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

MAN → SEA

Lowest seen in the last 2 daysPlus fees$1,026.20Program

Atmos RewardsAirline

British AirwaysDepartingTue, Nov 10

Last checked 1d agoChecked 20 Oct 2026, 19:50 UTC

Which program and airline costs you least

Seattle to Manchester in business class starts at 55K Atmos points plus $1,026.20 — British Airways through Atmos Rewards. Alaska Airlines through Atmos Rewards charges the least cash — $29.00 — but wants 70K Atmos points.

Every way to book SEA to MAN with miles or points
Airline	Program
British Airwaysvia LHRAtmos Rewards	Atmos Rewards	Fewest points55K Atmos pointsplus $1,026.20	$1,026.20
Alaska Airlinesvia IAD, DUBAtmos Rewards	Atmos Rewards	70K Atmos pointsplus $29.00	Lowest fees$29.00
American Airlinesvia PHL, LHRAtmos Rewards	Atmos Rewards	85K Atmos pointsplus $1,535.50	$1,535.50
Delta Air Linesvia YVR, AMSlast seen 12 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	196Kplus $365.60	$365.60
Air Francevia CDGlast seen 12 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	198.5Kplus $355.10	$355.10
Aer Lingusvia DUBlast seen 9 Oct, not re-checked sinceAtmos Rewards	Atmos Rewards	250K Atmos pointsplus $30.40	$30.40

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.

SEA to MAN in business class: the facts

Over the next 60 days we hold business class seats from Seattle to Manchester 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
59 of 59 checked
Lowest
55,000 Atmos points
Typical day
250,000 Atmos points
Cash on top
$29 to $1,037
Air France-KLM Flying Blue
Days with space
19 of 59 checked
Lowest
196,000 miles
Typical day
250,000 miles
Cash on top
$355 to $370

SEA to MAN 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	250,000 Atmos points	$29 to $1,037
Air France-KLM Flying Blue	19 of 59 checked	196,000 miles	250,000 miles	$355 to $370

Nonstop or with a connection

No nonstop seats in the window. With a connection on Aer Lingus, Air France, Alaska Airlines, American Airlines, British Airways and Delta Air Lines.

How to book it

Atmos Rewards books on alaskaair.com: sign in there, search SEA to MAN in business class on a date with space, and pay in Atmos points with the cash on top (from $29).
Air France-KLM Flying Blue books on airfrance.fr: sign in there, search SEA to MAN in business class on a date with space, and pay in miles with the cash on top (from $355).

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

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Every route we watch from Seattle (SEA)

Get told the moment a SEA → MAN seat opens.

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