Cheap flights from Dublin to Lisbon from C$ 47

The month of November is, on average, the cheapest month to fly to Lisbon from Dublin, with most prices found around C$ 175. If you don’t want to visit Lisbon in November, then you should wait until January to fly from Dublin, when ticket prices are also cheap, with an average price of C$ 181.

The cheapest day to depart from Dublin to Lisbon is on a Wednesday. Travellers who choose to depart for Lisbon on a Wednesday will often find tickets for as low as C$ 186. The most expensive day to fly to Lisbon is Friday, with ticket prices averaging around C$ 364.

Flying to Lisbon from Dublin in the evening is the least expensive time of day to depart. momondo users have found prices as low as C$ 181 when looking at flights departing in the evening. In the afternoon is when there is more demand to fly to Lisbon, so prices are often more expensive at around C$ 298 per ticket.

Fly from Dublin to Lisbon Humberto Delgado for the best Dublin - Lisbon Humberto Delgado flight prices

You are more likely to see cheaper flights to Lisbon from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around C$ 261 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Dublin for as low as C$ 212 on momondo.

There are 3 cabin classes available to choose from on Dublin to Lisbon Humberto Delgado 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 26% of flights between Dublin and Lisbon have experienced a delay on any given week. The average delay length over the past 12 months has been 116 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. Wednesday has historically seen more delays on average compared to the rest of the week.

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

3 flights are operational daily from Dublin to Lisbon as of February 2026. The most popular departure time for this route is 11:00a.m., with 53% of flights per day taking off at noon.

25 flights are operational weekly from Dublin to Lisbon as of February 2026. The most popular departure day for this route is Sat, with 40% of flights per week taking off on this day.