Cheap flights from London to Portsmouth from £432

Travelers frequently search for route combinations, such as London and Istanbul, Tirana, Barcelona, Jeddah, Tel Aviv, Prague, Paris, Athens, Bucharest, Málaga, Marrakesh, Bangkok, Rome, Chișinău, Madrid, Budapest, Edinburgh, New York, Oslo, Agadir.

Travelers frequently search for route combinations, such as Portsmouth and Orlando, Guayaquil, Sofia, Cusco, Manchester, Istanbul, Madrid, Brussels, Portland, Muscat, Vilnius, Dhaka, Budapest, Doha, San Juan, Karachi, Reykjavik, Grand Rapids, Kochi, Lahore.

London is mainly served by London Stansted. But there are other airports nearby, including Heathrow, Gatwick, Luton, London City, London Southend, RAF Northolt.

The main airport in London is London Stansted. It is also served by Birmingham, Bristol, East Midlands, Cardiff, Bournemouth, Southampton, Exeter, Norwich, Humberside.

The main airport in Portsmouth is Portsmouth International Airport at Pease. It is also served by Logan International, Bradley International, Rhode Island T. F. Green Int'l Airport, Portland International Jetport, Manchester–Boston Regional, Bangor International, Portsmouth International Airport at Pease, Augusta State, Rutland–Southern Vermont Regional, Barnstable Municipal.

Currently, you can fly between London and Portsmouth with Allegiant Air, BREEZE, JetBlue Airways, Ryanair, Aer Lingus.

If you don’t have specific dates for your trip between London and Portsmouth, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between London and Portsmouth, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around London. The main one is London Stansted and other nearby airports include Birmingham, Bristol, East Midlands, Cardiff, Bournemouth, Southampton, Exeter, Norwich, Humberside