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

Return flights

10 Jan - 26 Feb	Delta
22 Jan - 29 Jan	Lufthansa
19 Jan - 31 Jan	Lufthansa
20 Jan - 27 Jan	Virgin Atlantic
24 Jan - 31 Jan	Virgin Atlantic
28 Jan - 04 Feb	Virgin Atlantic
26 Jan - 02 Feb	Lufthansa
18 Jan - 25 Jan	Lufthansa
23 Jan - 15 Feb	Lufthansa
14 Jan - 31 Jan	SWISS
14 Jan - 21 Jan	Lufthansa
16 Jan - 23 Jan	Lufthansa
28 Jan - 18 Feb	SWISS
14 Jan - 11 Feb	SWISS
14 Jan - 18 Feb	SWISS
28 Jan - 14 Feb	SWISS
23 Jan - 21 Feb	Lufthansa
23 Jan - 28 Feb	Lufthansa
18 Jan - 24 Jan	Lufthansa
12 Jan - 31 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 $672

Return flights