$243 Cheap American Airlines flights Erie (ERI) to San Diego (SAN)

Set the “Price (lowest to highest)” filter on Expedia to find cheap American Airlines return flights from $475 from ERI to SAN. Affordable one-way tickets from $243 are also available.**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.

American Airlines flights to San Diego are often cheaper in the quieter months of January and November. Whether you need a return or one-way ticket, you could score a better deal then.

For cheap American Airlines fares from Erie Intl. Airport (ERI) to San Diego Intl. Airport (SAN), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the cost. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**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.

Simply enter your dates, click search and use the “Nonstop” filter on Expedia to browse any direct flights from ERI to SAN with American Airlines or another carrier.

Filter your results by “Morning” and “Early Morning” to see the earliest flights from ERI to SAN. Heading off early means you’re 20% 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.

Take an American Airlines flight from Erie Intl. Airport (ERI) to San Diego, and you’ll probably come in to San Diego Intl. Airport (SAN). This is the airline’s primary hub in this destination.

Depending on your ticket type, a fee will generally apply if you cancel or change your booking more than 24 hours after it’s been confirmed. To secure plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when you search for flights. For additional information on canceling or changing your reservation, head to “Trips,” select your flight and tick “Manage Booking.”