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Cheap flights from London Heathrow Airport to Shannon from €54

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London Heathrow Airport to Shannon

Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
18:05 - 19:25LHR  London Heathrow-SNN Shannon
1h 20mdirect
Aer Lingus Logo
17:30 - 18:55SNN  Shannon-LHR London Heathrow
1h 25mdirect
€98Aer Lingus
Wed, 4 Nov - Wed, 11 Nov
Aer Lingus Logo
09:50 - 11:20LHR  London Heathrow-SNN Shannon
1h 30mdirect
Aer Lingus Logo
16:50 - 18:20SNN  Shannon-LHR London Heathrow
1h 30mdirect
€104Aer Lingus
Sat, 10 Oct - Wed, 21 Oct
Aer Lingus Logo
18:05 - 19:25LHR  London Heathrow-SNN Shannon
1h 20mdirect
Aer Lingus Logo
20:05 - 21:25SNN  Shannon-LHR London Heathrow
1h 20mdirect
€105Aer Lingus
Fri, 6 Nov - Fri, 13 Nov
Aer Lingus Logo
18:05 - 19:25LHR  London Heathrow-SNN Shannon
1h 20mdirect
Aer Lingus Logo
17:30 - 18:55SNN  Shannon-LHR London Heathrow
1h 25mdirect
€106Aer Lingus
Wed, 4 Nov - Wed, 11 Nov
Aer Lingus Logo
09:50 - 11:20LHR  London Heathrow-SNN Shannon
1h 30mdirect
Aer Lingus Logo
21:15 - 22:40SNN  Shannon-LHR London Heathrow
1h 25mdirect
€107Aer Lingus
Sun, 11 Oct - Thu, 22 Oct
Aer Lingus Logo
19:10 - 20:35LHR  London Heathrow-SNN Shannon
1h 25mdirect
Aer Lingus Logo
17:30 - 18:55SNN  Shannon-LHR London Heathrow
1h 25mdirect
€108Aer Lingus
Wed, 21 Oct - Wed, 28 Oct
Aer Lingus Logo
19:10 - 20:35LHR  London Heathrow-SNN Shannon
1h 25mdirect
Aer Lingus Logo
20:05 - 21:25SNN  Shannon-LHR London Heathrow
1h 20mdirect
€109Aer Lingus
Tue, 20 Oct - Tue, 3 Nov
Aer Lingus Logo
14:20 - 15:50LHR  London Heathrow-SNN Shannon
1h 30mdirect
Aer Lingus Logo
16:50 - 18:20SNN  Shannon-LHR London Heathrow
1h 30mdirect
€110Aer Lingus
Sat, 10 Oct - Sat, 17 Oct
Aer Lingus Logo
18:05 - 19:25LHR  London Heathrow-SNN Shannon
1h 20mdirect
Aer Lingus Logo
20:05 - 21:25SNN  Shannon-LHR London Heathrow
1h 20mdirect
€111Aer Lingus
Wed, 4 Nov - Wed, 11 Nov
Aer Lingus Logo
14:40 - 16:10LHR  London Heathrow-SNN Shannon
1h 30mdirect
Aer Lingus Logo
21:15 - 22:40SNN  Shannon-LHR London Heathrow
1h 25mdirect
€112Aer Lingus
Wed, 7 Oct - Tue, 13 Oct

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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
4 Nov
LHR18:05London Heathrow
1h 20m
SNN19:25Shannon
11 Nov
SNN17:30Shannon
1h 25m
LHR18:55London Heathrow
€98
Aer Lingus
10 Oct
LHR09:50London Heathrow
1h 30m
SNN11:20Shannon
21 Oct
SNN16:50Shannon
1h 30m
LHR18:20London Heathrow
€104
Aer Lingus
6 Nov
LHR18:05London Heathrow
1h 20m
SNN19:25Shannon
13 Nov
SNN20:05Shannon
1h 20m
LHR21:25London Heathrow
€105

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

LondonShannon

LHR London Heathrow - SNN Shannon

LHRSNN

London Heathrow

Wed 4/11

18:05-19:25

Nonstop1h 20m

Shannon

Wed 11/11

17:30-18:55

Nonstop1h 25m

€98

LondonShannon

LHR London Heathrow - SNN Shannon

LHRSNN

London Heathrow

Sat 10/10

09:50-11:20

Nonstop1h 30m

Shannon

Wed 21/10

16:50-18:20

Nonstop1h 30m

€104
Fastest return journey

LondonShannon

LHR London Heathrow - SNN Shannon

LHRSNN

London Heathrow

Fri 6/11

18:05-19:25

Nonstop1h 20m

Shannon

Fri 13/11

20:05-21:25

Nonstop1h 20m

€105

LondonShannon

LHR London Heathrow - SNN Shannon

LHRSNN

London Heathrow

Wed 4/11

18:05-19:25

Nonstop1h 20m

Shannon

Wed 11/11

17:30-18:55

Nonstop1h 25m

€106

LondonShannon

LHR London Heathrow - SNN Shannon

LHRSNN

London Heathrow

Sun 11/10

09:50-11:20

Nonstop1h 30m

Shannon

Thu 22/10

21:15-22:40

Nonstop1h 25m

€107

LondonShannon

LHR London Heathrow - SNN Shannon

LHRSNN

London Heathrow

Wed 21/10

19:10-20:35

Nonstop1h 25m

Shannon

Wed 28/10

17:30-18:55

Nonstop1h 25m

€108

LondonShannon

LHR London Heathrow - SNN Shannon

LHRSNN

London Heathrow

Tue 20/10

19:10-20:35

Nonstop1h 25m

Shannon

Tue 3/11

20:05-21:25

Nonstop1h 20m

€109

LondonShannon

LHR London Heathrow - SNN Shannon

LHRSNN

London Heathrow

Sat 10/10

14:20-15:50

Nonstop1h 30m

Shannon

Sat 17/10

16:50-18:20

Nonstop1h 30m

€110

LondonShannon

LHR London Heathrow - SNN Shannon

LHRSNN

London Heathrow

Wed 4/11

18:05-19:25

Nonstop1h 20m

Shannon

Wed 11/11

20:05-21:25

Nonstop1h 20m

€111

LondonShannon

LHR London Heathrow - SNN Shannon

LHRSNN

London Heathrow

Wed 7/10

14:40-16:10

Nonstop1h 30m

Shannon

Tue 13/10

21:15-22:40

Nonstop1h 25m

€112

Flights are sorted by cheapest return flights first.

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

See travel insights to Shannon from

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

What is the typical price of a round-trip flight between London Heathrow Airport and Shannon, Clare?

Prices are currently low for flights on this route.

Typical prices usually range from €117 to €180.
The lowest price recently found on this route was €98.

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

The month of March is another great option to travel to Shannon, Clare, with average flight prices from London Heathrow Airport averaging around €142.

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

The cheapest day to depart on your flight to Shannon, Clare is on a Wednesday when prices can be found for as low as €39. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €163.

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

In the morning is the cheapest time of day to fly from London Heathrow Airport to Shannon, Clare when you can find flight prices for as low as €130. Flying to Shannon, Clare in the morning is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Shannon, Clare is at midday when prices are around €163.

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 from London Heathrow Airport 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 €166 when searching weeks before you fly. 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 €112 on momondo.

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

There is only 1 cabin class available to choose from on London Heathrow Airport to Shannon, Clare 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 September 2026, prices for London Heathrow Airport to Shannon, Clare flights are approximately 6% cheaper 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 return 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

€54

Fastest flight time

1h 20m

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 €54. The best return flight deal from London Heathrow Airport to Shannon, Clare found on momondo in the last 72 hours is €98.
The fastest flight from London Heathrow Airport to Shannon, Clare takes 1h 20m
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

Frequently asked questions about flying from London Heathrow Airport to Shannon, Clare

  • How far is London Heathrow to Shannon by plane?

    London Heathrow and Shannon are 589.8 km apart from one another. By plane, this route typically takes 1h 20m.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Shannon Airport.

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

    The required travel and health documents for your Shannon 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 licence and a passport valid for six months after your intended arrival at Shannon 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 Shannon, Clare?

Travelling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Limerick
Ennis
Tipperary
Lahinch
Killaloe
Adare
Nenagh
Bunratty

Why use momondo?

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

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 Shannon from London.

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

momondo does allow users to show only those flights to Shannon from London which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Shannon from London.

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

Price alerts on flights to Shannon 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.

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