$208 Cheap Aer Lingus flights Alicante (ALC) to Southampton (SOU)

You can find cheap round-trip Aer Lingus flights from ALC to SOU by filtering your results from "Price (lowest to highest)" on Expedia. Or look for options from $208 for a one-way journey.**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 affordable flights from ALC to SOU with Aer Lingus, start searching 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. 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 departure from ALC to SOU with Aer Lingus, sort your results by "Morning" and "Early Morning." Booking an early flight generally means you're 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.

Aer Lingus makes flying from ALC to SOU more comfortable with a rewarding loyalty program and a 4-star airline rating. You also have the chance to earn points with Aer Lingus AerClub. Remember to join Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.