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Cheap flights from Portland (PDX) to London (LCY)

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How to find the cheapest flight from Portland (PDX) to London (LCY)

How to find the cheapest flight from Portland (PDX) to London (LCY)
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How to find the cheapest flight from Portland (PDX) to London (LCY)
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How to find the cheapest flight from Portland (PDX) to London (LCY)
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Cheap flights from Portland to London in September , October 2026

20 Sep - 21 Oct $ 1,276.00
PDX
Portland
Alaska Airlines
1 STOPS
LCY
London
LCY
London
Alaska Airlines
2 STOPS
PDX
Portland
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13 Sep - 07 Oct $ 1,539.00
PDX
Portland
Swiss International Air Lines
1 STOPS
LCY
London
LCY
London
Swiss International Air Lines
2 STOPS
PDX
Portland
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15 Sep - 07 Oct $ 1,587.00
PDX
Portland
Swiss International Air Lines
1 STOPS
LCY
London
LCY
London
Swiss International Air Lines
2 STOPS
PDX
Portland
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Last minute flights from Portland to London

24 Sep - 30 Sep $ 1,302.00
PDX
Portland
Icelandair
2 STOPS
LCY
London
LCY
London
Icelandair
2 STOPS
PDX
Portland
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13 Sep - 30 Sep $ 1,808.00
PDX
Portland
Swiss International Air Lines
1 STOPS
LCY
London
LCY
London
Swiss International Air Lines
2 STOPS
PDX
Portland
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14 Sep - 30 Sep $ 1,857.00
PDX
Portland
Swiss International Air Lines
1 STOPS
LCY
London
LCY
London
Swiss International Air Lines
2 STOPS
PDX
Portland
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One-way flights to London from Portland

1:05 PM - 8:45 AM
KLM Royal Dutch Airlines
1 Stops
11h 45m
PDX - LCY
$ 543
Kiwi
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1:05 PM - 9:30 AM
Virgin Atlantic Airways
1 Stops
12h 25m
PDX - LCY
$ 567
Kiwi
Pick dates
1:05 PM - 8:45 AM
KLM Royal Dutch Airlines
1 Stops
11h 45m
PDX - LCY
$ 591
Kiwi
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How to find the cheapest flight from Portland (PDX) to London (LCY)

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How to find the cheapest flight from Portland (PDX) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.