$231 Cheap Delta flights Helena (HLN) to Pittsburgh (PIT)

Set the "Price (lowest to highest)" filter on Expedia to look for cheap Delta Air Lines round-trip flights from $447 from HLN to PIT. Affordable one-way tickets from $231 are available too.**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.

Look for cheap Delta Air Lines flights from Helena Regional Airport (HLN) to Pittsburgh Intl. Airport (PIT) one to three months ahead of your departure. 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 journey, the best day of the week to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel 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.

Sort your results by "Morning" and "Early Morning" to see the earliest flights from HLN to PIT. Heading off early means you're 20% less likely to experience 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.

Delta Air Lines makes flying from HLN to PIT more enjoyable with an excellent in-flight experience and a rewarding loyalty program. You could even start collecting points with Delta SkyMiles. Be sure to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.