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SXI to UNI: distance & flight time
Siri Island (Sirri Island Airport) → Union Island (Union Island International Airport)
7,378 mi
11,874 km · 6,412 nm
14h 56m
estimated nonstop flight time
-7.5h
time difference · heading northwest
See live SXI→UNI fares Phone-only fares on this route — call free
Flight time details
7,378 miles nonstop takes roughly 14h 56m 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
- SXI — Sirri Island Airport · Siri Island, 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 SXI
- DXB · Dubai International Airport69 mi away
- AEU · Abu Musa Island Airport31 mi away
- BDH · Bandar Lengeh Airport47 mi away
- KIH · Kish International Airport55 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 SXI from UNI?
The flight distance from Siri Island (SXI) to Union Island (UNI) is 7,378 miles (11,874 km, 6,412 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SXI to UNI?
A nonstop flight takes about 14h 56m 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 Siri Island and Union Island?
Union Island is 7.5 hours behind Siri Island.
What is the cheapest way to fly from SXI to UNI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SXI–UNI that never appear on search engines, with no booking fees.