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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
£412
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
£578
Icelandair, Lufthansa, American, Air France, Delta, United, Air Canada, Alitalia, Brussels, Austrian, Swiss, KLM, US Airways
£380
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
£502
Turkish, KLM, Virgin Atlantic, Alitalia, Brussels, Finnair, SAS, British Airways, United, Delta, American, Air Berlin, Air France, Lufthansa, Iberia, US Airways, Air Canada
£533
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
£364
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
£412
Air France, Iberia, Lufthansa, American, Delta, United, US Airways, KLM, Swiss, Austrian, Brussels, British Airways, Air Transat, Air Canada
£508
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
£285
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
£334
British Airways, Austrian, Brussels, Air Transat, Air Canada, Delta, United, American, Air France, Condor, Icelandair, Swiss, KLM, US Airways, Lufthansa
£393
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
£341
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
£572
Air Berlin, Iberia, Austrian, Air France, American, Delta, United, Air Canada, British Airways, Alitalia, SAS, Swiss, KLM, Turkish, Virgin Atlantic, US Airways, Lufthansa
£586
Lufthansa, Iberia, United, British Airways, Finnair, Alitalia, KLM, Turkish, Virgin Atlantic, US Airways, Air Berlin, Air Canada, Delta, Air France, American
£423
KLM, Virgin Atlantic, US Airways, Brussels, Austrian, Turkish, Alitalia, Iberia, Lufthansa, Air Berlin, American, Delta, United, Air Canada, British Airways, Air France, SAS
£558
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
£239
Air France, Aeroflot, UIA, Lufthansa, Astana, Pegasus, LOT, British Airways, Croatia, Aegean, Turkish, KLM, Germanwings, Swiss, airBaltic, Austrian, Alitalia, TAROM
£99
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
£504
Air France, Delta, KLM, US Airways
£625
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
£567

Cheap International Flights to Portland - PWM

Flights
Airline
Lowest Price
US Airways, Air France, United, Delta, Air Canada, KLM, Lufthansa
£582
Delta, Air Canada, KLM, US Airways, Air France, Lufthansa, United
£589
Delta, KLM, Air France
£613
Lufthansa, Air France, Delta, United, KLM
£614
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
£387
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
£411
Lufthansa, KLM, Alitalia, Brussels, United, Air France, Aer Lingus, Delta
£455
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
£454
Cheap Flights from London to Portland, ME, United States, from £646 Round trip from LON to PWM