United flights to Singapore from Washington

View S$889 flight on Wed, 10 Sep, 2025Opens in a new window

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United flights from Washington to Singapore (IAD→SIN)

Prices were available within the past 7 days and start at S$889 for one-way flights and S$1,558 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 10 Sep - Thu, 25 Sep
IAD
Washington
SIN
Singapore
S$1,558 Return, found 1 hour ago
S$1,558
Return
found 1 hour ago
Select United flight, departing Wed, 10 Sep from Washington to Singapore, returning Thu, 25 Sep, priced at S$1,558 found 1 hour ago
Washington to Singapore route information
Origin airport
Washington Dulles Intl.
Destination airport
Changi
Airlines serving
Air Canada, Air China, Air France, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, Delta, Emirates, Ethiopian Airlines, Etihad Airways, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, United
Popular airline
Turkish Airlines
Distance
15439 km
*Available to Expedia members.