Cheap flights from Sydney to Philadelphia

Cheapest current fares: $602 in August 2026 on connecting flights.

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Live fares · SYD → PHL

Cheapest month-by-month fares

Lowest available fare per calendar month from Sydney (SYD) to Philadelphia (PHL). Refreshed daily.

Sydney (SYD) → Philadelphia (PHL)

  1. August 2026 $602

Frequently asked questions

  • What is the cheapest month to fly from Sydney to Philadelphia?

    Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Sydney (SYD) to Philadelphia (PHL), with fares starting from $602.

  • What is the lowest current fare from SYD to PHL?

    The lowest currently-listed fare from Sydney (SYD) to Philadelphia (PHL) is $602 on 2026-08-07.

  • Is there a direct flight from Sydney to Philadelphia?

    There is currently no non-stop service from SYD to PHL. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: SYD → PHL Cheapest month to fly to Philadelphia All flights from Sydney All flights to Philadelphia Flights to USA Visa-free with Australia passport