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Cheap flights from London Stansted Airport to Portsmouth, New Hampshire

STN — PSM
7 Sep — 14 Sep1
1 adult

Cheap flight deals from Stansted to Portsmouth

Discover tips and strategies to find the most affordable flight options for your journey from Stansted (STN) to Portsmouth (PSM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 September 2025.

Popular in

December

Cheapest in

September

Average price

£389
Highest demand for flights based on searches. 3% potential increase in price (£10 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Best time to book a flight from Stansted to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Stansted with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Stansted to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portsmouth from London Stansted?

    If you book a flight to Portsmouth from London Stansted, you will be flying to Pease Intl, which is the city’s only airport. Portsmouth Pease Intl (PSM) is located 3.2 mi from the center of Portsmouth. There are 0 flights from London Stansted to Pease Intl per day from 0 different airlines.

  • Can I find deals for flights from Stansted to Portsmouth that include hotel bookings?

    Yes. In addition to deals on Stansted to Portsmouth flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Stansted to Portsmouth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Portsmouth.

  • Can I find deals for business class flights from Stansted to Portsmouth?

    Yes. Cheapflights offers flight deals from Stansted to Portsmouth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Deals for Stansted to Portsmouth flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Stansted to Portsmouth?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Stansted to Portsmouth.

Can Cheapflights find flights from Stansted to Portsmouth with no change fees?

Need flexible booking options for your flight to Portsmouth from Stansted? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Stansted to Portsmouth become cheaper?

Yes! Start tracking prices for Stansted to Portsmouth flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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