Cheap flights from Shannon, Clare to London from €15

In general, September is the cheapest month to fly from Shannon, Clare to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €15. If you are unable to visit London during the month of September, then departing from Shannon, Clare during the month May is also very affordable. Most momondo users find prices during this month for around €17.

Our data shows that Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as €231. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Shannon, Clare to London for around €741.

The cheapest time of day to fly to London is at midday when flights can be purchased for as low as €101. In contrast, the most expensive time of day to depart to London is in the afternoon when prices are around €667.

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 60% cheaper when compared to flights at the same time last year.

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

Aer Lingus, Ryanair and British Airways are the top three most popular airlines that fly to London from Shannon, Clare according to our data. Aer Lingus is the first choice among our users, with 62% 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 102 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 10% of their flights experiencing any sort of delay.

As of May 2026, there are 13 flights per day flying from Shannon, Clare to London. The most common time of day flights depart is 07:00, with 40% of flights taking off at midday.

97 flights are operational weekly from Shannon, Clare to London as of May 2026. The most popular departure day for this route is Wed, with 18% of flights per week taking off on this day.