Cheapest return flights from Portland to San Jose in September from 62€
AirHint found the following cheapest return flights from Portland (PDX) to San Jose (SJC)
in September 2025 (see full year ).
Return flights
10 Sep
- 17 Sep
Alaska Airlines
62 €
direct
11 Sep
- 15 Sep
Southwest Airlines
66 €
direct
09 Sep
- 16 Sep
Spirit Airlines
74 €
09 Sep
- 10 Sep
Spirit Airlines
74 €
09 Sep
- 17 Sep
Spirit Airlines
74 €
09 Sep
- 23 Sep
Spirit Airlines
82 €
09 Sep
- 18 Sep
Spirit Airlines
82 €
08 Sep
- 16 Sep
Spirit Airlines
82 €
08 Sep
- 10 Sep
Spirit Airlines
82 €
08 Sep
- 17 Sep
Spirit Airlines
82 €
16 Sep
- 06 Oct
Spirit Airlines
105 €
15 Sep
- 06 Oct
Spirit Airlines
120 €
16 Sep
- 03 Oct
Spirit Airlines
120 €
22 Sep
- 06 Oct
Spirit Airlines
120 €
15 Sep
- 03 Oct
Spirit Airlines
134 €
22 Sep
- 03 Oct
Spirit Airlines
134 €
12 Sep
- 03 Oct
Spirit Airlines
149 €
22 Sep
- 13 Oct
Spirit Airlines
155 €
28 Sep
- 06 Oct
Spirit Airlines
181 €
28 Sep
- 03 Oct
Spirit Airlines
196 €
Also check the deals for one-way flights from Portland to San Jose in September .
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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