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

Return flights

30 Apr - 28 May	Delta
08 Apr - 28 May	Delta
15 Apr - 28 May	Delta
20 Apr - 04 May	Delta
21 Apr - 05 May	Delta
14 Apr - 06 May	Delta
13 Apr - 13 May	Delta
07 Apr - 26 May	Delta
08 Apr - 13 May	Delta
26 Apr - 27 May	Delta
09 Apr - 20 Apr	Singapore Airlines
04 Apr - 29 Apr	Singapore Airlines
18 Apr - 28 Apr	Delta
07 Apr - 23 Apr	Delta
15 Apr - 22 Apr	Delta
05 Apr - 20 Apr	Singapore Airlines
03 Apr - 29 Apr	Singapore Airlines
02 Apr - 26 Apr	Singapore Airlines
01 Apr - 30 Apr	Turkish Airlines
03 Apr - 20 Apr	Turkish Airlines

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

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 April from $652

Return flights