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HLN to LAF: distance & flight time
Helena (Helena Regional Airport) → Lafayette (Purdue University Airport)
1,319 mi
2,123 km · 1,147 nm
3h 20m
estimated nonstop flight time
+2h
time difference · heading east
See live HLN→LAF fares Phone-only fares on this route — call free
Flight time details
1,319 miles nonstop takes roughly 3h 20m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- HLN — Helena Regional Airport · Helena, United States
- LAF — Purdue University Airport · Lafayette, 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 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 LAF
- DNV · Vermilion Regional Airport38 mi away
- RNZ · Jasper County Airport39 mi away
- GUS · Grissom Air Reserve Base44 mi away
- OKK · Kokomo Municipal Airport47 mi away
Frequently asked questions
How far is HLN from LAF?
The flight distance from Helena (HLN) to Lafayette (LAF) is 1,319 miles (2,123 km, 1,147 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to LAF?
A nonstop flight takes about 3h 20m 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 Helena and Lafayette?
Lafayette is 2 hours ahead of Helena.
What is the cheapest way to fly from HLN to LAF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–LAF that never appear on search engines, with no booking fees.