Lowest Prices
Uncover the best deals on Portland to London flights by comparing fares from hundreds of airlines and agencies.
Useful information for finding best airline tickets from Portland International to London Heathrow on your next trip.
Cheapest Round Trip Flight
$1289
Delta Airlines
• 1 stop
• 22h 35m
Jul 12 – Jul 31
The cheapest round trip flight from Portland to London (PDX-LHR-PDX) is currently $1289
Cheapest Direct Flight
$982
British Airways
• nonstop
• 15h 35m
Jul 12
The cheapest nonstop flight from Portland to London (PDX-LHR) is currently $982
Fastest Flight
15h 35m
The fastest nonstop flight from Portland to London (PDX-LHR) takes 15h 35m
| Origin Airport | Portland International , Portland, US |
| Destination Airport | London Heathrow , London, GB |
| Distance | 4914 miles |