Cheap flights from Heathrow to Shannon

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London (LHR)
Shannon (SNN)
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How to find the cheapest flight from
Heathrow (LHR) to Shannon (SNN)

All the information you need to plan the best LHR to SNN flight in 2021: compare Heathrow to Shannon flight prices with the expected peak season, weather and rainfall in Shannon.
LHR - SNN
Price
£111 - £158
SNN
Temperature
9 - 20 °C
SNN
Rainfall
64 - 120 mm

Popular in

December

High demand for flights, 23% potential price rise

Cheapest in

September

Best time to find cheap flights, 9% potential price drop

Average price

£121

Average for round-trip flights in April 2021

Round-trip from

£111

From Heathrow to Shannon

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Heathrow to Shannon?

To save up to 90% on this flight, we recommend booking at least 49 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Heathrow to Shannon from £89 1-2 weeks out and tickets from £115 for flights departing within the next 72 hours.

Heathrow to Shannon 2021 flight deals

Cheap flights to Shannon from Heathrow found for this year
28 Aug - 7 Sep
£105pp
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow
5 Jul - 12 Jul
£112pp
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow
7 Oct - 11 Oct
£121pp
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow

Direct flights to Shannon from Heathrow

Save time with Heathrow to Shannon direct flight deals
28 Aug - 7 Sep
£105pp
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow
5 Jul - 12 Jul
£112pp
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow
7 Oct - 11 Oct
£121pp
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow

One-way flights to Shannon from Shannon

The cheapest one-way flights from Heathrow to Shannon
15:35 - 17:00
Aer Lingus
Direct
1h 25m
LHR - SNN
Aer Lingus
£90
Kiwi.com
11:10 - 12:45
British Airways
Direct
1h 35m
LHR - SNN
British Airways
06:15 - 04:55
Finnair
1 stop
22h 40m
LHR - SNN
Finnair
£1,590

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Heathrow</span> to <span class="emphasized">Shannon</span> flights.

Flight FAQs

From Heathrow to Shannon

Are flight prices decreasing from Heathrow to Shannon due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Heathrow and Shannon for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from London Heathrow to Shannon have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Aer Lingus, British Airways, and Ryanair flying from London Heathrow to Shannon have implemented new flexible cancellation policies.

Can I find flights from Heathrow to Shannon for under £144 on Cheapflights?

Yes, there are multiple flights from Heathrow to Shannon for under £144. The cheapest flight booked recently is on Aer Lingus for just £105, but on average you can expect to pay £1,264.

Are there direct flights from Heathrow to Shannon for under £144 on Cheapflights?

Cheapflights has 3 direct flights from Heathrow to Shannon under £144. A good price for a direct flight from Heathrow to Shannon is less than £112.

Does it rain more in Heathrow or Shannon?

The rainfall in Heathrow is generally same as the rainfall in Shannon. This will continue over the next 20 days.

Is Heathrow weather warmer or cooler than Shannon?

Temperatures around the 24 °Cs can be experienced in July. The weather in Shannon is colder than in Heathrow. Plan for potential changes in flight availability as peak weather approaches in this location.

How long does is the flight from Heathrow to Shannon?

For as low as £105, Aer Lingus can have you in Shannon from Heathrow in 1h 30m. Most flights are nonstop.

What is the cheapest airline to fly from Heathrow to Shannon return?

Our cheapest airline available from Heathrow to Shannon is Aer Lingus. Our recent data shows that you can find tickets from as low as £105 on this airline. This flight start at 14% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Heathrow to Shannon one-way?

To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at £78. British Airways flights start at £120 while deals on Finnair start at £1,590 one-way.

Alternative routes for Heathrow to Shannon

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Shannon

Things to know before you go - useful duration and weather info for your trip from Heathrow to Shannon.
Today's exchange rate
£1 = €1.16
Flight duration
1h 33m
Average temperature for April in Shannon
13.0 °C
Avg rainfall for April in Shannon
67.0 mm

Airports servicing London

Airports servicing Shannon

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