Flights from Seattle (SEA) to Sydney (SYD)

In-flight Dining
You will be served main meals and refreshments on both the Seattle to Singapore and Singapore to Sydney sectors, with menus designed for long-haul comfort and regional flavours.

Special Meals
We offer a range of special meals to cater to different dietary needs and preferences. You can request these when you book your ticket or via Manage Booking before departure.

Book the Cook
Eligible premium cabins on selected sectors of this route may offer our Book the Cook service, allowing you to pre-select from a curated menu before you fly. Availability depends on your cabin class and departure sector.

Beverage Service
A complimentary selection of hot and cold drinks is available throughout the flight, including juices and soft drinks. Our signature Singapore Sling is also available on board, so you can enjoy a classic taste of Singapore in the air.

For journeys between Seattle and Sydney, the piece concept applies for checked baggage as the itinerary involves the United States of America. Checked baggage: Economy Class customers may bring 2 pieces, each up to 23kg; Premium Economy Class customers 2 pieces, each up to 23kg; Business Class customers 2 pieces, each up to 32kg; First Class customers 2 pieces, each up to 32kg. Each individual checked bag must not exceed 32kg. Cabin baggage: Economy Class and Premium Economy Class customers may bring 1 piece up to 7kg; Business Class and First Class customers may bring 2 pieces, each up to 7kg. Your final allowance is shown on your e-ticket, and KrisFlyer Elite Gold and PPS Club members enjoy additional allowances.

Wi-Fi is available on Singapore Airlines flights from Seattle to Sydney once the aircraft is above 10,000 feet. It is free and unlimited for KrisFlyer members; Economy Class and Premium Economy Class members should add their membership number to the booking at least 1.5 hours before departure. Paid plans are available for non-members. The connection is suitable for messaging, email, and basic browsing, but it does not support video streaming, video calls, or large file transfers.

On the Seattle to Singapore sector operated by the Airbus A350-900, Economy Class offers approximately a 32-inch seat pitch with up to a 19-inch seat width, Premium Economy Class offers a 38-inch seat pitch with up to a 20-inch seat width, and Business Class provides a fully flat bed with direct aisle access.

On the Singapore to Sydney sector operated by the Boeing 777-300ER, Economy Class typically offers around a 32-inch seat pitch with up to a 19-inch seat width, Premium Economy Class has a 38-inch seat pitch with up to a 20-inch seat width, Business Class offers a fully flat bed with direct aisle access, and First Class provides a spacious fully flat bed and enhanced privacy.

On both the Airbus A350-900 and Boeing 777-300ER services between Seattle and Sydney, you can enjoy our KrisWorld entertainment system. It offers a wide range of films, television programmes, music, and games on your personal screen, with content updated regularly for long-haul journeys.

Yes, Singapore Airlines provides lounge access to eligible passengers with a layover in Singapore. Your eligibility is based on your class of travel or your KrisFlyer and Star Alliance status, and it is determined by your flight leaving Singapore. Other options, like purchasing a day pass at a pay-per-use lounge, are also available.

With a layover at Singapore Changi Airport, you can choose to relax airside among themed gardens, quiet rest areas, and a wide range of dining and retail options. For longer layovers of around 5.5 hours or more, you may be able to join a free official transit tour into the city, subject to eligibility and schedules. Shorter layovers are easily filled with terminal walks, relaxation zones, and family-friendly attractions within the airport itself. Your time at Singapore Changi Airport is more than just a wait — it is an integral part of your journey.

Before departure from Seattle-Tacoma International Airport, eligible Singapore Airlines customers may use designated partner lounges such as The Club at SEA, depending on cabin class and frequent flyer status. Lounge access is determined by your departing flight from Seattle and your KrisFlyer or Star Alliance tier.

During your transit at Singapore Changi Airport, eligible Singapore Airlines customers may have access to facilities such as The Private Room, SilverKris Lounge (First Class), SilverKris Lounge (Business Class), or the KrisFlyer Gold Lounge, depending on your cabin class and frequent flyer status. Access is based on your onward flight from Singapore and your KrisFlyer or Star Alliance tier.

Seattle follows Pacific Time, which is UTC-8 in winter and UTC-7 from roughly March to early November due to daylight saving time. Sydney operates on Australian Eastern Standard Time (UTC+10) and observes daylight saving time, moving to UTC+11 from roughly early October to early April. Depending on the time of year, Sydney is typically 17 to 19 hours ahead of Seattle.

Visa and entry requirements for travel from Seattle to Sydney depend on your nationality, length of stay, and purpose of visit. We recommend checking the latest information with the Australian authorities or your local consulate well before departure, and ensuring your passport has sufficient validity for the trip.

For Singapore Airlines flights from Seattle to Sydney via Singapore, we recommend arriving at Seattle-Tacoma International Airport at least 3 hours before your scheduled departure. This allows enough time for check-in, security screening, and reaching your departure gate comfortably.

When connecting in Singapore from Seattle to Sydney, your checked baggage is usually tagged through to Sydney if both flights are on the same ticket. Follow the transit signs after landing, check the departure screens for your onward gate, and allow time to explore the terminals if you have a longer layover.

Some tickets between Seattle and Sydney allow a stopover in Singapore, while others only permit a same-day connection. The rules depend on your fare type and booking conditions, so please review your ticket details or contact us or your travel agent if you would like to plan an extended stay in Singapore.