Cheap Flights from London to Portland
No deal from London to Portland has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from London to Portland, the lowest round-trip fare we recorded was $765, in September. The typical fare was $805. September was the cheapest month we saw and October the dearest.
The most recent price we saw on this route was $808 on Alaska and Condor, seen Oct 15. It is an unverified observation and may have changed.
See every deal <a href="/from/london">from London</a>, <a href="/to/portland">to Portland</a>, or the return direction <a href="/from/portland/to/london">Portland to London</a>.
Latest price we saw: London to Portland
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| London (LGW) to Portland (PDX) | $808 | 8.2¢ | Jan 14 – Jan 21 | Alaska and Condor | Oct 15 | Check price |
Price history: London to Portland
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $808 | $811 | 3 |
| Sep 2026 | $765 | $782 | 2 |
| Aug 2026 | $795 | $821 | 8 |
Frequently asked questions
How many flight deals from London to Portland are on Sparkflights right now?
There are 0 verified deals from London to Portland on the board right now. The list refreshes hourly.
What is the lowest price ever seen from London to Portland?
The lowest fare we've recorded from London to Portland is $765, based on 13 price observations over 3 months.
How much does a flight from London to Portland cost?
The typical round-trip fare we observed from London to Portland is $805, against a recorded low of $765. These are observations, not quotes.
When is the cheapest month to fly London to Portland?
September was the cheapest month we observed from London to Portland and October the dearest, over 3 months of data.
What is the current price from London to Portland?
The most recent fare our sweep saw from London to Portland is $808, on Oct 15. It is an unverified observation rather than a verified deal, so check it before booking.