Boston skyline

Dublin (DUB) to Boston (BOS) business class reward flights

In business class from Dublin (DUB) to Boston (BOS), the best value is also the fewest miles: 45,000 Atmos points plus $62 on Aer Lingus through Atmos Rewards (checked 3 Nov 2026).

DateDates
CabinTravellers

Who’s flying?

Adults12 and over
1
Cabin
Best value right now45,000 Atmos pointsPlus fees$62.29ProgramAtmos RewardsAtmos RewardsAirlineAer LingusAer LingusDepartingSat, Nov 7
Last checked 2h agoChecked

Which program and airline costs you least

Dublin to Boston in business class: is 45K Atmos points + $62.29 — Aer Lingus through Atmos Rewards.

Every way to book DUB to BOS with miles or points
Airline
Aer LingusAer LingusBest valueNonstopAtmos Rewards45K Atmos pointsplus $62.29
American AirlinesAmerican Airlinesvia PHLAtmos Rewards45K Atmos pointsplus $67.89
British AirwaysBritish Airwaysvia LHRAtmos Rewards45K Atmos pointsplus $349.79
Delta Air LinesDelta Air LinesNonstopDelta SkyMiles265Kplus $42.33
Air FranceAir Francevia CDGDelta SkyMiles265Kplus $72.75
SASSASvia CPHDelta SkyMiles290Kplus $50.92
KLMKLMvia AMS, LHRDelta SkyMiles405Kplus $1,013.13
Seen earlier, not re-checked since
Aer LingusAer LingusNonstoplast seen 27 Oct, not re-checked sinceBritish Airways Club50K AviosFees not quoted, about $62
IberiaIberiavia MADlast seen 27 Oct, not re-checked sinceBritish Airways Club57K AviosFees not quoted
British AirwaysBritish Airwaysvia LHRlast seen 27 Oct, not re-checked sinceBritish Airways Club104.5K AviosFees not quoted, about $1,003

DUB to BOS in business class: the facts

Over the next 60 days we hold business class seats from Dublin to Boston on 59 of the 59 departure days we have checked so far (1 day is not checked yet), through 3 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
    48 of 59 checked
    Lowest
    45,000 Atmos points
    Typical day
    45,000 Atmos points
    Cash on top
    $62 to $1,003
  • British Airways Club
    Days with space
    32 of 59 checked
    Lowest
    50,000 Avios
    Typical day
    50,000 Avios
    Cash on top
    Not quoted
  • Delta SkyMiles
    Days with space
    59 of 59 checked
    Lowest
    265,000 miles
    Typical day
    405,000 miles
    Cash on top
    $42 to $48

Nonstop or with a connection

Nonstop seats on Aer Lingus and Delta Air Lines. With a connection on Air France, American Airlines, British Airways, Iberia, KLM and SAS.

How to book it

  1. Atmos Rewards books on alaskaair.com: sign in there, search DUB to BOS in business class on a date with space, and pay in Atmos points with the cash on top (from $62).
  2. British Airways Club books on avios.com: sign in there, search DUB to BOS in business class on a date with space, and pay in Avios with the cash on top.
  3. Delta SkyMiles books on delta.com: sign in there, search DUB to BOS in business class on a date with space, and pay in miles with the cash on top (from $42).

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

Get told when a DUB → BOS seat is cheap.

We re-check that exact seat seconds before the email leaves, so what you open is still there.

Email only. Alerts and search are Pro.