- Cheapest fare
- $57
- Cheapest month
- December
- Direct flights
- Yes
- Flight time
- 1h 25m
Alaska Airlines · Tue, Dec 1
from $57
Alaska Airlines
670 km
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Cheapest month to fly from San Jose to San Diego
Lowest one-way fare per person in each month. Choose a month to see every date.
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About flights from San Jose to San Diego
San Jose (SJC) and San Diego (SAN) are about 670 km apart. Direct flights take around 1h 25m, and recent direct fares were with Alaska Airlines. Over the next few months, one-way fares start from $57, and December 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from San Jose to San Diego?
The cheapest one-way fare we've seen recently is $57 with Alaska Airlines, departing Tuesday, December 1, 2026. Over the coming months, the lowest fare in each month ranges from $57 to $108.
What is the cheapest month to fly from San Jose to San Diego?
December 2026 currently has the lowest fares, from $57 one way.
Are there direct flights from San Jose to San Diego?
Yes. Recent direct fares were with Alaska Airlines.
How long is the flight from San Jose to San Diego?
A direct flight takes about 1h 25m. San Jose and San Diego are around 670 km apart.
Which airlines fly from San Jose to San Diego?
Recent fares on this route were with Frontier Airlines and Alaska Airlines.
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