US Travelers Can Now Enjoy Five Weekly Nonstop Flights from Seattle to Singapore in 2025 with Singapore Airlines’ Expanded Service and Enhanced In-Flight Amenities

Published on August 27, 2025

Singapore Airlines will further elevate customer experience in 2025 by increasing Seattle-Tacoma International Airport (SEA)–Singapore Changi Airport (SIN) to a five-weekly nonstop service. The resumption restores operations to pre-COVID levels, affording travelers from the Pacific Northwest renewed flexibility. By multiplying the direct service, the carrier strengthens regional and international connectivity, while concurrently featuring one of the world’s longest nonstop sectors, thus streamlining itineraries via the distinctive elimination of aircraft substitutions. The result is a more efficient, uninterrupted voyage across the trans-Pacific stretch, in alignment with the airline’s commitment to offer premium and time-saving travel.

In an exciting development for travelers in the Pacific Northwest, Singapore Airlines has officially expanded its nonstop service from Seattle-Tacoma International Airport (SEA) to Singapore Changi Airport (SIN). This enhancement further strengthens connectivity between Seattle and Asia, providing passengers with even more convenient and flexible options for international travel. This expansion marks the return of the service to its pre-pandemic frequency, with the route now operating five times a week, making it one of the longest commercial flights globally.

Increased Flexibility with Five Weekly Flights

The new nonstop service operates on five weekly flights, restoring the schedule to its pre-pandemic format. The additional flight provides travelers with greater flexibility, allowing them to fly between SEA and SIN without the need for plane changes. This direct route continues to be the longest nonstop flight departing from Seattle, clocking in at 16 hours and 20 minutes.

Flight SQ27 departs from Seattle on Tuesday, Thursday, Friday, Saturday, and Sunday at 10:15 AM, arriving in Singapore the following day at 5:35 PM local time. Passengers can now enjoy more options when planning their trips, making this expanded service a crucial link between the United States and Southeast Asia.

Aircraft and Cabin Experience

Singapore Airlines continues to prioritize passenger comfort on its long-haul routes, with the service being operated by the state-of-the-art Airbus A350. This aircraft is known for its efficiency and comfort, making long flights more enjoyable for all passengers.

Economy Class: Designed for relaxation, the economy cabin is equipped with six-way adjustable headrests, personal HD touchscreens offering over 1,800 KrisWorld entertainment options, and USB ports alongside power outlets at every seat.

Premium Economy: For a more luxurious experience, premium economy passengers can enjoy added comfort with a footrest, two USB ports, a 13-inch HD monitor, noise-canceling headphones, and the option to customize their meal preferences with the “Book the Cook” service.

Business Class: Business class passengers are treated to Scottish leather seats that convert into fully flat beds, with additional features like a cushioned headboard, duvet and linens, pillows, and a large 18-inch HD monitor. Enhanced connectivity options are available through HDMI and USB ports, and ample storage space is provided for comfort.

In-Flight Dining: A Focus on Quality and Wellness

In line with its commitment to superior service, Singapore Airlines has introduced a range of dining options that emphasize quality and regional ingredients. The airline’s “farm to plane” initiative ensures that only the freshest ingredients are used, with selections including steelhead trout from Hudson Valley Fisheries and award-winning cheeses from Oregon’s Rogue Creamery.

Premium economy and business class passengers can further elevate their travel experience with the “Book the Cook” feature, allowing them to pre-order meals up to six weeks in advance. Among the delectable options are poached lobster with Meyer lemon aioli, smoked trout with caviar, and mouthwatering desserts like Madeline cake topped with marinated berries.

For those seeking lighter meals, a wellness-focused menu created in collaboration with Golden Door spa has been designed to offer healthier dining options perfect for long-haul travel.

Changi Airport: A World-Class Destination

Upon arrival in Singapore, travelers are welcomed by the world-renowned Singapore Changi Airport, known for its exceptional passenger experience. Notably, Changi is home to the stunning Jewel complex, a $1.7 billion development designed by Moshe Safdie that serves as both an airport terminal and a unique destination in itself.

Jewel is home to the stunning 7-story Rain Vortex, the tallest indoor waterfall globally, situated within a lush, indoor Forest Valley. Home to more than 2,000 olive trees and over 10,000 plants, this verdant retreat provides a peaceful refuge from the fast-paced world of travel. Guests can also enjoy a variety of attractions, such as a butterfly garden, an innovative mirror maze, a canopy bridge, suspended walking nets, and an IMAX theater.

For those in need of shopping or dining, Jewel provides over 250 retail outlets and dining options, ensuring that every traveler’s needs are met before continuing their journey.

A New Era of Air Travel Connectivity

With this expansion of nonstop flights between Seattle and Singapore, Singapore Airlines is not only offering greater flexibility to its passengers but also reinforcing its role as a key player in global air travel. This enhanced route opens doors to a seamless travel experience between the Pacific Northwest and Southeast Asia, allowing both leisure and business travelers to connect more efficiently than ever before.

As the airline continues to invest in both service and technology, travelers can look forward to even more comfortable and convenient flights, as well as enhanced connectivity to one of the world’s most dynamic regions.

Singapore Airlines is augmenting its nonstop Seattle-to-Singapore service in 2025, introducing an additional five weekly flights to accommodate rising demand, increase itinerary flexibility, and forge an uninterrupted link between the Pacific Northwest and the broader Southeast Asia region.

The expansion affirms the carrier’s long-standing pledge to deliver award-winning service while responding to the intensifying need for premium, long-haul alternatives. Guests will travel aboard the airline’s latest aircraft, featuring spacious cabins, state-of-the-art seat design, five-star inflight dining, and the added advantage of an efficient arrival milieu at Changi Airport—ensuring that this route is poised to attract discerning travelers seeking a harmonized blend of luxury and direct access.