$69 Cheap Delta flights Boston (BOS) to Jacksonville (JAX)

Scoring cheap one-way Delta Air Lines flights from BOS to JAX from $69 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $137 for your next exciting getaway.**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.

To find cheap Delta Air Lines fares from Logan Intl. Airport (BOS) to Jacksonville Intl. Airport (JAX), start searching one to three months before your intended departure. Securing 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 cost. Sunday is typically 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.

Taking off from BOS at 8:25AM UTC-5, the earliest Delta Air Lines flight to JAX arrives at 11:35AM UTC-5. Traveling early means you'll be less likely to encounter delays or cancellations.* Prefer a later start? The last Delta Air Lines flight from BOS to JAX departs at 6:30PM UTC-5 and touches down at 9:47PM UTC-5.*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.

With an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a top choice for many passengers flying from BOS to JAX. Also, if you're a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be spent on future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.