Cheap Flights from San Francisco (SFO) to Tri-Cities (TRI)

Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey from San Francisco Airport to Tri-Cities Regional Airport (TRI) was . Cheap fares don't wait forever, so book yours today. Prices and availability are subject to change. Additional terms apply.

Most flights can be cancelled online, but each air carrier has different terms and conditions. If you do need to cancel your flight, visit our Customer Service Portal and follow the instructions.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for San Francisco Airport to Tri-Cities Regional Airport (TRI) flights, you'll see a "no change fees" filter for you to select.

Around 3,500 kilometres separates San Francisco and Blountville, so pack some entertainment to help you while away a couple of hours. That novel you've yet to start will do the trick.

If you want to fly straight from SFO to TRI, you'll have to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly between these airports.

Last-minute bookings from San Francisco Intl. Airport (SFO) to TRI can be hit-or-miss. You may be able to score a bargain, but you could also miss out entirely! If you'd prefer to start planning your trip early on, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines publish their prices that far in advance. Our top tip? Check back often as prices are updated regularly.