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HLN to BUF: distance & flight time
Helena (Helena Regional Airport) → Buffalo (Buffalo Niagara International Airport)
1,638 mi
2,636 km · 1,423 nm
3h 41m
estimated nonstop flight time
+2h
time difference · heading east
See live HLN→BUF fares Phone-only fares on this route — call free
Flight time details
1,638 miles nonstop takes roughly 3h 41m 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
- BUF — Buffalo Niagara International Airport · Buffalo, 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 BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 mi away
Frequently asked questions
How far is HLN from BUF?
The flight distance from Helena (HLN) to Buffalo (BUF) is 1,638 miles (2,636 km, 1,423 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to BUF?
A nonstop flight takes about 3h 41m 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 Buffalo?
Buffalo is 2 hours ahead of Helena.
What is the cheapest way to fly from HLN to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–BUF that never appear on search engines, with no booking fees.