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

LHR → PDX

Lowest seen in the last 2 daysPlus fees$1,004.00Program

Atmos RewardsAirline

Alaska AirlinesDepartingTue, Nov 10

Last checked 1d agoChecked 20 Oct 2026, 18:26 UTC

Which program and airline costs you least

Portland to London in business class starts at 55K Atmos points plus $1,004.00 — Alaska Airlines through Atmos Rewards. American Airlines through Atmos Rewards charges the least cash — $25.60 — but wants 70K Atmos points.

Every way to book PDX to LHR with miles or points
Airline	Program
Alaska Airlinesvia SEAAtmos Rewards	Atmos Rewards	Fewest points55K Atmos pointsplus $1,004.00	$1,004.00
British AirwaysNonstopAtmos Rewards	Atmos Rewards	55K Atmos pointsplus $1,004.00	$1,004.00
American Airlinesvia DFWAtmos Rewards	Atmos Rewards	70K Atmos pointsplus $25.60	Lowest fees$25.60
British AirwaysNonstopBritish Airways Club	British Airways Club	99K AviosFees not quoted	Not quoted

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.

PDX to LHR in business class: the facts

Over the next 60 days we hold business class seats from Portland to London on 59 of the 59 departure days we have checked so far (1 day is 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 21, 2026.

Atmos Rewards
Days with space
59 of 59 checked
Lowest
55,000 Atmos points
Typical day
150,000 Atmos points
Cash on top
$6 to $1,524
British Airways Club
Days with space
13 of 59 checked
Lowest
99,000 Avios
Typical day
99,000 Avios
Cash on top
Not quoted

PDX to LHR business class seats per program over the next 60 days
Program	Days with space	Lowest	Typical day	Cash on top
Atmos Rewards	59 of 59 checked	55,000 Atmos points	150,000 Atmos points	$6 to $1,524
British Airways Club	13 of 59 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 PDX to LHR in business class on a date with space, and pay in Atmos points with the cash on top (from $6).
British Airways Club books on avios.com: sign in there, search PDX to LHR 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

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Every route we watch from Portland (PDX)

Get told the moment a PDX → LHR seat opens.

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