Cheapest return flights from Washington to Singapore in December from $1723

AirHint found the following cheapest return flights from Washington (DCA) to Singapore (SIN) in December 2025 (see full year).

Return flights

05 Dec - 20 Dec Qatar Airways
23 Dec - 07 Jan China Airlines
19 Dec - 26 Dec jetBlue
23 Dec - 05 Jan EVA Air
19 Dec - 09 Jan Delta
22 Dec - 01 Jan China Airlines
23 Dec - 01 Jan EVA Air
20 Dec - 01 Jan Air Canada
19 Dec - 31 Dec China Airlines

Also check the deals for one-way flights from Washington to Singapore in December.

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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.

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