
Thai Airways Royal Silk
0 US departures available
Access to inventory not listed on public sites.
Every itinerary manually verified for perfection.
Bank-grade encryption and secure payment processing.
Real humans available around the clock.
Thai Airways business class to Singapore starts at $2,850 round-trip through BestBusinessClass.com's consolidator network, roughly 40% below the $4,800–$5,200 published retail fares most travelers find on Google Flights. That's a meaningful gap given this is technically a two-leg journey — Thai doesn't fly BKK-SIN direct in a way that avoids connections from the US, so pricing efficiency matters more here than on nonstop routes.
Royal Silk Class on Thai's long-haul aircraft (777-300ER and A350) uses a 1-2-1 reverse herringbone layout with a fully lie-flat bed around 78 inches long and 22 inches wide at the shoulder. What sets Thai apart from most Star Alliance carriers is the service style — Thai hospitality on this route includes warm-towel service, a pre-departure amenity ritual, and on select long-haul sectors, an inflight spa-style hand and foot treatment that's genuinely unusual in this cabin class. Dining leans into Thai and Western menus with a signature tom yum service that regular flyers request by name. The BKK-SIN sector itself is short, under two hours, so the real product experience happens on the transpacific or trans-Asia leg into Bangkok.
US departures run through a surprising number of secondary gateways — Tulsa, El Paso, Oklahoma City, Albuquerque, Boise, Spokane, Charleston, and Greenville all connect into Thai's Bangkok hub via partner carriers, feeding into 18 total routing combinations to Singapore. Most itineraries route through a Star Alliance partner hub like Los Angeles, Chicago, or Seattle before the long-haul sector to BKK, then a short connection to SIN. This gateway spread is one reason fares from smaller cities can actually undercut fares from major hubs — less competition on the connecting legs sometimes means better consolidator pricing.
Booking six to nine months out typically locks in the $2,850–$3,600 range; wait until inside 60 days and you're looking at $6,000-$8,000, especially around Lunar New Year and July-August peak Southeast Asia travel. January through March and September through early November are consistently the cheapest windows for Thai Airways business class to Singapore, according to fare data from our consolidator network.
Singapore Airlines is the obvious competitor, and it wins on nonstop convenience from the US since it flies its own metal all the way to Singapore without a Bangkok stop. But Singapore Airlines' business class fares on this corridor routinely run $1,000-$1,500 higher than Thai's consolidator rates for a comparable lie-flat product. If your schedule allows a connection in Bangkok, Thai Airways delivers a similar seat width and bed length at a lower cost, plus that spa-treatment touch Singapore Airlines doesn't offer in business class.
Book through BestBusinessClass.com and a Personal Travel Manager will map the routing options from your nearest gateway, hold seat assignments in the forward cabin, and handle the Star Alliance connection logistics that can get complicated with eight-plus feeder airports in play. Call (855) 815-4774 to get current availability and lock in pricing before the next fare increase.
Looking for other flight options and airlines serving Singapore? Explore all available business class departures and deals.
Located at Bangkok Suvarnabhumi Airport, featuring Thai cuisine, premium bar, the famous Royal Orchid Spa with complimentary Thai massage, shower facilities, and serene Thai-inspired interiors.
Compare Thai Airways with other airlines operating business class flights to Singapore
Expert tips and insights for your trip
Round-trip fares through BestBusinessClass.com's consolidator network range from $2,850 to $8,000, depending on season and booking window. Fares under $3,600 are typical when booked six to nine months ahead; last-minute bookings inside 60 days often land above $6,000. Published retail fares for the same routing usually run 30-40% higher.
Royal Silk Class uses a 1-2-1 reverse herringbone configuration on Thai's 777-300ER and A350 aircraft, giving every passenger direct aisle access. The seat converts to a fully lie-flat bed around 78 inches long and 22 inches wide, with Thai hospitality touches like inflight hand and foot treatments on qualifying long-haul sectors.
Book six to nine months in advance for the lowest fares, typically $2,850-$3,600 round-trip. January through March and September through early November are the cheapest travel windows. Avoid booking inside 60 days of departure or around Lunar New Year and peak summer months, when prices can double.
Thai Airways connects to Singapore from 18 US routing combinations, including smaller gateways like Tulsa, El Paso, Oklahoma City, Albuquerque, Boise, Spokane, Charleston, and Greenville. These typically route through a major Star Alliance hub before the long-haul sector to Bangkok, then a short connection to Singapore.
BestBusinessClass.com sells private consolidator fares — wholesale airline rates negotiated in bulk that aren't listed on Expedia or Google Flights. Clients typically save 30-60% versus retail pricing for the same Royal Silk Class seat. A Personal Travel Manager handles the search, booking, and seat selection at no extra cost.
Our Personal Travel Managers find private fares not available on any booking site.
Get Your Free QuoteOr call (855) 815-4774
Unpublished rates for Singapore.
From
City or Airport
To
By submitting, you agree to our Privacy Policy and Terms of Service. By providing your phone number, you consent to receive calls or texts regarding your travel quote.