Cheap Flights from Portsmouth (PSM) to Glasgow (PIK)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to Glasgow (PIK-Prestwick)

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Frequently asked questions

How much does a flight from Portsmouth Intl. Airport (PSM) to Prestwick Airport (PIK) cost?
Get a cheap one-way flight or cheap return flight from Portsmouth Intl. Airport (PSM) to Prestwick Airport (PIK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Portsmouth Intl. Airport (PSM) to Prestwick Airport (PIK)?
Flying in may help you find better deals, as it's the cheapest month for flights between PSM and PIK. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Portsmouth Intl. Airport (PSM) to Prestwick Airport (PIK)?
To find the cheapest airline that'll fly you from PSM to PIK, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Portsmouth Intl. Airport (PSM) to Prestwick Airport (PIK)?
You'll have to hop on a flight with a layover when traveling from Portsmouth Intl. Airport (PSM) to Prestwick Airport (PIK). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from PSM to PIK?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portsmouth Intl. Airport (PSM) to Prestwick Airport (PIK)?
To avoid potential delays on the Portsmouth Intl. Airport (PSM) to Prestwick Airport (PIK) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portsmouth Intl. Airport (PSM) to Prestwick Airport (PIK) last-minute?
Last-minute bookings from PSM to PIK are usually more expensive. To secure the lowest prices, start looking for flights well ahead of time. That said, if you can play around with your travel dates, you may find a cheap ticket right before your trip.
Can I cancel or change the date of my flight from Portsmouth Intl. Airport (PSM) to Prestwick Airport (PIK)?
If you booked your PSM to PIK flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Portsmouth Intl.
Destination airport
Prestwick
Distance
2979 mi

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Portsmouth to Glasgow Flights

The cheapest times to fly from Portsmouth to Glasgow

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portsmouth to Glasgow are during the month of . You can find some of the cheapest flights from Portsmouth to Glasgow with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portsmouth to Glasgow

Sunday is one of the best days to book for cheap flights from Portsmouth to Glasgow: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portsmouth to Glasgow

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portsmouth to Glasgow in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portsmouth to Glasgow flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portsmouth to Glasgow airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Portsmouth to Glasgow Flights

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*Available to One Key members.