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THR to UNI: distance & flight time
Teheran (Mehrabad International Airport) → Union Island (Union Island International Airport)
6,931 mi
11,154 km · 6,023 nm
14h 3m
estimated nonstop flight time
-7.5h
time difference · heading northwest
See live THR→UNI fares Phone-only fares on this route — call free
Flight time details
6,931 miles nonstop takes roughly 14h 3m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7.5-hour time set-back when reading arrival times on your ticket.
The two airports
- THR — Mehrabad International Airport · Teheran, Iran
- UNI — Union Island International Airport · Union Island, Saint Vincent and the Grenadines
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 THR
- IKA · Imam Khomeini International Airport21 mi away
- PYK · Payam International Airport28 mi away
- NSH · Noshahr Airport68 mi away
- GZW · Qazvin Airport80 mi away
Near UNI
- CIW · Canouan Airport8 mi away
- MQS · Mustique Airport25 mi away
- BQU · J F Mitchell Airport29 mi away
- SVD · Argyle International Airport42 mi away
Frequently asked questions
How far is THR from UNI?
The flight distance from Teheran (THR) to Union Island (UNI) is 6,931 miles (11,154 km, 6,023 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THR to UNI?
A nonstop flight takes about 14h 3m 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 Teheran and Union Island?
Union Island is 7.5 hours behind Teheran.
What is the cheapest way to fly from THR to UNI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–UNI that never appear on search engines, with no booking fees.