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AST to SIN: distance & flight time
Astoria (Astoria Regional Airport) → Singapore (Singapore Changi Airport)
8,055 mi
12,964 km · 7,000 nm
16h 16m
estimated nonstop flight time
+15h
time difference · heading northwest
See live AST→SIN fares Phone-only fares on this route — call free
Flight time details
8,055 miles nonstop takes roughly 16h 16m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- AST — Astoria Regional Airport · Astoria, United States
- SIN — Singapore Changi Airport · Singapore, Singapore
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 AST
- KLS · Southwest Washington Regional Airport47 mi away
- OTK · Tillamook Airport51 mi away
- HQM · Bowerman Airport56 mi away
- CLS · Chehalis Centralia Airport56 mi away
Near SIN
- QPG · Paya Lebar Air Base6 mi away
- XSP · Seletar Airport10 mi away
- BTH · Hang Nadim International Airport18 mi away
- TGA · Tengah Air Base20 mi away
Frequently asked questions
How far is AST from SIN?
The flight distance from Astoria (AST) to Singapore (SIN) is 8,055 miles (12,964 km, 7,000 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AST to SIN?
A nonstop flight takes about 16h 16m 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 Singapore?
Singapore is 15 hours ahead of Astoria.
What is the cheapest way to fly from AST to SIN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AST–SIN that never appear on search engines, with no booking fees.