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ACH to PRG: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Prague (Václav Havel Airport Prague)
280 mi
451 km · 243 nm
1h 12m
estimated nonstop flight time
Same time
time difference · heading northeast
See live ACH→PRG fares Phone-only fares on this route — call free
Flight time details
280 miles nonstop takes roughly 1h 12m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
- PRG — Václav Havel Airport Prague · Prague, Czech Republic
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 ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 mi away
Near PRG
- VOD · Vodochody Airport10 mi away
- KLV · Karlovy Vary International Airport60 mi away
- PED · Pardubice Airport66 mi away
- DRS · Dresden Airport75 mi away
Frequently asked questions
How far is ACH from PRG?
The flight distance from Altenrhein (ACH) to Prague (PRG) is 280 miles (451 km, 243 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to PRG?
A nonstop flight takes about 1h 12m 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 cheapest way to fly from ACH to PRG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–PRG that never appear on search engines, with no booking fees.