Cheap flights from Shannon, Clare to London from £13

The cheapest month to fly to London from Shannon, Clare is in February. Flight prices, which tend to average around £51, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Shannon, Clare averaging around £54.

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 £77. 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 £198.

The cheapest time of day to fly to London is at midday when flights can be purchased for as low as £83. Flights in the morning are often more expensive, with an average ticket price of £118.

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

There is only 1 cabin class available to choose from on Shannon to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of March 2026, prices for Shannon, Clare to London flights are approximately 35% more expensive 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 56% 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 13% 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 101 minutes.

Generally, flights departing in the morning 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 March 2026, 11 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 March 2026, 82 flights take off from Shannon, Clare and land in London each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.