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Cheap flights from London Heathrow Airport to Knock from £58

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Knock departing on 10/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London Heathrow Airport to Knock

Cheap return flights

Aer Lingus Logo
11:05 - 12:35LHR-NOC
1h 30mdirect
Aer Lingus Logo
13:05 - 14:30NOC-LHR
1h 25mdirect
£73Aer Lingus
Find Deal
Sun, 19 Oct - Thu, 23 Oct
Aer Lingus Logo
11:05 - 12:35LHR-NOC
1h 30mdirect
Aer Lingus Logo
13:05 - 14:30NOC-LHR
1h 25mdirect
£78Aer Lingus
Find Deal
Mon, 13 Oct - Mon, 20 Oct
Aer Lingus Logo
11:05 - 12:35LHR-NOC
1h 30mdirect
Aer Lingus Logo
13:05 - 14:30NOC-LHR
1h 25mdirect
£79Aer Lingus
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Aer Lingus Logo
11:05 - 12:35LHR-NOC
1h 30mdirect
Aer Lingus Logo
13:05 - 14:30NOC-LHR
1h 25mdirect
£82Aer Lingus
Find Deal
Wed, 8 Oct - Thu, 9 Oct
Aer Lingus Logo
11:05 - 12:35LHR-NOC
1h 30mdirect
Aer Lingus Logo
13:05 - 14:30NOC-LHR
1h 25mdirect
£84Aer Lingus
Find Deal
Mon, 13 Oct - Fri, 17 Oct
Aer Lingus Logo
11:05 - 12:35LHR-NOC
1h 30mdirect
Aer Lingus Logo
13:00 - 14:30NOC-LHR
1h 30mdirect
£87Aer Lingus
Find Deal
Thu, 23 Oct - Tue, 28 Oct
Aer Lingus Logo
11:05 - 12:35LHR-NOC
1h 30mdirect
Aer Lingus Logo
13:00 - 14:30NOC-LHR
1h 30mdirect
£88Aer Lingus
Find Deal
Thu, 23 Oct - Tue, 28 Oct
Logo
21:10 - 10:45LHR-NOC
13h 35m2 stops
Logo
13:05 - 14:30NOC-LHR
1h 25mdirect
£147
Find Deal
Mon, 13 Oct - Mon, 20 Oct
British Airways Logo
10:55 - 12:25LHR-NOC
1h 30mdirect
British Airways Logo
13:00 - 14:30NOC-LHR
1h 30mdirect
£221British Airways
Find Deal
Mon, 2 Mar - Tue, 3 Mar
British Airways Logo
10:55 - 12:25LHR-NOC
1h 30mdirect
British Airways Logo
13:00 - 14:30NOC-LHR
1h 30mdirect
£222British Airways
Find Deal
Mon, 2 Mar - Tue, 3 Mar

Aer Lingus flights from London Heathrow Airport to Knock

Our best Aer Lingus deals on London Heathrow Airport to Knock flight tickets
Aer Lingus
19 Oct
LHR11:05London Heathrow
1h 30m
NOC12:35Knock Intl
23 Oct
NOC13:05Knock Intl
1h 25m
LHR14:30London Heathrow
£73
Find similar
Aer Lingus
13 Oct
LHR11:05London Heathrow
1h 30m
NOC12:35Knock Intl
20 Oct
NOC13:05Knock Intl
1h 25m
LHR14:30London Heathrow
£78
Find similar
Aer Lingus
15 Oct
LHR11:05London Heathrow
1h 30m
NOC12:35Knock Intl
22 Oct
NOC13:05Knock Intl
1h 25m
LHR14:30London Heathrow
£79
Find similar

British Airways flights from London Heathrow Airport to Knock

Our best British Airways deals on London Heathrow Airport to Knock flight tickets
British Airways
2 Mar
LHR10:55London Heathrow
1h 30m
NOC12:25Knock Intl
3 Mar
NOC13:00Knock Intl
1h 30m
LHR14:30London Heathrow
£221
Find similar
British Airways
2 Mar
LHR10:55London Heathrow
1h 30m
NOC12:25Knock Intl
3 Mar
NOC13:00Knock Intl
1h 30m
LHR14:30London Heathrow
£222
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Knock that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Knock that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonKnock

LHR - NOC

LHRNOC

London Heathrow

Sun 19/10

11:05-12:35

Nonstop1h 30m

Knock Intl

Thu 23/10

13:05-14:30

Nonstop1h 25m

£73

LondonKnock

LHR - NOC

LHRNOC

London Heathrow

Mon 13/10

11:05-12:35

Nonstop1h 30m

Knock Intl

Mon 20/10

13:05-14:30

Nonstop1h 25m

£78

LondonKnock

LHR - NOC

LHRNOC

London Heathrow

Wed 15/10

11:05-12:35

Nonstop1h 30m

Knock Intl

Wed 22/10

13:05-14:30

Nonstop1h 25m

£79

LondonKnock

LHR - NOC

LHRNOC

London Heathrow

Wed 8/10

11:05-12:35

Nonstop1h 30m

Knock Intl

Thu 9/10

13:05-14:30

Nonstop1h 25m

£82

LondonKnock

LHR - NOC

LHRNOC

London Heathrow

Mon 13/10

11:05-12:35

Nonstop1h 30m

Knock Intl

Fri 17/10

13:05-14:30

Nonstop1h 25m

£84

LondonKnock

LHR - NOC

LHRNOC

London Heathrow

Thu 23/10

11:05-12:35

Nonstop1h 30m

Knock Intl

Tue 28/10

13:00-14:30

Nonstop1h 30m

£87

LondonKnock

LHR - NOC

LHRNOC

London Heathrow

Thu 23/10

11:05-12:35

Nonstop1h 30m

Knock Intl

Tue 28/10

13:00-14:30

Nonstop1h 30m

£88

LondonKnock

LHR - NOC

LHRNOC

London Heathrow

Mon 13/10

21:10-10:45

2 stops13h 35m

Knock Intl

Mon 20/10

13:05-14:30

Nonstop1h 25m

£147

LondonKnock

LHR - NOC

LHRNOC

London Heathrow

Mon 2/3

10:55-12:25

Nonstop1h 30m

Knock Intl

Tue 3/3

13:00-14:30

Nonstop1h 30m

£221

LondonKnock

LHR - NOC

LHRNOC

London Heathrow

Mon 2/3

10:55-12:25

Nonstop1h 30m

Knock Intl

Tue 3/3

13:00-14:30

Nonstop1h 30m

£222

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Knock from

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

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 Knock?

In general, February is the cheapest month to fly from London Heathrow Airport to Knock. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £91. The month of January is another great option to travel to Knock, with average flight prices from London Heathrow Airport averaging around £95.

What is the cheapest day to depart on your flight to Knock?

Our data shows that Tuesday is the least expensive day to fly to Knock. Tickets to fly out on this day can be as low as £68. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Knock for around £97.

What is the cheapest time of day to depart on your flight to Knock?

Flying to Knock from London Heathrow Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £66 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to Knock, so prices are often more expensive at around £90 per ticket.

What is the cheapest London Heathrow to Knock Intl flight route?

Fly from London Heathrow to Knock Intl for the best London Heathrow - Knock Intl flight prices

How far in advance should I book a flight to Knock?

You are more likely to see cheaper flights to Knock from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Knock for around £133 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knock from London Heathrow Airport for as low as £99 on momondo.

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

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

When to book flights from London Heathrow Airport to Knock

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Knock according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Knock (LHR to NOC) flight deals and tips

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

Best price found

£69

Fastest flight time

1h 30m

Direct flights

Every day

Airports in Knock

1 airport
The best one-way flight to Knock from London Heathrow Airport in the past 72 hours is £69. The best return flight deal from London Heathrow Airport to Knock found on momondo in the last 72 hours is £99.
The fastest flight from London Heathrow Airport to Knock takes 1h 30m
Direct flights go from London Heathrow Airport to Knock every day.
There is 1 airport near Knock: Knock Intl (NOC)
Search flight deals

  • How far is London Heathrow to Knock Intl by plane?

    There are 388.9 mi between London Heathrow and Knock Intl. In terms of flight time, this usually takes a little over 1h 30m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Knock Intl Airport.

  • What documentation or ID do you need to fly to Knock Intl Airport?

    The required travel and health documents for your Knock Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Knock Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

  • What is the most popular airline from London Heathrow Airport to Knock?

Best airlines flying from London Heathrow Airport to Knock

Compare and see reviews for airlines that fly from London Heathrow Airport to Knock with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom £78Free CancellationRating
7.2
1,270 reviews
Search Aer Lingus flights
British AirwaysPriceFrom £96Free CancellationRating
6.6
7,361 reviews
Search British Airways flights

  • Aer Lingus Flights From London Heathrow Airport to Knock

    Aer Lingus flies from London Heathrow Airport to Knock around 7 times per week, with 1,270 momondo users rating the airline 7.2/10. The cheapest Aer Lingus deal from London Heathrow Airport to Knock in the last 72 hours was £106 (round-trip), much lower than the average airfare cost of £190 for Aer Lingus flights on this route.

  • British Airways Flights From London Heathrow Airport to Knock

    £130 is the best British Airways flight deal from London Heathrow Airport to Knock found on momondo over the last 72 hours. The average British Airways ticket price found was closer to £197, however, with flight time and availability significantly affecting the price. British Airways (6.6/10 from 7,361 user reviews) flies into Knock from London Heathrow Airport 7 times in an average week so prices can vary.

Travelling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Sligo
Westport
Carrick-on-Shannon
Belmullet
Newport

Why use momondo?

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

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 Knock from London.

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

Yes. All flights to Knock from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

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

If you are simply researching potential flights to Knock, momondo offers a useful price alert feature which will track prices for flights to Knock from London and alert you when they change.

An easier way to manage your Knock trip

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