Flights from Sydney (SYD) to Seattle (SEA)

In-flight Dining
On Sydney to Seattle journeys, you will be served meals appropriate to the time of day on each sector, with menus inspired by regional flavours and international favourites in Economy Class, Premium Economy Class, Business Class, and in our premium cabins.

Special Meals
We offer a wide range of special meals to meet different dietary needs on this route. You can request these in advance through Manage Booking, allowing our team to prepare your preferred option before you board.

Book the Cook
Eligible passengers in selected premium cabins on the Sydney to Singapore and Singapore to Seattle sectors can use our Book the Cook service to pre-select main courses from an expanded menu, adding more choice and personalisation to your dining experience.

Beverage Service
Throughout your flights, you can enjoy a selection of hot and cold drinks, including juices, soft drinks, tea, and coffee. A range of wines and spirits is available in eligible cabins, and our signature Singapore Sling is served on board.

For Sydney–Seattle journeys, the piece concept applies as the route involves the United States of America. For checked baggage, Economy Class passengers may bring 2 pieces, each up to 23kg. Premium Economy Class passengers may bring 2 pieces, each up to 23kg. Business Class passengers may bring 2 pieces, each up to 32kg. Suites and First Class passengers may bring 2 pieces, each up to 32kg, where these cabins are available on the Sydney to Singapore sector. Each individual checked piece must not exceed 32kg. For cabin baggage, Economy Class and Premium Economy Class passengers may bring 1 piece up to 7kg, while Suites, First Class, and Business Class passengers 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 have additional allowances.

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

On both the Sydney to Singapore and Singapore to Seattle sectors, Economy Class offers a 32-inch seat pitch with up to 19-inch seat width. Premium Economy Class provides a 38-inch seat pitch with up to 20-inch seat width. Business Class features fully flat beds with direct aisle access. On selected Sydney to Singapore flights, First Class and Suites offer spacious fully flat beds and enhanced privacy in our most exclusive cabins.

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.

Lounge Access Eligibility
Cabin Class: Complimentary for Suites, First, and Business Class passengers. Premium Economy and Economy travellers do not have access unless they hold eligible status.

Frequent Flyer Status: PPS Club and KrisFlyer Elite Gold (or Star Alliance Gold) members have access regardless of cabin class.

The 'Next Segment' Rule: Eligibility is based on the flight immediately departing that airport. For example, if you fly Economy from Sydney but have a Business Class onward flight from Singapore, you get lounge access in Singapore only. Eligible passengers may be able to use facilities such as The Private Room, SilverKris Lounge (First Class), SilverKris Lounge (Business Class), or the KrisFlyer Gold Lounge, depending on their cabin and status.

If you have a longer layover at Singapore Changi Airport, you can join an official free city tour if your connection meets the minimum tour time requirements, which typically start from around 5.5 to 6 hours. This lets you see highlights of Singapore before returning for your onward flight.

For shorter layovers, staying airside is very comfortable, with themed gardens, rest areas, and attractions such as indoor greenery, art installations, and family-friendly zones. You can also enjoy a wide range of dining options, showers, and quiet spaces to relax or work.

Your time at Singapore Changi Airport is more than just a wait — it is an integral part of your journey.

Sydney operates on Australian Eastern Standard Time (UTC+10) and Australian Eastern Daylight Time (UTC+11) roughly from October to early April. Seattle uses Pacific Standard Time (UTC-8) and Pacific Daylight Time (UTC-7) roughly from March to early November. The time difference therefore ranges between 17 and 19 hours depending on the month.

Yes, your baggage will typically be checked through to Seattle-Tacoma International Airport when flying from Sydney via Singapore on a single booking with Singapore Airlines.

Through-Check Conditions
For your bags to be sent directly to your final destination, the following general conditions must be met:

Single Itinerary: Both flight segments (Sydney–Singapore and Singapore–Seattle) must be under the same booking reference or PNR.

Layover Duration: Your connection in Singapore must be less than 24 hours. If your layover exceeds 24 hours, it is considered a stopover, and you will typically be required to collect your luggage and re-check it for your onward flight.

Partner Airlines: If your onward flight from Singapore to Seattle is operated by a partner airline, Singapore Airlines has through-check agreements that usually allow your bags to be tagged to your final destination.

You may be able to plan a stopover in Singapore on your Sydney–Seattle trip, subject to your ticket conditions and availability. When booking, you can search for multi-city options or speak with our customer service team or your travel agent, who can advise whether a stopover can be added to your itinerary.