San Luis Obispo (SBP) to Seattle (SEA)
Flight time
≈ 2h 30m
Bearing
355° N
San Luis Obispo (SBP) to Seattle (SEA) is 848 miles (1,365 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies SBP–SEA
Filed traffic dataIn June 2026, Horizon Air operated the most departures, one of 2 carriers flying nonstop SBP–SEA; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 82% full.
Departures
120
June 2026
Seats
9,120
both directions
Passengers
7,462
both directions
Load factor
81.8%
RPM ÷ ASM
Who flies SBP–SEA?
Horizon Air operated the most nonstop SBP–SEA departures in June 2026 (102), one of 2 carriers on the route.
- QX
102 departures · 7,752 seats
Share of departures85.0%81.2%
Load
- OO
18 departures · 1,368 seats
Share of departures15.0%85.3%
Load
What plane flies SBP–SEA?
In June 2026, the Embraer E175 flew 100% of SBP–SEA departures.
- Embraer E175
120 departures · 81.8% load
100.0%
How has SBP–SEA traffic changed?
Nonstop SBP–SEA departures rose from 62 in July 2025 to 120 in June 2026.
Monthly nonstop SBP–SEA traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
62 departures · 8,019 passengers
81.3%
Load
August 2025
62 departures · 7,477 passengers
76.9%
Load
September 2025
54 departures · 6,417 passengers
74.6%
Load
October 2025
60 departures · 5,949 passengers
63.1%
Load
November 2025
60 departures · 5,837 passengers
62.4%
Load
December 2025
60 departures · 6,476 passengers
69.2%
Load
January 2026
62 departures · 4,530 passengers
80.2%
Load
February 2026
56 departures · 3,947 passengers
92.7%
Load
March 2026
60 departures · 5,588 passengers
81.4%
Load
April 2026
78 departures · 7,717 passengers
81.5%
Load
May 2026
124 departures · 7,694 passengers
81.6%
Load
June 2026
120 departures · 7,462 passengers
81.8%
Load
By direction
Each direction is filed separately — they rarely match.
SBP → SEA
87.1% full
60 departures · 3,971 passengers
SEA → SBP
76.6% full
60 departures · 3,491 passengers
Nonstop SBP–SEA 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
Frequently asked
How far is San Luis Obispo (SBP) from Seattle (SEA)?
SBP to SEA is 848 miles (1,365 km / 737 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from SBP to SEA?
A nonstop covers the 848-mile great-circle distance in roughly 2h 30m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies SBP–SEA?
In June 2026, the Embraer E175 flew the largest share of departures (100.0%).
What mileage do I earn flying SBP–SEA?
Distance-based programs credit off the 848-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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