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PRG to ALN: distance & flight time
Prague (Václav Havel Airport Prague) → Alton/St Louis (St Louis Regional Airport)
4,768 mi
7,673 km · 4,143 nm
9h 49m
estimated nonstop flight time
—
time difference · heading northwest
See live PRG→ALN fares Phone-only fares on this route — call free
Flight time details
4,768 miles nonstop takes roughly 9h 49m gate to gate, flying northwest. 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
- PRG — Václav Havel Airport Prague · Prague, Czech Republic
- ALN — St Louis Regional Airport · Alton/St Louis, United States
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 PRG
- VOD · Vodochody Airport10 mi away
- KLV · Karlovy Vary International Airport60 mi away
- PED · Pardubice Airport66 mi away
- DRS · Dresden Airport75 mi away
Near ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 mi away
Frequently asked questions
How far is PRG from ALN?
The flight distance from Prague (PRG) to Alton/St Louis (ALN) is 4,768 miles (7,673 km, 4,143 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PRG to ALN?
A nonstop flight takes about 9h 49m 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 PRG to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PRG–ALN that never appear on search engines, with no booking fees.