Barcelona skyline

Seattle (SEA) to Barcelona (BCN) business class award flights

Dates
Travellers and cabin

Who’s flying?

Adults12 and over
1
Cabin
Programmes
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Departure time

00:0024:00

Arrival time

00:0024:00

Flight duration
Any length

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Departure time

00:0024:00

Arrival time

00:0024:00

Flight duration
Any length
Lowest seen in the last 2 days70,000 Atmos pointsPlus fees$1,023.30ProgramAtmos RewardsAtmos RewardsAirlineBritish AirwaysBritish AirwaysDepartingTue, Nov 10
Last checked 1d agoChecked

Which program and airline costs you least

Seattle to Barcelona in business class starts at 70K Atmos points plus $1,023.30 — British Airways through Atmos Rewards. American Airlines through Atmos Rewards charges the least cash — $25.60 — but wants 85K Atmos points.

Every way to book SEA to BCN with miles or points
Airline
British AirwaysBritish Airwaysvia LHRAtmos Rewards70K Atmos pointsplus $1,023.30
Alaska AirlinesAlaska Airlinesvia PDX, LHRAtmos Rewards70K Atmos pointsplus $1,023.30
American AirlinesAmerican Airlinesvia CLT, PHLAtmos Rewards85K Atmos pointsplus $25.60
CondorCondorvia FRAlast seen 10 Oct, not re-checked sinceAtmos Rewards260K Atmos pointsplus $118.00

SEA to BCN in business class: the facts

Over the next 60 days we hold business class seats from Seattle to Barcelona on 37 of the 37 departure days we have checked so far (23 days are not checked yet), through 1 program. 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 .

  • Atmos Rewards
    Days with space
    37 of 37 checked
    Lowest
    70,000 Atmos points
    Typical day
    85,000 Atmos points
    Cash on top
    $26 to $1,023

Nonstop or with a connection

No nonstop seats in the window. With a connection on Alaska Airlines, American Airlines, British Airways and Condor.

How to book it

  1. Atmos Rewards books on alaskaair.com: sign in there, search SEA to BCN in business class on a date with space, and pay in Atmos points with the cash on top (from $26).

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

Get told the moment a SEA → BCN 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.