Direct flights from San Francisco to San Diego SFO → SAN
Alaska Airlines, Southwest Airlines, United Airlines and Frontier Airlines operate nonstop flights from San Francisco (SFO) to San Diego (SAN). The nonstop flight takes around ~0h 54m, covering 447 miles (719 km) and operates multiple daily. Round-trip fares currently start at $56, with a typical fare around $162 across 122 recent fare combinations. Updated 28 June 2026.
60-day flexibility overview based on 122 recent fares across the next 60 days
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Alaska Airlines
AS
Frontier Airlines
F9
Southwest Airlines
WN
United Airlines
UA
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Frequently asked questions
Is there a direct flight from San Francisco to San Diego?
Yes, Alaska Airlines, Southwest Airlines and 2 more airlines operate nonstop flights from San Francisco (SFO) to San Diego (SAN).
Which airlines fly direct from San Francisco to San Diego?
Alaska Airlines, Southwest Airlines, United Airlines, Frontier Airlines operate nonstop flights from San Francisco to San Diego.
How long is the flight from San Francisco to San Diego?
The nonstop flight from San Francisco to San Diego takes ~0h 54m (approximately 719 km).
How often do direct flights operate from San Francisco to San Diego?
Nonstop flights from San Francisco to San Diego operate multiple daily.
How much is a round-trip flight from San Francisco to San Diego?
Round-trip flights from San Francisco (SFO) to San Diego (SAN) start at $56, with a typical fare around $162. Based on 122 recent fare combinations.