Cheap flights from Helena to Chicago

One-way fares from $417 · HLN → CHI · prices found by travellers in the last 48 hours

Compare all dates Chicago → Helena
Cheapest fare
$417

Alaska Airlines · Sat, Nov 14

Cheapest month
November

from $417

Direct flights
Not recently

Usually 1+ stop

Quickest trip
9h 21m

2,000 km

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Cheapest month to fly from Helena to Chicago

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $417

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Alaska Airlines
Depart16:41 Sat, Nov 14HLN → ORD 9h 21m · 3 stops
$417one way, per person
View deal
See every date in November 2026 →

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About flights from Helena to Chicago

Helena (HLN) and Chicago (CHI) are about 2,000 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 9h 21m. Over the next few months, one-way fares start from $417, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Helena to Chicago?

The cheapest one-way fare we've seen recently is $417 with Alaska Airlines, departing Saturday, November 14, 2026.

What is the cheapest month to fly from Helena to Chicago?

November 2026 currently has the lowest fares, from $417 one way.

Are there direct flights from Helena to Chicago?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Helena to Chicago?

The quickest journey we've seen takes about 9h 21m. Helena and Chicago are around 2,000 km apart.

Which airlines fly from Helena to Chicago?

Recent fares on this route were with Alaska Airlines.

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