Cheapest return flights from Washington to Seoul in April from 764€

Best time to book flights for Washington (IAD) to Seoul (ICN) flights at AirHint

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

Return flights

02 Apr - 09 Apr Turkish Airlines
07 Apr - 11 Apr Turkish Airlines
06 Apr - 23 Apr Hawaiian Airlines
05 Apr - 23 Apr Hawaiian Airlines
01 Apr - 22 Apr Hawaiian Airlines
29 Apr - 06 May Turkish Airlines
09 Apr - 17 Apr Hawaiian Airlines
08 Apr - 15 Apr Hawaiian Airlines
09 Apr - 20 Apr Alaska Airlines
15 Apr - 22 Apr Air Canada
14 Apr - 21 Apr Air Canada
28 Apr - 05 May Air Canada
24 Apr - 01 May Air Canada
27 Apr - 04 May Air Canada
17 Apr - 01 May Alaska Airlines
30 Apr - 07 May Air Canada
25 Apr - 02 May Air Canada
26 Apr - 03 May Air Canada
17 Apr - 01 May Korean Air direct
26 Apr - 10 May Alaska Airlines

Also check the deals for one-way flights from Washington 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.

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