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

Return flights

14 Jan - 10 Feb	Delta
05 Jan - 27 Jan	Turkish Airlines
12 Jan - 25 Feb	Turkish Airlines
18 Jan - 14 Feb	Singapore Airlines
15 Jan - 25 Jan	Turkish Airlines
15 Jan - 22 Feb	Turkish Airlines
16 Jan - 25 Jan	Turkish Airlines
15 Jan - 15 Feb	United
04 Jan - 09 Feb	Turkish Airlines
21 Jan - 24 Feb	Delta
10 Jan - 20 Feb	Delta
07 Jan - 20 Feb	Delta
01 Jan - 14 Feb	Turkish Airlines
07 Jan - 14 Jan	SWISS

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 $727

Return flights