AirHint found the following cheapest return flights from Manila (MNL) to San Francisco (SFO) in September 2025 (see full year).

Return flights

15 Sep - 22 Sep	Cathay Pacific
08 Sep - 23 Sep	Cathay Pacific
23 Sep - 30 Sep	Cathay Pacific
11 Sep - 15 Sep	Cathay Pacific
01 Sep - 06 Sep	Cathay Pacific
03 Sep - 17 Sep	Cathay Pacific
04 Sep - 08 Sep	Cathay Pacific
23 Sep - 14 Oct	Cathay Pacific
22 Sep - 13 Oct	Cathay Pacific
04 Sep - 19 Sep	Cathay Pacific
15 Sep - 30 Sep	Cathay Pacific
03 Sep - 10 Sep	Cathay Pacific
15 Sep - 06 Oct	Cathay Pacific
26 Sep - 17 Oct	China Airlines
06 Sep - 29 Oct	China Airlines
18 Sep - 09 Oct	China Airlines
21 Sep - 12 Oct	China Airlines
28 Sep - 02 Oct	China Airlines
13 Sep - 18 Oct	Cathay Pacific
02 Sep - 10 Oct	EVA Air

Also check the deals for one-way flights from Manila to San Francisco 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.

Book a cheap hotel in San Francisco

Cheap car rent in San Francisco

Cheapest return flights from Manila to San Francisco in September from 516€

Return flights