# Southampton (SOU) to Phoenix (PHX) business class reward flights

Source: https://miles.zone/routes/sou-phx
Data updated: 2026-10-18T11:34:11.687Z
Cash amounts are in US dollars.

Fewest points: 88,000 miles plus $823 on KLM through Air France-KLM Flying Blue, departing 2026-12-10.

## 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) | 400,000 Atmos points | $408 | via DUB, SFO, SAN | 2026-11-21 | 18 Oct 2026, 11:34 UTC |
| KLM | [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) (Light fare) | 88,000 miles | $823 | via AMS, CDG | 2026-12-10 | 9 Oct 2026, 04:03 UTC |

## Route facts

Over the next 60 days we hold business class seats from Southampton to Phoenix on 28 of the 28 departure days we have checked so far (32 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 |
| --- | --- | --- | --- | --- |
| [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) | 25 of 28 checked | 88,000 miles | 250,000 miles | $791 to $825 |
| [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 3 of 28 checked | 400,000 Atmos points | 400,000 Atmos points | $408 |

No nonstop seats in the window.
With a connection on Aer Lingus and KLM.

## How to book it

1. [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) books on airfrance.fr: sign in there, search SOU to PHX in business class on a date with space, and pay in miles with the cash on top (from $791).
2. [Atmos Rewards](https://miles.zone/programs/atmos-rewards) books on alaskaair.com: sign in there, search SOU to PHX in business class on a date with space, and pay in Atmos points with the cash on top (from $408).

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

## More routes from Southampton

- [Algiers (ALG)](https://miles.zone/routes/sou-alg)
- [Amsterdam (AMS)](https://miles.zone/routes/sou-ams)
- [Paris (CDG)](https://miles.zone/routes/sou-cdg)
- [Oran (ORN)](https://miles.zone/routes/sou-orn)
- [Tunis (TUN)](https://miles.zone/routes/sou-tun)
- [Manama (BAH)](https://miles.zone/routes/sou-bah)
- [Boston (BOS)](https://miles.zone/routes/sou-bos)
- [Washington (IAD)](https://miles.zone/routes/sou-iad)
- [Tel Aviv (TLV)](https://miles.zone/routes/sou-tlv)
- [Beirut (BEY)](https://miles.zone/routes/sou-bey)
- [Chennai (MAA)](https://miles.zone/routes/sou-maa)
- [Colombo (CMB)](https://miles.zone/routes/sou-cmb)

## More routes to Phoenix

- [Burbank (BUR)](https://miles.zone/routes/bur-phx)
- [Denver (DEN)](https://miles.zone/routes/den-phx)
- [Los Angeles (LAX)](https://miles.zone/routes/lax-phx)
- [Ontario (ONT)](https://miles.zone/routes/ont-phx)
- [Reno (RNO)](https://miles.zone/routes/rno-phx)
- [San Diego (SAN)](https://miles.zone/routes/san-phx)
- [San Luis Obispo (SBP)](https://miles.zone/routes/sbp-phx)
- [San Francisco (SFO)](https://miles.zone/routes/sfo-phx)
- [San Jose (SJC)](https://miles.zone/routes/sjc-phx)
- [Salt Lake City (SLC)](https://miles.zone/routes/slc-phx)
- [Sacramento (SMF)](https://miles.zone/routes/smf-phx)
- [Santa Rosa (STS)](https://miles.zone/routes/sts-phx)