May
Scandinavian Airlines Logo
12:40 - 21:40DUB-LHR
9h 00m1 stop
Scandinavian Airlines Logo
19:30 - 11:50LHR-DUB
16h 20m1 stop
£156Scandinavian Airlines
Find Deal
Thu, 8 May - Mon, 12 May
Vueling Logo
08:20 - 14:15DUB-LHR
5h 55m1 stop
Vueling Logo
15:05 - 07:25LHR-DUB
16h 20m1 stop
£174Vueling
Find Deal
Thu, 24 Apr - Thu, 1 May
SWISS Logo
18:40 - 07:55DUB-LHR
13h 15m1 stop
SWISS Logo
06:00 - 17:50LHR-DUB
11h 50m1 stop
£186SWISS
Find Deal
Wed, 11 Jun - Tue, 24 Jun

British Airways flights from Ireland to London Heathrow Airport

Our best British Airways deals on Ireland to London Heathrow Airport flight tickets
British Airways
18 Jun
DUB20:20Dublin
1h 20m
LHR21:40London Heathrow
25 Jun
LHR06:15London Heathrow
1h 25m
DUB07:40Dublin
British Airways
1 May
DUB08:35Dublin
1h 35m
LHR10:10London Heathrow
31 May
LHR06:15London Heathrow
1h 25m
DUB07:40Dublin
British Airways
18 Jun
DUB20:20Dublin
1h 20m
LHR21:40London Heathrow
26 Jun
LHR06:20London Heathrow
1h 25m
DUB07:45Dublin

Aer Lingus flights from Ireland to London Heathrow Airport

Our best Aer Lingus deals on Ireland to London Heathrow Airport flight tickets
Aer Lingus
18 Apr
SNN21:15Shannon
1h 25m
LHR22:40London Heathrow
20 Apr
LHR09:50London Heathrow
1h 30m
SNN11:20Shannon
Aer Lingus
2 May
NOC13:05Knock Intl
1h 25m
LHR14:30London Heathrow
4 May
LHR11:05London Heathrow
1h 30m
NOC12:35Knock Intl
Aer Lingus
1 May
NOC13:05Knock Intl
1h 25m
LHR14:30London Heathrow
4 May
LHR11:05London Heathrow
1h 30m
NOC12:35Knock Intl

See travel insights to London from

How to get the cheapest flight ticket from Ireland to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

In general, January is the cheapest month to fly from Ireland to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £96. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Ireland averaging around £99.

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

On average, the least expensive day to fly to London Heathrow Airport from Ireland is on a Friday. momondo users have found tickets for Friday departures for as low as £441. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £573.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Ireland to London Heathrow Airport in the evening for as low as £175. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £700 on average. Flights to London Heathrow Airport from Ireland in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Ireland to London Heathrow flight route?

Fly from Shannon to London Heathrow for the best Ireland - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Ireland when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £115 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Ireland for as low as £66 on momondo.

What cabin class options are available on Ireland to London Heathrow flights?

There are 3 cabin classes available to choose from on Ireland to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Ireland to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to London Heathrow Airport

Best price found

£35

Fastest flight time

1h 15m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Ireland in the past 72 hours is £35. The best return flight deal from Ireland to London Heathrow Airport found on momondo in the last 72 hours is £92.
The fastest flight from Ireland to London Heathrow Airport takes 1h 15m
Direct flights go from Ireland to London Heathrow Airport every day.

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

    Prices for flights from Ireland to London Heathrow Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to London Heathrow Airport.

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

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Ireland to London Heathrow Airport?


Best airlines flying from Ireland to London Heathrow Airport

Compare and see reviews for airlines that fly from Ireland to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £59Free CancellationRating
6.6
6,719 reviews
Search British Airways flights
Aer LingusPriceFrom £73Free CancellationRating
7.0
1,059 reviews
Search Aer Lingus flights

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Why use momondo?

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

It is quick and easy to find Ireland to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

momondo does allow users to show only those flights to London from Ireland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ireland to London?

momondo provides multiple filters to help you find the best flight to London from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Ireland to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


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