San Diego (SAN) to San Luis Obispo (SBP)
Flight time
≈ 1h 20m
Bearing
312° NW
San Diego (SAN) to San Luis Obispo (SBP) is 263 miles (423 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies SAN–SBP
US DOT T-100 · filed dataIn April 2026, SkyWest Airlines operated the most departures, one of 2 carriers flying nonstop SAN–SBP; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 75% full.
Departures
120
April 2026
Seats
9,120
both directions
Passengers
6,858
both directions
Load factor
75.2%
passengers ÷ seats
Who flies SAN–SBP?
SkyWest Airlines operated the most nonstop SAN–SBP departures in April 2026 (60), one of 2 carriers on the route.
- OO
SkyWest Airlines
60 departures · 4,560 seats
Share of departures50.0%72.2%
Load
- QX
Horizon Air
60 departures · 4,560 seats
Share of departures50.0%78.3%
Load
What plane flies SAN–SBP?
In April 2026, the Embraer E175 flew 100% of SAN–SBP departures.
- Embraer E175
120 departures · 75.2% load
100.0%
How has SAN–SBP traffic changed?
Nonstop SAN–SBP departures fell from 124 in May 2025 to 120 in April 2026.
Monthly nonstop SAN–SBP traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
124 departures · 7,599 passengers
80.6%
Load
June 2025
118 departures · 6,992 passengers
78.0%
Load
July 2025
117 departures · 6,627 passengers
74.5%
Load
August 2025
123 departures · 6,818 passengers
71.7%
Load
September 2025
107 departures · 5,757 passengers
70.8%
Load
October 2025
117 departures · 6,657 passengers
74.9%
Load
November 2025
107 departures · 5,813 passengers
71.5%
Load
December 2025
116 departures · 5,829 passengers
66.1%
Load
January 2026
116 departures · 5,903 passengers
67.0%
Load
February 2026
110 departures · 6,322 passengers
75.6%
Load
March 2026
118 departures · 6,843 passengers
76.3%
Load
April 2026
120 departures · 6,858 passengers
75.2%
Load
By direction
The DOT files each direction separately — they rarely match.
SAN → SBP
74.1% full
60 departures · 3,380 passengers
SBP → SAN
76.3% full
60 departures · 3,478 passengers
Nonstop SAN–SBP 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 San Diego (SAN) from San Luis Obispo (SBP)?
SAN to SBP is 263 miles (423 km / 228 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from SAN to SBP?
A nonstop covers the 263-mile great-circle distance in roughly 1h 20m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies SAN–SBP?
In April 2026, the Embraer E175 flew the largest share of departures (100.0%).
What mileage do I earn flying SAN–SBP?
Distance-based programs credit off the 263-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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