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HLN to SKF: distance & flight time
Helena (Helena Regional Airport) → San Antonio (Lackland Air Force Base)
1,391 mi
2,239 km · 1,209 nm
3h 29m
estimated nonstop flight time
+1h
time difference · heading southeast
See live HLN→SKF fares Phone-only fares on this route — call free
Flight time details
1,391 miles nonstop takes roughly 3h 29m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- HLN — Helena Regional Airport · Helena, United States
- SKF — Lackland Air Force Base · San Antonio, 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 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
Frequently asked questions
How far is HLN from SKF?
The flight distance from Helena (HLN) to San Antonio (SKF) 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 HLN to SKF?
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 Helena and San Antonio?
San Antonio is 1 hour ahead of Helena.
What is the cheapest way to fly from HLN to SKF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–SKF that never appear on search engines, with no booking fees.