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RTB to UNI: distance & flight time
Roatan (Juan Manuel Galvez International Airport) → Union Island (Union Island International Airport)
1,698 mi
2,733 km · 1,476 nm
3h 48m
estimated nonstop flight time
+2h
time difference · heading east
See live RTB→UNI fares Phone-only fares on this route — call free
Flight time details
1,698 miles nonstop takes roughly 3h 48m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- RTB — Juan Manuel Galvez International Airport · Roatan, Honduras
- 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 RTB
- UII · Utila Airport28 mi away
- GJA · La Laguna Airport42 mi away
- LCE · Goloson International Airport45 mi away
- TJI · Trujillo Airport47 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 RTB from UNI?
The flight distance from Roatan (RTB) to Union Island (UNI) is 1,698 miles (2,733 km, 1,476 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RTB to UNI?
A nonstop flight takes about 3h 48m 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 Roatan and Union Island?
Union Island is 2 hours ahead of Roatan.
What is the cheapest way to fly from RTB to UNI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RTB–UNI that never appear on search engines, with no booking fees.