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IAH to SYO: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Shonai (Shonai Airport)
6,506 mi
10,471 km · 5,654 nm
13h 13m
estimated nonstop flight time
+14h
time difference · heading northwest
See live IAH→SYO fares Phone-only fares on this route — call free
Flight time details
6,506 miles nonstop takes roughly 13h 13m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
- SYO — Shonai Airport · Shonai, Japan
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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Near SYO
- GAJ · Yamagata Airport42 mi away
- AXT · Akita Airport60 mi away
- KIJ · Niigata Airport69 mi away
- SDJ · Sendai Airport77 mi away
Frequently asked questions
How far is IAH from SYO?
The flight distance from Houston (IAH) to Shonai (SYO) is 6,506 miles (10,471 km, 5,654 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to SYO?
A nonstop flight takes about 13h 13m 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 Shonai?
Shonai is 14 hours ahead of Houston.
What is the cheapest way to fly from IAH to SYO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–SYO that never appear on search engines, with no booking fees.