Hamburg

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

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