Cheapest return flights from Washington (IAD) to Seoul (ICN), July

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
31 Jul 21 Aug WestJet
31 Jul 21 Aug Air Premia
Direct Flight
19 Jul 16 Aug Porter Airlines (Canada) Ltd
13 Jul 20 Aug Allegiant Air
13 Jul 20 Jul Air Premia
Direct Flight
28 Jul 11 Aug Frontier Airlines
31 Jul 05 Aug Air Premia
Direct Flight
31 Jul 14 Aug Air Premia
Direct Flight
16 Jul 27 Aug Hawaiian Airlines
26 Jul 08 Aug Frontier Airlines
25 Jul 08 Aug Allegiant Air
08 Jul 15 Jul Air Premia
Direct Flight
08 Jul 17 Jul Air Premia
Direct Flight
13 Jul 21 Jul Air Premia
14 Jul 29 Jul Frontier Airlines
17 Jul 31 Jul Air Premia
Direct Flight
10 Jul 31 Jul Frontier Airlines
05 Jul 13 Jul Hawaiian Airlines
08 Jul 23 Jul Air Premia
10 Jul 31 Jul Air Premia
Direct Flight
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deals for one-way flights from Washington to Seoul in July.

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Updated Jul 4, 2026.

About these fares

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