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AST to SYH: distance & flight time

Astoria (Astoria Regional Airport) → Syangboche (Syangboche Airport)

6,979 mi
11,231 km · 6,064 nm
14h 9m
estimated nonstop flight time
+12.8h
time difference · heading northwest
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Flight time details

6,979 miles nonstop takes roughly 14h 9m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12.8-hour time gain when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is AST from SYH?

The flight distance from Astoria (AST) to Syangboche (SYH) is 6,979 miles (11,231 km, 6,064 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from AST to SYH?

A nonstop flight takes about 14h 9m 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 Astoria and Syangboche?

Syangboche is 12.8 hours ahead of Astoria.

What is the cheapest way to fly from AST to SYH?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AST–SYH that never appear on search engines, with no booking fees.
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