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Cheap flights from London Heathrow Airport to Shannon from €52

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 29/9. 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
0 bags

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Find the cheapest flights from London Heathrow Airport to Shannon

Cheap return flights

Aer Lingus Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
€109Aer Lingus
Find Deal
Mon, 15 Sep - Thu, 18 Sep
Aer Lingus Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
Aer Lingus Logo
07:40 - 09:05SNN-LHR
1h 25mdirect
€109Aer Lingus
Find Deal
Tue, 23 Sep - Tue, 30 Sep
Aer Lingus Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
€111Aer Lingus
Find Deal
Tue, 29 Jul - Wed, 30 Jul
Aer Lingus Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
€114Aer Lingus
Find Deal
Tue, 29 Jul - Thu, 31 Jul
Aer Lingus Logo
14:40 - 16:10LHR-SNN
1h 30mdirect
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
€116Aer Lingus
Find Deal
Tue, 29 Jul - Tue, 5 Aug
Aer Lingus Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
€120Aer Lingus
Find Deal
Tue, 5 Aug - Tue, 12 Aug
Aer Lingus Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
€123Aer Lingus
Find Deal
Tue, 29 Jul - Fri, 8 Aug
Aer Lingus Logo
14:40 - 16:10LHR-SNN
1h 30mdirect
Aer Lingus Logo
07:40 - 09:05SNN-LHR
1h 25mdirect
€125Aer Lingus
Find Deal
Thu, 4 Sep - Mon, 8 Sep
Aer Lingus Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
€126Aer Lingus
Find Deal
Thu, 4 Sep - Sun, 7 Sep
Aer Lingus Logo
09:50 - 11:20LHR-SNN
1h 30mdirect
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
€127Aer Lingus
Find Deal
Wed, 27 Aug - Wed, 27 Aug

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
15 Sept
LHR19:10London Heathrow
1h 25m
SNN20:35Shannon
18 Sept
SNN21:15Shannon
1h 25m
LHR22:40London Heathrow
€109
Find similar
Aer Lingus
23 Sept
LHR19:10London Heathrow
1h 25m
SNN20:35Shannon
30 Sept
SNN07:40Shannon
1h 25m
LHR09:05London Heathrow
€109
Find similar
Aer Lingus
29 Jul
LHR19:10London Heathrow
1h 25m
SNN20:35Shannon
30 Jul
SNN21:15Shannon
1h 25m
LHR22:40London Heathrow
€111
Find similar

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?

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 €126.

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 Thursday when prices can be found for as low as €144. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday 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 €173.

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

In the afternoon 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 €92. Flying to Shannon, Clare in the afternoon 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 €187.

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 €150 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 €122 on momondo.

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

There are 1 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 July 2025, prices for London Heathrow Airport to Shannon, Clare flights are approximately 67% 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 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

€52

Fastest flight time

1h 20m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Shannon, Clare

1 airport
The best one-way flight to Shannon, Clare from London Heathrow Airport in the past 72 hours is €52. The best return flight deal from London Heathrow Airport to Shannon, Clare found on momondo in the last 72 hours is €109.
The fastest flight from London Heathrow Airport to Shannon, Clare takes 1h 20m
Direct flights go from London Heathrow Airport to Shannon, Clare on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. Airlines offering direct flights are: Aer Lingus and British Airways..
There is 1 airport near Shannon, Clare: Shannon (SNN)
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  • 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 25m.

  • 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom €79Free CancellationRating
7.1
1,170 reviews
Search Aer Lingus flights

  • Aer Lingus Flights From London Heathrow Airport to Shannon, Clare

    Aer Lingus is one of the most popular airlines flying from London Heathrow Airport to Shannon, Clare, operating 18 flights/week on average for this route. A good Aer Lingus flight deal for London Heathrow Airport to Shannon, Clare starts from €91 round-trip, up to an average price of €196. Our users have rated Aer Lingus at 7.1/10.

Travelling to a place near Shannon?

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

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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