Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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

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.
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.

Cheap flights from Portland to London in April , May 2026

30 Apr - 30 May $ 1,101.00
PDX
Portland
WestJet
3 STOPS
LCY
London
LCY
London
WestJet
3 STOPS
PDX
Portland
Pick dates
28 Apr - 12 May $ 1,960.00
PDX
Portland
Alaska Airlines
2 STOPS
LCY
London
LCY
London
Alaska Airlines
2 STOPS
PDX
Portland
Pick dates
30 Apr - 05 May $ 2,298.00
PDX
Portland
Swiss International Air Lines
1 STOPS
LCY
London
LCY
London
Swiss International Air Lines
2 STOPS
PDX
Portland
Pick dates

Last minute flights from Portland to London

28 Apr - 01 May $ 1,793.00
PDX
Portland
Icelandair
3 STOPS
LCY
London
LCY
London
Icelandair
2 STOPS
PDX
Portland
Pick dates
28 Apr - 01 May $ 1,876.00
PDX
Portland
Icelandair
3 STOPS
LCY
London
LCY
London
Icelandair
2 STOPS
PDX
Portland
Pick dates
28 Apr - 01 May $ 1,909.00
PDX
Portland
Icelandair
3 STOPS
LCY
London
LCY
London
Icelandair
2 STOPS
PDX
Portland
Pick dates

One-way flights to London from Portland

1:05 PM - 7:10 AM
Luxair
3 Stops
34h 25m
PDX - LCY
$ 524
Kiwi
Pick dates
1:05 PM - 7:30 PM
Luxair
3 Stops
22h 45m
PDX - LCY
$ 679
Kiwi
Pick dates
1:05 PM - 8:45 AM
Virgin Atlantic Airways
1 Stops
11h 45m
PDX - LCY
$ 1,128
Kiwi
Pick dates

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

Related info for your journey
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.
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.