Cheap flights from Shannon, Clare to London from £13

The cheapest month to fly to London from Shannon, Clare is in September. Flight prices, which tend to average around £13, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from Shannon, Clare averaging around £15.

Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £72. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Shannon, Clare to London for around £535.

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £91. Flights in the afternoon are often more expensive, with an average ticket price of £141.

Fly from Shannon to London Stansted for the best Shannon - London flight prices

As of May 2026, prices for Shannon, Clare to London flights are approximately 65% cheaper when compared to flights at the same time last year.

Ryanair, Aer Lingus, and British Airways are the most popular carriers operating from Shannon to London

Ryanair, Aer Lingus and British Airways are the top three most popular airlines that fly to London from Shannon, Clare according to our data. Ryanair is the first choice among our users, with 46% of people opting to fly with this airline when travelling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between Shannon and London have experienced a delay on any given week. The average delay length over the past 12 months has been 103 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Ryanair have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

As of May 2026, 13 flights take off from Shannon, Clare and land in London each day. The most common flight departure time for this route is 07:00, with 40% of daily flights taking off at midday.

As of May 2026, 97 flights take off from Shannon, Clare and land in London each week. The most common flight departure day for this route is Fri, with 18% of weekly flights taking off on this day.