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Boston (BOS) to Madrid (MAD) business class award flights

In business class from Boston (BOS) to Madrid (MAD), the best value is also the fewest miles: 55,000 Atmos points plus $29 on Aer Lingus through Atmos Rewards (checked 1 Nov 2026).

MAD → BOS
DateDates
CabinTravellers

Who’s flying?

Adults12 and over
1
Cabin
Best value seen in the last 2 days55,000 Atmos pointsPlus fees$29.00ProgramAtmos RewardsAtmos RewardsAirlineAer LingusAer LingusDepartingSat, Dec 5
Last checked 1d agoChecked

Which program and airline costs you least

Boston to Madrid in business class: is 55K Atmos points + $29.00 — Aer Lingus through Atmos Rewards.

Every way to book BOS to MAD with miles or points
Airline
Aer LingusAer LingusBest valuevia DUBAtmos Rewards55K Atmos pointsplus $29.00
American AirlinesAmerican Airlinesvia CLTAtmos Rewards70K Atmos pointsplus $25.60
Seen earlier, not re-checked since
Delta Air LinesDelta Air Linesvia JFKlast seen 30 Oct, not re-checked sinceDelta SkyMiles125Kplus $5.60
British AirwaysBritish Airwaysvia LHRlast seen 24 Oct, not re-checked sinceAtmos Rewards55K Atmos pointsplus $1,023.40

Where the space is over the next 60 days

November
Tue355KWed4499.9KThu5499.9KFri6499.9KSat7250KSun8499.9KMon970KTue1070KWed1170KThu12357.1KFri13499.9KSat1470KSun15250KMon1655KTue1770KWed18332.5KThu19499.9KFri20499.9KSat21499.9KSun22250KMon2355KTue24307.5KWed2555KThu2655KFri2755KSat28125KSun29297.5KMon3055K
December
Tue155KWed255KThu370KFri4297.5KSat555KSun6250KMon755KTue870KWed9250KThu1055KFri11250KSat12125KSun13250KMon1455KTue15272.5KWed16272.5KThu17297.5KFri18499.9KSat19499.9KSun20499.9KMon21277.5KTue22252.5KWed23252.5KThu24277.5KFri25499.9KSat26499.9KSun27499.9KMon28150KTue29125KWed3055KThu3155K
January
Fri1150K

Dashed days are prices last seen more than 3 days ago and not re-checked since.

BOS to MAD in business class: the facts

Over the next 60 days we hold business class seats from Boston to Madrid on 60 of the 60 departure days, 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 .

  • Atmos Rewards
    Days with space
    33 of 60
    Lowest
    55,000 Atmos points
    Typical day
    55,000 Atmos points
    Cash on top
    $26 to $1,023
  • Delta SkyMiles
    Days with space
    60 of 60
    Lowest
    125,000 miles
    Typical day
    297,500 miles
    Cash on top
    $6 to $55

Nonstop or with a connection

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

How to book it

  1. Atmos Rewards books on alaskaair.com: sign in there, search BOS to MAD in business class on a date with space, and pay in Atmos points with the cash on top (from $26).
  2. Delta SkyMiles books on delta.com: sign in there, search BOS to MAD in business class on a date with space, and pay in miles with the cash on top (from $6).

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

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