Cheapest return DAL–SJO flights, May

AirHint found the following cheapest return flights from Dallas (DAL) to San Jose (SJO) in May 2026 (see full year).

Return flights

06 May - 12 May Southwest Airlines
13 May - 20 May Southwest Airlines
01 May - 12 May Southwest Airlines
22 May - 28 May Southwest Airlines
08 May - 10 May Southwest Airlines
02 May - 16 May Southwest Airlines
14 May - 18 May Southwest Airlines
25 May - 29 May Southwest Airlines
04 May - 11 May Southwest Airlines
11 May - 19 May Southwest Airlines
28 May - 01 Jun Southwest Airlines

Also check the deals for one-way flights from Dallas to San Jose in May.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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