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IWS to SIN: distance & flight time
Houston (West Houston Airport) → Singapore (Singapore Changi Airport)
9,923 mi
15,969 km · 8,623 nm
19h 55m
estimated nonstop flight time
+13h
time difference · heading northwest
See live IWS→SIN fares Phone-only fares on this route — call free
Flight time details
9,923 miles nonstop takes roughly 19h 55m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- IWS — West Houston Airport · Houston, 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 IWS
- IAH · George Bush Intercontinental Houston Airport23 mi away
- AAP · Andrau Airpark8 mi away
- SGR · Sugar Land Regional Airport14 mi away
- DWH · David Wayne Hooks Memorial Airport18 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 IWS from SIN?
The flight distance from Houston (IWS) to Singapore (SIN) is 9,923 miles (15,969 km, 8,623 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IWS to SIN?
A nonstop flight takes about 19h 55m 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 Houston and Singapore?
Singapore is 13 hours ahead of Houston.
What is the cheapest way to fly from IWS to SIN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IWS–SIN that never appear on search engines, with no booking fees.