Cheap Flights from London (LHR) to Shannon (SNN) from HK$1,078~

View HK$1,078 flight on Mon, 12 Jan 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Shannon Airport (SNN)

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Find Cheap Flights from London (LHR) to Shannon (SNN)

Prices were available within the past 7 days and start at HK$1,078 for one-way flights and HK$1,972 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Thu, 15 Jan - Mon, 19 Jan
LHR
London
SNN
Shannon
HK$1,972 Return, found 5 days ago
HK$1,972
Return
found 5 days ago
Select Aer Lingus flight, departing Thu, 15 Jan from London to Shannon, returning Mon, 19 Jan, priced at HK$1,972 found 5 days ago
Aer Lingus
Sat, 31 Jan - Sat, 7 Feb
LHR
London
SNN
Shannon
HK$2,008 Return, found 15 hours ago
HK$2,008
Return
found 15 hours ago
Select Aer Lingus flight, departing Sat, 31 Jan from London to Shannon, returning Sat, 7 Feb, priced at HK$2,008 found 15 hours ago
British Airways
Sat, 31 Jan - Sat, 7 Feb
LHR
London
SNN
Shannon
HK$2,029 Return, found 15 hours ago
HK$2,029
Return
found 15 hours ago
Select British Airways flight, departing Sat, 31 Jan from London to Shannon, returning Sat, 7 Feb, priced at HK$2,029 found 15 hours ago
Aer Lingus
Sat, 31 Jan - Sat, 7 Feb
LHR
London
SNN
Shannon
HK$2,049 Return, found 15 hours ago
HK$2,049
Return
found 15 hours ago
Select Aer Lingus flight, departing Sat, 31 Jan from London to Shannon, returning Sat, 7 Feb, priced at HK$2,049 found 15 hours ago
Aer Lingus
Sat, 31 Jan - Sat, 7 Feb
LHR
London
SNN
Shannon
HK$2,078 Return, found 15 hours ago
HK$2,078
Return
found 15 hours ago
Select Aer Lingus flight, departing Sat, 31 Jan from London to Shannon, returning Sat, 7 Feb, priced at HK$2,078 found 15 hours ago
British Airways
Sat, 31 Jan - Sat, 7 Feb
LHR
London
SNN
Shannon
HK$2,099 Return, found 15 hours ago
HK$2,099
Return
found 15 hours ago
Select British Airways flight, departing Sat, 31 Jan from London to Shannon, returning Sat, 7 Feb, priced at HK$2,099 found 15 hours ago
British Airways
Sat, 31 Jan - Sat, 7 Feb
LHR
London
SNN
Shannon
HK$2,237 Return, found 15 hours ago
HK$2,237
Return
found 15 hours ago
Select British Airways flight, departing Sat, 31 Jan from London to Shannon, returning Sat, 7 Feb, priced at HK$2,237 found 15 hours ago
British Airways
Sat, 31 Jan - Sat, 7 Feb
LHR
London
SNN
Shannon
HK$2,317 Return, found 15 hours ago
HK$2,317
Return
found 15 hours ago
Select British Airways flight, departing Sat, 31 Jan from London to Shannon, returning Sat, 7 Feb, priced at HK$2,317 found 15 hours ago
British Airways
Sat, 31 Jan - Sat, 7 Feb
LHR
London
SNN
Shannon
HK$2,528 Return, found 15 hours ago
HK$2,528
Return
found 15 hours ago
Select British Airways flight, departing Sat, 31 Jan from London to Shannon, returning Sat, 7 Feb, priced at HK$2,528 found 15 hours ago
Aer Lingus
Mon, 22 Jun - Fri, 26 Jun
LHR
London
SNN
Shannon
HK$2,643 Return, found 5 days ago
HK$2,643
Return
found 5 days ago
Select Aer Lingus flight, departing Mon, 22 Jun from London to Shannon, returning Fri, 26 Jun, priced at HK$2,643 found 5 days ago
Aer Lingus
Mon, 22 Jun - Fri, 26 Jun
LHR
London
SNN
Shannon
HK$2,923 Return, found 5 days ago
HK$2,923
Return
found 5 days ago
Select Aer Lingus flight, departing Mon, 22 Jun from London to Shannon, returning Fri, 26 Jun, priced at HK$2,923 found 5 days ago
Aer Lingus
Sat, 31 Jan - Sat, 7 Feb
LHR
London
SNN
Shannon
HK$4,838 Return, found 15 hours ago
HK$4,838
Return
found 15 hours ago
Select Aer Lingus flight, departing Sat, 31 Jan from London to Shannon, returning Sat, 7 Feb, priced at HK$4,838 found 15 hours ago
British Airways
Sat, 31 Jan - Sat, 7 Feb
LHR
London
SNN
Shannon
HK$4,987 Return, found 15 hours ago
HK$4,987
Return
found 15 hours ago
Select British Airways flight, departing Sat, 31 Jan from London to Shannon, returning Sat, 7 Feb, priced at HK$4,987 found 15 hours ago
British Airways
Sat, 31 Jan - Sat, 7 Feb
LHR
London
SNN
Shannon
HK$5,067 Return, found 15 hours ago
HK$5,067
Return
found 15 hours ago
Select British Airways flight, departing Sat, 31 Jan from London to Shannon, returning Sat, 7 Feb, priced at HK$5,067 found 15 hours ago

Find the cheapest month to fly from London (LHR) to Shannon (SNN)

March is typically the cheapest month to fly

From HK$783 - HK$1,535 per traveller.

Frequently asked questions

How much is a flight from Heathrow Airport (LHR) to Shannon Airport?
If you're planning on traveling from Heathrow Airport (LHR) to SNN, round-trip flights start from HK$1,972. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London Heathrow to Shannon Airport?
This differs between airlines, as each has its own set of terms and conditions. Head to the Customer Service Portal, where there are instructions on how to cancel your flight online.
How do I find cheap flights from Heathrow Airport to SNN that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for LHR to Shannon Airport (SNN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from London Heathrow to Shannon Airport?
You might not get through a whole movie on this flight — it's just 590 kilometers from Hounslow to Shannon. Find your seat, buckle up and you'll be touching down before long.
Which airlines fly direct from Heathrow Airport to SNN?
A favorite with many travelers, Aer Lingus (EI) operates 82 flights every month from London Heathrow to Shannon Airport. Pick the one that fits with your travel plans and book your fare today.
Are Heathrow Airport (LHR) to SNN flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Heathrow Airport (LHR) to Shannon Airport (SNN) at the last minute could be your ticket to a fantastic deal. However, you might miss out on a flight altogether! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.

Travel information

Origin airport
Heathrow
Destination airport
Shannon
Airlines serving
Aer Lingus, British Airways
Return price
HK$1,972
Distance
590 km
Average flight time
1 hour 26 mins

Book with confidence

Flights from London to Shannon

Book cheap flights from London (LHR) to Shannon (SNN) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from London (LHR) to Shannon (SNN) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your London (LHR) to Shannon (SNN) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Shannon flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Shannon and things to do in Shannon for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Shannon more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Shannon is HK$1,078 now!

 

Flights from London to Shannon

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