$134 Cheap Delta flights Helena (HLN) to Los Angeles (LAX)

You’ll discover affordable round-trip Delta Air Lines flights from $267 from HLN to LAX by organizing your results from “Price (lowest to highest)” on Expedia. Or look for deals from $134 for a one-way trip.**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.

Search for one-way or round-trip flights to Los Angeles in January or February. You could find cheaper fares with Delta Air Lines during these off-season months.

To find cheap Delta Air Lines fares from Helena Regional Airport (HLN) to Los Angeles Intl. Airport (LAX), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the overall price. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**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.

Use our “Nonstop” filter when browsing for direct Delta Air Lines flights from HLN to LAX. You can also compare other airlines offering the same direct route.

Find Delta Air Lines’s earliest flights from HLN to LAX by using the “Morning” and “Early Morning” filters. Not only will you arrive sooner, early departures also experience 20% fewer cancellations.**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.

Los Angeles Intl. Airport (LAX) is the main Los Angeles gateway for Delta Air Lines flights from Helena Regional Airport (HLN).

Traveling from HLN to LAX with Delta Air Lines comes with a host of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to use on select future travel purchases. That’s in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your ticket type, a fee may apply if you change or cancel your flight more than 24 hours after it’s confirmed. To find tickets with more flexibility, select our “No cancel fee” or “Changes included” filter while searching for flights. For more details on canceling or modifying your reservation, head to “Trips,” select your flight and tick “Manage Booking.”