AirHint found the following cheapest one-way flights from San Francisco (SFO) to Delhi (DEL) in September 2025 (see full year).

One-Way flights

01 Sep	Singapore Airlines
06 Sep	Singapore Airlines
30 Sep	Singapore Airlines
24 Sep	Singapore Airlines
09 Sep	Singapore Airlines
02 Sep	Singapore Airlines
07 Sep	Singapore Airlines
23 Sep	Singapore Airlines
10 Sep	Singapore Airlines
21 Sep	Singapore Airlines

Also check the deals for return flights from San Francisco to Delhi 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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Cheapest one-way flights from San Francisco to Delhi in September from $338

One-Way flights