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HLN to TBB: distance & flight time
Helena (Helena Regional Airport) → Tuy Hoa (Dong Tac Airport)
7,586 mi
12,208 km · 6,592 nm
15h 20m
estimated nonstop flight time
+13h
time difference · heading northwest
See live HLN→TBB fares Phone-only fares on this route — call free
Flight time details
7,586 miles nonstop takes roughly 15h 20m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- HLN — Helena Regional Airport · Helena, United States
- TBB — Dong Tac Airport · Tuy Hoa, Vietnam
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 TBB
- NHA · Nha Trang Air Base58 mi away
- UIH · Phu Cat Airport66 mi away
- CXR · Cam Ranh Airport73 mi away
- BMV · Buon Ma Thuot Airport86 mi away
Frequently asked questions
How far is HLN from TBB?
The flight distance from Helena (HLN) to Tuy Hoa (TBB) is 7,586 miles (12,208 km, 6,592 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to TBB?
A nonstop flight takes about 15h 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 Tuy Hoa?
Tuy Hoa is 13 hours ahead of Helena.
What is the cheapest way to fly from HLN to TBB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–TBB that never appear on search engines, with no booking fees.