$639 Cheap Aer Lingus flights San Diego (SAN) to Newquay (NQY)

Scoring cheap one-way Aer Lingus flights from SAN to NQY from $639 on Expedia is a breeze --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $1,085 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 affordable flights from SAN to NQY with Aer Lingus, begin searching about one month before your intended 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 SAN to NQY with Aer Lingus, filter your results by "Early Morning" and "Morning." Choosing an early flight usually 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.

Aer Lingus makes flying from SAN to NQY enjoyable with a rewarding loyalty program and a 4-star airline rating. You even have the chance to collect points with Aer Lingus AerClub. Remember to sign up to our 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.