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

Return flights

01 Oct - 11 Oct	Virgin Atlantic
01 Oct - 12 Oct	Virgin Atlantic
02 Oct - 13 Oct	KLM
31 Oct - 22 Nov	Delta
22 Oct - 18 Nov	Virgin Atlantic
24 Oct - 14 Nov	Virgin Atlantic
24 Oct - 23 Nov	Virgin Atlantic
11 Oct - 14 Oct	British Airways
15 Oct - 17 Nov	Air France
16 Oct - 17 Nov	British Airways
19 Oct - 31 Oct	British Airways
17 Oct - 25 Oct	KLM

Also check the deals for one-way flights from Washington 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 Washington to Delhi in October from 615€

Return flights