AirHint found the following cheapest one-way flights from Seattle (SEA) to Ho Chi Minh City (SGN) in December 2025 (see full year).
One-Way flights
| 30 Dec | Philippine Airlines | ||
| 10 Dec | Alaska Airlines | ||
| 13 Dec | Alaska Airlines | ||
| 21 Dec | Malaysia Airlines | ||
| 22 Dec | Malaysia Airlines | ||
| 20 Dec | Alaska Airlines | ||
| 19 Dec | Korean Air |
Also check the deals for return flights from Seattle to Ho Chi Minh City in December.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
Find us on social media