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ISJ to DUC: distance & flight time
Isla Mujeres (Isla Mujeres Airport) → Duncan (Halliburton Field)
1,140 mi
1,835 km · 991 nm
2h 57m
estimated nonstop flight time
Same time
time difference · heading northwest
See live ISJ→DUC fares Phone-only fares on this route — call free
Flight time details
1,140 miles nonstop takes roughly 2h 57m gate to gate, flying northwest. 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
- ISJ — Isla Mujeres Airport · Isla Mujeres, Mexico
- DUC — Halliburton Field · Duncan, United States
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 DUC
Frequently asked questions
How far is ISJ from DUC?
The flight distance from Isla Mujeres (ISJ) to Duncan (DUC) is 1,140 miles (1,835 km, 991 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISJ to DUC?
A nonstop flight takes about 2h 57m 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 ISJ to DUC?
Nonstop service on ISJ–DUC 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 2h 57m nonstop estimate.
What is the cheapest way to fly from ISJ to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISJ–DUC that never appear on search engines, with no booking fees.
Why are some ISJ to DUC fares phone-only?
Consolidator contracts let us sell certain ISJ–DUC 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.