Distance From Union Island International Airport to Seychelles International Airport, UNI - SEZ Distance

The distance from Union Island International Airport (UNI) to Seychelles International Airport (SEZ) is 8103 miles or 13041 kilometers or 7037 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Union Island ( Saint Vincent and the Grenadines ) to Mahe Island ( Seychelles )?

A one-way nonstop (direct) flight between Union Island and Mahe Island takes around 18 hours 37 minutes.

Estimated flight time from Union Island International Airport, Union Island, Saint Vincent and the Grenadines to Seychelles International Airport, Mahe Island, Seychelles is 18 hours 37 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • UNI - SEZ

Kilometers		13041 km
Statute Miles		8103 miles
Nautical Miles		7037 nm
Avg. Time of Flight		18 hours 37 minutes

Union Island International Airport to Seychelles International Airport Flight Route Map - UNI to SEZ Flight Path

Location of Union Island International Airport & Seychelles International Airport is given below.
Click the map to view Union Island to Mahe Island nonstop flight path and travel direction.

Click to see flight route on Google Map between Union Island, Saint Vincent and the Grenadines and Mahe Island, Seychelles. .

Nonstop flight route between Union Island, Saint Vincent and the Grenadines and Mahe Island, Seychelles.

Time Difference Between the Airports • UNI - SEZ

Time difference between Union Island (Saint Vincent and the Grenadines) and Mahe Island (Seychelles) is 8 Hours.
Mahe Island time is 8 Hours ahead of Union Island.

Location	Local Time
Union Island (Saint Vincent and the Grenadines)	2026-10-27, 08:47:45 AST
Mahe Island (Seychelles)	2026-10-27, 16:47:45 +04

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Union Island International Airport (UNI / TVSU) Union Island, Saint Vincent and the Grenadines

Destination

Seychelles International Airport (SEZ / FSIA) Mahe Island, Seychelles