Cheap flights from Portsmouth, MA to London, United Kingdom
Flights starting at $398. Choose between Allegiant Air, easyJet, or Aer Lingus to find the best price.
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Tips to know when travelling to London
Cheapest one-way trip | $451 |
---|---|
Cheapest round-trip | $916 |
Average round-trip | $1,643 |
Includes rare itinerary | |
Most popular airline | Allegiant Air |
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Book your trip to arrive at Gatwick, Heathrow, Luton, London Stansted, or London City. The most popular airlines for this route are Allegiant Air, easyJet, Aer Lingus, British Airways, and Virgin Atlantic Airways. Portsmouth and London have 123 direct flights per week. When you arrive at London, consider visiting Avebury, Tate Modern, Roman Baths, Bath, Isle of Wight, Canterbury Cathedral, Natural History Museum, Tower of London, St. Paul's Cathedral, Portsea Island, Stonehenge, and British Museum.
Check-in for a flight from Portsmouth to London
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
easyJet | EZY | U2 | No | Opens 720 days before flight Closes 2 hours before flight |
Aer Lingus | EIN | EI | No | Opens 48 days before flight Closes 5 hours before flight |
British Airways | BAW | BA | No | 0 0 |
Virgin Atlantic Airways | VIR | VS | Yes | 0 0 |
Weather in London
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 7°C | 2°C |
February | 8°C | 3°C |
March | 11°C | 4°C |
April | 14°C | 5°C |
May | 17°C | 8°C |
June | 20°C | 11°C |
July | 22°C | 14°C |
August | 22°C | 14°C |
September | 19°C | 12°C |
October | 15°C | 9°C |
November | 10°C | 6°C |
December | 8°C | 3°C |
14 day forecast
Frequently asked questions
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