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HLN to HAF: distance & flight time
Helena (Helena Regional Airport) → Half Moon Bay (Half Moon Bay Airport)
827 mi
1,330 km · 718 nm
2h 16m
estimated nonstop flight time
—
time difference · heading southwest
See live HLN→HAF fares Phone-only fares on this route — call free
Flight time details
827 miles nonstop takes roughly 2h 16m gate to gate, flying southwest. 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
- HAF — Half Moon Bay Airport · Half Moon Bay, 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 HAF
- SFO · San Francisco International Airport10 mi away
- SQL · San Carlos Airport14 mi away
- OAK · Metropolitan Oakland International Airport21 mi away
- PAO · Palo Alto Airport of Santa Clara County21 mi away
Frequently asked questions
How far is HLN from HAF?
The flight distance from Helena (HLN) to Half Moon Bay (HAF) is 827 miles (1,330 km, 718 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to HAF?
A nonstop flight takes about 2h 16m 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 HAF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–HAF that never appear on search engines, with no booking fees.