AirHint found the following cheapest return flights from Delhi (DEL) to San Francisco (SFO) in April 2026 (see full year).

Return flights

08 Apr - 19 May	Air India
07 Apr - 23 Apr	Vietnam Airlines
04 Apr - 26 Apr	Vietnam Airlines
21 Apr - 10 May	Vietnam Airlines
23 Apr - 30 Apr	Air India
28 Apr - 05 May	Air India
28 Apr - 13 May	Air India
18 Apr - 28 Apr	Air India
23 Apr - 08 May	Delta
28 Apr - 09 May	Delta
29 Apr - 14 May	Delta
26 Apr - 06 May	Delta
04 Apr - 25 Apr	Vietnam Airlines
02 Apr - 02 May	Cathay Pacific
15 Apr - 05 May	Cathay Pacific
17 Apr - 24 Apr	Singapore Airlines
04 Apr - 13 Apr	Singapore Airlines
10 Apr - 30 Apr	Singapore Airlines
01 Apr - 15 Apr	Singapore Airlines
02 Apr - 20 Apr	Delta

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

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 Delhi to San Francisco in April from $622

Return flights