Eugene (EUG) to Seattle (SEA)
Flight time
≈ 1h 16m
Bearing
10° N
Eugene (EUG) to Seattle (SEA) is 234 miles (376 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies EUG–SEA
US DOT T-100 · filed dataIn April 2026, Horizon Air operated the most departures, one of 4 carriers flying nonstop EUG–SEA; the Embraer E175 was the most common aircraft at 89% of departures; flights ran 65% full.
Departures
424
April 2026
Seats
35,813
both directions
Passengers
23,131
both directions
Load factor
64.6%
passengers ÷ seats
Who flies EUG–SEA?
Horizon Air operated the most nonstop EUG–SEA departures in April 2026 (197), one of 4 carriers on the route.
- QX
Horizon Air
197 departures · 14,972 seats
Share of departures46.5%80.5%
Load
- OO
SkyWest Airlines
181 departures · 13,054 seats
Share of departures42.7%60.4%
Load
- AS
Alaska Airlines
44 departures · 7,569 seats
Share of departures10.4%41.5%
Load
- DL
Delta Air Lines
2 departures · 218 seats
Share of departures0.5%20.2%
Load
What plane flies EUG–SEA?
In April 2026, the Embraer E175 flew 89% of EUG–SEA departures — more than any other aircraft type.
- Embraer E175
378 departures · 71.2% load
89.1% - Boeing 737-900ER
19 departures · 37.5% load
4.5% - Boeing 737-800
13 departures · 52.7% load
3.1% - Boeing 737 MAX 9
10 departures · 36.1% load
2.4% - Airbus A220-100
2 departures · 20.2% load
0.5% - Boeing 737 MAX 8
2 departures · 40.7% load
0.5%
How has EUG–SEA traffic changed?
Nonstop EUG–SEA departures fell from 464 in May 2025 to 424 in April 2026.
Monthly nonstop EUG–SEA traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
464 departures · 30,472 passengers
70.1%
Load
June 2025
481 departures · 35,580 passengers
74.9%
Load
July 2025
487 departures · 34,832 passengers
72.4%
Load
August 2025
494 departures · 35,253 passengers
72.1%
Load
September 2025
479 departures · 32,479 passengers
69.2%
Load
October 2025
435 departures · 27,165 passengers
71.0%
Load
November 2025
380 departures · 23,231 passengers
68.9%
Load
December 2025
383 departures · 23,254 passengers
66.8%
Load
January 2026
398 departures · 22,839 passengers
62.3%
Load
February 2026
370 departures · 22,200 passengers
66.0%
Load
March 2026
415 departures · 25,655 passengers
69.8%
Load
April 2026
424 departures · 23,131 passengers
64.6%
Load
By direction
The DOT files each direction separately — they rarely match.
EUG → SEA
66.6% full
212 departures · 11,924 passengers
SEA → EUG
62.5% full
212 departures · 11,207 passengers
Nonstop EUG–SEA traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Eugene (EUG) from Seattle (SEA)?
EUG to SEA is 234 miles (376 km / 203 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from EUG to SEA?
A nonstop covers the 234-mile great-circle distance in roughly 1h 16m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies EUG–SEA?
In April 2026, the Embraer E175 flew the largest share of departures (89.1%), followed by the Boeing 737-900ER (4.5%).
What mileage do I earn flying EUG–SEA?
Distance-based programs credit off the 234-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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