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SYH to ACH: distance & flight time
Syangboche (Syangboche Airport) → Altenrhein (St Gallen Altenrhein Airport)
4,251 mi
6,841 km · 3,694 nm
8h 48m
estimated nonstop flight time
-4.7h
time difference · heading northwest
See live SYH→ACH fares Phone-only fares on this route — call free
Flight time details
4,251 miles nonstop takes roughly 8h 48m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.7-hour time set-back when reading arrival times on your ticket.
The two airports
- SYH — Syangboche Airport · Syangboche, Nepal
- 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 SYH
- LUA · Lukla Airport9 mi away
- PPL · Phaplu Airport22 mi away
- RUM · Rumjatar Airport36 mi away
- LDN · Lamidanda Airport39 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 SYH from ACH?
The flight distance from Syangboche (SYH) to Altenrhein (ACH) is 4,251 miles (6,841 km, 3,694 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYH to ACH?
A nonstop flight takes about 8h 48m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SYH to ACH?
Nonstop service on SYH–ACH depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 8h 48m nonstop estimate.
What is the time difference between Syangboche and Altenrhein?
Altenrhein is 4.7 hours behind Syangboche.
What is the cheapest way to fly from SYH to ACH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYH–ACH that never appear on search engines, with no booking fees.
Why are some SYH to ACH fares phone-only?
Consolidator contracts let us sell certain SYH–ACH tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.