Cheapest return IAD–ICN flights, July

AirHint found the following cheapest return flights from Washington (IAD) to Seoul (ICN) in July 2026 (see full year).

Return flights

13 Jul - 31 Jul Air Premia direct
17 Jul - 26 Jul Air Premia direct
01 Jul - 22 Jul Air Premia direct
03 Jul - 19 Jul Alaska Airlines
12 Jul - 23 Jul Frontier Airlines
27 Jul - 12 Aug Alaska Airlines
08 Jul - 15 Jul Frontier Airlines
21 Jul - 01 Aug Frontier Airlines
22 Jul - 28 Jul Frontier Airlines
06 Jul - 17 Jul Alaska Airlines
17 Jul - 24 Jul Frontier Airlines
18 Jul - 25 Jul Frontier Airlines
20 Jul - 02 Aug Alaska Airlines
22 Jul - 04 Aug Turkish Airlines
27 Jul - 12 Aug Air Premia direct
29 Jul - 05 Aug United
20 Jul - 02 Aug Air Premia direct
29 Jul - 15 Aug Emirates
15 Jul - 05 Aug Emirates
30 Jul - 08 Aug Emirates

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

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