Flights from Kathmandu (KTM) to Seattle (SEA)

In-flight Dining
On Kathmandu to Seattle journeys, you will be served meals and refreshments tailored to the time of day on each sector, with regional and international options designed for comfort during both the medium-haul and long-haul legs.

Special Meals
We offer a range of special meals on this route, which must be requested before departure. These are prepared to meet specific dietary needs and are served before or alongside the main meal service on board.

Book the Cook
Eligible passengers in selected premium cabins on the Singapore to Seattle sector may be able to pre-select main courses through our Book the Cook service, offering greater choice and personalisation on the longest part of the journey.

Beverage Service
Throughout the flight, you can enjoy a selection of hot and cold drinks, including juices, soft drinks, tea, and coffee. Our signature Singapore Sling is also available on board for you to savour during your journey.

For flights between Kathmandu and Seattle, our baggage policy uses the piece concept because your journey includes the United States of America. 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 checked piece 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 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 on this route once the aircraft is above 10,000 feet. It is free and unlimited for KrisFlyer members, and 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 suitable for messaging, email, and basic browsing, but it does not support video streaming, video calls, or large file transfers.

On the Kathmandu to Singapore sector operated by the Boeing 737-8 MAX, Economy Class offers a seat pitch of around 32 inches with up to 19-inch seat width, while Business Class provides a fully flat bed with direct aisle access. On the Singapore to Seattle Airbus A350-900 sector, Economy Class offers a 32-inch pitch with up to 19-inch width, Premium Economy Class provides a 38-inch pitch with up to 20-inch width, and Business Class features a fully flat bed with every seat having 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 Kathmandu but have a Business Class onward flight from Singapore, you get lounge access in Singapore only. In Singapore (SIN), eligible customers may be invited to use lounges such as the SilverKris Lounge (First Class), SilverKris Lounge (Business Class), or KrisFlyer Gold Lounge, depending on cabin and status.

If you have a longer layover at Singapore Changi Airport, you can consider joining the official free city tour, which typically requires a minimum transit time of around 5.5 to 6 hours. This allows you to experience key highlights of Singapore before returning to the airport for your onward flight.

For shorter layovers, staying airside offers many options to relax and refresh. You can explore themed gardens, quiet rest zones, and entertainment areas, or enjoy facilities such as play spaces, viewing galleries, and airport hotels located within or near the terminals.

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

Kathmandu follows Nepal Time (NPT), which is UTC+5:45 year-round. Seattle follows Pacific Time, which is UTC−8:00 during Pacific Standard Time (roughly November to early March) and UTC−7:00 during Pacific Daylight Time (roughly March to early November). This means Seattle is 13 hours 45 minutes behind Kathmandu in winter and 12 hours 45 minutes behind in summer.

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