88 € London Heathrow (LHR) to Ireland West Knock (NOC) Cheap Flights

Compare London Heathrow to Ireland West Knock flight deals

Find the cheapest month or even day of the year to fly to Ireland West Knock

Book the best Ireland West Knock fare with no extra fees

Flight deals from London Heathrow to Ireland West Knock

Looking for a cheap last-minute deal or the best return flight from London Heathrow Airport to Ireland West Knock Airport? If you want to travel next month, return fares start from 88 €. Find the lowest prices on one-way and return tickets right here.

Knock.88 € per passenger.Departing Sun, 13 Sep, returning Sat, 26 Sep.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from London Heathrow on Sun, 13 Sep, arriving in Ireland West Knock.Inbound direct flight with Aer Lingus departs from Ireland West Knock on Sat, 26 Sep, arriving in London Heathrow.Price includes taxes and charges.From 88 €, select.

Knock.112 € per passenger.Departing Tue, 29 Sep, returning Mon, 5 Oct.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from London Heathrow on Tue, 29 Sep, arriving in Ireland West Knock.Inbound direct flight with Aer Lingus departs from Ireland West Knock on Mon, 5 Oct, arriving in London Heathrow.Price includes taxes and charges.From 112 €, select.

Knock.116 € per passenger.Departing Wed, 26 Aug, returning Thu, 3 Sep.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from London Heathrow on Wed, 26 Aug, arriving in Ireland West Knock.Inbound direct flight with Aer Lingus departs from Ireland West Knock on Thu, 3 Sep, arriving in London Heathrow.Price includes taxes and charges.From 116 €, select.

Knock.140 € per passenger.Departing Wed, 7 Oct, returning Sun, 11 Oct.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from London Heathrow on Wed, 7 Oct, arriving in Ireland West Knock.Inbound direct flight with Aer Lingus departs from Ireland West Knock on Sun, 11 Oct, arriving in London Heathrow.Price includes taxes and charges.From 140 €, select.

Knock.145 € per passenger.Departing Wed, 19 Aug, returning Fri, 28 Aug.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from London Heathrow on Wed, 19 Aug, arriving in Ireland West Knock.Inbound direct flight with Aer Lingus departs from Ireland West Knock on Fri, 28 Aug, arriving in London Heathrow.Price includes taxes and charges.From 145 €, select.

Knock.157 € per passenger.Departing Tue, 18 Aug, returning Thu, 12 Nov.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from London Heathrow on Tue, 18 Aug, arriving in Ireland West Knock.Inbound direct flight with Aer Lingus departs from Ireland West Knock on Thu, 12 Nov, arriving in London Heathrow.Price includes taxes and charges.From 157 €, select.

Knock.157 € per passenger.Departing Thu, 8 Oct, returning Thu, 5 Nov.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from London Heathrow on Thu, 8 Oct, arriving in Ireland West Knock.Inbound direct flight with Aer Lingus departs from Ireland West Knock on Thu, 5 Nov, arriving in London Heathrow.Price includes taxes and charges.From 157 €, select.

Knock.164 € per passenger.Departing Wed, 18 Nov, returning Sat, 28 Nov.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from London Heathrow on Wed, 18 Nov, arriving in Ireland West Knock.Inbound direct flight with Aer Lingus departs from Ireland West Knock on Sat, 28 Nov, arriving in London Heathrow.Price includes taxes and charges.From 164 €, select.

Knock.168 € per passenger.Departing Mon, 11 Jan, returning Fri, 22 Jan.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from London Heathrow on Mon, 11 Jan, arriving in Ireland West Knock.Inbound direct flight with Aer Lingus departs from Ireland West Knock on Fri, 22 Jan, arriving in London Heathrow.Price includes taxes and charges.From 168 €, select.

Knock.169 € per passenger.Departing Sat, 5 Dec, returning Sat, 12 Dec.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from London Heathrow on Sat, 5 Dec, arriving in Ireland West Knock.Inbound direct flight with Aer Lingus departs from Ireland West Knock on Sat, 12 Dec, arriving in London Heathrow.Price includes taxes and charges.From 169 €, select.

Knock.172 € per passenger.Departing Sat, 28 Nov, returning Tue, 1 Dec.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from London Heathrow on Sat, 28 Nov, arriving in Ireland West Knock.Inbound direct flight with Aer Lingus departs from Ireland West Knock on Tue, 1 Dec, arriving in London Heathrow.Price includes taxes and charges.From 172 €, select.

Knock.174 € per passenger.Departing Sun, 13 Dec, returning Sun, 3 Jan.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from London Heathrow on Sun, 13 Dec, arriving in Ireland West Knock.Inbound direct flight with Aer Lingus departs from Ireland West Knock on Sun, 3 Jan, arriving in London Heathrow.Price includes taxes and charges.From 174 €, select.

Knock.179 € per passenger.Departing Sat, 30 Jan, returning Mon, 1 Feb.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from London Heathrow on Sat, 30 Jan, arriving in Ireland West Knock.Inbound direct flight with Aer Lingus departs from Ireland West Knock on Mon, 1 Feb, arriving in London Heathrow.Price includes taxes and charges.From 179 €, select.

Knock.179 € per passenger.Departing Thu, 11 Feb, returning Sat, 13 Feb.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from London Heathrow on Thu, 11 Feb, arriving in Ireland West Knock.Inbound direct flight with Aer Lingus departs from Ireland West Knock on Sat, 13 Feb, arriving in London Heathrow.Price includes taxes and charges.From 179 €, select.

Knock.184 € per passenger.Departing Wed, 5 May, returning Sat, 8 May.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from London Heathrow on Wed, 5 May, arriving in Ireland West Knock.Inbound direct flight with Aer Lingus departs from Ireland West Knock on Sat, 8 May, arriving in London Heathrow.Price includes taxes and charges.From 184 €, select.

Knock.184 € per passenger.Departing Mon, 1 Mar, returning Mon, 8 Mar.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from London Heathrow on Mon, 1 Mar, arriving in Ireland West Knock.Inbound direct flight with Aer Lingus departs from Ireland West Knock on Mon, 8 Mar, arriving in London Heathrow.Price includes taxes and charges.From 184 €, select.

Find the cheapest month to fly from London Heathrow to Ireland West Knock

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Ireland West Knock flights are currently cheapest in September.

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Direct flights from London Heathrow to Ireland West Knock

London Heathrow to Ireland West Knock: Alternative routes

Compare routes from London Heathrow to Knock below. You may find an airport to fly into that's cheaper, faster, or easier than Ireland West Knock.

Ireland West Knock

15km from central Knock

ClosestCheapest

from 88 €

Search flights

Spiddal Connemara

74km from central Knock

Search flights

London to Knock: Flight information

The things to know before you go.

Cheapest flight found	88 €
Cheapest month to fly	September
Average flight time	1 hr, 30 mins
Most popular airline	Aer Lingus
Average flights per week	23

Finding cheap flights from London Heathrow to Ireland West Knock: Frequently asked questions

How much are return flights from London Heathrow to Ireland West Knock?

The best price we found for a return flight from London Heathrow to Ireland West Knock is 88 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from London Heathrow to Ireland West Knock?

1 hour and 30 minutes is the average flight time from London Heathrow to Ireland West Knock.

Which airlines fly direct from London Heathrow to Ireland West Knock?

Aer Lingus, Qatar Airways and British Airways fly direct from London Heathrow to Ireland West Knock.

How many flights are there a week from London Heathrow to Ireland West Knock?

As of August 2026, there are 23 flights per week flying from London Heathrow to Ireland West Knock.

When is the cheapest time to fly from London Heathrow to Ireland West Knock?

The cheapest month to fly from London Heathrow to Ireland West Knock is usually September.

Which upcoming date is cheapest to fly from London Heathrow Airport to Ireland West Knock Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Ireland West Knock Airport on Sunday, 13 September 2026.

Can I get a direct flight from London Heathrow Airport to Ireland West Knock Airport?

Yes – the average flight time is 1 hour and 30 minutes.

How can I find the best flight deal to Ireland West Knock?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ireland West Knock but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Knock?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Knock is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from London Heathrow Airport to Ireland West Knock with?

Currently, Aer Lingus offers the cheapest flight tickets to Ireland West Knock.

Travelling from London Heathrow Airport (LHR) to Ireland West Knock Airport (NOC): what you need to know

The average time for a direct flight from London Heathrow Airport to Ireland West Knock Airport is 1 hour 30 minutes.
London and Knock share the same timezone, UTC+0.
Flights from LHR to NOC start at 11:00 — the earliest with Aer Lingus. The last service of the day is at 11:05 with Aer Lingus. In total, you can choose from seven weekly London Heathrow Airport to Ireland West Knock Airport flights.
Your LHR to NOC flight won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.
You'll likely experience bigger queues in popular months such as July. Arriving up to four hours ahead of an international flight and two hours for domestic departures will help ensure a smooth travel experience.
Flying into Knock (and then exploring more of Ireland!) is easy with Aer Lingus. This popular carrier has direct flights from London Heathrow Airport to Ireland West Knock Airport.
The airline that serves the most passengers on this route is Aer Lingus.
The most punctual carrier that operates LHR to NOC flights is Aer Lingus. Its services land without delay 77.59% of the time.
If you'd like to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from London Heathrow Airport to Ireland West Knock Airport. Here are the top stopovers between LHR and NOC:
- Manchester Airport
- Edinburgh Airport
- Faro Airport

How to find the cheapest flights from London Heathrow Airport (LHR) to Ireland West Knock Airport (NOC)

54 € is the lowest price for a one-way London Heathrow Airport to Ireland West Knock Airport flight. A return flight starts from 88 €. These fares may change depending on demand and availability.
To get your hands on cheap tickets from LHR to NOC, book as early as you can. Airlines usually offer lower prices when flights are first made available.
The cheapest month for flights from London Heathrow Airport to Ireland West Knock Airport is May. Use the 'Whole month' tool to see the lowest prices if you have a flexible travel schedule.
Landing cheap flights from LHR to NOC is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know when a new discounted fare appears.
Secure the perfect flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from London Heathrow Airport to Ireland West Knock Airport, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and journey duration.

Handy information about London Heathrow Airport (LHR)

When it comes to London Heathrow Airport's on-time performance, data shows 78% of flights complete their journey on time.
Central London to London Heathrow Airport is approximately 24 kilometres. Depending on traffic, it'll take you about 45 minutes to get there if you're driving, ride-sharing or catching a taxi.
The trip when using public transport takes roughly 25 minutes.
Have an early flight from London Heathrow Airport to Ireland West Knock Airport? Avoid the stress of rushing to the terminal (and sneak in some extra snooze time) by choosing one of these stays close to LHR:

Arriving at Ireland West Knock Airport (NOC)

Consider booking a hotel close to NOC if you have a late London Heathrow Airport to Ireland West Knock Airport flight. Check in to one of these accommodation options and avoid the hassle of a long transfer:
Pick up a Ireland West Knock Airport rental car and discover Knock and beyond with your own set of wheels. Budget, Carhire and Keddy By Europcar are well-known companies you can book with here.
For the best deal, book your vehicle from Ireland West Knock Airport around three weeks ahead.

Getting from Ireland West Knock Airport (NOC) to central Knock

Ireland West Knock Airport is roughly 6 kilometres from central Knock. Driving there takes about 10 minutes.
It takes around 15 minutes if you're travelling by public transport.

When to fly to Ireland West Knock Airport (NOC)

The quietest month for a flight from London Heathrow Airport to Ireland West Knock Airport is March, while May is the busiest. Choose the ideal time to go to Knock based on whether you prefer a faster pace or a more relaxed vibe.
Book your flight from London Heathrow Airport to Ireland West Knock Airport for July if you'd like to explore Knock during its warmest month. Expect temperatures of between 9ºC (48ºF) and 20ºC (68ºF).
January has average temperatures of between 0ºC (32ºF) and 8ºC (46ºF). Search for cheap tickets from LHR to NOC sometime then if you want to travel in cooler conditions.

Explore more of Ireland

Dublin is just one of the many cities in Ireland waiting to be explored after you've experienced Knock. Around 177 kilometres away to the east, well-known attractions include Guinness Storehouse, Trinity College Library and St. Patrick's Cathedral.
Around 209 kilometres south of Knock, Cork is another essential stop in Ireland. Start your sightseeing at Blarney Castle & Gardens, Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone.