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ALN to CUN: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Cancun (Cancún International Airport)
1,248 mi
2,008 km · 1,084 nm
3h 11m
estimated nonstop flight time
—
time difference · heading south
See live ALN→CUN fares Phone-only fares on this route — call free
Flight time details
1,248 miles nonstop takes roughly 3h 11m gate to gate, flying south. 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
- ALN — St Louis Regional Airport · Alton/St Louis, United States
- CUN — Cancún International Airport · Cancun, Mexico
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 ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 mi away
Near CUN
- ISJ · Isla Mujeres Airport17 mi away
- CZM · Cozumel International Airport36 mi away
- CZA · Chichen Itza International Airport105 mi away
Frequently asked questions
How far is ALN from CUN?
The flight distance from Alton/St Louis (ALN) to Cancun (CUN) is 1,248 miles (2,008 km, 1,084 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to CUN?
A nonstop flight takes about 3h 11m 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 cheapest way to fly from ALN to CUN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–CUN that never appear on search engines, with no booking fees.