Cheapest return flights from Washington (DCA) to Singapore (SIN), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
24 Sep 01 Oct Air Canada
01 Sep 08 Sep Japan Airlines
01 Sep 09 Sep Japan Airlines
18 Sep 30 Sep Korean Air
09 Sep 24 Sep Cathay Pacific
05 Sep 18 Sep Japan Airlines
24 Sep 09 Oct Japan Airlines
01 Sep 13 Sep Japan Airlines
02 Sep 18 Sep Japan Airlines
20 Sep 27 Sep British Airways
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deals for one-way flights from Washington to Singapore in September.

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Updated Aug 25, 2026.

About these fares

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