Find the Cheapest Flights from Washington to South Korea

Unlock the cheapest flights and the best airfares from Washington to South Korea. Make your dream trip both memorable and affordable!

Wed, Jul 15WAS-SEL
Finnair

oneway$583

Thu, Jun 4WAS-SEL
Etihad Airways

$1,228

Washington to South Korea: Flight information

Cheapest flight found$583

Cheapest month to flyJuly

Most popular airlineFinnair

Average flight duration1d 1h 42m

Cheapest flight found

Jul 2026

$583

Dec 2026

$760

Sep 2026

$827

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