Cheap flights from San Jose, California to San Diego from $64 SJC → CLD, SAN

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $83 to $157.

At $167, the cheapest return found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 7-night return fares leaving within 3 days of 7 Dec to compare.

Every date we hold

62 fares on 10 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $113.

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $48 to $72.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

Yes. Among one-way fares leaving within 3 days of 12 Dec, 9 Dec costs $59: $5 less than the cheapest found recently.

Alaska Airlines · Norman Y. Mineta San Jose International Airport (SJC) → San Diego International Airport (SAN) · nonstop · found 3 days ago

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Every date we hold

4 fares on 4 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $59.

Return

Fares 30 to 59 days before departure were typically 68% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 14 to 29 days before departure were typically 75% lower than 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from San Jose to San Diego?

The cheapest return found recently is $167 with Southwest Airlines, 7 Dec to 14 Dec, found 2 days ago. The cheapest return we hold, of any age, is $113 with Alaska Airlines, 7 Dec to 14 Dec, found 8 days ago. The cheapest return fare on each of 10 departure dates is usually $177 to $393.

How much is a one-way flight from San Jose to San Diego?

The cheapest one-way found recently is $64 with Alaska Airlines, 12 Dec, found 2 days ago. The cheapest one-way we hold, of any age, is $59 with Alaska Airlines, 9 Dec, found 3 days ago. The cheapest one-way fare on each of 4 departure dates is usually $63 to $88.

What is the cheapest month to fly from San Jose to San Diego?

December 2026 is the cheapest month for a return, from $113, 7 Dec to 14 Dec, found 8 days ago. It is the cheapest month for a one-way too, from $59, 9 Dec, found 3 days ago.

How far ahead should I book a flight from San Jose to San Diego?

In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 68% lower than 0 to 6 days before departure. One-way fares 14 to 29 days before departure were typically 75% lower than 0 to 6 days before departure.

Is there a direct flight from San Jose to San Diego?

Yes, the cheapest nonstop return found recently is $167 with Southwest Airlines, 7 Dec to 14 Dec, found 2 days ago. The cheapest nonstop one-way found recently is $64 with Alaska Airlines, 12 Dec, found 2 days ago.

How long is the flight from San Jose to San Diego?

The cheapest nonstop one-way found recently, with Alaska Airlines on 12 Dec, takes 1 h 26 min from Norman Y. Mineta San Jose International Airport (SJC) to San Diego International Airport (SAN).

Which airlines have the cheapest flights from San Jose to San Diego?

Between 16 Nov and 2 Mar 2027, Alaska Airlines has the cheapest return on 8 of the 10 departure dates we hold, Frontier Airlines on 1 and Southwest Airlines on 1. Between 1 Dec and 30 Jun 2027, Alaska Airlines has the cheapest one-way on all 4 departure dates we hold.