Cheap flights from Shannon to Heathrow

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

All the information you need to plan the best SNN to LHR flight in 2021: compare Shannon to Heathrow flight prices with the expected peak season, weather and rainfall in Heathrow.
SNN - LHR
Price
£114 - £142
LHR
Temperature
8 - 24 °C
LHR
Rainfall
39 - 66 mm

Popular in

October

High demand for flights, 14% potential price rise

Cheapest in

September

Best time to find cheap flights, 6% potential price drop

Average price

£115

Average for round-trip flights in April 2021

Round-trip from

£114

From Shannon to Heathrow

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 Shannon to Heathrow?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 58 days in advance, which can save you up to 37% on flights from Shannon to Heathrow compared to booking the week you need them. Waiting 58 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £82. For sooner than that we have options available in the next 3 days from £99.

What is the cheapest month to fly from Shannon to Heathrow?

March can be a great time to fly to Heathrow from Shannon with a flight ticket averaging about £75. Cheapflights users have found deals in the month of March for as cheap as £47. The most expensive prices can be found in the month of December.

Cheap flights from Shannon to Heathrow in April, May 2021

The best prices found for SNN to LHR flights in April, May
29 May - 1 Jun
£311pp
SNN
Shannon
Multiple airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
SNN
Shannon
29 May - 1 Jun
£383pp
SNN
Shannon
Multiple airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
SNN
Shannon
29 May - 1 Jun
£438pp
SNN
Shannon
Multiple airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
SNN
Shannon

Shannon to Heathrow 2021 flight deals

Cheap flights to Heathrow from Shannon found for this year
13 Sep - 14 Sep
£119pp
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon
16 Jul - 23 Jul
£123pp
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon
9 Aug - 12 Aug
£124pp
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon

Direct flights to Heathrow from Shannon

Save time with Shannon to Heathrow direct flight deals
13 Sep - 14 Sep
£119pp
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon
16 Jul - 23 Jul
£123pp
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon
9 Aug - 12 Aug
£124pp
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon

Related info for your journey

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

Flight FAQs

From Shannon to Heathrow

Are flight prices decreasing from Shannon to Heathrow 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 Shannon and Heathrow 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 Shannon to London Heathrow have flexible changes due to COVID-19?

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

Can I find flights from Shannon to Heathrow for under £146 on Cheapflights?

Yes, there are multiple flights from Shannon to Heathrow for under £146. The cheapest flight booked recently is on Aer Lingus for just £119, but on average you can expect to pay £738.

Are there direct flights from Shannon to Heathrow for under £146 on Cheapflights?

Cheapflights has 4 direct flights from Shannon to Heathrow under £146. A good price for a direct flight from Shannon to Heathrow is less than £181.

Does it rain more in Shannon or Heathrow?

When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Shannon is roughly similar to Heathrow. You can assume this to be the case over the next 24 days.

Is Shannon weather warmer or cooler than Heathrow?

Our data indicates that the weather will be 24 °C on average in the month of July. The temperature in Heathrow is typically hotter than in Shannon. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long does is the flight from Shannon to Heathrow?

There are many flights that can get you from Shannon to Heathrow in 1h 25m. Fly via Aer Lingus to get the fastest option. Generally, flights for this route are direct.

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

According to our current data, Aer Lingus (£119), offers the cheapest pricing from Shannon to Heathrow. You may be able to fly from Shannon to Heathrow for 2% less than the average price by searching for this airline.

Alternative routes for Shannon to Heathrow

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

Destination information for Heathrow

Things to know before you go - useful duration and weather info for your trip from Shannon to Heathrow.
Today's exchange rate
£1 = £1.00
Flight duration
1h 31m
Average temperature for April in Heathrow
14.0 °C
Avg rainfall for April in Heathrow
48.0 mm

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