$247 Cheap Flights from San Antonio (SAT) to Tri-Cities (TRI)

View $247 flight on Fri, Oct 24, 2025Opens in a new window

Popular airlines from San Antonio International Airport (SAT) to Tri-Cities, TN (TRI-Tri-Cities Regional)

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

Prices were available within the past 7 days and start at $247 for one-way flights and $309 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Sep 29 - Tue, Oct 14
SAT
San Antonio
TRI
Tri-Cities
$309 Roundtrip, found 1 hour ago
$309
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Sep 29 from San Antonio to Tri-Cities, returning Tue, Oct 14, priced at $309 found 1 hour ago
Delta
Tue, Aug 19 - Sat, Aug 23
SAT
San Antonio
TRI
Tri-Cities
$319 Roundtrip, found 5 days ago
$319
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Aug 19 from San Antonio to Tri-Cities, returning Sat, Aug 23, priced at $319 found 5 days ago
Delta
Wed, Nov 19 - Sat, Nov 22
SAT
San Antonio
TRI
Tri-Cities
$324 Roundtrip, found 2 hours ago
$324
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Nov 19 from San Antonio to Tri-Cities, returning Sat, Nov 22, priced at $324 found 2 hours ago
Delta
Sun, Oct 26 - Fri, Nov 7
SAT
San Antonio
TRI
Tri-Cities
$334 Roundtrip, found 1 hour ago
$334
Roundtrip
found 1 hour ago
Select Delta flight, departing Sun, Oct 26 from San Antonio to Tri-Cities, returning Fri, Nov 7, priced at $334 found 1 hour ago
Delta
Tue, Sep 9 - Tue, Sep 23
SAT
San Antonio
TRI
Tri-Cities
$339 Roundtrip, found 12 hours ago
$339
Roundtrip
found 12 hours ago
Select Delta flight, departing Tue, Sep 9 from San Antonio to Tri-Cities, returning Tue, Sep 23, priced at $339 found 12 hours ago
American Airlines
Sat, Aug 23 - Sat, Aug 30
SAT
San Antonio
TRI
Tri-Cities
$344 Roundtrip, found 1 hour ago
$344
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Aug 23 from San Antonio to Tri-Cities, returning Sat, Aug 30, priced at $344 found 1 hour ago
Delta
Wed, Sep 10 - Tue, Sep 23
SAT
San Antonio
TRI
Tri-Cities
$348 Roundtrip, found 1 hour ago
$348
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Sep 10 from San Antonio to Tri-Cities, returning Tue, Sep 23, priced at $348 found 1 hour ago
Delta
Sun, Oct 26 - Mon, Nov 3
SAT
San Antonio
TRI
Tri-Cities
$348 Roundtrip, found 3 days ago
$348
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Oct 26 from San Antonio to Tri-Cities, returning Mon, Nov 3, priced at $348 found 3 days ago
Delta
Mon, Sep 15 - Sat, Oct 4
SAT
San Antonio
TRI
Tri-Cities
$352 Roundtrip, found 1 hour ago
$352
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Sep 15 from San Antonio to Tri-Cities, returning Sat, Oct 4, priced at $352 found 1 hour ago
Delta
Sat, Aug 23 - Sun, Aug 31
SAT
San Antonio
TRI
Tri-Cities
$354 Roundtrip, found 1 hour ago
$354
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Aug 23 from San Antonio to Tri-Cities, returning Sun, Aug 31, priced at $354 found 1 hour ago

Find the cheapest month to fly from San Antonio (SAT) to Blountville (TRI)

November is typically the cheapest month to fly

From $278 - $713 per traveler.

Graph displaying average flight prices per month

Alternative airports near Blountville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Tri-Cities Regional TRI. Cheapest option available. Flights from $314
TRI
Tri-Cities Regional
Cheapest
Flights from $314
Flights from San Antonio (SAT) to Tri-Cities (TRI)
Origin airport
San Antonio Intl.
Destination airport
Tri-Cities Regional
Airlines serving
American Airlines, Delta
Roundtrip price
$308
Distance
1045 mi

San Antonio to Tri-Cities Flights

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

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 San Antonio to Tri-Cities are during the month of September. You can find some of the cheapest flights from San Antonio to Tri-Cities with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Antonio to Tri-Cities: 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 San Antonio to Tri-Cities

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 San Antonio to Tri-Cities in 2025. You can also book with separate airlines for your outbound and return journeys, from $247 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 San Antonio to Tri-Cities 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 San Antonio to Tri-Cities 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 San Antonio Intl. Airport (SAT) to Tri-Cities Regional Airport (TRI) cost?
Snag a cheap one-way flight from $247 or cheap return flight from $309 from San Antonio Intl. Airport (SAT) to Tri-Cities Regional Airport (TRI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from San Antonio Intl. Airport (SAT) to Tri-Cities Regional Airport (TRI)?
Traveling in September can help you save, as it's the cheapest month for flights between SAT and TRI. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from San Antonio Intl. Airport (SAT) to Tri-Cities Regional Airport (TRI)?
To find the cheapest airline flying from SAT to TRI, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from San Antonio Intl. Airport (SAT) to Tri-Cities Regional Airport (TRI)?
There are no daily direct flights available from San Antonio Intl. Airport (SAT) to Tri-Cities Regional Airport (TRI). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from SAT to TRI?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Tri-Cities Regional Airport (TRI)?
To touch down at Tri-Cities Regional Airport (TRI) on schedule, pick a flight that leaves from San Antonio Intl. Airport (SAT) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 San Antonio Intl. Airport (SAT) to Tri-Cities Regional Airport (TRI) last-minute?
Booking your flight from SAT to TRI shortly before your journey is usually more expensive. However, if there's some wiggle room with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a SAT to TRI flight and hotel package?
Securing a SAT to TRI flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our impressive range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Tri-Cities Regional Airport (TRI)?
In most cases, you can modify or cancel your SAT to TRI flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want more information, go to our Customer Service portal.

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*Available to One Key members.