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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

30 Sep - 22 Oct $ 1,430.00
PDX
Portland
Alaska Airlines
3 STOPS
LCY
London
LCY
London
Alaska Airlines
3 STOPS
PDX
Portland
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30 Sep - 22 Oct $ 1,450.00
PDX
Portland
Alaska Airlines
3 STOPS
LCY
London
LCY
London
Alaska Airlines
3 STOPS
PDX
Portland
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30 Sep - 22 Oct $ 1,459.00
PDX
Portland
Air Canada
3 STOPS
LCY
London
LCY
London
Air Canada
3 STOPS
PDX
Portland
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Last minute flights from Portland to London

29 Sep - 02 Oct $ 1,899.00
PDX
Portland
WestJet
2 STOPS
LCY
London
LCY
London
WestJet
3 STOPS
PDX
Portland
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29 Sep - 02 Oct $ 2,109.00
PDX
Portland
WestJet
3 STOPS
LCY
London
LCY
London
WestJet
3 STOPS
PDX
Portland
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29 Sep - 02 Oct $ 2,193.00
PDX
Portland
WestJet
2 STOPS
LCY
London
LCY
London
WestJet
3 STOPS
PDX
Portland
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One-way flights to London from Portland

11:20 AM - 8:15 PM
ITA Airways
3 Stops
25h 45m
PDX - LCY
$ 662
Kiwi
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7:10 AM - 3:05 PM
ITA Airways
3 Stops
24h 45m
PDX - LCY
$ 681
Kiwi
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7:02 AM - 8:00 AM
Swiss International Air Lines
2 Stops
17h 38m
PDX - LCY
$ 1,017
Kiwi
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How to find the cheapest flight from Portland (PDX) to London (LCY)

Related info for your journey
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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.