Portland to London flights
The cheapest round trip we found from Portland to London is $815 (Dec 10 – 16, 1 stop).
PDX to LON · Round trip · Economy · Prices per person in USD · Price found (3 days ago)
Cheapest found
Cheapest dates in the next 4 months
Round trip, per person-
Dec 10 – 16 6 nights · leave Thu$815$815 Book
Icelandair 1 stop · 10h 40m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in London
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Airport transfer to London
Fixed prices from LHR on KiwitaxiTo see transfer prices here, turn on partner content in .
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Plan the rest of your trip
London · Dec 10 – 16- eSIM for United Kingdom Yesim · prepaid mobile data (opens Yesim in a new tab)
- Car rental in United Kingdom Economybookings · compare rental companies (opens Economybookings in a new tab)
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More from Portland
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- Ontario $198 −24%
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- Long Beach $255
Flights to London from other cities
All flights to London
Portland to London: questions
How much does a flight from Portland to London cost?
The cheapest round trip we have found right now is $815, leaving December 10 and returning December 16. Prices are per person, economy, in USD.
Which airports do Portland to London flights use?
Portland airports include Portland International (PDX). London airports include London Heathrow (LHR), London City (LCY) and London Gatwick (LGW). The prices on this page cover every airport in both cities (PDX and LON are the city codes).
About this route
We track round-trip economy fares from Portland (United States) to London (United Kingdom) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $815, departing December 10 and returning December 16. The cheapest month to fly in our data is December, from $815. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.