AirHint found the following cheapest return flights from Washington (IAD) to Singapore (SIN) in February 2026 (see full year).

Return flights

16 Feb - 04 Mar	Etihad Airways
16 Feb - 24 Feb	Etihad Airways
24 Feb - 11 Mar	Etihad Airways
19 Feb - 21 Mar	Etihad Airways
21 Feb - 21 Mar	Etihad Airways
20 Feb - 20 Mar	Etihad Airways
19 Feb - 14 Mar	Etihad Airways
15 Feb - 28 Feb	IndiGo
13 Feb - 20 Feb	SWISS
21 Feb - 14 Mar	Etihad Airways
19 Feb - 15 Mar	Etihad Airways
20 Feb - 15 Mar	Frontier Airlines
20 Feb - 21 Mar	Frontier Airlines
12 Feb - 27 Feb	Royal Jordanian
12 Feb - 19 Feb	Royal Jordanian

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

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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Cheapest return flights from Washington to Singapore in February from 766€

Return flights