# Boston (BOS) to Dublin (DUB) business class award flights

In business class from Boston (BOS) to Dublin (DUB), the best value is also the fewest miles: 45,000 Atmos points plus $26 on Aer Lingus through Atmos Rewards (checked 3 Nov 2026).

Source: https://miles.zone/routes/bos-dub
Data updated: 2026-11-03T06:34:32.743Z
Cash amounts are in US dollars.

Best value: 45,000 Atmos points plus $26 on Aer Lingus through Atmos Rewards, departing 2026-11-22.

## Every program and airline that can book it, next 60 days

| Airline | Program | Points | Cash on top | Routing | Departs | Checked |
| --- | --- | --- | --- | --- | --- | --- |
| Aer Lingus | [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 45,000 Atmos points | $26 | Nonstop | 2026-11-22 | 3 Nov 2026, 06:34 UTC |
| Aer Lingus | [British Airways Club](https://miles.zone/programs/british-airways-club) | 50,000 Avios | Not quoted (about $26) | Nonstop | 2026-11-09 | 26 Oct 2026, 14:21 UTC |
| American Airlines | [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 45,000 Atmos points | $26 | via PHL | 2026-11-06 | 3 Nov 2026, 06:34 UTC |
| Delta Air Lines | [Delta SkyMiles](https://miles.zone/programs/delta-skymiles) | 125,000 miles | $6 | Nonstop | 2026-11-17 | 3 Nov 2026, 04:55 UTC |
| British Airways | [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 45,000 Atmos points | $1,018 | via LHR | 2026-11-03 | 3 Nov 2026, 06:33 UTC |
| British Airways | [British Airways Club](https://miles.zone/programs/british-airways-club) | 104,500 Avios | Not quoted (about $1,018) | via LHR | 2026-11-03 | 27 Oct 2026, 02:41 UTC |
| Air France | [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) (Standard fare) | 700,000 miles | $354 | via CDG | 2026-12-18 | 3 Nov 2026, 05:49 UTC |
| KLM | [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) (Standard fare) | 700,000 miles | $365 | via AMS | 2026-12-18 | 3 Nov 2026, 05:49 UTC |

## Route facts

Over the next 60 days we hold business class seats from Boston to Dublin on 60 of the 60 departure days, through 4 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.

| Program | Days with space | Lowest | Typical day | Cash on top |
| --- | --- | --- | --- | --- |
| [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 32 of 60 | 45,000 Atmos points | 45,000 Atmos points | $26 to $1,018 |
| [British Airways Club](https://miles.zone/programs/british-airways-club) | 21 of 60 | 50,000 Avios | 50,000 Avios | Not quoted |
| [Delta SkyMiles](https://miles.zone/programs/delta-skymiles) | 60 of 60 | 125,000 miles | 307,500 miles | $6 to $35 |
| [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) | 1 of 60 | 700,000 miles | 700,000 miles | $354 |

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

## How to book it

1. [Atmos Rewards](https://miles.zone/programs/atmos-rewards) books on alaskaair.com: sign in there, search BOS to DUB in business class on a date with space, and pay in Atmos points with the cash on top (from $26).
2. [British Airways Club](https://miles.zone/programs/british-airways-club) books on avios.com: sign in there, search BOS to DUB in business class on a date with space, and pay in Avios with the cash on top.
3. [Delta SkyMiles](https://miles.zone/programs/delta-skymiles) books on delta.com: sign in there, search BOS to DUB in business class on a date with space, and pay in miles with the cash on top (from $6).
4. [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) books on airfrance.fr: sign in there, search BOS to DUB in business class on a date with space, and pay in miles with the cash on top (from $354).

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

## More routes from Boston

- [Amsterdam (AMS)](https://miles.zone/routes/bos-ams)
- [Paris (CDG)](https://miles.zone/routes/bos-cdg)
- [Edinburgh (EDI)](https://miles.zone/routes/bos-edi)
- [Frankfurt (FRA)](https://miles.zone/routes/bos-fra)
- [London (LHR)](https://miles.zone/routes/bos-lhr)
- [Manchester (MAN)](https://miles.zone/routes/bos-man)
- [Rome (FCO)](https://miles.zone/routes/bos-fco)
- [Madrid (MAD)](https://miles.zone/routes/bos-mad)
- [Doha (DOH)](https://miles.zone/routes/bos-doh)
- [Tokyo (NRT)](https://miles.zone/routes/bos-nrt)
- [Bangkok (BKK)](https://miles.zone/routes/bos-bkk)
- [London (LGW)](https://miles.zone/routes/bos-lgw)

## More routes to Dublin

- [London (LHR)](https://miles.zone/routes/lhr-dub)
- [Doha (DOH)](https://miles.zone/routes/doh-dub)
- [New York (EWR)](https://miles.zone/routes/ewr-dub)
- [Washington (IAD)](https://miles.zone/routes/iad-dub)
- [New York (JFK)](https://miles.zone/routes/jfk-dub)
- [Toronto (YYZ)](https://miles.zone/routes/yyz-dub)
- [Dallas (DFW)](https://miles.zone/routes/dfw-dub)
- [Miami (MIA)](https://miles.zone/routes/mia-dub)
- [Chicago (ORD)](https://miles.zone/routes/ord-dub)
- [Seattle (SEA)](https://miles.zone/routes/sea-dub)
- [Los Angeles (LAX)](https://miles.zone/routes/lax-dub)
- [San Francisco (SFO)](https://miles.zone/routes/sfo-dub)