Cheapest one-way flights from Washington to Singapore in January from $5889
AirHint found the following cheapest one-way flights from Washington (DCA) to Singapore (SIN) in January 2025 (see full year).
One-Way flights
| 24 Jan | British Airways |
Also check the deals for return flights from Washington to Singapore in January.
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.
