Find the Cheapest Flights from Boston to South Korea

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

Tue, Apr 7BOS-SEL
Frontier Airlines

oneway$627

Sat, May 23BOS-PUS
Etihad Airways

oneway$764

Boston to South Korea: Flight information

Cheapest flight found$627

Cheapest month to flyApril

Most popular airlineFrontier Airlines

Average flight duration2d 1h 25m

Cheapest flight found

Apr 2026

$627

May 2026

$645

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