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CTH to SYH: distance & flight time
Coatesville (Chester County G O Carlson Airport) → Syangboche (Syangboche Airport)
7,621 mi
12,265 km · 6,622 nm
15h 25m
estimated nonstop flight time
+10.8h
time difference · heading north
See live CTH→SYH fares Phone-only fares on this route — call free
Flight time details
7,621 miles nonstop takes roughly 15h 25m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.8-hour time gain when reading arrival times on your ticket.
The two airports
- CTH — Chester County G O Carlson Airport · Coatesville, United States
- SYH — Syangboche Airport · Syangboche, Nepal
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 CTH
- PHL · Philadelphia International Airport34 mi away
- ILG · New Castle Airport25 mi away
- LNS · Lancaster Airport25 mi away
- RDG · Reading Regional Carl A Spaatz Field28 mi away
Near SYH
- LUA · Lukla Airport9 mi away
- PPL · Phaplu Airport22 mi away
- RUM · Rumjatar Airport36 mi away
- LDN · Lamidanda Airport39 mi away
Frequently asked questions
How far is CTH from SYH?
The flight distance from Coatesville (CTH) to Syangboche (SYH) is 7,621 miles (12,265 km, 6,622 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CTH to SYH?
A nonstop flight takes about 15h 25m 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 CTH to SYH?
Nonstop service on CTH–SYH 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 15h 25m nonstop estimate.
What is the time difference between Coatesville and Syangboche?
Syangboche is 10.8 hours ahead of Coatesville.
What is the cheapest way to fly from CTH to SYH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CTH–SYH that never appear on search engines, with no booking fees.
Why are some CTH to SYH fares phone-only?
Consolidator contracts let us sell certain CTH–SYH 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.