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ZIN to UNI: distance & flight time
Interlaken (Interlaken Air Base) → Union Island (Union Island International Airport)
4,609 mi
7,417 km · 4,005 nm
9h 30m
estimated nonstop flight time
-6h
time difference · heading west
See live ZIN→UNI fares Phone-only fares on this route — call free
Flight time details
4,609 miles nonstop takes roughly 9h 30m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- ZIN — Interlaken Air Base · Interlaken, Switzerland
- 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 ZIN
- BRN · Bern Belp Airport24 mi away
- BXO · Buochs Airport32 mi away
- EML · Emmen Air Base35 mi away
- SIR · Sion Airport41 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 ZIN from UNI?
The flight distance from Interlaken (ZIN) to Union Island (UNI) is 4,609 miles (7,417 km, 4,005 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZIN to UNI?
A nonstop flight takes about 9h 30m 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 Interlaken and Union Island?
Union Island is 6 hours behind Interlaken.
What is the cheapest way to fly from ZIN to UNI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZIN–UNI that never appear on search engines, with no booking fees.