AirHint found the following cheapest return flights from Seattle (SEA) to Delhi (DEL) in January 2026 (see full year).

Return flights

16 Jan - 23 Jan	Lufthansa
16 Jan - 25 Jan	Lufthansa
18 Jan - 25 Jan	Lufthansa
28 Jan - 27 Feb	SWISS
28 Jan - 14 Feb	SWISS
14 Jan - 11 Feb	SWISS
16 Jan - 09 Feb	Lufthansa
30 Jan - 14 Feb	Lufthansa
23 Jan - 21 Feb	Lufthansa
23 Jan - 28 Feb	Lufthansa
23 Jan - 27 Feb	Lufthansa
23 Jan - 25 Feb	Lufthansa
30 Jan - 18 Feb	Lufthansa
17 Jan - 31 Jan	Lufthansa
14 Jan - 27 Jan	Turkish Airlines
04 Jan - 30 Jan	Turkish Airlines
16 Jan - 27 Jan	Delta
02 Jan - 30 Jan	Turkish Airlines
02 Jan - 22 Jan	Lufthansa
01 Jan - 09 Jan	Lufthansa

Also check the deals for one-way flights from Seattle to Delhi in January.

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 January from 601€

Return flights