Cheap flights from Heathrow to Portsmouth

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How to find the cheapest flight from
Heathrow (LHR) to Portsmouth (PSM)

All the information you need to plan the best LHR to PSM flight in 2021: compare Heathrow to Portsmouth flight prices with the expected peak season, weather and rainfall in Portsmouth.
How far in advance should I book a flight from Heathrow to Portsmouth?

Users have found that booking a flight from Heathrow to Portsmouth at least 61 days early can save you up to 54% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Heathrow to Portsmouth for as little as £356 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £455 for flights departing within the next 3 days.

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

November can be a great time to fly to Portsmouth from Heathrow with a flight ticket averaging about £298. Cheapflights users have found deals in the month of November for as cheap as £214. The most expensive prices can be found in the month of July.

Related info for your journey

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

Flight FAQs

From Heathrow to Portsmouth

Are flight prices decreasing from Heathrow 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 Heathrow 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 Heathrow?

Portsmouth Pease Intl (PSM) is the airport you will fly into if you book a flight from London Heathrow to Portsmouth. You should not have trouble finding flights to Pease Intl from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Portsmouth airport from London Heathrow. It is only a 3.2 mi journey from Pease Intl (PSM) to Portsmouth’s city centre.

Does it rain more in Heathrow or Portsmouth?

When travelling, we recommend packing in preparation to handle common weather conditions. The rainfall in Heathrow is typically less than Portsmouth. We can gather that this will continue over the next 19 days.

Is Heathrow weather warmer or cooler than Portsmouth?

We forecast the temperature to be around the 29 °Cs in July, on average. The temperature in Portsmouth is generally hotter than in Heathrow. Book flights in a timely manner in correlation to your departure date.

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Alternative routes for Heathrow to Portsmouth

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Destination information for Portsmouth

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