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

Return flights

05 Oct - 15 Nov	Delta
03 Oct - 14 Nov	Delta
03 Oct - 16 Oct	Delta
01 Oct - 10 Nov	Virgin Atlantic
06 Oct - 24 Oct	Delta
06 Oct - 23 Oct	Delta
02 Oct - 26 Nov	Delta
21 Oct - 19 Nov	Turkish Airlines
20 Oct - 05 Nov	Turkish Airlines
15 Oct - 30 Oct	Turkish Airlines
06 Oct - 30 Oct	Turkish Airlines
15 Oct - 27 Nov	Turkish Airlines
21 Oct - 11 Nov	United
15 Oct - 10 Nov	Turkish Airlines
25 Oct - 19 Nov	Turkish Airlines
10 Oct - 24 Oct	Turkish Airlines
12 Oct - 26 Oct	Turkish Airlines
11 Oct - 26 Oct	Turkish Airlines
05 Oct - 31 Oct	Virgin Atlantic

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 607€

Return flights