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SKF to HLN: distance & flight time
San Antonio (Lackland Air Force Base) → Helena (Helena Regional Airport)
1,391 mi
2,239 km · 1,209 nm
3h 29m
estimated nonstop flight time
-1h
time difference · heading northwest
See live SKF→HLN fares Phone-only fares on this route — call free
Flight time details
1,391 miles nonstop takes roughly 3h 29m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- SKF — Lackland Air Force Base · San Antonio, United States
- HLN — Helena Regional Airport · Helena, 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 SKF
- SSF · Stinson Municipal Airport7 mi away
- SAT · San Antonio International Airport12 mi away
- RND · Randolph Air Force Base21 mi away
- AUS · Austin Bergstrom International Airport78 mi away
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
Frequently asked questions
How far is SKF from HLN?
The flight distance from San Antonio (SKF) to Helena (HLN) is 1,391 miles (2,239 km, 1,209 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SKF to HLN?
A nonstop flight takes about 3h 29m 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 San Antonio and Helena?
Helena is 1 hour behind San Antonio.
What is the cheapest way to fly from SKF to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SKF–HLN that never appear on search engines, with no booking fees.