Birmingham (BHX) to Seattle (SEA) business class reward flights

SEA → BHX

Lowest seen in the last 8 daysPlus fees$404.99Program

Atmos RewardsAirline

Aer LingusDepartingTue, Nov 3

Last checked 7d agoChecked 14 Oct 2026, 16:15 UTC

Which program and airline costs you least

Birmingham to Seattle in business class starts at 70K Atmos points plus $404.99 — Aer Lingus through Atmos Rewards.

Every way to book BHX to SEA with miles or points
Airline	Program
Aer Lingusvia DUB, YYZlast seen 14 Oct, not re-checked sinceAtmos Rewards	Atmos Rewards	Fewest points70K Atmos pointsplus $404.99	Lowest fees$404.99
KLMvia AMS, PDXlast seen 11 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	90Kplus $796.89	$796.89
Air Francevia CDG, YVRlast seen 11 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	110.5Kplus $786.89	$786.89

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.

BHX to SEA in business class: the facts

Over the next 60 days we hold business class seats from Birmingham 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 14, 2026.

Atmos Rewards
Days with space
59 of 59 checked
Lowest
70,000 Atmos points
Typical day
70,000 Atmos points
Cash on top
$405 to $428
Air France-KLM Flying Blue
Days with space
30 of 59 checked
Lowest
90,000 miles
Typical day
231,500 miles
Cash on top
$787 to $817

BHX to SEA 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	70,000 Atmos points	70,000 Atmos points	$405 to $428
Air France-KLM Flying Blue	30 of 59 checked	90,000 miles	231,500 miles	$787 to $817

Nonstop or with a connection

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

How to book it

Atmos Rewards books on alaskaair.com: sign in there, search BHX to SEA in business class on a date with space, and pay in Atmos points with the cash on top (from $405).
Air France-KLM Flying Blue books on airfrance.fr: sign in there, search BHX to SEA in business class on a date with space, and pay in miles with the cash on top (from $787).

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

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Every route we watch from Birmingham (BHX)

Get told the moment a BHX → SEA seat opens.

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