AirHint found the following cheapest return flights from Delhi (DEL) to San Francisco (SFO) in October 2025 (see full year).

Return flights

14 Oct - 22 Oct	Air India
01 Oct - 08 Oct	Air India	direct
11 Oct - 18 Nov	Air India
04 Oct - 03 Nov	Air India
05 Oct - 04 Nov	Air India
21 Oct - 02 Nov	Vietnam Airlines
15 Oct - 30 Nov	Turkish Airlines
09 Oct - 21 Oct	Cathay Pacific
16 Oct - 23 Oct	Cathay Pacific
01 Oct - 31 Oct	Cathay Pacific
06 Oct - 25 Oct	Cathay Pacific
20 Oct - 15 Nov	Cathay Pacific
10 Oct - 17 Oct	Air India
04 Oct - 31 Oct	Air India
11 Oct - 18 Oct	Air India
07 Oct - 14 Oct	Air India
14 Oct - 13 Nov	Delta
09 Oct - 08 Nov	Air India
10 Oct - 09 Nov	Air India
12 Oct - 11 Nov	Air India

Also check the deals for one-way flights from Delhi to San Francisco in October.

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 Delhi to San Francisco in October from $793

Return flights