Cheapest return flights from Washington to Seoul in June from $1111

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

Return flights

05 Jun - 21 Jun WestJet
05 Jun - 08 Jul WestJet
09 Jun - 23 Jun Frontier Airlines
01 Jun - 21 Jun Lufthansa
15 Jun - 23 Jun WestJet
05 Jun - 30 Jun WestJet
01 Jun - 30 Jun Lufthansa
01 Jun - 18 Jun Lufthansa
10 Jun - 24 Jun Lufthansa
04 Jun - 11 Jun Porter Airlines (Canada) Ltd
30 Jun - 07 Jul Alaska Airlines
29 Jun - 10 Jul Alaska Airlines
29 Jun - 06 Jul Alaska Airlines
20 Jun - 29 Jun Lufthansa
05 Jun - 20 Jul WestJet
24 Jun - 24 Jul Air Canada
11 Jun - 02 Jul Porter Airlines (Canada) Ltd
19 Jun - 12 Jul WestJet
24 Jun - 24 Jul Air Premia direct
05 Jun - 20 Jul Air Premia direct

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.