Cheap flights from Ireland to Switzerland from €21

The cheapest month to fly to Switzerland from Ireland is in January. Flight prices, which tend to average around €47, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Switzerland from Ireland during February instead. Flights to Switzerland in February, while not as cheap as those in January, still average around €54.

The cheapest day to depart from Ireland to Switzerland is on a Friday. Travellers who choose to depart for Switzerland on a Friday will often find tickets for as low as €250. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around €543. These prices are subject to change though, so be sure to set up a Price Alert for flights to Switzerland.

Our most recent data shows that the best time of day to fly to Switzerland is in the morning. Flights from Ireland to Switzerland during this time can be as low as €270. In contrast, the most expensive time of day to depart to Switzerland is in the afternoon when prices are around €594.

Fly from Dublin to Geneva Geneve-Cointrin for the best Ireland - Switzerland flight prices

You are more likely to see cheaper flights to Switzerland from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Switzerland for around €177 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Switzerland from Ireland for as low as €129 on momondo.

Aer Lingus, Ryanair, and Iberia are the most popular carriers operating from Ireland to Switzerland

Aer Lingus, SWISS and KLM are the top three most popular airlines that fly to Switzerland from Ireland according to our data. Aer Lingus is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Switzerland. Keep in mind that there are 3 different airlines that fly to Switzerland on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between Ireland and Switzerland have experienced a delay on any given week. The average delay length over the past 12 months has been 95 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening 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. Monday has historically seen more delays on average compared to the rest of the week.

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

The number of flights available between Ireland and Switzerland is 3 per day as of April 2026. The most frequent departure time is 13:00, with 61% of daily flights leaving in the afternoon.

As of April 2026, there are 25 flights per week flying from Ireland to Switzerland. The most common day of the week flights depart is Wed, with 32% of flights taking off on this day.