Cheapest return flights from Seattle to Seoul in April from 924€

Best time to book flights for Seattle (SEA) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Seoul (ICN) in April 2025 (see full year).

Return flights

02 Apr - 09 Apr Air Canada
01 Apr - 10 Apr Air Canada
06 Apr - 16 Apr Air Canada
01 Apr - 23 Apr Air Canada
08 Apr - 15 Apr Asiana Airlines direct
10 Apr - 14 Apr Air Canada
02 Apr - 07 Apr Air Canada
01 Apr - 10 Apr Asiana Airlines direct
05 Apr - 16 Apr Air Canada
03 Apr - 13 Apr Air Canada
18 Apr - 09 May Air Canada
27 Apr - 04 May Air Canada
26 Apr - 05 May Air Canada
26 Apr - 05 May Delta direct
26 Apr - 10 May Asiana Airlines direct
18 Apr - 09 May Asiana Airlines direct
25 Apr - 04 May Air Canada
25 Apr - 30 May Air Canada
27 Apr - 04 May Delta direct
25 Apr - 04 May Delta direct

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

Skyscanner

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul