London (LHR) to Portland (PDX) business class reward flights

PDX → LHR

Lowest seen in the last 2 daysPlus fees$885.99Program

Atmos RewardsAirline

British AirwaysDepartingThu, Nov 12

Last checked 1d agoChecked 20 Oct 2026, 21:00 UTC

Which program and airline costs you least

London to Portland in business class starts at 55K Atmos points plus $885.99 — British Airways through Atmos Rewards. Alaska Airlines through Atmos Rewards charges the least cash — $417.19 — but wants 175K Atmos points.

Every way to book LHR to PDX with miles or points
Airline	Program
British Airwaysvia SEAAtmos Rewards	Atmos Rewards	Fewest points55K Atmos pointsplus $885.99	$885.99
American Airlinesvia CLTAtmos Rewards	Atmos Rewards	70K Atmos pointsplus $437.19	$437.19
British AirwaysNonstoplast seen 8 Oct, not re-checked sinceBritish Airways Club	British Airways Club	99K AviosFees not quoted	Not quoted
Alaska Airlinesvia SEAAtmos Rewards	Atmos Rewards	175K Atmos pointsplus $417.19	Lowest fees$417.19

Where the space is over the next 60 days

Dashed days are prices last seen more than 3 days ago and not re-checked since.

LHR to PDX in business class: the facts

Over the next 60 days we hold business class seats from London to Portland on 57 of the 57 departure days we have checked so far (3 days are not checked yet), through 2 programs. These figures are counted from the seats stored for those dates, not from a price history; the typical day is the median of each day's cheapest seat. Data updated October 20, 2026.

Atmos Rewards
Days with space
57 of 57 checked
Lowest
55,000 Atmos points
Typical day
85,000 Atmos points
Cash on top
$414 to $886
British Airways Club
Days with space
5 of 57 checked
Lowest
99,000 Avios
Typical day
99,000 Avios
Cash on top
Not quoted

LHR to PDX business class seats per program over the next 60 days
Program	Days with space	Lowest	Typical day	Cash on top
Atmos Rewards	57 of 57 checked	55,000 Atmos points	85,000 Atmos points	$414 to $886
British Airways Club	5 of 57 checked	99,000 Avios	99,000 Avios	Not quoted

Nonstop or with a connection

Nonstop seats on British Airways. With a connection on Alaska Airlines and American Airlines.

How to book it

Atmos Rewards books on alaskaair.com: sign in there, search LHR to PDX in business class on a date with space, and pay in Atmos points with the cash on top (from $414).
British Airways Club books on avios.com: sign in there, search LHR to PDX in business class on a date with space, and pay in Avios with the cash on top.

MilesZone finds the seat; it does not book it or take payment.

More routes

Get told the moment a LHR → PDX seat opens.

We re-check that exact seat seconds before the email leaves, so what you open is still there.

Email only. Searching this route stays free for departures in the next 60 days.