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

Return flights

30 May - 25 Jun	Vietnam Airlines
13 May - 18 May	Air India
23 May - 30 May	Vietnam Airlines
16 May - 02 Jun	Lufthansa
19 May - 23 Jun	Virgin Atlantic
14 May - 16 Jun	Korean Air
09 May - 23 May	Delta
02 May - 16 May	Delta
29 May - 15 Jun	Delta
29 May - 16 Jun	Delta
01 May - 03 Jun	Lufthansa
27 May - 17 Jun	Virgin Atlantic
12 May - 09 Jun	Korean Air
01 May - 01 May	Air India
10 May - 30 May	Air India
05 May - 11 Jun	Delta

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

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 May from $683

Return flights