Cheapest return flights from Washington to Singapore in March from $1191

Best time to book flights for Washington (DCA) to Singapore (SIN) flights at AirHint

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

Return flights

10 Mar - 20 Mar Japan Airlines
06 Mar - 26 Mar Delta
28 Mar - 17 Apr United
14 Mar - 23 Mar Delta
26 Mar - 02 Apr Cathay Pacific
12 Mar - 23 Mar Delta
01 Mar - 21 Mar Finnair
15 Mar - 22 Mar Delta
12 Mar - 22 Mar Delta
07 Mar - 13 Mar Cathay Pacific
08 Mar - 15 Mar Air Canada
21 Mar - 28 Mar Cathay Pacific

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

Skyscanner

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore