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HLN to SLP: distance & flight time
Helena (Helena Regional Airport) → San Luis Potosi (Ponciano Arriaga International Airport)
1,792 mi
2,885 km · 1,558 nm
3h 59m
estimated nonstop flight time
Same time
time difference · heading southeast
See live HLN→SLP fares Phone-only fares on this route — call free
Flight time details
1,792 miles nonstop takes roughly 3h 59m gate to gate, flying southeast. 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
- HLN — Helena Regional Airport · Helena, United States
- SLP — Ponciano Arriaga International Airport · San Luis Potosi, 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 HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 mi away
Near SLP
Frequently asked questions
How far is HLN from SLP?
The flight distance from Helena (HLN) to San Luis Potosi (SLP) is 1,792 miles (2,885 km, 1,558 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to SLP?
A nonstop flight takes about 3h 59m 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 HLN to SLP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–SLP that never appear on search engines, with no booking fees.