Cheapest return flights from Washington to Seoul in July from $1268

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 July 2025 (see full year).

Return flights

31 Jul - 07 Aug Cathay Pacific
08 Jul - 22 Jul Cathay Pacific
03 Jul - 10 Jul Cathay Pacific
17 Jul - 07 Aug Cathay Pacific
02 Jul - 10 Jul Cathay Pacific
19 Jul - 07 Aug Cathay Pacific
15 Jul - 15 Aug Cathay Pacific
27 Jul - 18 Aug Turkish Airlines
21 Jul - 14 Aug Alaska Airlines
07 Jul - 29 Jul Cathay Pacific
25 Jul - 08 Aug Hawaiian Airlines
23 Jul - 13 Aug Cathay Pacific
30 Jul - 10 Aug Turkish Airlines
03 Jul - 06 Jul Turkish Airlines
01 Jul - 08 Jul Turkish Airlines
18 Jul - 25 Jul Air France
25 Jul - 03 Aug KLM
19 Jul - 26 Jul Air France
18 Jul - 25 Jul Korean Air direct
08 Jul - 22 Jul Korean Air direct

Also check the deals for one-way flights from Washington to Seoul in July.

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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