This marks a slight deceleration from the 8.1% growth recorded in April.

In contrast, freight and mail volumes saw a more significant increase, growing by 8.1% in May to 22.8 thousand tons—a notable jump from the 1.7% year-on-year rise reported in April, based on preliminary air transport data.

In May, an average of 112,900 passengers disembarked at Portuguese airports each day—marking a 6.1% rise compared to May 2024, when the figure was 106,400.

Between January and May 2025, the United Kingdom continued to be the top country of origin and destination for air travel to and from Portugal. The number of UK arrivals rose by 2.8%, while departures to the UK increased by 2.2% year-on-year. France remained the second most frequent travel connection, with Spain holding third place.