Cheapest return flights from Seoul to Washington in October from $865

Best time to book flights for Seoul (ICN) to Washington (IAD) flights at AirHint

AirHint found the following cheapest return flights from Seoul (ICN) to Washington (IAD) in October 2025 (see full year).

Return flights

23 Oct - 26 Oct Air Canada
16 Oct - 23 Oct Air Canada
22 Oct - 29 Oct Air Canada
20 Oct - 27 Oct Air Canada
08 Oct - 26 Oct Air Canada
11 Oct - 18 Oct Air Canada
11 Oct - 17 Oct Air Canada
23 Oct - 31 Oct United
18 Oct - 27 Oct United
04 Oct - 09 Oct United

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

Skyscanner

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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