$140 Cheap Delta flights Helena (HLN) to Phoenix (PHX)

Make use of the “Price (lowest to highest)” filter on Expedia to find cheap Delta Air Lines return flights from $307 from HLN to PHX. Affordable one-way tickets from $140 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

July is one of the least expensive months to jet away to Phoenix with Delta Air Lines. You could also find great prices on one-way and round-trip tickets in August.

Look for cheap Delta Air Lines flights from Helena Regional Airport (HLN) to Sky Harbor Intl. Airport (PHX) one to three months prior to your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and itinerary, the best day of the week to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Enter your dates, press search and select the “Nonstop” filter on Expedia to find any direct flights from HLN to PHX with Delta Air Lines or another carrier.

Browse Delta Air Lines’s earliest flights from HLN to PHX by selecting our “Morning” and “Early Morning” filters. Not only will you get to your destination sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Jump on a Delta Air Lines flight from Helena Regional Airport (HLN) to Phoenix, and you’ll probably come in to Sky Harbor Intl. Airport (PHX). This is the airline’s primary hub in this destination.

With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a favorite for many passengers heading from HLN to PHX. Also, if you’re a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be put toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are usually free within 24 hours of booking, but your airline may charge you after that time. For more details about altering your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to change your plans without additional charges, check the “Changes included” and “No cancel fee” filters when organizing your trip.