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

Return flights

22 Oct - 29 Oct	Air France
03 Oct - 03 Nov	Air France
01 Oct - 19 Oct	Air France
02 Oct - 19 Oct	Air France
17 Oct - 28 Oct	KLM
01 Oct - 17 Oct	Air France
10 Oct - 08 Nov	Air France
08 Oct - 24 Nov	Delta
09 Oct - 13 Nov	Delta

Also check the deals for one-way flights from Mumbai to Seattle 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 Mumbai to Seattle in October from 750€

Return flights