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

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

How many flights depart from Shannon, Clare to London Heathrow Airport on average per week?

As of January 2026, 77 flights take off from Shannon, Clare and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

How many flights depart from Shannon, Clare to London Heathrow Airport on average per day?

As of January 2026, there are 11 flights per day flying from Shannon, Clare to London Heathrow Airport. The most common time of day flights depart is 7:00AM, with 43% of flights taking off at noon.

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

Generally, flights departing at night tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

How often are flights from Shannon to London delayed?

Historically, on average around 16% of flights between Shannon and London have experienced a delay on any given week. The average delay length over the past 12 months has been 95 minutes.

What is the cheapest airline that flies from Shannon to London Heathrow?

Aer Lingus is the most popular carrier operating from Shannon to London Heathrow

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

According to our data, Aer Lingus have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

When did momondo last update prices for flights from Shannon Airport to London Heathrow Airport?

Prices for flights from Shannon Airport to London Heathrow Airport are updated daily.

How many operators does momondo search for flights from Shannon Airport to London Heathrow Airport?

As of January 2026, there is 1 operator available to choose from for flights from Shannon Airport to London Heathrow Airport.

How old do you have to be to fly from Shannon Airport to London Heathrow Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Shannon Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The required travel and health documents for your London Heathrow 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 London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$54 Cheap Flights from Shannon, Clare to London Heathrow Airport in 2026

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Find the cheapest flights from Shannon, Clare to London

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 pm - 6:55 pm

SNN

LHR

1h 25mnonstop

10:00 am - 11:30 am

LHR

SNN

1h 30mnonstop

$126Aer Lingus

Tue, Feb 24 - Tue, Mar 3

8:05 pm - 9:25 pm

SNN

LHR

1h 20mnonstop

6:05 pm - 7:25 pm

LHR

SNN

1h 20mnonstop

$127Aer Lingus

Sun, Mar 1 - Tue, Mar 3

5:50 am - 4:35 pm

SNN

LHR

10h 45m

1 stop

6:05 pm - 7:25 pm

LHR

SNN

1h 20mnonstop

$172Multiple Airlines

Tue, Feb 24 - Tue, Mar 3

9:15 pm - 10:40 pm

SNN

LHR

1h 25mnonstop

7:10 pm - 8:35 pm

LHR

SNN

1h 25mnonstop

$193Aer Lingus

Fri, May 1 - Fri, May 8

8:05 pm - 9:25 pm

SNN

LHR

1h 20mnonstop

8:50 pm - 12:10 pm

LHR

SNN

15h 20m

2 stops

$204Multiple Airlines

Tue, Feb 24 - Tue, Mar 3

6:30 pm - 9:35 am

SNN

LHR

15h 05m

2 stops

6:05 pm - 7:25 pm

LHR

SNN

1h 20mnonstop

$213Multiple Airlines

Fri, Mar 13 - Fri, Mar 20

8:05 pm - 9:25 pm

SNN

LHR

1h 20mnonstop

10:05 pm - 1:35 pm

LHR

SNN

15h 30m

2 stops

$246Multiple Airlines

Sun, Mar 1 - Tue, Mar 3

7:30 am - 9:05 am

SNN

LHR

1h 35mnonstop

7:10 pm - 8:35 pm

LHR

SNN

1h 25mnonstop

$263Aer Lingus

Tue, Jun 30 - Wed, Jul 1

7:50 am - 9:15 am

SNN

LHR

1h 25mnonstop

2:15 pm - 3:45 pm

LHR

SNN

1h 30mnonstop

$277Aer Lingus

Sat, Mar 7 - Sat, Mar 7

7:50 am - 9:15 am

SNN

LHR

1h 25mnonstop

2:15 pm - 3:45 pm

LHR

SNN

1h 30mnonstop

$288Aer Lingus

Sat, Mar 7 - Sat, Mar 7

Aer Lingus flights from Shannon, Clare to London Heathrow Airport

Our best Aer Lingus deals on Shannon, Clare to London Heathrow Airport flight tickets

Aer Lingus

Feb 24

SNN5:30 pmShannon

1h 25m

LHR6:55 pmLondon Heathrow

Mar 3

LHR10:00 amLondon Heathrow

1h 30m

SNN11:30 amShannon

$126

Aer Lingus

Mar 1

SNN8:05 pmShannon

1h 20m

LHR9:25 pmLondon Heathrow

Mar 3

LHR6:05 pmLondon Heathrow

1h 20m

SNN7:25 pmShannon

$127

Aer Lingus

Jan 31

SNN5:25 pmShannon

1h 25m

LHR6:50 pmLondon Heathrow

Feb 1

LHR10:00 amLondon Heathrow

1h 30m

SNN11:30 amShannon

$191

British Airways flights from Shannon, Clare to London Heathrow Airport

Our best British Airways deals on Shannon, Clare to London Heathrow Airport flight tickets

British Airways

Feb 6

SNN8:05 pmShannon

1h 20m

LHR9:25 pmLondon Heathrow

Feb 9

LHR6:05 pmLondon Heathrow

1h 20m

SNN7:25 pmShannon

$295

British Airways

Feb 6

SNN5:30 pmShannon

1h 25m

LHR6:55 pmLondon Heathrow

Feb 9

LHR3:15 pmLondon Heathrow

1h 30m

SNN4:45 pmShannon

$297

British Airways

Jun 5

SNN4:50 pmShannon

1h 30m

LHR6:20 pmLondon Heathrow

Jun 7

LHR9:50 amLondon Heathrow

1h 30m

SNN11:20 amShannon

$298

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Tue 2/24

5:30 pm-6:55 pm

Nonstop1h 25m

London Heathrow

Tue 3/3

10:00 am-11:30 am

Nonstop1h 30m

$126

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Sun 3/1

8:05 pm-9:25 pm

Nonstop1h 20m

London Heathrow

Tue 3/3

6:05 pm-7:25 pm

Nonstop1h 20m

$127

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Tue 2/24

5:50 am-4:35 pm

1 stop10h 45m

London Heathrow

Tue 3/3

6:05 pm-7:25 pm

Nonstop1h 20m

$172

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Fri 5/1

9:15 pm-10:40 pm

Nonstop1h 25m

London Heathrow

Fri 5/8

7:10 pm-8:35 pm

Nonstop1h 25m

$193

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Tue 2/24

8:05 pm-9:25 pm

Nonstop1h 20m

London Heathrow

Tue 3/3

8:50 pm-12:10 pm

2 stops15h 20m

$204

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Fri 3/13

6:30 pm-9:35 am

2 stops15h 05m

London Heathrow

Fri 3/20

6:05 pm-7:25 pm

Nonstop1h 20m

$213

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Sun 3/1

8:05 pm-9:25 pm

Nonstop1h 20m

London Heathrow

Tue 3/3

10:05 pm-1:35 pm

2 stops15h 30m

$246

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Tue 6/30

7:30 am-9:05 am

Nonstop1h 35m

London Heathrow

Wed 7/1

7:10 pm-8:35 pm

Nonstop1h 25m

$263

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Sat 3/7

7:50 am-9:15 am

Nonstop1h 25m

London Heathrow

Sat 3/7

2:15 pm-3:45 pm

Nonstop1h 30m

$277

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Sat 3/7

7:50 am-9:15 am

Nonstop1h 25m

London Heathrow

Sat 3/7

2:15 pm-3:45 pm

Nonstop1h 30m

$288

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Shannon, Clare to London Heathrow Airport

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

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to London Heathrow Airport?

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Shannon, Clare, with most prices found around $108. If you’re not able to fly to London Heathrow Airport in February, then March is your next best option. Flight prices from Shannon, Clare to London Heathrow Airport during March average around $146.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Friday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $192. The most expensive day to fly to London Heathrow Airport is Wednesday, with ticket prices averaging around $843.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Shannon, Clare to London Heathrow Airport in the evening for as low as $164. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $725.

What is the cheapest Shannon to London Heathrow flight route?

Fly from Shannon to London Heathrow for the best Shannon - London Heathrow flight prices

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

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

How have Shannon, Clare to London Heathrow Airport flight prices changed over time?

As of January 2026, prices for Shannon, Clare to London Heathrow Airport flights are approximately 20% cheaper when compared to flights at the same time last year.

When to book flights from Shannon, Clare to London Heathrow Airport

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

Estimated round-trip price

Cheap Shannon, Clare to London Heathrow Airport (SNN to LHR) flight deals and tips

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

Best Price Found	$65
Fastest flight time	1h 25m
Direct flights	Mon, Tue, Wed, Fri, Sat and Sun

The best one-way flight to London Heathrow Airport from Shannon, Clare in the past 72 hours is $65. The best round-trip flight deal from Shannon, Clare to London Heathrow Airport found on momondo in the last 72 hours is $714.

The fastest flight from Shannon, Clare to London Heathrow Airport takes 1h 25m

Direct flights go from Shannon, Clare to London Heathrow Airport on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

Search flight deals

How far is Shannon to London Heathrow by plane?
The distance between Shannon and London Heathrow is about 366.5 mi. Typically, this will take 1h 25m by plane in normal conditions.
When did momondo last update prices for flights from Shannon Airport to London Heathrow Airport?
Prices for flights from Shannon Airport to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from Shannon Airport to London Heathrow Airport?
As of January 2026, there is 1 operator available to choose from for flights from Shannon Airport to London Heathrow Airport.
How old do you have to be to fly from Shannon Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Shannon Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow 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 London Heathrow 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 Shannon, Clare to London Heathrow Airport?
Based on momondo bookings for flights between Shannon, Clare and London Heathrow Airport, the leading plane model is Airbus A321neo, making up 38.99% of the total bookings. Other popular models include Airbus A321-100/200 with 21.66%, Airbus A320neo with 21.30%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 8.66%.
What is the most popular airline from Shannon, Clare to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Shannon, Clare to London Heathrow Airport is Aer Lingus (100% of total bookings).

Best airlines flying from Shannon, Clare to London Heathrow Airport

Compare and see reviews for airlines that fly from Shannon, Clare to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
Aer Lingus	PriceFrom $112	Free Cancellation	Rating 7.2 1,443 reviews		Search Aer Lingus flights

Aer Lingus Flights From Shannon, Clare to London Heathrow Airport
Aer Lingus flies from Shannon, Clare to London Heathrow Airport around 19 times per week, with 1,443 momondo users rating the airline 7.2/10. The cheapest Aer Lingus deal from Shannon, Clare to London Heathrow Airport in the last 72 hours was $112 (round-trip), much lower than the average airfare cost of $164 for Aer Lingus flights on this route.

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Guildford

Crawley

Wembley

Dartford

Hayes

Stratford-upon-Avon

Brentwood

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

Croydon

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momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Shannon to London. momondo saves you time and could save you money on your trip.

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

Flights from Shannon to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Shannon to London.

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

Price alerts on flights to London from Shannon 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.

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Cheap flights from Shannon, Clare to London from $64

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Shannon, Clare to London departing on 3/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Aer Lingus flights from Shannon, Clare to London Heathrow Airport

Our best Aer Lingus deals on Shannon, Clare to London Heathrow Airport flight tickets

British Airways flights from Shannon, Clare to London Heathrow Airport

Our best British Airways deals on Shannon, Clare to London Heathrow Airport flight tickets

momondo Fare Finder

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

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How to get the cheapest flight ticket from Shannon, Clare to London Heathrow Airport

What is the cheapest month to fly to London Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Friday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $192. The most expensive day to fly to London Heathrow Airport is Wednesday, with ticket prices averaging around $843.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

What is the cheapest Shannon to London Heathrow flight route?

Fly from Shannon to London Heathrow for the best Shannon - London Heathrow flight prices

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

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

How have Shannon, Clare to London Heathrow Airport flight prices changed over time?

As of January 2026, prices for Shannon, Clare to London Heathrow Airport flights are approximately 20% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Shannon to London Heathrow?

Aer Lingus is the most popular carrier operating from Shannon to London Heathrow

How often are flights from Shannon to London delayed?

Historically, on average around 16% of flights between Shannon and London have experienced a delay on any given week. The average delay length over the past 12 months has been 95 minutes.

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

Generally, flights departing at night tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

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

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Aer Lingus have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

How many flights depart from Shannon, Clare to London Heathrow Airport on average per day?

As of January 2026, there are 11 flights per day flying from Shannon, Clare to London Heathrow Airport. The most common time of day flights depart is 7:00AM, with 43% of flights taking off at noon.

How many flights depart from Shannon, Clare to London Heathrow Airport on average per week?

As of January 2026, 77 flights take off from Shannon, Clare and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

When to book flights from Shannon, Clare to London Heathrow Airport

Cheap Shannon, Clare to London Heathrow Airport (SNN to LHR) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

How far is Shannon to London Heathrow by plane?

When did momondo last update prices for flights from Shannon Airport to London Heathrow Airport?

How many operators does momondo search for flights from Shannon Airport to London Heathrow Airport?

How old do you have to be to fly from Shannon Airport to London Heathrow Airport?

What documentation or ID do you need to fly to London Heathrow Airport?

What is the most popular plane model from Shannon, Clare to London Heathrow Airport?

What is the most popular airline from Shannon, Clare to London Heathrow Airport?

Best airlines flying from Shannon, Clare to London Heathrow Airport

Compare and see reviews for airlines that fly from Shannon, Clare to London Heathrow Airport with momondo

Aer Lingus Flights From Shannon, Clare to London Heathrow Airport

Traveling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo