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USI to UNI: distance & flight time
Mabaruma (Mabaruma Airport) → Union Island (Union Island International Airport)
324 mi
521 km · 281 nm
1h 19m
estimated nonstop flight time
Same time
time difference · heading north
See live USI→UNI fares Phone-only fares on this route — call free
Flight time details
324 miles nonstop takes roughly 1h 19m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- USI — Mabaruma Airport · Mabaruma, Guyana
- 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 USI
- TMO · Tumeremo Airport136 mi away
- GFO · Bartica A Airport149 mi away
- OGL · Eugene F. Correira International Airport150 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 USI from UNI?
The flight distance from Mabaruma (USI) to Union Island (UNI) is 324 miles (521 km, 281 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USI to UNI?
A nonstop flight takes about 1h 19m 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 USI to UNI?
Nonstop service on USI–UNI 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 1h 19m nonstop estimate.
What is the cheapest way to fly from USI to UNI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USI–UNI that never appear on search engines, with no booking fees.
Why are some USI to UNI fares phone-only?
Consolidator contracts let us sell certain USI–UNI 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.