$186 Cheap Flights from Tri-Cities (TRI) to San Antonio (SAT)

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Cheap Flights from Tri-Cities to San Antonio (TRI-SAT)

Prices were available within the past 7 days and start at $186 for one-way flights and $371 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
American Airlines
Delta
Delta
Delta
American Airlines
American Airlines
Delta
American Airlines
Delta
Flights from Tri-Cities (TRI) to San Antonio (SAT)
Origin airport
Tri-Cities Regional
Destination airport
San Antonio Intl.
Airlines serving
American Airlines, Delta
Roundtrip price
$370
Distance
1045 mi

Tri-Cities to San Antonio Flights

The cheapest times to fly from Tri-Cities to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Tri-Cities to San Antonio are during the month of May. You can find some of the cheapest flights from Tri-Cities to San Antonio with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Tri-Cities to San Antonio

Sunday is one of the best days to book for cheap flights from Tri-Cities to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Tri-Cities to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Tri-Cities to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $186 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Tri-Cities to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Tri-Cities to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Tri-Cities Regional Airport (TRI) to San Antonio Intl. Airport (SAT) cost?
Discover the latest flight deals from TRI to SAT by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from TRI to SAT?
The cheapest flights from TRI to SAT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from TRI to SAT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from TRI to SAT. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Tri-Cities Regional Airport (TRI) to San Antonio Intl. Airport (SAT)?
You’ll need to hop on a flight with a layover when traveling from Tri-Cities Regional Airport (TRI) to San Antonio Intl. Airport (SAT). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from TRI to SAT?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tri-Cities Regional Airport (TRI) to San Antonio Intl. Airport (SAT)?
To avoid potential delays on the Tri-Cities Regional Airport (TRI) to San Antonio Intl. Airport (SAT) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Tri-Cities Regional Airport (TRI) to San Antonio Intl. Airport (SAT) last-minute?
Holding off until just before your trip to book a ticket from TRI to SAT often results in higher prices. While it’s possible to find some last-minute discounts, there’s no guarantee. Be flexible with your travel plans to boost your chances of landing a bargain.
Is it cheaper to book a TRI to SAT flight and hotel package?
Opting for a TRI to SAT flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our wide range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Tri-Cities Regional Airport (TRI) to San Antonio Intl. Airport (SAT)?
In most cases, you can modify or cancel your TRI to SAT flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline’s guidelines and fees on flight changes, or if you want further details, go to our Customer Service portal.

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*Available to One Key members.