
$286 Cheap Delta flights from Tri-Cities to San Diego (TRI to SAN)
Find The Best Day To Fly from Tri-Cities to San Diego
Amazing Delta TRI to SAN Flight Deals
The cheapest flights to San Diego Intl. found within the past 7 days were $297 round trip and $286 one way. Prices and availability subject to change. Additional terms may apply.
SAN From TRI Economy Coach Packages on Similar Airlines



Frequently asked questions
Discover our best Delta flight from Tri-Cities TRI to San Diego SAN
To find the best deals on flights to Tri-Cities from San Diego with Delta, just enter your travel dates, filter by Delta, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Tri-Cities TRI to San Diego SAN with Delta
If you’re planning a round trip, booking return flights with Delta is usually the most cost-effective option. With airfares ranging from $297 to $408, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way Delta flights from Tri-Cities TRI to San Diego SAN
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Delta flight from Tri-Cities to San Diego costs from $286. Prices and availability subject to change. Additional terms may apply.
