Cheap flights from Seoul to Ho Chi Minh City (ICN to SGN) from $420

Book at the right time: For international flights, aim to book 6–10 weeks ahead. Last-minute fares on Seoul to Ho Chi Minh City are rarely cheap, and prices spike sharply within 2 weeks of departure.

Shift your dates by a day or two: Mid-week departures (Tuesday–Wednesday) are almost always cheaper than weekend flights. Even shifting by one day can make a meaningful difference.

Weigh up connecting flights: Connecting flights on Seoul to Ho Chi Minh City can be 20–40% cheaper than direct options. If you have time to spare, it's worth comparing.

Factor in baggage fees: Low-cost carriers on this route often advertise attractive base fares but charge separately for checked luggage. Always compare the all-in price — a $20 cheaper fare plus $50 baggage fee is no saving. Korean Air and Air China may have different inclusions, so check each airline's fare conditions.

Search in private browsing: Some booking sites use cookies to track repeat searches and may show higher prices after multiple lookups. Use an incognito or private window — or just use Booked AI, which pulls live prices without any tracking markup.

Compare two one-ways against a return: On some international routes, booking a one-way with one airline and the return with another can undercut a standard return ticket — especially if a budget carrier covers one direction. Check both options with the flexible dates calendar above.

The cheapest flights from Seoul to Ho Chi Minh City start from $420, with typical prices ranging from $420 to $720.

The typical flight time from Seoul to Ho Chi Minh City is approximately 11 hours and 12 minutes.

Airlines operating this route include Korean Air, Air China, Malaysia Airlines, Singapore Airlines, China Southern Airlines, Philippine Airlines, Shandong Airlines, VietJet Air, Cathay Pacific, Vietnam Airlines, China Eastern Airlines, FlexFlight, Hong Kong Airlines, Asiana Airlines, EVA Air, China Airlines, Thai Airways.