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Cheap flights from London to Knock from €17

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 to Knock departing on 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from London to Knock

Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
14:50 - 16:20
STN
-
NOC
1h 30mdirect
Ryanair Logo
08:55 - 10:20
NOC
-
STN
1h 25mdirect
€37Ryanair
Thu, 23 Apr - Sun, 26 Apr
Ryanair Logo
09:20 - 10:50
STN
-
NOC
1h 30mdirect
Ryanair Logo
09:25 - 10:50
NOC
-
STN
1h 25mdirect
€38Ryanair
Tue, 21 Apr - Wed, 29 Apr
Ryanair Logo
09:00 - 10:30
LTN
-
NOC
1h 30mdirect
Ryanair Logo
10:55 - 12:10
NOC
-
LTN
1h 15mdirect
€39Ryanair
Fri, 8 May - Mon, 11 May
Ryanair Logo
12:25 - 13:55
LTN
-
NOC
1h 30mdirect
Ryanair Logo
10:55 - 12:10
NOC
-
LTN
1h 15mdirect
€40Ryanair
Thu, 11 Jun - Mon, 15 Jun
Ryanair Logo
09:20 - 10:50
STN
-
NOC
1h 30mdirect
Ryanair Logo
17:55 - 19:20
NOC
-
STN
1h 25mdirect
€40Ryanair
Tue, 21 Apr - Fri, 24 Apr
Ryanair Logo
07:15 - 08:45
LTN
-
NOC
1h 30mdirect
Ryanair Logo
18:55 - 20:10
NOC
-
LTN
1h 15mdirect
€42Ryanair
Tue, 30 Jun - Fri, 3 Jul
Multiple Airlines Logo
07:40 - 17:05
LGW
-
NOC
9h 25m
1 stop
Multiple Airlines Logo
16:25 - 22:40
NOC
-
LGW
6h 15m
1 stop
€95Multiple Airlines
Tue, 21 Apr - Wed, 29 Apr
Aer Lingus Logo
11:05 - 12:35
LHR
-
NOC
1h 30mdirect
Aer Lingus Logo
13:05 - 14:30
NOC
-
LHR
1h 25mdirect
€104Aer Lingus
Tue, 21 Apr - Tue, 12 May
Aer Lingus Logo
11:05 - 12:35
LHR
-
NOC
1h 30mdirect
Aer Lingus Logo
13:05 - 14:30
NOC
-
LHR
1h 25mdirect
€105Aer Lingus
Tue, 21 Apr - Wed, 29 Apr
Aer Lingus Logo
11:05 - 12:35
LHR
-
NOC
1h 30mdirect
Aer Lingus Logo
13:05 - 14:30
NOC
-
LHR
1h 25mdirect
€111Aer Lingus
Tue, 5 May - Tue, 12 May

Ryanair flights from London to Knock

Our best Ryanair deals on London to Knock flight tickets
Ryanair
11 Apr
LTN07:00London Luton
1h 30m
NOC08:30Knock Intl
18 Apr
NOC16:05Knock Intl
1h 15m
LTN17:20London Luton
€36
Ryanair
17 Apr
STN07:40London Stansted
1h 30m
NOC09:10Knock Intl
19 Apr
NOC08:55Knock Intl
1h 25m
STN10:20London Stansted
€37
Ryanair
21 Apr
STN09:20London Stansted
1h 30m
NOC10:50Knock Intl
29 Apr
NOC09:25Knock Intl
1h 25m
STN10:50London Stansted
€38

Aer Lingus flights from London to Knock

Our best Aer Lingus deals on London to Knock flight tickets
Aer Lingus
21 Apr
LHR11:05London Heathrow
1h 30m
NOC12:35Knock Intl
12 May
NOC13:05Knock Intl
1h 25m
LHR14:30London Heathrow
€104
Aer Lingus
21 Apr
LHR11:05London Heathrow
1h 30m
NOC12:35Knock Intl
29 Apr
NOC13:05Knock Intl
1h 25m
LHR14:30London Heathrow
€105
Aer Lingus
5 May
LHR11:05London Heathrow
1h 30m
NOC12:35Knock Intl
12 May
NOC13:05Knock Intl
1h 25m
LHR14:30London Heathrow
€111

momondo Fare Finder

 
Customise your flight search to find flights from London 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 13,528 searches. Data last updated 9 April 2026.
Use the filters below to find and compare flights from London to Knock that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKnock

STN - NOC

STNNOC

London Stansted

Thu 23/4

14:50-16:20

Nonstop1h 30m

Knock Intl

Sun 26/4

08:55-10:20

Nonstop1h 25m

€37

LondonKnock

STN - NOC

STNNOC

London Stansted

Tue 21/4

09:20-10:50

Nonstop1h 30m

Knock Intl

Wed 29/4

09:25-10:50

Nonstop1h 25m

€38
Fastest return journey

LondonKnock

LTN - NOC

LTNNOC

London Luton

Fri 8/5

09:00-10:30

Nonstop1h 30m

Knock Intl

Mon 11/5

10:55-12:10

Nonstop1h 15m

€39

LondonKnock

LTN - NOC

LTNNOC

London Luton

Thu 11/6

12:25-13:55

Nonstop1h 30m

Knock Intl

Mon 15/6

10:55-12:10

Nonstop1h 15m

€40

LondonKnock

STN - NOC

STNNOC

London Stansted

Tue 21/4

09:20-10:50

Nonstop1h 30m

Knock Intl

Fri 24/4

17:55-19:20

Nonstop1h 25m

€40

LondonKnock

LTN - NOC

LTNNOC

London Luton

Tue 30/6

07:15-08:45

Nonstop1h 30m

Knock Intl

Fri 3/7

18:55-20:10

Nonstop1h 15m

€42

LondonKnock

LGW - NOC

LGWNOC

London Gatwick

Tue 21/4

07:40-17:05

1 stop9h 25m

Knock Intl

Wed 29/4

16:25-22:40

1 stop6h 15m

€95

LondonKnock

LHR - NOC

LHRNOC

London Heathrow

Tue 21/4

11:05-12:35

Nonstop1h 30m

Knock Intl

Tue 12/5

13:05-14:30

Nonstop1h 25m

€104

LondonKnock

LHR - NOC

LHRNOC

London Heathrow

Tue 21/4

11:05-12:35

Nonstop1h 30m

Knock Intl

Wed 29/4

13:05-14:30

Nonstop1h 25m

€105

LondonKnock

LHR - NOC

LHRNOC

London Heathrow

Tue 5/5

11:05-12:35

Nonstop1h 30m

Knock Intl

Tue 12/5

13:05-14:30

Nonstop1h 25m

€111

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Knock from

How to get the cheapest flight ticket from London 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 typical price of a round-trip flight between London and Knock?

What is the cheapest month to fly to Knock?

If you don’t want to visit Knock in January, then you should wait until November to fly from London, when ticket prices are also cheap, with an average price of €62.

What is the cheapest London to Knock Intl flight route?

Fly from London Luton to Knock Intl for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Knock for around €158 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 for as low as €114 on momondo.

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

There is only 1 cabin class available to choose from on London to Knock Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London to Knock flight prices changed over time?

As of April 2026, prices for London to Knock flights are approximately 25% more expensive when compared to flights at the same time last year.

When to book flights from London to Knock

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

Cheap London to Knock (LON to NOC) flight deals and tips

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

Fastest flight time

1h 30m

Direct flights

Every day

Airports in Knock

1 airport
The fastest flight from London to Knock takes 1h 30m
Direct flights go from London to Knock every day.
There is 1 airport in Knock. From London there are direct flights to Knock Intl (NOC).
Search flight deals

Frequently asked questions about flying from London to Knock

  • How far is London to Knock Intl by plane?

    The distance between London and Knock Intl is about 644.8 km. In terms of flight time, this usually takes a little over 1h 30m.

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

    Prices for flights from London to Knock Intl Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London to Knock Intl Airport.

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

    The travel and health documents you'll need for your trip to Knock Intl 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 licence and a passport that is valid for six months after your intended arrival at Knock Intl 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 London to Knock?

Travelling to a place near Knock?

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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Knock . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for London to Knock flights to just show those with flexible booking policies.

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

Once you have performed a search for London to Knock flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Knock from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Knock trip

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