$197 Cheap Delta flights Boston (BOS) to Idaho Falls (IDA)

You can find cheap return Delta Air Lines flights from $397 from BOS to IDA by filtering your results from “Price (lowest to highest)” on Expedia. Or look for deals from $197 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.

Delta Air Lines flights to Idaho Falls are usually more affordable in the low-season months of January and February. Whether you need a one-way or round-trip ticket, you could find a better deal then.

Look for affordable Delta Air Lines flights from Logan Intl. Airport (BOS) to Idaho Falls Regional Airport (IDA) 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. Regardless of fare class and itinerary, 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 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.

Fill in your dates, press search and use the “Nonstop” filter on Expedia to find any direct flights from BOS to IDA with Delta Air Lines or other carriers.

Search Delta Air Lines’s earliest flights from BOS to IDA by using the “Early Morning” and “Morning” filters. Not only will you get to where you’re going 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.

Take a Delta Air Lines flight from Logan Intl. Airport (BOS) to Idaho Falls, and you’ll likely touch down at Idaho Falls Regional Airport (IDA). This is the airline’s primary hub in this city.

Taking off from BOS to IDA with Delta Air Lines means enjoying a variety of perks, such as an excellent in-flight experience and a rewarding loyalty program. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That’s on top of 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 the type of fare you purchased, a fee is typically charged if you modify or cancel your booking more than 24 hours after it’s confirmed. To find tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when you search for flights. For more details on canceling or modifying your reservation, head to “Trips,” select your flight and tick “Manage Booking.”