Delta flights to Singapore from Seattle

View S$506 flight on Thu, 13 Nov, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Delta flights from Seattle to Singapore (SEA→SIN)

Prices were available within the past 7 days and start at S$506 for one-way flights and S$966 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 21 Aug - Tue, 23 Sep
SEA
Seattle
SIN
Singapore
S$966 Return, found 1 day ago
S$966
Return
found 1 day ago
Select Delta flight, departing Thu, 21 Aug from Seattle to Singapore, returning Tue, 23 Sep, priced at S$966 found 1 day ago
Seattle to Singapore route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Changi
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, Delta, EVA Airways, Emirates, Japan Airlines, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines, United
Distance
12903 km
Average flight time
15 hours 20 mins
*Available to Expedia members.