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IGR to ALN: distance & flight time
Iguazu Falls (Cataratas Del Iguazú International Airport) → Alton/St Louis (St Louis Regional Airport)
5,022 mi
8,082 km · 4,364 nm
10h 19m
estimated nonstop flight time
—
time difference · heading northwest
See live IGR→ALN fares Phone-only fares on this route — call free
Flight time details
5,022 miles nonstop takes roughly 10h 19m 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
- IGR — Cataratas Del Iguazú International Airport · Iguazu Falls, Argentina
- ALN — St Louis Regional Airport · Alton/St Louis, 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 IGR
- IGU · Cataratas International Airport9 mi away
- AGT · Guarani International Airport30 mi away
- ELO · El Dorado Airport46 mi away
- CAC · Cascavel Airport79 mi away
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
Frequently asked questions
How far is IGR from ALN?
The flight distance from Iguazu Falls (IGR) to Alton/St Louis (ALN) is 5,022 miles (8,082 km, 4,364 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IGR to ALN?
A nonstop flight takes about 10h 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 IGR to ALN?
Nonstop service on IGR–ALN 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 10h 19m nonstop estimate.
What is the cheapest way to fly from IGR to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IGR–ALN that never appear on search engines, with no booking fees.
Why are some IGR to ALN fares phone-only?
Consolidator contracts let us sell certain IGR–ALN 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.