Flights from Seattle (SEA) to Kolkata (CCU)

In-flight Dining
You will be served meals and refreshments on both the Seattle to Singapore and Singapore to Kolkata sectors, with menus designed to suit the length and timing of each flight.

Special Meals
We offer a range of special meals for specific dietary needs on this route. You can request these in advance through our Manage Booking portal, ensuring they are loaded for your flights.

Book the Cook
Eligible customers in participating premium cabins on this route can use our Book the Cook service from Singapore, selecting from a wider menu of main courses when departing from our hub.

Beverage Service
A selection of hot and cold drinks is available throughout the flight, including juices, soft drinks, tea, and coffee. Our signature Singapore Sling is also available on board.

For flights between Seattle and Kolkata, the weight concept applies. Checked baggage allowances are: Economy Class (Lite and Value fares: 25kg; Standard and Flexi fares: 30kg), Premium Economy Class (35kg), and Business Class (40kg). Each checked bag must not exceed 32kg.

For cabin baggage, Economy Class and Premium Economy Class customers may bring 1 piece up to 7kg. Business Class customers may bring 2 pieces, each up to 7kg. The final baggage allowance for your trip 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. Wi-Fi 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 a seat pitch of 32 inches with up to 19 inches of seat width, Premium Economy Class offers a pitch of 38 inches with up to 20 inches of seat width, and Business Class features a fully flat bed with direct aisle access.

On the Singapore to Kolkata sector, operated by the Airbus A350-900, Economy Class also provides a 32-inch seat pitch with up to 19 inches of width, while Business Class offers a fully flat bed with direct aisle access for added comfort on the regional flight.

From Seattle to Singapore on the Airbus A350-900, you can choose between Business Class, Premium Economy Class, and Economy Class. From Singapore to Kolkata, the Airbus A350-900 is configured with Business Class and Economy Class, allowing you to enjoy a consistent experience across both sectors.

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 enjoy extensive airside facilities, including gardens, quiet rest areas, playgrounds, and a wide selection of dining and shopping. Depending on your layover duration, you may also be able to join an official transit tour into the city, which usually requires several hours between flights.

If you prefer to stay in the terminal, you can relax in comfortable seating zones, visit a transit hotel for rest, or explore themed areas in the different terminals. Your time at Singapore Changi Airport is more than just a wait — it is an integral part of your journey.

At Seattle-Tacoma International Airport, eligible Singapore Airlines customers may be invited to use a partner lounge such as The Club at SEA before departure. Lounge access depends on your cabin class, fare, and frequent flyer status, and will be confirmed at check-in or on your boarding pass.

During your layover at Singapore Changi Airport, eligible customers may be able to use lounges such as the SilverKris Lounge (First Class), SilverKris Lounge (Business Class), or the KrisFlyer Gold Lounge, depending on cabin class and KrisFlyer or Star Alliance status. Lounge access is based on your onward flight from Singapore.

Seattle follows Pacific Time (UTC-8) in winter and Pacific Daylight Time (UTC-7) from roughly March to early November. Kolkata is on India Standard Time (UTC+5:30) year-round. This means Kolkata is 13h 30m ahead of Seattle during Pacific Standard Time, and 12h 30m ahead during Pacific Daylight Time.

From Seattle, your Singapore Airlines journey arrives in Kolkata at Netaji Subhas Chandra Bose International Airport. You will connect in Singapore Changi Airport on the way, and your checked baggage is typically tagged through to Kolkata, subject to your booking and any applicable local procedures.

We design our published Seattle to Kolkata itineraries to allow sufficient time to transfer at Singapore Changi Airport. If you book both sectors on the same Singapore Airlines ticket, your connection will meet our minimum connecting time. You can check your specific layover duration in your booking details.

If both your Seattle to Singapore and Singapore to Kolkata sectors are on a single Singapore Airlines ticket, we will usually check your baggage through to Kolkata. You will receive baggage tags showing CCU as the final destination; please confirm this at check-in and keep your baggage receipts for reference.

Whether you need a visa for transit in Singapore depends on your nationality and travel documents. Many passengers with through tickets and same-day connections can remain airside without formal entry. We recommend checking current entry and transit requirements with official government sources before you travel.