Manchester (MAN) to Seattle (SEA) business class reward flights

SEA → MAN

Lowest seen in the last 2 daysPlus fees$890.79Program

Atmos RewardsAirline

British AirwaysDepartingWed, Nov 11

Last checked 1d agoChecked 20 Oct 2026, 20:17 UTC

Which program and airline costs you least

Manchester to Seattle in business class starts at 55K Atmos points plus $890.79 — British Airways through Atmos Rewards. Aer Lingus through Atmos Rewards charges the least cash — $411.89 — but wants 70K Atmos points.

Every way to book MAN to SEA with miles or points
Airline	Program
British Airwaysvia LHRAtmos Rewards	Atmos Rewards	Fewest points55K Atmos pointsplus $890.79	$890.79
Aer Lingusvia DUB, YYZAtmos Rewards	Atmos Rewards	70K Atmos pointsplus $411.89	Lowest fees$411.89
Finnairvia HEL, LAXlast seen 9 Oct, not re-checked sinceAtmos Rewards	Atmos Rewards	85K Atmos pointsplus $422.99	$422.99
KLMvia AMS, YVRlast seen 18 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	119Kplus $792.79	$792.79
Air Francevia CDG, YVRlast seen 18 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	119Kplus $792.89	$792.89

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.

MAN to SEA in business class: the facts

Over the next 60 days we hold business class seats from Manchester to Seattle 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 20, 2026.

Atmos Rewards
Days with space
56 of 59 checked
Lowest
55,000 Atmos points
Typical day
70,000 Atmos points
Cash on top
$412 to $902
Air France-KLM Flying Blue
Days with space
57 of 59 checked
Lowest
119,000 miles
Typical day
201,500 miles
Cash on top
$793 to $823

MAN to SEA business class seats per program over the next 60 days
Program	Days with space	Lowest	Typical day	Cash on top
Atmos Rewards	56 of 59 checked	55,000 Atmos points	70,000 Atmos points	$412 to $902
Air France-KLM Flying Blue	57 of 59 checked	119,000 miles	201,500 miles	$793 to $823

Nonstop or with a connection

No nonstop seats in the window. With a connection on Aer Lingus, Air France, British Airways, Finnair and KLM.

How to book it

Atmos Rewards books on alaskaair.com: sign in there, search MAN to SEA in business class on a date with space, and pay in Atmos points with the cash on top (from $412).
Air France-KLM Flying Blue books on airfrance.fr: sign in there, search MAN to SEA in business class on a date with space, and pay in miles with the cash on top (from $793).

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

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Every route we watch from Manchester (MAN)

Get told the moment a MAN → SEA seat opens.

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