$351 Cheap Singapore Airlines flights Singapore (SIN) to Busan (PUS)

Finding cheap one-way Singapore Airlines flights from SIN to PUS from $351 on Expedia is a breeze — just filter by "Price (lowest to highest)." Or check out our affordable return fares from $434 for your next exciting adventure.**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.

Check for Singapore Airlines flights from SIN to PUS about one month before you want to go. The cheapest time to book an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. Regardless of itinerary or fare class, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Passengers booking 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.

The first Singapore Airlines flight from SIN to PUS departs at 11:30PM UTC+8, arriving at 6:35AM UTC+9. If you'd like to head off later, the last Singapore Airlines flight leaves SIN at 11:30PM UTC+8 and lands at PUS at 6:35AM UTC+9. Flying before midday is often a wise choice as morning flights are less likely to be canceled.**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.

Traveling from SIN to PUS with Singapore Airlines means enjoying a range of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to spend on select future travel purchases. That's on top of the Singapore Airlines KrisFlyer points you can earn with Singapore Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.