Seattle to Perth (SEA–PER) — Airlines, Schedules & Connections

SEA Airport Page →
airlines 0/wk
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Flight Schedule 0 flights
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  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
Seattle to Perth
Connecting service available through multiple hubs.
+14h ahead 8 1-stop hubs

While no nonstop service exists between SEA and PER, connecting options are available through 8 hubs.

Also explore SEA Routes PER Routes SEA Live Flights PER Live Flights SEA Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SEA to PER.
1-STOP
One-Stop Connections
8
Hubs
~20h
Fastest
~39h
Longest
HKG ~20h 20m SIN ~23h 12m CDG ~28h 5m DXB ~31h 50m MNL ~34h 3m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
418
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
SEA → PER
56%
Frequent delays expected. Consider flexible booking.
Departing
56%
Return
PER → SEA
94%
Generally reliable. Most flights run on time.
Arriving
94%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SEA delays →
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+14h
Perth is 14 hours ahead of Seattle.
SEA: MDT · PER: AWST

When it's 6:00 PM in Seattle, it's 8:00 AM (next day) in Perth.
Visa & Entry

US passport holders must obtain an Electronic Travel Authority (ETA) before boarding. Apply through the Australian ETA app (subclass 601). The ETA costs AUD 20, is valid for 12 months with multiple entries, and allows stays of up to 90 days per visit. Processing is usually instant. Passport must be valid for at least 6 months beyond the date of entry.

Verify entry requirements with official sources before travel.
Getting to SEA

Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).

Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.

Facts

SEA–PER Quick Facts

Key statistics for the Seattle to Perth route.
Route details
Time difference+14 hours
Airlines (nonstop)0
1-stop connections8 hubs
Origin: SEA
Full nameSeattle–Tacoma International Airport
IATA / ICAOSEA / KSEA
TimezoneAmerica/Boise
Passengers/yr52.6M
Elevation433 ft / 132 m
Destination: PER
Full namePerth International Airport
IATA / ICAOPER / YPPH
TimezoneAustralia/Perth
Passengers/yr23.0M
Elevation67 ft / 20 m
FAQ

Frequently Asked Questions

Common questions about SEA to PER flights.
Yes, 1-stop connections are available through HKG, SIN, CDG, DXB, MNL, DOH, LHR and NRT. These options provide additional schedule flexibility.
Perth is 14 hours ahead of Seattle.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Connecting Options and Alternatives

8 one-stop connections are available, with the fastest taking approximately 20 hours via HKG. Two-stop connections are also available via intermediate hubs.