Route Price Intelligence
Cheap Flights From Portland to London
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$973
Deals From
$879
Usually Costs
$879 – $1,162
Lowest We've Seen
$495
Based on 4,576 price pointshigh confidence
Monthly Price Guide
Jan
$879
Feb
$889
Mar
$879
Apr
$995
May
$1,120
Jun
$1,438
Jul
$1,219
Aug
$914
Sep
$879
Oct
$879
Nov
$879
Dec
$1,013
Cheapest Average Expensive
Best Time to Fly from Portland to London
The cheapest time to fly from Portland to London is typically October, when fares average around $879. The most expensive month tends to be June at around $1,438. For the best deals, consider flying in October, November, January.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $50575 price checksWorst: $819