Amsterdam

Turkish Airlines flies JFK → SIN in both directions, with a through-ticket back to Amsterdam. Economy Basic is hand baggage only; the four fares above it add a checked bag, lounge access or a lie-flat seat.

KLM flies DXB → SIN in both directions, with a through-ticket back to Amsterdam. Economy Basic is hand baggage only; the four fares above it add a checked bag, lounge access or a lie-flat seat.