AirHint found the following cheapest return flights from Singapore (SIN) to Seattle (SEA) in June 2026 (see full year).
Return flights
| 04 Jun - 18 Jun | STARLUX Airlines | ||
| 04 Jun - 18 Jun | Singapore Airlines | direct |
Also check the deals for one-way flights from Singapore to Seattle in June.
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