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Cheap Flights from Knock (NOC) to London (LHR)

Compare Ireland West Knock to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from Ireland West Knock to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Ireland West Knock to London Heathrow? Find the lowest prices on one-way and return tickets right here.
London.$148 per passenger.Departing Tue, 14 Oct, returning Tue, 21 Oct.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Ireland West Knock on Tue, 14 Oct, arriving in London Heathrow.Inbound direct flight with Aer Lingus departs from London Heathrow on Tue, 21 Oct, arriving in Ireland West Knock.Price includes taxes and charges.From $148, select.
London.$183 per passenger.Departing Wed, 24 Sep, returning Wed, 1 Oct.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Ireland West Knock on Wed, 24 Sep, arriving in London Heathrow.Inbound direct flight with Aer Lingus departs from London Heathrow on Wed, 1 Oct, arriving in Ireland West Knock.Price includes taxes and charges.From $183, select.
London.$188 per passenger.Departing Tue, 7 Oct, returning Thu, 6 Nov.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Ireland West Knock on Tue, 7 Oct, arriving in London Heathrow.Inbound direct flight with Aer Lingus departs from London Heathrow on Thu, 6 Nov, arriving in Ireland West Knock.Price includes taxes and charges.From $188, select.
London.$200 per passenger.Departing Tue, 9 Sep, returning Thu, 11 Sep.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Ireland West Knock on Tue, 9 Sep, arriving in London Heathrow.Inbound direct flight with Aer Lingus departs from London Heathrow on Thu, 11 Sep, arriving in Ireland West Knock.Price includes taxes and charges.From $200, select.
London.$208 per passenger.Departing Wed, 28 Jan, returning Wed, 18 Feb.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Ireland West Knock on Wed, 28 Jan, arriving in London Heathrow.Inbound direct flight with Aer Lingus departs from London Heathrow on Wed, 18 Feb, arriving in Ireland West Knock.Price includes taxes and charges.From $208, select.
London.$208 per passenger.Departing Tue, 11 Nov, returning Wed, 12 Nov.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Ireland West Knock on Tue, 11 Nov, arriving in London Heathrow.Inbound direct flight with Aer Lingus departs from London Heathrow on Wed, 12 Nov, arriving in Ireland West Knock.Price includes taxes and charges.From $208, select.
London.$208 per passenger.Departing Wed, 3 Dec, returning Thu, 4 Dec.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Ireland West Knock on Wed, 3 Dec, arriving in London Heathrow.Inbound direct flight with Aer Lingus departs from London Heathrow on Thu, 4 Dec, arriving in Ireland West Knock.Price includes taxes and charges.From $208, select.
London.$208 per passenger.Departing Fri, 16 Jan, returning Sun, 18 Jan.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Ireland West Knock on Fri, 16 Jan, arriving in London Heathrow.Inbound direct flight with Aer Lingus departs from London Heathrow on Sun, 18 Jan, arriving in Ireland West Knock.Price includes taxes and charges.From $208, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ireland West Knock to London Heathrow flights are currently cheapest in October.
Sep
from $200
Oct
from $148
Nov
from $208
Dec
from $208
Jan
from $208
Feb
from $212
Mar
from $212
Apr
from $268
May
from $268
Jun
from $273
Jul
from $520
Aug
Find prices

Direct flights from Ireland West Knock to London Heathrow

Ireland West Knock to London Heathrow: Alternative routes

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

Knock to London: Flight information

The things to know before you go.
Cheapest flight found$148
Cheapest month to flyOctober
Average flight time1 hr, 28 mins
Most popular airlineAer Lingus
Average flights per week23

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

The best price we found for a return flight from Ireland West Knock to London Heathrow is $148. 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.
1 hour and 28 minutes is the average flight time from Ireland West Knock to London Heathrow.
Aer Lingus, Qatar Airways and British Airways fly direct from Ireland West Knock to London Heathrow.
As of September 2025, there are 23 flights per week flying from Ireland West Knock to London Heathrow.
The cheapest month to fly from Ireland West Knock to London Heathrow is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ireland West Knock Airport to London Heathrow Airport on Tuesday, 14 October 2025.
Yes – the average flight time is 1 hour and 28 minutes.
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 London Heathrow 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Aer Lingus offers the cheapest flight tickets to London Heathrow.

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

  • Around 1 hour 25 minutes is how long you can expect to be in the air on a direct flight from Ireland West Airport Knock to London Heathrow Airport.

  • Knock and London share the UTC+0 timezone. This means there's no time difference to consider.

  • You can choose from ten weekly Ireland West Airport Knock to London Heathrow Airport flights. The 13:00 departure with Aer Lingus is the earliest available. Aer Lingus operates the latest service of the day at 13:05.

  • Get to the airport on time so you don't miss your NOC to LHR flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

  • During popular months such as August, it's best to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during a high season in general.

  • Getting to London (and then discovering more of United Kingdom!) is a breeze with Aer Lingus. This popular airline has direct flights from Ireland West Airport Knock to London Heathrow Airport.

  • Aer Lingus is the most frequently booked airline on this route.

  • The carrier with the top on-time arrival performance for NOC to LHR flights is Aer Lingus.

  • If you'd like to split up your journey, just uncheck 'Direct flights only' when searching for your ticket from Ireland West Airport Knock to London Heathrow Airport. These are the top stopovers between NOC and LHR:

    • Edinburgh Airport

    • Cologne Bonn Airport

    • Manchester Airport

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

  • $59 is currently the best price for a one-way Ireland West Airport Knock to London Heathrow Airport flight. A return flight starts from $148. These fares may change based on demand.

  • Book six months before flying. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from NOC to LHR.

  • Organise your trip for May. That's the cheapest month for flights from Ireland West Airport Knock to London Heathrow Airport. If you're flexible with your travel dates, try out the 'Whole month' tool to find the cheapest price across each month.

  • You don't need to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll notify you the moment there's a better deal on cheap flights from NOC to LHR.

  • Tailor your trip using filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Ireland West Airport Knock to London Heathrow Airport.

Handy information about Ireland West Airport Knock (NOC)

  • 52.13% of flights departing from Ireland West Airport Knock touch down at their destination on time.

  • To reach Ireland West Airport Knock from central Knock, it'll take about 20 minutes if you're going by car. This depends on traffic though. It's approximately 21 kilometres from the airport to the city centre.

  • Catching public transport? Expect a trip time of around 25 minutes.

  • Taking an early flight from Ireland West Airport Knock to London Heathrow Airport? Avoid the hassle of rushing to the airport (and get some extra shut-eye) by picking one of these stays close to NOC:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport is roughly 31 kilometres from central London. Driving there takes about 55 minutes.

  • It typically takes 1 hour if you're using public transport.

When to fly to London Heathrow Airport (LHR)

  • The quietest month for a flight from Ireland West Airport Knock to London Heathrow Airport is February, while July is the busiest. Choose the best time to visit London based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Lock in your flights from Ireland West Airport Knock to London Heathrow Airport in this month if this is the type of weather you like.

  • January has average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap tickets from NOC to LHR around that time if you like cooler conditions.

Explore more of United Kingdom

  • London has loads to offer, but there are so many other parts of United Kingdom waiting to be discovered. Around 161 kilometres north-west of London, a trip to Birmingham will fill your itinerary to the brim. Check out popular attractions like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another standout destination in United Kingdom and is around 177 kilometres west of London. No journey is complete without experiencing Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Plan the rest of your trip from Knock to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.