# Sydney (SYD) to Seattle (SEA) business class award flights

Source: https://miles.zone/routes/syd-sea
Data updated: 2026-10-14T16:00:29.109Z
Cash amounts are in US dollars.

Fewest points: 85,000 Atmos points plus $115 on American Airlines through Atmos Rewards, departing 2026-10-30.

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

| Airline | Program | Points | Cash on top | Routing | Departs | Checked |
| --- | --- | --- | --- | --- | --- | --- |
| Air Canada | [LifeMiles](https://miles.zone/programs/lifemiles) | 90,000 miles | $58 | via YVR | 2026-10-22 | 12 Oct 2026, 18:56 UTC |
| Alaska Airlines | [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 175,000 Atmos points | $95 | via HNL | 2026-11-08 | 13 Oct 2026, 02:57 UTC |
| American Airlines | [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 85,000 Atmos points | $115 | via LAX | 2026-10-30 | 14 Oct 2026, 16:00 UTC |
| Qantas | [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 85,000 Atmos points | $116 | via YVR | 2026-11-02 | 13 Oct 2026, 02:56 UTC |
| United Airlines | [LifeMiles](https://miles.zone/programs/lifemiles) | 90,000 miles | $121 | via LAX | 2026-10-27 | 12 Oct 2026, 19:00 UTC |
| Fiji Airways | [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 85,000 Atmos points | $128 | via NAN, YVR | 2026-10-27 | 14 Oct 2026, 15:59 UTC |

## Route facts

Over the next 60 days we hold business class seats from Sydney to Seattle on 56 of the 56 departure days we have checked so far (4 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) | 55 of 56 checked | 85,000 Atmos points | 400,000 Atmos points | $95 to $134 |
| [LifeMiles](https://miles.zone/programs/lifemiles) | 18 of 56 checked | 90,000 miles | 90,000 miles | $58 to $121 |

No nonstop seats in the window.
With a connection on Air Canada, Alaska Airlines, American Airlines, Fiji Airways, Qantas and United Airlines.

## How to book it

1. [Atmos Rewards](https://miles.zone/programs/atmos-rewards) books on alaskaair.com: sign in there, search SYD to SEA in business class on a date with space, and pay in Atmos points with the cash on top (from $95).
2. [LifeMiles](https://miles.zone/programs/lifemiles) books on lifemiles.com: sign in there, search SYD to SEA in business class on a date with space, and pay in miles with the cash on top (from $58).

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

## More routes from Sydney

- [Tokyo (HND)](https://miles.zone/routes/syd-hnd)
- [Hong Kong (HKG)](https://miles.zone/routes/syd-hkg)
- [Tokyo (NRT)](https://miles.zone/routes/syd-nrt)
- [London (LGW)](https://miles.zone/routes/syd-lgw)
- [Rome (FCO)](https://miles.zone/routes/syd-fco)
- [Frankfurt (FRA)](https://miles.zone/routes/syd-fra)
- [Munich (MUC)](https://miles.zone/routes/syd-muc)
- [Bangkok (BKK)](https://miles.zone/routes/syd-bkk)
- [Dallas (DFW)](https://miles.zone/routes/syd-dfw)
- [New York (JFK)](https://miles.zone/routes/syd-jfk)
- [San Francisco (SFO)](https://miles.zone/routes/syd-sfo)
- [Vancouver (YVR)](https://miles.zone/routes/syd-yvr)

## More routes to Seattle

- [Paris (CDG)](https://miles.zone/routes/cdg-sea)
- [Amsterdam (AMS)](https://miles.zone/routes/ams-sea)
- [Dublin (DUB)](https://miles.zone/routes/dub-sea)
- [Edinburgh (EDI)](https://miles.zone/routes/edi-sea)
- [Frankfurt (FRA)](https://miles.zone/routes/fra-sea)
- [London (LHR)](https://miles.zone/routes/lhr-sea)
- [Manchester (MAN)](https://miles.zone/routes/man-sea)
- [Munich (MUC)](https://miles.zone/routes/muc-sea)
- [Barcelona (BCN)](https://miles.zone/routes/bcn-sea)
- [Madrid (MAD)](https://miles.zone/routes/mad-sea)
- [Doha (DOH)](https://miles.zone/routes/doh-sea)
- [Dubai (DXB)](https://miles.zone/routes/dxb-sea)