$1,051 Cheap Aer Lingus flights Bristol (BRS) to San Diego (SAN)

Landing cheap one-way Aer Lingus flights from BRS to SAN from $1,051 on Expedia couldn't be easier --- just filter by "Price (lowest to highest)." Or check out our affordable return fares from $1,573 for your next exciting adventure.**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 discover cheap flights from BRS to SAN 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 good 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.

Filter your results by "Early Morning" and "Morning" to browse the earliest departures from BRS to SAN. Leaving early 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 BRS to SAN enjoyable with a 4-star airline rating and a rewarding loyalty program. You may even earn points with Aer Lingus AerClub. Remember to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.