Travelers have found it’s best to book a flight 61 days in advance to save up to 39% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Glasgow to Portsmouth, New Hampshire 1-2 weeks in advance for as low as £470, or £816 for flights within the next 24 hours.
Flights from Glasgow to Portsmouth, New Hampshire lean towards being more expensive in July. Prices are generally better when you fly from Glasgow to Portsmouth, New Hampshire in February, with the cheapest ticket starting at £323.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Glasgow to Portsmouth, New Hampshire as you normally would.
For a flight from Glasgow to Portsmouth, you will be flying into Pease Intl. Portsmouth Pease Intl (PSM) is just 3.2 mi from the center of the city. Pease Intl is the only Portsmouth airport and it handles 0 inbound flights from Glasgow per day. 0 airlines have flights to Portsmouth Pease Intl from Glasgow on a regular basis.
Great question - GLA to PSM just means Glasgow Intl Airport to Portsmouth Pease Intl Airport. Now you’ll know what these unique codes when you look for flights! Edinburgh Turnhouse Airport (EDI), Dundee Airport (DND), Glasgow Prestwick Airport (PIK), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL) are some additional IATA codes for airports related to your trip.
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