$358 Cheap Asiana Airlines flights Seattle (SEA) to Ho Chi Minh City (SGN)

Finding cheap one-way Asiana Airlines flights from SEA to SGN from $358 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $683 for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Look for Asiana Airlines flights from SEA to SGN about one month before you want to leave. The most affordable time to reserve an international flight is usually 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your itinerary and fare class, the best day of the week to book international airfare is usually Sunday. Friday can be the most expensive. Travelers who book on a Sunday can save 17% on average compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

Filter your results by "Early Morning" and "Morning" to browse the earliest flights from SEA to SGN. Heading off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

Asiana Airlines makes traveling from SEA to SGN more comfortable with top-tier customer service and a rewarding loyalty program. You even have the chance to collect points with Asiana Club. Remember to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.