# London (LHR) to San Juan (SJU) business class reward flights

Source: https://miles.zone/routes/lhr-sju
Data updated: 2026-10-14T18:31:15.484Z
Cash amounts are in US dollars.

Fewest points: 70,000 Atmos points plus $434 on American Airlines through Atmos Rewards, departing 2026-11-04.

## 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) | 70,000 Atmos points | $434 | via JFK, MIA | 2026-11-04 | 14 Oct 2026, 18:31 UTC |

## Route facts

Over the next 60 days we hold business class seats from London to San Juan on 3 of the 3 departure days we have checked so far (57 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.

| Program | Days with space | Lowest | Typical day | Cash on top |
| --- | --- | --- | --- | --- |
| [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 3 of 3 checked | 70,000 Atmos points | 70,000 Atmos points | $434 |

No nonstop seats in the window.
With a connection on American Airlines.

## How to book it

1. [Atmos Rewards](https://miles.zone/programs/atmos-rewards) books on alaskaair.com: sign in there, search LHR to SJU in business class on a date with space, and pay in Atmos points with the cash on top (from $434).

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

## More routes from London

- [Frankfurt (FRA)](https://miles.zone/routes/lhr-fra)
- [Munich (MUC)](https://miles.zone/routes/lhr-muc)
- [Zurich (ZRH)](https://miles.zone/routes/lhr-zrh)
- [Amsterdam (AMS)](https://miles.zone/routes/lhr-ams)
- [Barcelona (BCN)](https://miles.zone/routes/lhr-bcn)
- [Paris (CDG)](https://miles.zone/routes/lhr-cdg)
- [Dublin (DUB)](https://miles.zone/routes/lhr-dub)
- [Edinburgh (EDI)](https://miles.zone/routes/lhr-edi)
- [Rome (FCO)](https://miles.zone/routes/lhr-fco)
- [Madrid (MAD)](https://miles.zone/routes/lhr-mad)
- [Manchester (MAN)](https://miles.zone/routes/lhr-man)
- [Tel Aviv (TLV)](https://miles.zone/routes/lhr-tlv)

## More routes to San Juan

- [Edinburgh (EDI)](https://miles.zone/routes/edi-sju)
- [New York (JFK)](https://miles.zone/routes/jfk-sju)
- [San Diego (SAN)](https://miles.zone/routes/san-sju)
- [Seattle (SEA)](https://miles.zone/routes/sea-sju)
- [Paris (CDG)](https://miles.zone/routes/cdg-sju)
- [Amsterdam (AMS)](https://miles.zone/routes/ams-sju)