Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Find cheap one-way flights from Phoenix to Helena starting at US$142.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Phoenix to Helena?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Phoenix to Helena

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From US$142
Alaska Airlines
From US$164
United Airlines
From US$201
Delta Air Lines
From US$289
American Airlines
From US$454
ANA airlines

Find more flights and airlines

Frequently Asked Questions

  • When are flight tickets from Phoenix (PHX) to Helena (HLN) the cheapest?

    Airlines adjust prices for flights from Phoenix to Helena based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Phoenix (PHX) to Helena (HLN) cost?

    According to Trip.com's data, the lowest price is around $470.

Phoenix to Helena Flight Information

Off-season for travel

March

Peak season for travel

October