Cheap flights from Portugal to Spain from £21

The cheapest month to fly to Spain from Portugal is in January. Flight prices, which tend to average around £75, are often lower during this time because this is during the off-season. If you aren’t able to travel to Spain during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £76.

The cheapest day to depart on your flight to Spain is on a Monday when prices can be found for as low as £103. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Spain is Tuesday, with ticket prices averaging around £353.

In the evening is the cheapest time of day to fly from Portugal to Spain when you can find flight prices for as low as £135. Flying to Spain in the evening is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive, with an average ticket price of £208.

Fly from Lisbon Humberto Delgado to Madrid Barajas for the best Portugal - Spain flight prices

You are more likely to see cheaper flights to Spain from Portugal when booking weeks ahead of your departure date. In general, you can expect to find flights to Spain for around £94 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Spain from Portugal for as low as £69 on momondo.

There are 3 cabin classes available to choose from on Portugal to Spain flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Ryanair, easyJet, and Air Europa are the most popular carriers operating from Portugal to Spain

Vueling, TAP AIR PORTUGAL and Ryanair are the top three most popular airlines that fly to Spain from Portugal according to our data. Vueling is the first choice among our users, with 43% of people opting to fly with this airline when travelling to Spain. Keep in mind that there are 6 different airlines that fly to Spain on a routine basis, so you have a few additional options to choose from.

Historically, on average around 24% of flights between Portugal and Spain 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 morning tend to experience fewer delays. Flights departing in the early afternoon 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. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Iberia have had the fewest delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

The number of flights available between Portugal and Spain is 138 per day as of July 2026. The most frequent departure time is 07:00, with 39% of daily flights leaving at midday.

969 flights are operational weekly from Portugal to Spain as of July 2026. The most popular departure day for this route is Thu, with 24% of flights per week taking off on this day.