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

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

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

Prices for flights from London Heathrow Airport to Shannon Airport are refreshed on a daily basis.

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

The number of operators available for flights from London Heathrow Airport to Shannon Airport is 1 as of December 2025.

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

What documentation or ID do you need to fly to Shannon Airport?

The necessary travel and health documents for your Shannon Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$63 Cheap Flights from London Heathrow Airport to Shannon, Clare in 2025/26

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

As of December 2025, 11 flights take off from London Heathrow Airport and land in Shannon, Clare each day. The most common flight departure time for this route is 10:00AM, with 40% of daily flights taking off at noon.

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

83 flights are operational weekly from London Heathrow Airport to Shannon, Clare as of December 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

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Find the cheapest flights from London Heathrow Airport to Shannon

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:00 am - 11:30 am

LHR

SNN

1h 30mnonstop

7:50 am - 9:15 am

SNN

LHR

1h 25mnonstop

$125Aer Lingus

Wed, Jan 7 - Wed, Jan 14

2:15 pm - 3:45 pm

LHR

SNN

1h 30mnonstop

5:25 pm - 6:50 pm

SNN

LHR

1h 25mnonstop

$134Aer Lingus

Sat, Jan 24 - Sat, Jan 31

9:50 am - 11:20 am

LHR

SNN

1h 30mnonstop

9:15 pm - 10:40 pm

SNN

LHR

1h 25mnonstop

$166Aer Lingus

Tue, May 19 - Tue, May 19

2:15 pm - 3:45 pm

LHR

SNN

1h 30mnonstop

8:05 pm - 9:25 pm

SNN

LHR

1h 20mnonstop

$169Aer Lingus

Sat, Mar 7 - Thu, Mar 12

3:15 pm - 4:45 pm

LHR

SNN

1h 30mnonstop

8:05 pm - 9:25 pm

SNN

LHR

1h 20mnonstop

$180Aer Lingus

Mon, Feb 16 - Thu, Feb 19

10:00 am - 11:30 am

LHR

SNN

1h 30mnonstop

5:25 pm - 6:50 pm

SNN

LHR

1h 25mnonstop

$200Aer Lingus

Wed, Feb 18 - Sat, Feb 21

10:00 am - 11:30 am

LHR

SNN

1h 30mnonstop

5:30 pm - 6:55 pm

SNN

LHR

1h 25mnonstop

$253Aer Lingus

Mon, Jan 19 - Thu, Jan 22

6:05 pm - 7:25 pm

LHR

SNN

1h 20mnonstop

7:50 am - 9:15 am

SNN

LHR

1h 25mnonstop

$292British Airways

Fri, Jan 16 - Sun, Jan 18

10:15 pm - 6:00 pm

LHR

SNN

19h 45m3 stops

7:50 am - 9:15 am

SNN

LHR

1h 25mnonstop

$323Multiple Airlines

Wed, Jan 7 - Wed, Jan 14

6:05 pm - 7:25 pm

LHR

SNN

1h 20mnonstop

8:05 pm - 9:25 pm

SNN

LHR

1h 20mnonstop

$337British Airways

Mon, Dec 29 - Fri, Jan 2

British Airways flights from London Heathrow Airport to Shannon, Clare

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

British Airways

Jan 16

LHR6:05 pmLondon Heathrow

1h 20m

SNN7:25 pmShannon

Jan 18

SNN7:50 amShannon

1h 25m

LHR9:15 amLondon Heathrow

$292

Find similar

British Airways

Jun 4

LHR7:10 pmLondon Heathrow

1h 25m

SNN8:35 pmShannon

Jun 7

SNN9:15 pmShannon

1h 25m

LHR10:40 pmLondon Heathrow

$294

Find similar

British Airways

Dec 12

LHR6:05 pmLondon Heathrow

1h 20m

SNN7:25 pmShannon

Dec 16

SNN8:05 pmShannon

1h 20m

LHR9:25 pmLondon Heathrow

$313

Find similar

Aer Lingus flights from London Heathrow Airport to Shannon, Clare

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

Aer Lingus

Jan 11

LHR3:15 pmLondon Heathrow

1h 30m

SNN4:45 pmShannon

Jan 21

SNN7:50 amShannon

1h 25m

LHR9:15 amLondon Heathrow

$124

Find similar

Aer Lingus

Jan 7

LHR10:00 amLondon Heathrow

1h 30m

SNN11:30 amShannon

Jan 14

SNN7:50 amShannon

1h 25m

LHR9:15 amLondon Heathrow

$125

Find similar

Aer Lingus

Jan 24

LHR2:15 pmLondon Heathrow

1h 30m

SNN3:45 pmShannon

Jan 31

SNN5:25 pmShannon

1h 25m

LHR6:50 pmLondon Heathrow

$134

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Wed 1/7

10:00 am-11:30 am

Nonstop1h 30m

Shannon

Wed 1/14

7:50 am-9:15 am

Nonstop1h 25m

$125

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sat 1/24

2:15 pm-3:45 pm

Nonstop1h 30m

Shannon

Sat 1/31

5:25 pm-6:50 pm

Nonstop1h 25m

$134

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 5/19

9:50 am-11:20 am

Nonstop1h 30m

Shannon

Tue 5/19

9:15 pm-10:40 pm

Nonstop1h 25m

$166

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sat 3/7

2:15 pm-3:45 pm

Nonstop1h 30m

Shannon

Thu 3/12

8:05 pm-9:25 pm

Nonstop1h 20m

$169

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Mon 2/16

3:15 pm-4:45 pm

Nonstop1h 30m

Shannon

Thu 2/19

8:05 pm-9:25 pm

Nonstop1h 20m

$180

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Wed 2/18

10:00 am-11:30 am

Nonstop1h 30m

Shannon

Sat 2/21

5:25 pm-6:50 pm

Nonstop1h 25m

$200

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Mon 1/19

10:00 am-11:30 am

Nonstop1h 30m

Shannon

Thu 1/22

5:30 pm-6:55 pm

Nonstop1h 25m

$253

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Fri 1/16

6:05 pm-7:25 pm

Nonstop1h 20m

Shannon

Sun 1/18

7:50 am-9:15 am

Nonstop1h 25m

$292

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Wed 1/7

10:15 pm-6:00 pm

3 stops19h 45m

Shannon

Wed 1/14

7:50 am-9:15 am

Nonstop1h 25m

$323

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Mon 12/29

6:05 pm-7:25 pm

Nonstop1h 20m

Shannon

Fri 1/2

8:05 pm-9:25 pm

Nonstop1h 20m

$337

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 London Heathrow Airport to Shannon, Clare

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

Other information

What is the cheapest month to fly to Shannon, Clare?

In general, January is the cheapest month to fly from London Heathrow Airport to Shannon, Clare. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $104. If you are unable to visit Shannon, Clare during the month of January, then departing from London Heathrow Airport during the month March is also very affordable. Most momondo users find prices during this month for around $144.

What is the cheapest day to depart on your flight to Shannon, Clare?

The cheapest day to depart from London Heathrow Airport to Shannon, Clare is on a Friday when prices can be found for as low as $195. The most expensive day to fly to Shannon, Clare is Wednesday, with ticket prices averaging around $304.

What is the cheapest time of day to depart on your flight to Shannon, Clare?

Our data shows that the cheapest London Heathrow Airport to Shannon, Clare flights are usually those with departure times in the afternoon. Our users have found flights to Shannon, Clare in the afternoon for as low as $140. Flights in the morning are often more expensive with an average ticket price of $308.

What is the cheapest London Heathrow to Shannon flight route?

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

How far in advance should I book a flight to Shannon, Clare?

You are more likely to see cheaper flights to Shannon, Clare from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Shannon, Clare for around $174 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Shannon, Clare from London Heathrow Airport for as low as $144 on momondo.

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

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

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

As of December 2025, prices for London Heathrow Airport to Shannon, Clare flights are approximately 26% more expensive when compared to flights at the same time last year.

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

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

Estimated round-trip price

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

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

Best Price Found	$438
Fastest flight time	18h 25m
Direct flights	Every day
Airports in Shannon, Clare	1 airport

The best one-way flight to Shannon, Clare from London Heathrow Airport in the past 72 hours is $438. The best round-trip flight deal from London Heathrow Airport to Shannon, Clare found on momondo in the last 72 hours is $202.

The fastest flight from London Heathrow Airport to Shannon, Clare takes 18h 25m

Direct flights go from London Heathrow Airport to Shannon, Clare every day.

There is 1 airport in Shannon, Clare. From London Heathrow Airport there are direct flights to Shannon (SNN).

Search flight deals

How far is London Heathrow to Shannon by plane?
The straight-line distance from London Heathrow to Shannon is 366.5 mi. Typically, this will take 18h 25m by plane in normal conditions.
When did momondo last update prices for flights from London Heathrow Airport to Shannon Airport?
Prices for flights from London Heathrow Airport to Shannon Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London Heathrow Airport to Shannon Airport?
The number of operators available for flights from London Heathrow Airport to Shannon Airport is 1 as of December 2025.
How old do you have to be to fly from London Heathrow Airport to Shannon 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 Shannon Airport.
What documentation or ID do you need to fly to Shannon Airport?
The necessary travel and health documents for your Shannon Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to Shannon, Clare?
Based on momondo bookings for flights between London Heathrow Airport and Shannon, Clare, the leading plane model is Boeing 787-9 Dreamliner, making up 12.72% of the total bookings. Other popular models include Airbus A350-1000 with 10.31%, Boeing 777-200/200ER with 9.84%, and Boeing 777 with 9.49%.
What is the most popular airline from London Heathrow Airport to Shannon, Clare?
Based on momondo bookings for flights between London Heathrow Airport and Shannon, Clare, the leading airline is Aer Lingus, making up 100% of the total bookings.

Best airlines flying from London Heathrow Airport to Shannon, Clare

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

Airline	Rating	Free Cancellation	Price
Aer Lingus	PriceFrom $134	Free Cancellation	Rating 7.2 1,394 reviews		Search Aer Lingus flights

Aer Lingus Flights From London Heathrow Airport to Shannon, Clare
Aer Lingus operates around 19 flights from London Heathrow Airport to Shannon, Clare every week. The average price of these flights found in the last 72 hours has been $196, but momondo users have found Aer Lingus deals from London Heathrow Airport to Shannon, Clare from as low as $134 round-trip. Aer Lingus has been scored 7.2/10 in 1,392 reviews.

Limerick

Adare

Bunratty

Ennis

Nenagh

Lahinch

Why use momondo?

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

Finding the right flight to Shannon from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Shannon quick and easy, saving you time and money.

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

Flights from London to Shannon 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 London to Shannon?

momondo helps you find the best flight between London and Shannon 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 Shannon right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Shannon from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Shannon, Clare trip

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Cheap flights from London Heathrow Airport to Shannon from $63

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 Shannon departing on 1/8. 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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British Airways flights from London Heathrow Airport to Shannon, Clare

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

Aer Lingus flights from London Heathrow Airport to Shannon, Clare

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

momondo Fare Finder

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

See travel insights to Shannon from

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

What is the cheapest month to fly to Shannon, Clare?

What is the cheapest day to depart on your flight to Shannon, Clare?

The cheapest day to depart from London Heathrow Airport to Shannon, Clare is on a Friday when prices can be found for as low as $195. The most expensive day to fly to Shannon, Clare is Wednesday, with ticket prices averaging around $304.

What is the cheapest time of day to depart on your flight to Shannon, Clare?

What is the cheapest London Heathrow to Shannon flight route?

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

How far in advance should I book a flight to Shannon, Clare?

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

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

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

As of December 2025, prices for London Heathrow Airport to Shannon, Clare flights are approximately 26% more expensive when compared to flights at the same time last year.

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

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

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

As of December 2025, 11 flights take off from London Heathrow Airport and land in Shannon, Clare each day. The most common flight departure time for this route is 10:00AM, with 40% of daily flights taking off at noon.

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

83 flights are operational weekly from London Heathrow Airport to Shannon, Clare as of December 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

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

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Shannon, Clare

How far is London Heathrow to Shannon by plane?

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

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

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

What documentation or ID do you need to fly to Shannon Airport?

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

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

Best airlines flying from London Heathrow Airport to Shannon, Clare

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

Aer Lingus Flights From London Heathrow Airport to Shannon, Clare

Traveling to a place near Shannon?

Why use momondo?

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

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

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

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

An easier way to manage your Shannon, Clare 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 Ireland

Airports servicing Ireland