$64 Cheap Flights from Knock (NOC) to London (LHR)

View $64 flight on Tue, Sep 2, 2025Opens in a new window

Popular airlines from Knock (NOC-Ireland West) to Heathrow Airport (LHR)

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Cheap Flights from Knock to London (NOC-LHR)

Prices were available within the past 7 days and start at $64 for one-way flights and $130 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Thu, Sep 11 - Thu, Sep 18
NOC
Knock
LHR
London
$130 Roundtrip, found 1 day ago
$130
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Thu, Sep 11 from Knock to London, returning Thu, Sep 18, priced at $130 found 1 day ago
Aer Lingus
Sat, Sep 13 - Fri, Sep 19
NOC
Knock
LHR
London
$154 Roundtrip, found 1 day ago
$154
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Sat, Sep 13 from Knock to London, returning Fri, Sep 19, priced at $154 found 1 day ago
Aer Lingus
Sun, Sep 21 - Wed, Sep 24
NOC
Knock
LHR
London
$161 Roundtrip, found 5 days ago
$161
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Sun, Sep 21 from Knock to London, returning Wed, Sep 24, priced at $161 found 5 days ago
Aer Lingus
Fri, Nov 21 - Sun, Nov 23
NOC
Knock
LHR
London
$167 Roundtrip, found 6 hours ago
$167
Roundtrip
found 6 hours ago
Select Aer Lingus flight, departing Fri, Nov 21 from Knock to London, returning Sun, Nov 23, priced at $167 found 6 hours ago
Aer Lingus
Sat, Nov 22 - Sun, Nov 23
NOC
Knock
LHR
London
$170 Roundtrip, found 5 days ago
$170
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Sat, Nov 22 from Knock to London, returning Sun, Nov 23, priced at $170 found 5 days ago
Aer Lingus
Sun, Mar 22 - Mon, Mar 23
NOC
Knock
LHR
London
$184 Roundtrip, found 1 day ago
$184
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Sun, Mar 22 from Knock to London, returning Mon, Mar 23, priced at $184 found 1 day ago
Aer Lingus
Sat, Aug 23 - Sat, Aug 30
NOC
Knock
LHR
London
$198 Roundtrip, found 3 days ago
$198
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Sat, Aug 23 from Knock to London, returning Sat, Aug 30, priced at $198 found 3 days ago
British Airways
Sun, Sep 21 - Wed, Sep 24
NOC
Knock
LHR
London
$205 Roundtrip, found 5 days ago
$205
Roundtrip
found 5 days ago
Select British Airways flight, departing Sun, Sep 21 from Knock to London, returning Wed, Sep 24, priced at $205 found 5 days ago
Aer Lingus
Thu, Dec 18 - Fri, Jan 2
NOC
Knock
LHR
London
$216 Roundtrip, found 2 hours ago
$216
Roundtrip
found 2 hours ago
Select Aer Lingus flight, departing Thu, Dec 18 from Knock to London, returning Fri, Jan 2, priced at $216 found 2 hours ago
Aer Lingus
Sun, Sep 14 - Fri, Sep 19
NOC
Knock
LHR
London
$222 Roundtrip, found 1 day ago
$222
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Sun, Sep 14 from Knock to London, returning Fri, Sep 19, priced at $222 found 1 day ago
Flights from Knock (NOC) to London (LHR)
Origin airport
Ireland West
Destination airport
Heathrow
Airlines serving
Aer Lingus, British Airways
Roundtrip price
$130
Distance
388 mi
Average flight time
1 hour 25 mins

Knock to London Flights

The cheapest times to fly from Knock to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Knock to London are during the month of September. You can find some of the cheapest flights from Knock to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Knock to London

Sunday is one of the best days to book for cheap flights from Knock to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Knock to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Knock to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $64 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Knock to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Knock to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Ireland West Airport (NOC) to Heathrow Airport (LHR) cost?
Book cheap return flights starting at $129 from Ireland West Airport (NOC) to Heathrow Airport (LHR). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Aer Lingus flight leaving NOC on August 2 2025 and touching down at LHR. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from NOC to LHR?
The cheapest flights from NOC to LHR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Ireland West Airport (NOC) to Heathrow Airport (LHR)?
Take a nonstop flight with Aer Lingus and fly straight from Ireland West Airport (NOC) to Heathrow Airport (LHR).
What is the cheapest airline that flies from NOC to LHR?
With fares starting at $64 for a one-way journey from NOC to LHR, Aer Lingus is currently the cheapest airline operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from NOC on September 19 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Ireland West Airport (NOC) to Heathrow Airport (LHR)?
On average, there's only 1 nonstop flight operating from Ireland West Airport (NOC) to Heathrow Airport (LHR) each day. If this doesn't work for you, consider flights with a layover. Just customize your search on Expedia to include one or two stops to discover a better alternative.
What are the most popular departure times for flights from Ireland West Airport (NOC) to Heathrow Airport (LHR)?
More people fly between NOC and LHR at 1 PM than at any other time of day. Rather skip the crowds? Travel outside of rush hours and you're likely to save on your ticket as well.
What day of the week has the most flights from NOC to LHR?
Jet off on a Friday if you're searching for the best selection of flights from Ireland West Airport (NOC) to Heathrow Airport (LHR).
What is the earliest flight from Ireland West Airport (NOC) to Heathrow Airport (LHR)?
Take the earliest flight at around 1:00PM UTC+0, leaving from Ireland West Airport (NOC). You'll be in the air for around 1h 30m, reaching Heathrow Airport (LHR) at approximately 2:30PM UTC+0.
How long does it take to fly from Ireland West Airport (NOC) to Heathrow Airport (LHR)?
It takes approximately 1 hour and 30 minutes to fly the 390 mi from NOC to LHR.
What is the best time to fly from Ireland West Airport (NOC) to Heathrow Airport (LHR)?
To reach Heathrow Airport (LHR) without delays, select a flight that leaves from Ireland West Airport (NOC) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for London from Ireland West Airport (NOC)?
Catch a direct flight from Ireland West Airport (NOC) to London and you'll land at any one of these airports:

  • Heathrow Airport (LHR)
  • Stansted Airport (STN)
  • Luton Airport (LTN)

Is it cheaper to buy a plane ticket from Ireland West Airport (NOC) to Heathrow Airport (LHR) last-minute?
Booking your ticket from NOC to LHR right before your journey is typically more expensive. But if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a NOC to LHR flight and hotel package?
Opting for a NOC to LHR flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our impressive range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ireland West Airport (NOC) to Heathrow Airport (LHR)?
Typically, you can modify or cancel your NOC to LHR flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need further information, visit our Customer Service portal.

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Knock to Luton
$59.56
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