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

Return flights

07 Feb - 22 Feb	Hawaiian Airlines
11 Feb - 19 Feb	Turkish Airlines
13 Feb - 22 Feb	Turkish Airlines
09 Feb - 05 Mar	Turkish Airlines
23 Feb - 23 Mar	Frontier Airlines
13 Feb - 18 Feb	Hawaiian Airlines
16 Feb - 26 Mar	Turkish Airlines
06 Feb - 10 Feb	Turkish Airlines
02 Feb - 13 Feb	Frontier Airlines
07 Feb - 14 Feb	Hawaiian Airlines
13 Feb - 16 Feb	Turkish Airlines
16 Feb - 26 Mar	Korean Air	direct
11 Feb - 19 Feb	Delta	direct
05 Feb - 12 Feb	Delta	direct
09 Feb - 05 Mar	Delta	direct
23 Feb - 23 Mar	Delta	direct

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

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Washington to Seoul in February from 831€

Return flights