$219 Cheap American Airlines flights Tri-Cities (TRI) to San Diego (SAN)

You’ll find budget-friendly return American Airlines flights from $431 from TRI to SAN by sorting your results from “Price (lowest to highest)” on Expedia. Or look for deals from $219 for a one-way trip.**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.

January is one of the cheapest months to fly to San Diego with American Airlines. You could also find great prices on one-way and round-trip fares in November.

For cheap American Airlines fares from Tri-Cities Regional Airport (TRI) 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 affect the overall cost. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip 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.

Fill in your dates, hit search and tick the “Nonstop” filter on Expedia to browse any direct flights from TRI to SAN with American Airlines or other carriers.

Sort your results by “Early Morning” and “Morning” to find the earliest flights from TRI to SAN. Heading off 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.

San Diego Intl. Airport (SAN) is the primary San Diego gateway for American Airlines flights from Tri-Cities Regional Airport (TRI).

It’s usually possible to cancel or modify your flight, although additional charges may apply if you made your booking more than 24 hours ago. Need to keep your options open? Make use of Expedia’s “No cancel fee” or “Changes included” filter to find flights that won’t charge you extra if you need to alter your plans. To update your booking, visit “Trips,” select your flight and click on “Manage Booking” for more information.