Cheap flights from Seattle to Melbourne

One-way fares from $675 · SEA → MEL · prices found by travellers in the last 48 hours

Compare all dates Melbourne → Seattle
Cheapest fare
$675

Cathay Pacific · Mon, Nov 16

Cheapest month
November

from $675

Direct flights
Not recently

Usually 1+ stop

Quickest trip
23h 25m

13,180 km

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Cheapest month to fly from Seattle to Melbourne

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $675

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Cathay Pacific
Depart10:25 Mon, Nov 16SEA → MEL 23h 25m · 1 stop
$675one way, per person
View deal
See every date in November 2026 →

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Getting around

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About flights from Seattle to Melbourne

Seattle (SEA) and Melbourne (MEL) are about 13,180 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 23h 25m. Over the next few months, one-way fares start from $675, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Seattle to Melbourne?

The cheapest one-way fare we've seen recently is $675 with Cathay Pacific, departing Monday, November 16, 2026.

What is the cheapest month to fly from Seattle to Melbourne?

November 2026 currently has the lowest fares, from $675 one way.

Are there direct flights from Seattle to Melbourne?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Seattle to Melbourne?

The quickest journey we've seen takes about 23h 25m. Seattle and Melbourne are around 13,180 km apart.

Which airlines fly from Seattle to Melbourne?

Recent fares on this route were with Cathay Pacific.

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