Cheap flights from Allentown, PA to London, United Kingdom
Flights starting at £311. Choose between Allegiant Air, easyJet, or Air Transat to find the best price.
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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, Air Transat, WestJet, and British Airways. Allentown and London have 183 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 Allentown 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 |
Air Transat | TSC | TS | No | 0 0 |
WestJet | WJA | WS | No | Opens 24 days before flight Closes 1 hours before flight |
British Airways | BAW | BA | No | 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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