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Compare pricesFlights from Seattle to Perth
SEA → PER · compared across 9 travel sites
- Flight time
- from 19h 39m nonstop
- Distance
- 14,872 km
- Typical one-way
- See live fares
Compare Seattle → Perth prices on 9 travel sites
Add your dates and open the same search on each travel site to find the cheapest fare. You book directly with the provider.
Booking.com
Straightforward flight search backed by a global travel brand.
Compare pricesAgoda
Flight + hotel bundles that can beat booking separately.
Compare pricesKayak
One of the largest flight metasearch engines worldwide.
Compare pricesKiwi.com
Virtual interlining specialist that mixes airlines creatively.
Compare pricesExpedia
Global OTA giant with package deals and member prices.
Compare pricesSkyscanner
The benchmark flight metasearch — “search everywhere”.
Compare pricesPriceline
Long-standing US OTA with express deals for flights.
Compare pricesMomondo
Kayak-family metasearch known for winning price comparisons.
Compare pricesFares auto-collected from partner search results on 2026-09-02 (one-way, economy).
Seattle → Perth route guide
The Seattle (SEA) to Perth (PER) route covers roughly 14,872 km, with an estimated flight time of about 19h 39m for a nonstop service. Compare the travel sites above to find the best fare for your dates — availability and prices differ between them.
Departures use Seattle–Tacoma; arrivals use Perth. Both airports handle the route with regular schedules, so same-day connections and day trips are realistic options.
Seattle → Perth flight FAQ
How long is the flight from Seattle to Perth?
Nonstop flights from Seattle to Perth take about 19h 39m. The route covers approximately 14,872 km.
How do I find the cheapest flights from Seattle to Perth?
Compare the same dates across the 9 travel sites listed above — their fares differ by provider. Midweek departures, flexible dates and booking a few weeks ahead usually help.
Are there direct flights from Seattle to Perth?
Direct availability changes by season and carrier. The estimated nonstop flight time is about 19h 39m; one-stop options are widely available.