Flights from Bangkok (BKK) to Seattle (SEA)

In-flight Dining
On the Bangkok to Singapore and Singapore to Seattle sectors, you will be served meals tailored to the time of day and flight duration, with complimentary dining in all cabins.

Special Meals
We offer a wide range of special meals that can be requested before departure to meet specific dietary needs or preferences on this route.

Book the Cook
If you are travelling in eligible premium cabins on the Airbus A350-900 sectors, you can pre-select from a wider range of main courses through our Book the Cook service, subject to availability.

Beverage Service
Throughout your journey, you can enjoy a selection of hot and cold drinks, including soft drinks, juices, coffee, tea, and a curated choice of alcoholic beverages. Our signature Singapore Sling is also available on board.

For flights between Bangkok and Seattle, our baggage policy follows the piece concept. For checked baggage, Economy Class passengers may check in 2 pieces, each up to 23kg. Premium Economy Class passengers may check in 2 pieces, each up to 23kg. Business Class passengers may check in 2 pieces, each up to 32kg. Each individual checked bag must not exceed 32kg. For 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 exact 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 Bangkok to Seattle 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 does not support video streaming, video calls, or large file transfers.

On both the Bangkok to Singapore and Singapore to Seattle sectors, Economy Class seats offer a 32-inch pitch with up to 19-inch seat width. Premium Economy Class on Airbus A350-900 flights provides a 38-inch pitch with up to 20-inch seat width. Business Class on both aircraft types offers a fully flat bed with every seat providing direct aisle access.

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 Bangkok but have a Business Class onward flight from Singapore, you get lounge access in Singapore only.

In Singapore (SIN), eligible passengers may be able to use facilities such as the SilverKris Lounge (First Class), SilverKris Lounge (Business Class), or KrisFlyer Gold Lounge, depending on cabin class and frequent flyer status.

If you have a longer layover at Singapore Changi Airport, you can consider joining an official transit tour of the city, which typically requires a minimum layover of around 5.5 to 6 hours. These tours allow you to see key sights while remaining within transit arrangements.

For shorter layovers, it is convenient to stay airside and enjoy the airport’s amenities, which can include themed gardens, rest areas, family zones, and a wide range of dining and retail outlets across the terminals. You can also make use of quiet seating, showers, or airport hotels for rest between flights.

Whether you stay in the terminal or step out on an organised tour, you will find that facilities are designed to keep you comfortable and occupied, with clear signs and helpful staff on hand. Your time at Singapore Changi Airport is more than just a wait — it is an integral part of your journey.

Bangkok follows Indochina Time (UTC+7) and does not observe daylight saving time. Seattle follows Pacific Time, which is Pacific Standard Time (UTC−8) from roughly November to March, and Pacific Daylight Time (UTC−7) from roughly March to November. This means Seattle is typically 15 hours behind Bangkok during Pacific Standard Time, and 14 hours behind during Pacific Daylight Time.

Yes, your baggage will typically be checked through to Seattle-Tacoma International Airport when flying from Bangkok 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 (Bangkok–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 Bangkok–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.