Cheap flights from London to Portsmouth

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How to find the cheapest flight from
London (LON) to Portsmouth (PSM)

All the information you need to plan the best LON to PSM flight in 2021: compare London to Portsmouth flight prices with the expected peak season, weather and rainfall in Portsmouth.
What is the cheapest day to fly return from London to Portsmouth?

Thursday is generally a great day to depart. Flying on this day could help you save up to 126%.

How far in advance should I book a flight from London to Portsmouth?

Find a great deal and save up to 54% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London to Portsmouth within the next two weeks, with the cheapest ticket starting at £356.

What is the cheapest month to fly from London to Portsmouth?

The best pricing can be found in the month of November. Prices to Portsmouth from London average £298. You can even find prices in November for less than £298, as users have found deals to Portsmouth from as low as £214. The month of July appears to be one of the more expensive times to travel to Portsmouth from London. Flying in the targeted month can save you up to 45%.

When is the cheapest time to fly from London to Portsmouth (LON - PSM)?

When flying from London 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.

Related info for your journey

Useful info, stats and facts about <span class="emphasized">London</span> to <span class="emphasized">Portsmouth</span> flights.

Flight FAQs

From London to Portsmouth

Are flight prices decreasing from London to Portsmouth due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London and Portsmouth for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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

If you book a flight to Portsmouth from London, 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 centre of Portsmouth. There are 0 flights from London to Pease Intl per day from 0 different airlines.

Is London weather warmer or cooler than Portsmouth?

Expect the weather to be around 29 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Portsmouth is generally hotter than in London.

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Airports servicing London

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