$386 Cheap Delta flights Boston (BOS) to Poznan (POZ)

Scoring cheap one-way Delta Air Lines flights from BOS to POZ from $386 on Expedia is easy --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $401 for your next exciting vacation.**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 get affordable flights from BOS to POZ with Delta Air Lines, start your search about one month before your planned departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Want another tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**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.

To find the earliest departures from BOS to POZ with Delta Air Lines, filter your results by "Morning" and "Early Morning." Booking an early flight generally means cancellations are less likely.**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 heading from BOS to POZ. Plus, 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 go toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.