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IKA to SYO: distance & flight time
Tehran (Imam Khomeini International Airport) → Shonai (Shonai Airport)
4,682 mi
7,536 km · 4,069 nm
9h 39m
estimated nonstop flight time
+5.5h
time difference · heading northeast
See live IKA→SYO fares Phone-only fares on this route — call free
Flight time details
4,682 miles nonstop takes roughly 9h 39m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5.5-hour time gain when reading arrival times on your ticket.
The two airports
- IKA — Imam Khomeini International Airport · Tehran, Iran
- 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 IKA
- THR · Mehrabad International Airport21 mi away
- PYK · Payam International Airport31 mi away
- GZW · Qazvin Airport84 mi away
- NSH · Noshahr Airport88 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 IKA from SYO?
The flight distance from Tehran (IKA) to Shonai (SYO) is 4,682 miles (7,536 km, 4,069 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IKA to SYO?
A nonstop flight takes about 9h 39m 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 IKA to SYO?
Nonstop service on IKA–SYO 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 9h 39m nonstop estimate.
What is the time difference between Tehran and Shonai?
Shonai is 5.5 hours ahead of Tehran.
What is the cheapest way to fly from IKA to SYO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IKA–SYO that never appear on search engines, with no booking fees.
Why are some IKA to SYO fares phone-only?
Consolidator contracts let us sell certain IKA–SYO 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.