Delta flights to Singapore from Washington

View S$821 flight on Mon, 28 Sept, 2026Opens in a new window
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Delta flights from Washington to Singapore (IAD→SIN)

Prices were available within the past 7 days and start at S$821 for one-way flights and S$1,464 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 11 Mar - Wed, 18 Mar
IAD
Washington
SIN
Singapore
S$1,464 Return, found 4 days ago
S$1,464
Return
found 4 days ago
Select Delta flight, departing Wed, 11 Mar from Washington to Singapore, returning Wed, 18 Mar, priced at S$1,464 found 4 days ago

Find the cheapest month to fly from Washington (IAD) to Singapore (SIN)

September is typically the cheapest month to fly

From S$1,055 - S$1,503 per traveller.
Washington to Singapore route information
Origin airport
Washington Dulles Intl.
Destination airport
Changi
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, British Airways, Delta, Emirates, Ethiopian Airlines, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Swiss International Air Lines, Turkish Airlines, United
Popular airline
United
Distance
15439 km
*Available to Expedia members.