Cheap Aer Lingus flights Boston (BOS) to Perpignan (PGF)

Scoring cheap one-way Aer Lingus flights from BOS to PGF on Expedia couldn't be simpler --- just filter by "Price (lowest to highest)." Or check out our affordable return fares from $907 for your next break.**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.

Snagging the best Aer Lingus deals from BOS to PGF is typically all about timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. To top it off, you can pocket 17% on average by buying your tickets on a Sunday rather than a Friday, which is usually the most expensive day to book.* It's smart to kick off your flight search about one month before your departure date.*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 departure from BOS to PGF with Aer Lingus, sort your results by "Early Morning" and "Morning." Booking an early flight generally means you'll experience 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.

Jetting off from BOS to PGF with Aer Lingus means enjoying a host of perks, including a rewarding loyalty program and a 4-star airline rating. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That's on top of the Aer Lingus AerClub points you can earn with Aer Lingus.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.