Route Price Intelligence
Cheap Flights From Portland to London
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$929
Deals From
$817
Usually Costs
$817 – $1,098
Lowest We've Seen
$495
Based on 8,548 price pointshigh confidence
Monthly Price Guide
Jan
$857
Feb
$882
Mar
$978
Apr
$934
May
$985
Jun
$1,354
Jul
$1,162
Aug
$865
Sep
$810
Oct
$817
Nov
$833
Dec
$975
Cheapest Average Expensive
Best Time to Fly from Portland to London
The cheapest time to fly from Portland to London is typically September, when fares average around $810. The most expensive month tends to be June at around $1,354. For the best deals, consider flying in September, October, November.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $50589 price checksWorst: $750