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Results refresh when you open or revisit this page. Last snapshot: Jul 16, 2026.

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Cheapest one-way flights from Washington (IAD) to Singapore (SIN), August

Select a price to book. see full year.

Dates, airline, and price
Dates	Airline	Price
17 Aug	Frontier Airlines
30 Aug	Etihad Airways
28 Aug	Etihad Airways
21 Aug	Etihad Airways
15 Aug	Etihad Airways

deals for return flights from Washington to Singapore in August.

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Updated Jul 16, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Washington (IAD) to Singapore (SIN), August

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