Cheap flights from Ireland to Nantes from €18

The cheapest month to fly to Nantes from Ireland is in September. Flight prices, which tend to average around €73, are often lower during this time because this is during the off-season. The month of October is another great option to travel to Nantes, with average flight prices from Ireland averaging around €74.

On average, the least expensive day to fly to Nantes from Ireland is on a Sunday. momondo users have found tickets for Sunday departures for as low as €122. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €262. These prices are subject to change though, so be sure to set up a Price Alert for flights to Nantes.

At midday is the cheapest time of day to fly from Ireland to Nantes when you can find flight prices for as low as €160. Flying to Nantes at midday is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €214 on average. Flights to Nantes from Ireland in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Dublin to Nantes Atlantique for the best Ireland - Nantes Atlantique flight prices

You are more likely to see cheaper flights to Nantes from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Nantes for around €132 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Nantes from Ireland for as low as €102 on momondo.

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

Historically, on average around 18% of flights between Ireland and Nantes have experienced a delay on any given week. The average delay length over the past 12 months has been 95 minutes.

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

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Friday 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 16% of their flights experiencing any sort of delay.

As of February 2026, 1 flights take off from Ireland and land in Nantes each week. The most common flight departure day for this route is Mon, with 100% of weekly flights taking off on this day.

The flight from Ireland to Nantes depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Dublin (a popular airport in Ireland) to Nantes (the most popular airport in Nantes), then the flight time is 1h 40m on average. If you fly from Shannon (another popular airport in Ireland) to Nantes, then the average flight time is 26h 05m.