Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Shannon from £47

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

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London Heathrow Airport to Shannon

Cheap return flights

Aer Lingus Logo
14:40 - 16:10LHR-SNN
1h 30mdirect
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
£91Aer Lingus
Find Deal
Wed, 24 Sep - Thu, 2 Oct
Aer Lingus Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
Aer Lingus Logo
17:30 - 18:55SNN-LHR
1h 25mdirect
£94Aer Lingus
Find Deal
Mon, 15 Sep - Sat, 20 Sep
Aer Lingus Logo
14:40 - 16:10LHR-SNN
1h 30mdirect
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
£95Aer Lingus
Find Deal
Wed, 24 Sep - Thu, 2 Oct
Aer Lingus Logo
09:50 - 11:20LHR-SNN
1h 30mdirect
Aer Lingus Logo
16:55 - 18:20SNN-LHR
1h 25mdirect
£96Aer Lingus
Find Deal
Tue, 23 Sep - Tue, 23 Sep
Aer Lingus Logo
09:50 - 11:20LHR-SNN
1h 30mdirect
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
£97Aer Lingus
Find Deal
Tue, 2 Sep - Sun, 14 Sep
Aer Lingus Logo
09:50 - 11:20LHR-SNN
1h 30mdirect
Aer Lingus Logo
16:55 - 18:20SNN-LHR
1h 25mdirect
£98Aer Lingus
Find Deal
Tue, 23 Sep - Tue, 23 Sep
Aer Lingus Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
£100Aer Lingus
Find Deal
Wed, 17 Sep - Sun, 21 Sep
Aer Lingus Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
£104Aer Lingus
Find Deal
Tue, 26 Aug - Tue, 2 Sep
Logo
19:25 - 23:35LHR-SNN
4h 10m1 stop
Logo
17:25 - 18:50SNN-LHR
1h 25mdirect
£147
Find Deal
Fri, 7 Nov - Sat, 8 Nov
Logo
06:50 - 12:50LHR-SNN
6h 00m1 stop
Logo
17:30 - 18:55SNN-LHR
1h 25mdirect
£151
Find Deal
Sun, 9 Nov - Sun, 9 Nov

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
24 Sept
LHR14:40London Heathrow
1h 30m
SNN16:10Shannon
2 Oct
SNN21:15Shannon
1h 25m
LHR22:40London Heathrow
£91
Find similar
Aer Lingus
15 Sept
LHR19:10London Heathrow
1h 25m
SNN20:35Shannon
20 Sept
SNN17:30Shannon
1h 25m
LHR18:55London Heathrow
£94
Find similar
Aer Lingus
24 Sept
LHR14:40London Heathrow
1h 30m
SNN16:10Shannon
2 Oct
SNN21:15Shannon
1h 25m
LHR22:40London Heathrow
£95
Find similar

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
13 Aug
LHR19:10London Heathrow
1h 25m
SNN20:35Shannon
20 Aug
SNN21:15Shannon
1h 25m
LHR22:40London Heathrow
£221
Find similar
British Airways
6 Aug
LHR19:10London Heathrow
1h 25m
SNN20:35Shannon
14 Aug
SNN07:40Shannon
1h 25m
LHR09:05London Heathrow
£237
Find similar
British Airways
5 Aug
LHR14:40London Heathrow
1h 30m
SNN16:10Shannon
6 Aug
SNN21:15Shannon
1h 25m
LHR22:40London Heathrow
£240
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Shannon, Clare that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 1 August 2025.
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 24/9

14:40-16:10

Nonstop1h 30m

Shannon

Thu 2/10

21:15-22:40

Nonstop1h 25m

£91

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Mon 15/9

19:10-20:35

Nonstop1h 25m

Shannon

Sat 20/9

17:30-18:55

Nonstop1h 25m

£94

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Wed 24/9

14:40-16:10

Nonstop1h 30m

Shannon

Thu 2/10

21:15-22:40

Nonstop1h 25m

£95

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 23/9

09:50-11:20

Nonstop1h 30m

Shannon

Tue 23/9

16:55-18:20

Nonstop1h 25m

£96

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 2/9

09:50-11:20

Nonstop1h 30m

Shannon

Sun 14/9

21:15-22:40

Nonstop1h 25m

£97

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 23/9

09:50-11:20

Nonstop1h 30m

Shannon

Tue 23/9

16:55-18:20

Nonstop1h 25m

£98

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Wed 17/9

19:10-20:35

Nonstop1h 25m

Shannon

Sun 21/9

21:15-22:40

Nonstop1h 25m

£100

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 26/8

19:10-20:35

Nonstop1h 25m

Shannon

Tue 2/9

21:15-22:40

Nonstop1h 25m

£104

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Fri 7/11

19:25-23:35

1 stop4h 10m

Shannon

Sat 8/11

17:25-18:50

Nonstop1h 25m

£147

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sun 9/11

06:50-12:50

1 stop6h 00m

Shannon

Sun 9/11

17:30-18:55

Nonstop1h 25m

£151

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 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 £87. If you’re not able to fly to Shannon, Clare in January, then February is your next best option. Flight prices from London Heathrow Airport to Shannon, Clare during February average around £111.

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

According to our data, Saturday is the cheapest day to fly to Shannon, Clare from London Heathrow Airport. The lowest ticket price found for a Saturday departure recently was £91. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from London Heathrow Airport to Shannon, Clare on a Sunday will generally be more expensive and average around £146. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 £86. Flights to Shannon, Clare are more costly in the morning, with an average ticket price of £123. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 £132 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 £109 on momondo.

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

There are 2 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 August 2025, prices for London Heathrow Airport to Shannon, Clare flights are approximately 7% 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

£47

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 £47. The best return flight deal from London Heathrow Airport to Shannon, Clare found on momondo in the last 72 hours is £91.
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 near Shannon, Clare: 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 1h 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?

  • 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 travel and health documents required for your trip to Shannon Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Shannon Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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 £87Free CancellationRating
7.1
1,192 reviews
Search Aer Lingus flights
British AirwaysPriceFrom £164Free CancellationRating
6.6
7,222 reviews
Search British Airways flights

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

    Aer Lingus flight deals from London Heathrow Airport to Shannon, Clare start from £115 round-trip. Over the 18 Aer Lingus flights for this route in a normal week, average airfare is usually £182 round-trip - but some users have found much cheaper deals with momondo.

  • British Airways Flights From London Heathrow Airport to Shannon, Clare

    Across 7,222 British Airways reviews on momondo, the average score is 6.6/10. British Airways flies from London Heathrow Airport to Shannon, Clare about 18 times each week, with ticket deals ranging from £217 to £300. Price data is based on momondo searches in the last 72 hours.

Travelling to a place near Shannon?

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

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?

Yes. All flights to Shannon from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from London to Shannon now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Shannon and let you know when they change.

An easier way to manage your Shannon, Clare trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 6/8
Wed 13/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland