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Cheap Flights from London to Portland, ME, United States - LON to PWM

Did You Know?

United Airlines has 490 connecting flights between London, GB and Portland.
You must make at least one connection to fly from London, GB to Portland.

Cheap International Flights from London - LON

Flights
Airline
Lowest Price
Tap Portugal, Turkish, United, American, Air France, Lufthansa, Aer Lingus, Swiss, Delta, Air Canada, British Airways, Finnair, Aeroflot, Iberia, Icelandair, Virgin Atlantic, KLM, Austrian, SAS, Alitalia, Brussels, US Airways, Air Europa
£413
Virgin Atlantic, KLM, Swiss, Austrian, Brussels, Alitalia, Finnair, Air Transat, British Airways, US Airways, Royal Air Maroc, United, Iberia, Lufthansa, Air Berlin, American, Delta, Air France, Air Canada
£533
Icelandair, Lufthansa, American, Air France, Delta, United, Air Canada, Alitalia, Brussels, Austrian, Swiss, KLM, US Airways
£379
Virgin Atlantic, Alitalia, SAS, Austrian, KLM, US Airways, Korean, Air Europa, Delta, LOT, Swiss, Turkish, American, United, Air Canada, Finnair, Air France, British Airways, Iberia, Brussels, Aer Lingus, Lufthansa
£470
Turkish, KLM, Virgin Atlantic, Alitalia, Brussels, Finnair, SAS, British Airways, United, Delta, American, Air Berlin, Air France, Lufthansa, Iberia, US Airways, Air Canada
£449
American, Air France, Lufthansa, Delta, Aeroflot, Tap Portugal, Swiss, Turkish, Virgin Atlantic, United, Air Canada, Transaero, Air Europa, US Airways, KLM, Austrian, SAS, Alitalia, Finnair, British Airways, Iberia
£367
Air Europa, British Airways, Korean, Icelandair, US Airways, KLM, American, SAS, Austrian, Alitalia, Brussels, Air Canada, Air France, Iberia, Lufthansa, Delta, Ethiopian, Air Berlin, Virgin Atlantic, United, Aeroflot, LOT, Swiss, Turkish, Finnair
£440
Air France, Iberia, Lufthansa, American, Delta, United, US Airways, KLM, Swiss, Austrian, Brussels, British Airways, Air Transat, Air Canada
£501
Lufthansa, Air France, Air Berlin, American, Air Canada, Finnair, Brussels, Aer Lingus, British Airways, Iberia, Condor, Aeroflot, Virgin Atlantic, Icelandair, LOT, Swiss, Turkish, Air Europa, Delta, United, Alitalia, SAS, Austrian, KLM, US Airways
£283
Aeroflot, Norwegian Shuttle, LOT, Turkish, Virgin Atlantic, Air New Zealand, Swiss, American, Iberia, Air Europa, Korean, Delta, Lufthansa, Air France, Air Berlin, United, Air Canada, British Airways, Finnair, Brussels, Alitalia, SAS, Austrian, KLM, US Airways
£332
British Airways, Austrian, Brussels, Air Transat, Air Canada, Delta, United, American, Air France, Condor, Icelandair, Swiss, KLM, US Airways, Lufthansa
£384
Finnair, Korean, Icelandair, Austrian, US Airways, Virgin Atlantic, KLM, Iberia, Lufthansa, Air Transat, British Airways, Air Canada, United, Delta, American, Brussels, Air France, Swiss, Condor
£334
Alitalia, Brussels, Austrian, SAS, LOT, US Airways, Virgin Atlantic, Turkish, Swiss, KLM, Finnair, British Airways, Lufthansa, Iberia, Air Berlin, Korean, American, United, Delta, Air Canada, Aeroflot, Air France
£551
Air Berlin, Iberia, Austrian, Air France, American, Delta, United, Air Canada, British Airways, Alitalia, SAS, Swiss, KLM, Turkish, Virgin Atlantic, US Airways, Lufthansa
£560
Lufthansa, Iberia, United, British Airways, Finnair, Alitalia, KLM, Turkish, Virgin Atlantic, US Airways, Air Berlin, Air Canada, Delta, Air France, American
£415
KLM, Virgin Atlantic, US Airways, Brussels, Austrian, Turkish, Alitalia, Iberia, Lufthansa, Air Berlin, American, Delta, United, Air Canada, British Airways, Air France, SAS
£559
Royal Brunei, MEA, Aeroflot, Royal Jordanian, TAROM, Swiss, Turkish, Virgin Atlantic, Gulf Air, Saudi Arabian, Pegasus, Alitalia, British Airways, Kuwait, Azal, KLM, Qantas, Oman Air, Qatar, Egyptair, Ethiopian, Pakistan, UIA, Air France, Lufthansa, TunisAir, Emirates, Austrian
£236
Air France, Aeroflot, UIA, Lufthansa, Astana, Pegasus, LOT, British Airways, Croatia, Aegean, Turkish, KLM, Germanwings, Swiss, airBaltic, Austrian, Alitalia, TAROM
£120
Air New Zealand, Austrian, United, SAS, Alitalia, Brussels, Finnair, British Airways, Air Canada, Lufthansa, Air France, Air Berlin, Virgin Atlantic, Turkish, Swiss, KLM, Condor, US Airways, Icelandair, Korean, Air Europa, Iberia, Delta, LOT, American
£560
Air France, Delta, KLM, US Airways
£562
Virgin Atlantic, Alitalia, Finnair, Air Canada, United, American, Air Berlin, Air France, Lufthansa, Brussels, SAS, Austrian, Turkish, Swiss, LOT, Delta, Iberia, Korean, British Airways, US Airways, KLM
£557

Cheap International Flights to Portland - PWM

Flights
Airline
Lowest Price
US Airways, Air France, United, Delta, Air Canada, KLM, Lufthansa
£525
Delta, Air Canada, KLM, US Airways, Air France, Lufthansa, United
£525
Delta, KLM, Air France
£580
Lufthansa, Air France, Delta, United, KLM
£581
Finnair, Brussels, Alitalia, Swiss, KLM, Turkish, Virgin Atlantic, US Airways, British Airways, Air France, Air Canada, Aer Lingus, Icelandair, Iberia, Lufthansa, Pakistan, American, United, Delta
£403
KLM, Swiss, Virgin Atlantic, SAS, Turkish, Alitalia, Air Canada, US Airways, United, Delta, American, Air France, Lufthansa, Iberia, Icelandair, Aer Lingus, British Airways, Finnair, Brussels, Tap Portugal
£410
Lufthansa, KLM, Alitalia, Brussels, United, Air France, Aer Lingus, Delta
£444
US Airways, KLM, Swiss, SAS, Air Canada, Aer Lingus, Lufthansa, Air France, Delta, United, Brussels, Turkish
£413
Air France, United, KLM, Brussels, Alitalia, Lufthansa, Aer Lingus, Delta
£447
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Cheap Flights from London to Portland, ME, United States, from £557 Round trip from LON to PWM