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HLN to DLS: distance & flight time
Helena (Helena Regional Airport) → The Dalles (Columbia Gorge Regional the Dalles Municipal Airport)
445 mi
716 km · 387 nm
1h 26m
estimated nonstop flight time
-1h
time difference · heading west
See live HLN→DLS fares Phone-only fares on this route — call free
Flight time details
445 miles nonstop takes roughly 1h 26m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- HLN — Helena Regional Airport · Helena, United States
- DLS — Columbia Gorge Regional the Dalles Municipal Airport · The Dalles, 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 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
Frequently asked questions
How far is HLN from DLS?
The flight distance from Helena (HLN) to The Dalles (DLS) is 445 miles (716 km, 387 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to DLS?
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 Helena and The Dalles?
The Dalles is 1 hour behind Helena.
What is the cheapest way to fly from HLN to DLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–DLS that never appear on search engines, with no booking fees.