Is one-way cheaper than a return ticket?

It depends on the route and dates — sometimes booking two separate one-ways (possibly with different airlines) beats a return fare, sometimes a return is cheaper even if you only need one direction. Compare both directly rather than assuming.

What's the cheapest day to fly one-way from Melbourne to Seattle?

We don't have enough real fare data yet to identify a cheapest weekday for this route.

Which airlines fly this route?

We don't have confirmed airline data for this route yet.

Can I book a one-way ticket with any airline?

Yes — nearly all airlines sell one-way tickets, though low-cost carriers are typically built around one-way pricing by default, while some full-service airlines price one-ways closer to half the return fare rather than a genuine discount.

Search Melbourne → Seattle

Compare flights, hotels, cars, and activities for this trip in one place.

500+airlines & travel sites compared

1,200+routes tracked

€0booking fees from us

One-Way Flights: Melbourne to Seattle

Find one-way flights from Melbourne to Seattle. No return ticket needed. Flight time: 15h 59m.

One-way vs return tickets: Melbourne to Seattle

One-way flights on the Melbourne to Seattle route can sometimes be cheaper than booking a return, particularly if you're flexible on the return date or plan to fly back from a different city. Compare the real one-way fares below against a return search to see which works out cheaper for your dates.