Need help booking?
Unpublished phone-only deals available
DLS to HLN: distance & flight time
The Dalles (Columbia Gorge Regional the Dalles Municipal Airport) → Helena (Helena Regional Airport)
445 mi
716 km · 387 nm
1h 26m
estimated nonstop flight time
+1h
time difference · heading east
See live DLS→HLN fares Phone-only fares on this route — call free
Flight time details
445 miles nonstop takes roughly 1h 26m gate to gate, flying east. 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
- DLS — Columbia Gorge Regional the Dalles Municipal Airport · The Dalles, 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 DLS
- TTD · Portland Troutdale Airport60 mi away
- PDX · Portland International Airport69 mi away
- YKM · Yakima Air Terminal McAllister Field72 mi away
- HIO · Portland Hillsboro Airport86 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 DLS from HLN?
The flight distance from The Dalles (DLS) to Helena (HLN) is 445 miles (716 km, 387 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DLS to HLN?
A nonstop flight takes about 1h 26m 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 The Dalles and Helena?
Helena is 1 hour ahead of The Dalles.
What is the cheapest way to fly from DLS to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DLS–HLN that never appear on search engines, with no booking fees.