Seattle (SEA) to Taoyuan (TPE)
Flight time
≈ 12h 56m
Bearing
306° NW
Seattle (SEA) to Taoyuan (TPE) is 6,063 miles (9,757 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies SEA–TPE
Filed traffic dataIn June 2026, Eva Airways operated the most departures, one of 4 carriers flying nonstop SEA–TPE; the Airbus A350-900 was the most common aircraft at 48% of departures; flights ran 87% full.
Departures
248
June 2026
Seats
78,132
both directions
Passengers
68,094
both directions
Load factor
87.2%
RPM ÷ ASM
Who flies SEA–TPE?
Eva Airways operated the most nonstop SEA–TPE departures in June 2026 (86), one of 4 carriers on the route.
- BR
Eva Airways
86 departures · 29,412 seats
Share of departures34.7%87.7%
Load
- JX
STARLUX AIRLINES
60 departures · 18,360 seats
Share of departures24.2%84.4%
Load
- DL
58 departures · 16,966 seats
Share of departures23.4%88.7%
Load
- CI
China Airlines
44 departures · 13,394 seats
Share of departures17.7%87.8%
Load
What plane flies SEA–TPE?
In June 2026, the Airbus A350-900 flew 48% of SEA–TPE departures — more than any other aircraft type.
- Airbus A350-900
118 departures · 86.5% load
47.6% - Boeing 787-10
86 departures · 87.7% load
34.7% - Airbus A350-1000
44 departures · 87.8% load
17.7%
How has SEA–TPE traffic changed?
Nonstop SEA–TPE departures fell from 274 in July 2025 to 248 in June 2026.
Monthly nonstop SEA–TPE traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
274 departures · 70,154 passengers
81.4%
Load
August 2025
270 departures · 69,861 passengers
82.5%
Load
September 2025
257 departures · 56,112 passengers
69.9%
Load
October 2025
253 departures · 58,963 passengers
73.7%
Load
November 2025
250 departures · 58,427 passengers
73.4%
Load
December 2025
257 departures · 61,414 passengers
75.4%
Load
January 2026
257 departures · 65,356 passengers
80.1%
Load
February 2026
232 departures · 60,337 passengers
82.0%
Load
March 2026
255 departures · 74,548 passengers
92.5%
Load
April 2026
246 departures · 64,432 passengers
82.8%
Load
May 2026
256 departures · 70,500 passengers
87.1%
Load
June 2026
248 departures · 68,094 passengers
87.2%
Load
By direction
Each direction is filed separately — they rarely match.
SEA → TPE
87.5% full
124 departures · 34,210 passengers
TPE → SEA
86.8% full
124 departures · 33,884 passengers
Nonstop SEA–TPE traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 2026; filings from 2025. Public domain (US Government work).
The airports
Taoyuan
TW
Taiwan Taoyuan International Airport
Coordinates
25.08°N, 121.23°E
Hemisphere
N · E
Frequently asked
How far is Seattle (SEA) from Taoyuan (TPE)?
SEA to TPE is 6,063 miles (9,757 km / 5,268 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from SEA to TPE?
A nonstop covers the 6,063-mile great-circle distance in roughly 12h 56m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies SEA–TPE?
In June 2026, the Airbus A350-900 flew the largest share of departures (47.6%), followed by the Boeing 787-10 (34.7%).
What mileage do I earn flying SEA–TPE?
Distance-based programs credit off the 6,063-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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