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

Return flights

01 Oct - 20 Oct	Lufthansa
10 Oct - 17 Oct	Lufthansa
04 Oct - 11 Oct	Lufthansa
04 Oct - 18 Oct	Lufthansa
12 Oct - 16 Nov	Lufthansa
01 Oct - 31 Oct	Lufthansa
12 Oct - 19 Oct	Lufthansa
01 Oct - 08 Oct	Lufthansa
03 Oct - 10 Oct	Lufthansa
05 Oct - 09 Nov	Lufthansa
03 Oct - 21 Oct	Lufthansa
10 Oct - 26 Oct	Lufthansa
03 Oct - 04 Nov	Lufthansa
10 Oct - 02 Nov	Lufthansa
06 Oct - 07 Nov	Virgin Atlantic
12 Oct - 12 Nov	Lufthansa
03 Oct - 08 Nov	Lufthansa
07 Oct - 03 Nov	SWISS
09 Oct - 18 Nov	Lufthansa
03 Oct - 10 Nov	Lufthansa

Also check the deals for one-way flights from Seattle 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 Seattle to Delhi in October from $676

Return flights