Cheap flights from Shannon International to Heathrow

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Shannon (SNN)
London (LHR)
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The best prices from Shannon International to Heathrow are usually found in September or April, booked 58 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

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

SNN - LHR
Price
£113 - £140
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

£121

Average for round-trip flights in February 2021

Round-trip from

£113

From Shannon International to Heathrow

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from Shannon International to Heathrow?

Sunday flights are found to be more expensive to fly from Shannon International to Heathrow. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Heathrow.

How far in advance should I book a flight from Shannon International to Heathrow?

To save on the cost of your flight from Shannon International to Heathrow, book at least 58 days before your planned departure. Booking around this time can save you about 37% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £81 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £98.

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

March is one of the best times of the year to fly to Heathrow from Shannon International. Prices for March average £74 per person but you can even find prices for as low as £46. The most expensive prices can be found in the month of December. Opting for a March flight can save you 9% on your journey compared to booking in March

When is the cheapest time to fly from Shannon International to Heathrow (SNN - LHR)?

Unlike in the morning, when flights are generally more expensive, you can save up to 7% on flights from Shannon International to Heathrow by exploring options for tickets at midday.

Shannon International to Heathrow 2021 flight deals

12 May - 15 May
£128pp
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon
23 Jul - 30 Jul
£129pp
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon
19 May - 24 May
£134pp
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon

Direct flights to Heathrow from Shannon International

12 May - 15 May
£128pp
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon
23 Jul - 30 Jul
£129pp
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon
19 May - 24 May
£134pp
SNN
Shannon
Aer Lingus
Direct
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
Direct
SNN
Shannon

Related info for your journey

Flight FAQs

From Shannon International 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 International to Heathrow for under £144 on Cheapflights?

Yes, there are multiple flights from Shannon International to Heathrow for under £144. The cheapest flight booked recently is on Aer Lingus for just £128, but on average you can expect to pay £1,719.

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

Cheapflights has 4 direct flights from Shannon International to Heathrow under £144. A good price for a direct flight from Shannon International to Heathrow is less than £131.

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 greater than that of 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 International to Heathrow?

There are many flights that can get you from Shannon International to Heathrow in 1h 25m. Fly via Aer Lingus to get the fastest option. All flights are typically direct.

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

Currently priced at £128, Aer Lingus will fly you from Shannon International to Heathrow and back. In addition to Aer Lingus, many other airlines offer competitively priced options for your trip.

Alternative routes for Shannon International to Heathrow

Destination information for Heathrow

Today's exchange rate
£1 = £1.00
Flight duration
1h 29m
Average temperature for February in Heathrow
9.0 °C
Avg rainfall for February in Heathrow
50.0 mm

Airports servicing Shannon

Airports servicing London

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