To save up to 43% on this flight, we recommend booking at least 57 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Glasgow Prestwick Airport to Portsmouth from £106 1-2 weeks out and tickets from £130 for flights departing within the next 72 hours.
January is one of the best times of the year to fly to Portsmouth from Glasgow Prestwick Airport. Prices for January average £95 per person but you can even find prices for as low as £54. The most expensive prices can be found in the month of August. Opting for a January flight can save you 16% on your journey compared to booking in August
When flying from Glasgow Prestwick Airport to Portsmouth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.