Flight prices from Tri-Cities to San Diego

There’s no fixed price — fares between Tri-Cities Regional and San Diego can vary a lot by day or time.

The lowest fare seen in the past 15 days was $178.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

Best airport options between Tri-Cities Regional and San Diego

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

• Airports in Tri-Cities Regional: Tri-Cities Regional - Tri-Cities is the only operating airport.
• Airports in San Diego: McClellan-Palomar offers an alternative to San Diego - International.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Adjust your flight filters for Tri-Cities – San Diego

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from agencies like Expedia, eDreams, and more.

Other popular destinations

Planning a trip to United States? These cities are popular too: Atlanta, Los Angeles, Miami, New York City, Orlando.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.