Cheap flights from Portugal to Glasgow from £39

In general, October is the cheapest month to fly from Portugal to Glasgow Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £27. If you’re not able to fly to Glasgow Intl Airport in October, then December is your next best option. Flight prices from Portugal to Glasgow Intl Airport during December average around £39.

Fly from Faro to Glasgow Intl for the best Portugal - Glasgow Intl flight prices

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

No. A direct flight is the cheapest option for a flight between Portugal to Glasgow Intl Airport.

Historically, on average around 41% of flights between Portugal and Glasgow have experienced a delay on any given week. The average delay length over the past 12 months has been 117 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, easyJet have had the fewest delays on this route over the last 12 months, with about 41% of their flights experiencing any sort of delay.

As of June 2026, 1 flights take off from Portugal and land in Glasgow Intl Airport each day. The most common flight departure time for this route is 10:00, with 88% of daily flights taking off at midday.

The number of flights available between Portugal and Glasgow Intl Airport is 12 per week as of June 2026. The most frequent departure day is Mon, with 25% of weekly flights leaving on this day.