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

In business class from Madrid (MAD) to Boston (BOS), the best value is also the fewest miles: 55,000 Atmos points plus $73 on American Airlines through Atmos Rewards (checked 1 Nov 2026).

Source: https://miles.zone/routes/mad-bos
Data updated: 2026-11-01T18:47:02.433Z
Cash amounts are in US dollars.

Best value: 55,000 Atmos points plus $73 on American Airlines through Atmos Rewards, departing 2026-11-03.

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

| Airline | Program | Points | Cash on top | Routing | Departs | Checked |
| --- | --- | --- | --- | --- | --- | --- |
| American Airlines | [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 55,000 Atmos points | $73 | via PHL | 2026-11-03 | 1 Nov 2026, 18:46 UTC |
| Aer Lingus | [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 55,000 Atmos points | $75 | via DUB | 2026-11-18 | 1 Nov 2026, 18:47 UTC |
| British Airways | [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 55,000 Atmos points | $1,096 | via LHR | 2026-11-04 | 1 Nov 2026, 18:46 UTC |
| Qatar Airways | [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 255,000 Atmos points | $104 | via DOH | 2026-11-05 | 1 Nov 2026, 18:46 UTC |
| Delta Air Lines | [Delta SkyMiles](https://miles.zone/programs/delta-skymiles) | 275,000 miles | $53 | via JFK | 2026-11-24 | 29 Oct 2026, 17:40 UTC |
| KLM | [Delta SkyMiles](https://miles.zone/programs/delta-skymiles) | 275,000 miles | $70 | via AMS | 2026-11-23 | 29 Oct 2026, 17:40 UTC |
| Air France | [Delta SkyMiles](https://miles.zone/programs/delta-skymiles) | 275,000 miles | $75 | via CDG, JFK | 2026-12-15 | 29 Oct 2026, 22:49 UTC |

## Route facts

Over the next 60 days we hold business class seats from Madrid to Boston on 58 of the 58 departure days we have checked so far (2 days are 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.

| Program | Days with space | Lowest | Typical day | Cash on top |
| --- | --- | --- | --- | --- |
| [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 50 of 58 checked | 55,000 Atmos points | 55,000 Atmos points | $73 to $1,096 |
| [Delta SkyMiles](https://miles.zone/programs/delta-skymiles) | 58 of 58 checked | 275,000 miles | 325,000 miles | $53 to $111 |

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

## How to book it

1. [Atmos Rewards](https://miles.zone/programs/atmos-rewards) books on alaskaair.com: sign in there, search MAD to BOS in business class on a date with space, and pay in Atmos points with the cash on top (from $73).
2. [Delta SkyMiles](https://miles.zone/programs/delta-skymiles) books on delta.com: sign in there, search MAD to BOS in business class on a date with space, and pay in miles with the cash on top (from $53).

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

## More routes from Madrid

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

## More routes to Boston

- [London (LHR)](https://miles.zone/routes/lhr-bos)
- [Amsterdam (AMS)](https://miles.zone/routes/ams-bos)
- [Paris (CDG)](https://miles.zone/routes/cdg-bos)
- [Dublin (DUB)](https://miles.zone/routes/dub-bos)
- [Edinburgh (EDI)](https://miles.zone/routes/edi-bos)
- [Frankfurt (FRA)](https://miles.zone/routes/fra-bos)
- [Manchester (MAN)](https://miles.zone/routes/man-bos)
- [Barcelona (BCN)](https://miles.zone/routes/bcn-bos)
- [Rome (FCO)](https://miles.zone/routes/fco-bos)
- [Munich (MUC)](https://miles.zone/routes/muc-bos)
- [London (LGW)](https://miles.zone/routes/lgw-bos)
- [Doha (DOH)](https://miles.zone/routes/doh-bos)