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
29 Oct - 20 Nov	Virgin Atlantic
24 Oct - 16 Nov	Delta
07 Oct - 22 Oct	Virgin Atlantic
06 Oct - 16 Nov	Virgin Atlantic
24 Oct - 31 Oct	Delta
24 Oct - 14 Nov	Virgin Atlantic
07 Oct - 26 Oct	United
31 Oct - 15 Nov	Virgin Atlantic
09 Oct - 20 Oct	Air Canada
11 Oct - 24 Oct	United
03 Oct - 18 Oct	United
08 Oct - 17 Oct	Virgin Atlantic
02 Oct - 09 Oct	British Airways
03 Oct - 14 Oct	Virgin Atlantic
15 Oct - 15 Nov	Delta
14 Oct - 14 Nov	Virgin Atlantic
22 Oct - 02 Nov	Qatar Airways
21 Oct - 02 Nov	Qatar Airways
28 Oct - 09 Nov	Air Canada

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 690€

Return flights