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HLN to PDX: distance & flight time
Helena (Helena Regional Airport) → Portland (Portland International Airport)
513 mi
826 km · 446 nm
1h 35m
estimated nonstop flight time
-1h
time difference · heading west
See live HLN→PDX fares Phone-only fares on this route — call free
Flight time details
513 miles nonstop takes roughly 1h 35m 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
- PDX — Portland International Airport · Portland, 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 PDX
- TTD · Portland Troutdale Airport10 mi away
- HIO · Portland Hillsboro Airport17 mi away
- KLS · Southwest Washington Regional Airport39 mi away
- SLE · Salem Municipal Airport/McNary Field51 mi away
Frequently asked questions
How far is HLN from PDX?
The flight distance from Helena (HLN) to Portland (PDX) is 513 miles (826 km, 446 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to PDX?
A nonstop flight takes about 1h 35m 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 Portland?
Portland is 1 hour behind Helena.
What is the cheapest way to fly from HLN to PDX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–PDX that never appear on search engines, with no booking fees.