Flights from Seattle (SEA) to Adelaide (ADL)

In-flight Dining
On both the Seattle–Singapore and Singapore–Adelaide sectors, you will be served meals designed for long-haul and regional travel, with menus that reflect seasonal ingredients and route length.

Special Meals
We offer a range of special meals on this route for specific dietary needs, which you can request in advance through our website or your booking agent.

Book the Cook
Eligible passengers in selected premium cabins on the Seattle–Singapore sector can pre-select main courses from our Book the Cook service, adding more choice to your dining experience.

Beverage Service
A curated selection of hot and cold beverages, including wines and other drinks, is available throughout the flight, and our signature Singapore Sling is available on board.

For flights between Seattle and Adelaide, the piece concept applies for checked baggage. Checked baggage: Economy Class passengers may check in 2 pieces, each up to 23kg; Premium Economy Class passengers 2 pieces, each up to 23kg; Business Class passengers 2 pieces, each up to 32kg. Each individual piece must not exceed 32kg. Cabin baggage: Economy Class and Premium Economy Class passengers may bring 1 piece up to 7kg, while 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 enjoy additional allowances.

Wi-Fi is available on Singapore Airlines flights from Seattle to Adelaide 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 service is suitable for messaging, email, and basic browsing, but it does not support video streaming, video calls, or large file transfers.

On both the Seattle–Singapore Airbus A350-900 sector and the Singapore–Adelaide Boeing 787-10 sector, Economy Class seats offer a 32-inch pitch with up to 19-inch seat width. Premium Economy Class, available on the Seattle–Singapore sector, features a 38-inch pitch and up to 20-inch seat width. Business Class on both sectors provides a fully flat bed with direct aisle access for every seat.

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 Seattle but have a Business Class onward flight from Singapore, you get lounge access in Singapore only. In Singapore, eligible customers may use the SilverKris Lounge (First Class), SilverKris Lounge (Business Class), or KrisFlyer Gold Lounge, depending on their cabin and status.

Singapore Changi Airport offers extensive facilities that make layovers comfortable and enjoyable. With a long connection, you can join a free official city tour, typically available for layovers of about 5.5 hours or more, giving you a glimpse of Singapore before your onward flight. For shorter layovers, you can stay airside to enjoy themed gardens, rest zones, and family areas. There are also shower facilities, transit hotels, and plenty of dining and shopping choices across the terminals. Your time at Singapore Changi Airport is more than just a wait — it is an integral part of your journey.

Seattle follows Pacific Time (UTC-8, switching to UTC-7 during daylight saving from roughly March to early November). Adelaide observes Australian Central Standard Time (UTC+9:30) and Australian Central Daylight Time (UTC+10:30, roughly October to early April). This means Adelaide is typically 17.5 hours ahead of Seattle in Seattle’s standard time, and 16.5 hours ahead when Seattle is on daylight saving time.

Yes, your baggage will typically be checked through to Adelaide when flying from Seattle 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 (Seattle–Singapore and Singapore–Adelaide) 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 Adelaide 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 Seattle–Adelaide 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.