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

Return flights

29 Nov - 30 Dec	Turkish Airlines
30 Nov - 30 Dec	Turkish Airlines
25 Nov - 30 Dec	Turkish Airlines
09 Nov - 16 Nov	Alaska Airlines
09 Nov - 14 Nov	Turkish Airlines
27 Nov - 30 Dec	Turkish Airlines
09 Nov - 29 Nov	Turkish Airlines
13 Nov - 21 Nov	Turkish Airlines
24 Nov - 30 Dec	Turkish Airlines
25 Nov - 29 Dec	Turkish Airlines
30 Nov - 12 Dec	Qatar Airways
09 Nov - 16 Nov	Air Premia	direct
09 Nov - 29 Nov	Air Premia	direct
28 Nov - 30 Dec	Air France
13 Nov - 21 Nov	Delta	direct
30 Nov - 30 Dec	Delta	direct
25 Nov - 30 Dec	Delta	direct
09 Nov - 14 Nov	Delta	direct

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

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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Cheapest return flights from Washington to Seoul in November from 969€

Return flights