Seattle to Singapore
Business Class Flights from Seattle (SEA) to Singapore (SIN)
From / Private Deal
$2,655 *
round-trip, per person

Airlines flying Seattle to Singapore
Singapore Airlines and Delta operate this nonstop, both fitting a lie-flat seat with direct aisle access for the ultra-long-haul crossing between the Pacific Northwest and Changi's Southeast Asia hub.
More premium routes from Seattle
Compare this Singapore fare against Seattle business class routes to Manila, Cebu, Clark, and Hong Kong.
Seattle to Singapore.
Quick Route Facts
The things to know before you go
Flight Distance
8,064
miles

Avg. Flight Duration
14¼
to
18
hours

14
hours timezone difference

- YesNonstop Options
- SEAMain Departure Airports
- SINMain Arrival Airports
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Book Business Class Flights from Seattle (SEA) to Singapore (SIN)
The Seattle to Singapore corridor covers roughly 8,064 miles, with flights typically running 14¼ to 18 hours and a 14-hour time difference between origin and destination. Departures from Seattle generally involve a long transpacific journey, with nonstop and one-stop options available depending on the airline and travel dates.
Business class travel on this route offers lie-flat seating, priority airport services, and additional space throughout the journey. Singapore’s architectural mix ranges from restored shophouses and colonial-era buildings to contemporary towers around Marina Bay, while areas such as Tanjong Pagar and the Civic District reveal how much of the city’s earlier character has been preserved.
Booking through Business-Class.com gives you access to negotiated premium-cabin fares plus support from a dedicated travel advisor for date changes, schedule adjustments, and onward travel. Flexible options may be available depending on the fare. Travelers staying several days can explore waterfront promenades, heritage hotels, rooftop venues, and design-focused districts for a broader look at Singapore beyond its shopping centers and major attractions.
Seattle to Singapore business class flights — frequently asked questions
More answers can be found on the dedicated
FAQ
page
How long is a business class flight from Seattle to Singapore?
The Seattle to Singapore nonstop takes 14¼ to 18 hours, a single stage that spans the full width of the Pacific and into Southeast Asia.
Are there nonstop business class flights from Seattle to Singapore?
Yes, Singapore Airlines and Delta both operate this nonstop between Seattle-Tacoma International and Singapore Changi Airport.
What is the time difference between Seattle and Singapore?
Singapore sits 14 hours ahead of Seattle, so a midday Sea-Tac departure typically lands in Singapore two nights later.
How much can I save booking business class through Business-Class.com?
Business class seats on this nonstop can be booked for up to 54% below standard fares during favorable pricing windows.
When is the best time to book business class flights from Seattle to Singapore?
Book 3 to 5 months ahead, particularly around the Formula One Singapore Grand Prix in September when demand rises sharply.
Can I change or cancel my Seattle to Singapore business class booking?
Singapore Airlines and Delta each maintain separate change and cancellation policies based on which carrier issued the ticket.
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