Every popular route from San Diego International in one place: who flies it nonstop, when it is cheapest, and today's verified fare drops.
San Diego International (SAN) had nonstop flights to 87 destinations on 17 passenger airlines in spring and summer 2026, flown by Southwest, Alaska, United, Delta, American and others, plus long-haul nonstops to London, Munich, Amsterdam and Tokyo. Fares on the same route can swing by hundreds of dollars from month to month. The pages below show the nonstop airlines, flight time, cheapest months and how far ahead to book for the most-searched routes from San Diego, plus any live fare drop we've verified.
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