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

Return flights

23 Oct - 06 Nov	SWISS
27 Oct - 21 Nov	SWISS
25 Oct - 10 Nov	Lufthansa
27 Oct - 12 Nov	Lufthansa
18 Oct - 07 Nov	Lufthansa
22 Oct - 22 Nov	SWISS
25 Oct - 11 Nov	Lufthansa
25 Oct - 13 Nov	Lufthansa
25 Oct - 14 Nov	Lufthansa
27 Oct - 15 Nov	SWISS
12 Oct - 29 Oct	SWISS
04 Oct - 25 Oct	SWISS
06 Oct - 13 Oct	Air India
10 Oct - 20 Oct	Air India
10 Oct - 22 Oct	Air India
08 Oct - 22 Oct	Air France
08 Oct - 27 Oct	SWISS
21 Oct - 28 Oct	Air India
21 Oct - 31 Oct	Air India
24 Oct - 31 Oct	Air India

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

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Cheapest return flights from San Francisco to Delhi in October from 575€

Return flights