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ISJ to UNI: distance & flight time
Isla Mujeres (Isla Mujeres Airport) → Union Island (Union Island International Airport)
1,775 mi
2,856 km · 1,542 nm
3h 57m
estimated nonstop flight time
+1h
time difference · heading east
See live ISJ→UNI fares Phone-only fares on this route — call free
Flight time details
1,775 miles nonstop takes roughly 3h 57m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- ISJ — Isla Mujeres Airport · Isla Mujeres, Mexico
- 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 ISJ
- CUN · Cancún International Airport17 mi away
- CZM · Cozumel International Airport51 mi away
- CZA · Chichen Itza International Airport118 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 ISJ from UNI?
The flight distance from Isla Mujeres (ISJ) to Union Island (UNI) is 1,775 miles (2,856 km, 1,542 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISJ to UNI?
A nonstop flight takes about 3h 57m 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 Isla Mujeres and Union Island?
Union Island is 1 hour ahead of Isla Mujeres.
What is the cheapest way to fly from ISJ to UNI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISJ–UNI that never appear on search engines, with no booking fees.