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SIN to ACH: distance & flight time
Singapore (Singapore Changi Airport) → Altenrhein (St Gallen Altenrhein Airport)
6,356 mi
10,230 km · 5,524 nm
12h 56m
estimated nonstop flight time
-6h
time difference · heading northwest
See live SIN→ACH fares Phone-only fares on this route — call free
Flight time details
6,356 miles nonstop takes roughly 12h 56m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- SIN — Singapore Changi Airport · Singapore, Singapore
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SIN
- QPG · Paya Lebar Air Base6 mi away
- XSP · Seletar Airport10 mi away
- BTH · Hang Nadim International Airport18 mi away
- TGA · Tengah Air Base20 mi away
Near ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 mi away
Frequently asked questions
How far is SIN from ACH?
The flight distance from Singapore (SIN) to Altenrhein (ACH) is 6,356 miles (10,230 km, 5,524 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIN to ACH?
A nonstop flight takes about 12h 56m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Singapore and Altenrhein?
Altenrhein is 6 hours behind Singapore.
What is the cheapest way to fly from SIN to ACH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIN–ACH that never appear on search engines, with no booking fees.