What is the most punctual flight time for Knock to London flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Which airline has the best punctuality record on Knock to London flights?

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 15% of flights being delayed.

How often are flights from Knock to London delayed?

About 15% of weekly flights between Knock and London have experienced delays in the past year, with the average delay time being 94 minutes.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

How long is the flight from Knock to London Heathrow Airport?

A quick flight from Knock to London Heathrow Airport can take about 1h 25m. Aer Lingus provides one of the quickest options available for as low as £91. The distance between Knock and London Heathrow Airport is about 388 mi. All flights are typically direct.

What is the cheapest airline to fly from Knock to London Heathrow Airport round-trip?

Cheapflights users have booked flights from Knock to London Heathrow Airport round-trip from £97. Users have found that Aer Lingus is 37% cheaper than the other options available to this destination.

Weekly flight availability from Knock to London Heathrow Airport

The most flights from NOC to LHR are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the cheapest flights from Knock to London Heathrow Airport?

Looking for the cheapest flight from Knock to London Heathrow Airport? While on average our users pay £79, our data indicates the cheapest price to be £48. The most popular route (Knock Intl - London Heathrow), is priced around £91.

What are the most reliable airlines from Knock to London Heathrow Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Knock to London Heathrow Airport on time: Qatar Airways (87%), Aer Lingus (87%), British Airways (87%).

What airport do you fly from for flights from Knock to London Heathrow?

Knock Intl (NOC) is the airport you will fly out of if you book a flight from Knock to London Heathrow. You should not have trouble finding flights to London Heathrow from Knock Intl; the airport handles an average of 3 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Knock airport to London Heathrow. It is only a 9.2 mi journey to Knock Intl (NOC) from Knock’s city center.

Can I find deals for flights from Knock to Heathrow that include hotel bookings?

Yes. In addition to deals on Knock to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Knock to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knock to Heathrow.

Can I find deals for business class flights from Knock to Heathrow?

Yes. Cheapflights offers flight deals from Knock to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£45+ Cheap Flights from Knock to London Heathrow Airport

Q: How much does it cost for a return flight from Knock to London Heathrow Airport?

Airfare is below average for this route at the moment. Knock to London Heathrow Airport flights typically cost between £104 and £129 in August. The cheapest return flight price found within the last 3 days was £89 on Aer Lingus (19 Aug-25 Aug).

Cheap flight deals from Knock to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Knock to Heathrow
Explore the most affordable flight options available from Knock to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 June 2026.

Wed 19/813:05

NOC

LHR

Nonstop1h 25m

Aer Lingus

Tue 25/811:05

LHR

NOC

Nonstop1h 30m

Aer Lingus

Deal found 27/6£89

Thu 20/813:05

NOC

LHR

Nonstop1h 25m

Aer Lingus

Sun 23/811:05

LHR

NOC

Nonstop1h 30m

Aer Lingus

Deal found 22/6£90

Sat 18/713:05

NOC

LHR

Nonstop1h 25m

Aer Lingus

Sun 26/711:05

LHR

NOC

Nonstop1h 30m

Aer Lingus

Deal found 26/6£91

Sat 18/713:05

NOC

LHR

Nonstop1h 25m

Aer Lingus

Tue 21/711:05

LHR

NOC

Nonstop1h 30m

Aer Lingus

Deal found 22/6£93

Thu 16/713:05

NOC

LHR

Nonstop1h 25m

Aer Lingus

Sun 19/711:05

LHR

NOC

Nonstop1h 30m

Aer Lingus

Deal found 24/6£94

Sat 18/713:05

NOC

LHR

Nonstop1h 25m

Aer Lingus

Sun 19/711:05

LHR

NOC

Nonstop1h 30m

Aer Lingus

Deal found 26/6£96

Wed 19/813:05

NOC

LHR

Nonstop1h 25m

Aer Lingus

Mon 24/811:05

LHR

NOC

Nonstop1h 30m

Aer Lingus

Deal found 22/6£102

Sat 4/713:05

NOC

LHR

Nonstop1h 25m

Aer Lingus

Tue 7/711:05

LHR

NOC

Nonstop1h 30m

Aer Lingus

Deal found 25/6£110

Wed 5/813:05

NOC

LHR

Nonstop1h 25m

Aer Lingus

Sun 9/811:05

LHR

NOC

Nonstop1h 30m

Aer Lingus

Deal found 26/6£112

Fri 17/713:05

NOC

LHR

Nonstop1h 25m

Aer Lingus

Sun 19/711:05

LHR

NOC

Nonstop1h 30m

Aer Lingus

Deal found 25/6£115

Find flight deals from Knock to Heathrow

Round-trip from	£90
One-way from	£45
Popular in	May
Cheapest in	January
Average price	£161
Good one-way deal	£48 or less

Aer Lingus
20/8-23/8
Nonstop
2h 55m total
Knock to London

Search Deals

Aer Lingus
13/8
Nonstop
1h 25m total
Knock to London

Search Deals

Highest demand for flights based on searches. 40% potential increase in price (£77 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 14% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2026

Search Deals

Price to beat on a one-way flight from Knock Intl to London Heathrow.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Knock to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

KnockLondon

NOC - LHR

NOCLHR

Knock Intl

Sat 18/7

13:05-14:30

Nonstop1h 25m

London Heathrow

Sun 26/7

11:05-12:35

Nonstop1h 30m

£91

KnockLondon

NOC - LHR

NOCLHR

Knock Intl

Fri 17/7

13:05-14:30

Nonstop1h 25m

London Heathrow

Sun 19/7

11:05-12:35

Nonstop1h 30m

£115

KnockLondon

NOC - LHR

NOCLHR

Knock Intl

Fri 24/7

13:05-14:30

Nonstop1h 25m

London Heathrow

Fri 31/7

11:05-12:35

Nonstop1h 30m

£126

KnockLondon

NOC - LHR

NOCLHR

Knock Intl

Sat 15/8

13:05-14:30

Nonstop1h 25m

London Heathrow

Mon 31/8

11:05-12:35

Nonstop1h 30m

£149

KnockLondon

NOC - LHR

NOCLHR

Knock Intl

Tue 8/9

08:50-18:20

2 stops9h 30m

London Heathrow

Wed 16/9

11:05-12:35

Nonstop1h 30m

£151

KnockLondon

NOC - LHR

NOCLHR

Knock Intl

Fri 17/7

13:05-14:30

Nonstop1h 25m

London Heathrow

Mon 20/7

20:50-17:15

2 stops20h 25m

£152

KnockLondon

NOC - LHR

NOCLHR

Knock Intl

Fri 7/8

13:05-14:30

Nonstop1h 25m

London Heathrow

Fri 14/8

11:05-12:35

Nonstop1h 30m

£154

KnockLondon

NOC - LHR

NOCLHR

Knock Intl

Tue 18/8

13:05-14:30

Nonstop1h 25m

London Heathrow

Tue 18/5

11:05-12:35

Nonstop1h 30m

£161

KnockLondon

NOC - LHR

NOCLHR

Knock Intl

Thu 20/8

13:05-14:30

Nonstop1h 25m

London Heathrow

Sun 23/8

11:05-12:35

Nonstop1h 30m

£169

KnockLondon

NOC - LHR

NOCLHR

Knock Intl

Fri 24/7

13:05-14:30

Nonstop1h 25m

London Heathrow

Fri 31/7

16:50-11:30

2 stops18h 40m

£174

Flights are sorted by cheapest return flights first.

Deals found on 26/6

Showing 1-10 of 20 resultsSorted by cheapest first

Best time to book a flight from Knock to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Knock with our price prediction graph.

NOC-LHR

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Knock to London Heathrow Airport

Prices

Airlines

Delays

What is the cheapest time of day to fly from NOC to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Knock to London Heathrow Airport as you normally would.

How much does it cost for a return flight from Knock to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get a feel of what it's like to fly with Aer Lingus from Knock to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aer Lingus

7.3

Good

1,628 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Lama,May 2026

DUB - ALC

Seats were super small, there was no food, and they lost my bag.

Aer Lingus

7.3

Good

1,628 reviews

Aer Lingus

7.3

Good

1,628 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Lama,May 2026

DUB - ALC

Seats were super small, there was no food, and they lost my bag.

Related info for your journey

What airport do you fly from for flights from Knock to London Heathrow?
Knock Intl (NOC) is the airport you will fly out of if you book a flight from Knock to London Heathrow. You should not have trouble finding flights to London Heathrow from Knock Intl; the airport handles an average of 3 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Knock airport to London Heathrow. It is only a 9.2 mi journey to Knock Intl (NOC) from Knock’s city center.
How long is the flight from Knock to London Heathrow Airport?
A quick flight from Knock to London Heathrow Airport can take about 1h 25m. Aer Lingus provides one of the quickest options available for as low as £91. The distance between Knock and London Heathrow Airport is about 388 mi. All flights are typically direct.
What is the cheapest airline to fly from Knock to London Heathrow Airport round-trip?
Cheapflights users have booked flights from Knock to London Heathrow Airport round-trip from £97. Users have found that Aer Lingus is 37% cheaper than the other options available to this destination.
What are the most reliable airlines from Knock to London Heathrow Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Knock to London Heathrow Airport on time: Qatar Airways (87%), Aer Lingus (87%), British Airways (87%).
What are the cheapest flights from Knock to London Heathrow Airport?
Looking for the cheapest flight from Knock to London Heathrow Airport? While on average our users pay £79, our data indicates the cheapest price to be £48. The most popular route (Knock Intl - London Heathrow), is priced around £91.
Can I find deals for flights from Knock to Heathrow that include hotel bookings?
Yes. In addition to deals on Knock to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Knock to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knock to Heathrow.
Can I find deals for business class flights from Knock to Heathrow?
Yes. Cheapflights offers flight deals from Knock to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Hounslow

Milton Keynes

Wembley

Luton

Gatwick

Croydon

Ilford

Slough

Hayes

Brentford

Colchester

Northampton

Kingston upon Thames

Swindon

Eastbourne

Watford

Poole

Southall

Romford

Ipswich

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to England

Flights by cabin class

Heathrow flight routes

Other flight options

Other flights from Knock

Popular flights

Top airline flying from Knock to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest£97	Average£162	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Fly with Cheapflights

How does Cheapflights help users find flights from Knock to Heathrow?

Cheapflights makes it easy to find Knock to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Knock to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Knock to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Knock to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Knock shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Knock to Heathrow become cheaper?

Yes! Start tracking prices for Knock to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Knock to London Heathrow Airport from £45

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Knock to Heathrow

Cheapest flights from Knock to HeathrowExplore the most affordable flight options available from Knock to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 June 2026.

Explore the most affordable flight options available from Knock to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 June 2026.

Best flights from Knock to HeathrowDiscover carefully curated flight deals from Knock to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 June 2026.

Discover carefully curated flight deals from Knock to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 June 2026.

Direct flights from Knock to HeathrowExplore direct flight options from Knock to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 June 2026.

Explore direct flight options from Knock to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 June 2026.

Last-minute flights from Knock to HeathrowDiscover last-minute flight deals from Knock to Heathrow. Data last updated 27 June 2026 and is based on user searches.

Discover last-minute flight deals from Knock to Heathrow. Data last updated 27 June 2026 and is based on user searches.

One-way flights from Knock to HeathrowSearch for one-way flight options from Knock to Heathrow. Find affordable one-way fares based on user searches. Data last updated 27 June 2026.

Search for one-way flight options from Knock to Heathrow. Find affordable one-way fares based on user searches. Data last updated 27 June 2026.

Find flight deals from Knock to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Knock to London Heathrow Airport that are best for you.

Best time to book a flight from Knock to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Knock with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Knock to London Heathrow Airport

What is the cheapest time of day to fly from NOC to LHR?

How much does it cost for a return flight from Knock to London Heathrow Airport?

Weekly flight availability from Knock to London Heathrow Airport

How often are flights from Knock to London delayed?

What is the most punctual flight time for Knock to London flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Knock to London flights?

Reviews of airlines servicing Heathrow

Get a feel of what it's like to fly with Aer Lingus from Knock to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Knock to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Knock to London Heathrow?

How long is the flight from Knock to London Heathrow Airport?

What is the cheapest airline to fly from Knock to London Heathrow Airport round-trip?

What are the most reliable airlines from Knock to London Heathrow Airport?

What are the cheapest flights from Knock to London Heathrow Airport?

Can I find deals for flights from Knock to Heathrow that include hotel bookings?

How can I find direct flights from Knock to Heathrow?

Can I find deals for business class flights from Knock to Heathrow?

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Knock to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Knock to Heathrow by cabin class

Find flights from Knock to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 27 June 2026.

Knock and Heathrow flights

Browse other Knock and Heathrow flight options. Last updated on 27 June 2026.

Other flights from Knock

Browse through other flights departing from Knock. Flights are based on user searches made on Cheapflights and were last updated on 27 June 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top airline flying from Knock to Heathrow

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Knock to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Knock to Heathrow?

Can Cheapflights find flights from Knock to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Knock to Heathrow become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Knock to Heathrow
Explore the most affordable flight options available from Knock to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 June 2026.

Best flights from Knock to Heathrow
Discover carefully curated flight deals from Knock to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 June 2026.

Direct flights from Knock to Heathrow
Explore direct flight options from Knock to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 June 2026.

Last-minute flights from Knock to Heathrow
Discover last-minute flight deals from Knock to Heathrow. Data last updated 27 June 2026 and is based on user searches.

One-way flights from Knock to Heathrow
Search for one-way flight options from Knock to Heathrow. Find affordable one-way fares based on user searches. Data last updated 27 June 2026.