$329+ Cheap flights from Kingsport, TN to San Antonio (SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SAT
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from Kingsport to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kingsport to San Antonio
Cheapest
Best
Last-minute
One-way
Cheapest flights from Kingsport to San AntonioExplore the most affordable flight options available from Kingsport to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Kingsport to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:19 pm -
1 stop6h 14m
Tue 10/136:50 am -
1 stop4h 46m
Deal found 9/10![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:19 pm -
1 stop5h 49m
Sun 10/46:35 am -
1 stop5h 10m
Deal found 9/13![Delta logo]()
$374
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:22 pm -
1 stop7h 37m
Tue 10/132:05 pm -
2 stops7h 54m
Deal found 9/10![American Airlines logo]()
$458
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:29 pm -
2 stops8h 21m
Mon 10/54:28 pm -
1 stop5h 06m
Deal found 9/13![American Airlines logo]()
$613
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:22 pm -
1 stop7h 37m
Fri 10/236:05 am -
1 stop7h 13m
Deal found 9/11![American Airlines logo]()
$617
Best flights from Kingsport to San AntonioDiscover carefully curated flight deals from Kingsport to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Kingsport to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:19 pm -
1 stop6h 14m
Sat 10/312:00 pm -
1 stop5h 35m
Deal found 9/9![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:22 pm -
1 stop5h 38m
Tue 10/137:25 am -
1 stop6h 28m
Deal found 9/11![American Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:19 pm -
1 stop6h 14m
Tue 10/136:50 am -
1 stop4h 46m
Deal found 9/9![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:57 pm -
1 stop5h 41m
Sun 9/276:00 am -
1 stop7h 11m
Deal found 9/9![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:19 pm -
1 stop5h 49m
Tue 10/66:50 am -
1 stop4h 46m
Deal found 9/13![Delta logo]()
$374
This deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:07 pm -
1 stop6h 07m
Sun 10/46:35 am -
1 stop5h 10m
Deal found 9/13![Delta logo]()
$374
This deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:00 pm -
1 stop6h 19m
Mon 10/56:35 am -
1 stop5h 10m
Deal found 9/13![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:00 pm -
1 stop6h 19m
Sun 10/45:30 am -
1 stop6h 15m
Deal found 9/13![Delta logo]()
$374
This deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:07 pm -
1 stop6h 07m
Mon 10/56:35 am -
1 stop5h 10m
Deal found 9/13![Delta logo]()
$374
Last-minute flights from Kingsport to San AntonioDiscover last-minute flight deals from Kingsport to San Antonio. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Kingsport to San Antonio. Data last updated September 15, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:57 pm -
1 stop5h 41m
Sun 9/276:00 am -
1 stop7h 11m
Deal found 9/9![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:19 pm -
1 stop5h 49m
Sun 10/46:35 am -
1 stop5h 10m
Deal found 9/13![Delta logo]()
$374
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:29 pm -
2 stops8h 21m
Mon 10/54:28 pm -
1 stop5h 06m
Deal found 9/13![American Airlines logo]()
$613
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:45 pm -
1 stop6h 39m
Sun 10/116:00 pm -
1 stop4h 40m
Deal found 9/10![American Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:19 pm -
1 stop6h 14m
Tue 10/136:50 am -
1 stop4h 46m
Deal found 9/9![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:22 pm -
1 stop7h 37m
Tue 10/132:05 pm -
2 stops7h 54m
Deal found 9/10![American Airlines logo]()
$458
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:22 pm -
1 stop7h 37m
Fri 10/236:05 am -
1 stop7h 13m
Deal found 9/11![American Airlines logo]()
$617
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:22 pm -
1 stop7h 37m
Sat 10/315:00 am -
2 stops8h 18m
Deal found 9/9![American Airlines logo]()
$536
One-way flights from Kingsport to San AntonioSearch for one-way flight options from Kingsport to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Kingsport to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:00 am -
1 stop4h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$360
Find flight deals from Kingsport to San Antonio
Keep the following information in mind while searching for Kingsport to San Antonio flight deals. Data was last updated September 15, 2026.
Round-trip from | $329 (Delta) |
|---|---|
Popular in | January |
Cheapest in | March |
Average price | $526 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kingsport to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 15, 2026.
Use the filters below to find and compare flights from Kingsport to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BlountvilleSan Antonio
TRI Blountville Tri Cities TN/VA - SAT San Antonio
TRISAT
Blountville Tri Cities TN/VA
Fri 10/23
7:19 pm-12:33 am
1 stop6h 14m
San Antonio
Sat 10/31
2:00 pm-8:35 pm
1 stop5h 35m
$329
BlountvilleSan Antonio
TRI Blountville Tri Cities TN/VA - SAT San Antonio
TRISAT
Blountville Tri Cities TN/VA
Fri 10/9
7:19 pm-12:33 am
1 stop6h 14m
San Antonio
Tue 10/13
6:50 am-12:36 pm
1 stop4h 46m
$329
BlountvilleSan Antonio
TRI Blountville Tri Cities TN/VA - SAT San Antonio
TRISAT
Blountville Tri Cities TN/VA
Fri 10/9
5:22 pm-10:00 pm
1 stop5h 38m
San Antonio
Tue 10/13
7:25 am-2:53 pm
1 stop6h 28m
$349
Quickest round-trip
BlountvilleSan Antonio
TRI Blountville Tri Cities TN/VA - SAT San Antonio
TRISAT
Blountville Tri Cities TN/VA
Fri 11/27
6:00 am-9:54 am
1 stop4h 54m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$360
BlountvilleSan Antonio
TRI Blountville Tri Cities TN/VA - SAT San Antonio
TRISAT
Blountville Tri Cities TN/VA
Wed 9/30
7:19 pm-12:08 am
1 stop5h 49m
San Antonio
Tue 10/6
6:50 am-12:36 pm
1 stop4h 46m
$374
BlountvilleSan Antonio
TRI Blountville Tri Cities TN/VA - SAT San Antonio
TRISAT
Blountville Tri Cities TN/VA
Thu 10/1
4:07 pm-9:14 pm
1 stop6h 07m
San Antonio
Sun 10/4
6:35 am-12:45 pm
1 stop5h 10m
$374
BlountvilleSan Antonio
TRI Blountville Tri Cities TN/VA - SAT San Antonio
TRISAT
Blountville Tri Cities TN/VA
Fri 10/2
4:00 pm-9:19 pm
1 stop6h 19m
San Antonio
Mon 10/5
6:35 am-12:45 pm
1 stop5h 10m
$374
BlountvilleSan Antonio
TRI Blountville Tri Cities TN/VA - SAT San Antonio
TRISAT
Blountville Tri Cities TN/VA
Fri 10/2
4:00 pm-9:19 pm
1 stop6h 19m
San Antonio
Sun 10/4
5:30 am-12:45 pm
1 stop6h 15m
$374
BlountvilleSan Antonio
TRI Blountville Tri Cities TN/VA - SAT San Antonio
TRISAT
Blountville Tri Cities TN/VA
Wed 9/30
4:07 pm-9:14 pm
1 stop6h 07m
San Antonio
Mon 10/5
6:35 am-12:45 pm
1 stop5h 10m
$374
BlountvilleSan Antonio
TRI Blountville Tri Cities TN/VA - SAT San Antonio
TRISAT
Blountville Tri Cities TN/VA
Fri 9/25
4:57 pm-9:38 pm
1 stop5h 41m
San Antonio
Sun 9/27
6:00 am-2:11 pm
1 stop7h 11m
$379
Sorted by cheapest first
Best time to book a flight from Kingsport to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Kingsport with our price prediction graph.
TRI-SAT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Kingsport to San Antonio
K1N-SAT
TRI-SAT
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated September 15, 2026.
Peruse reviews from past customers who have flown with Delta and American Airlines from Kingsport to San Antonio to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
8.0
ExcellentLane,Nov 2025
MEM - ATL
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
8.0
ExcellentLane,Nov 2025
MEM - ATL
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
8.0
ExcellentLane,Nov 2025
MEM - ATL
Related info for your journey
Find useful and relevant information for your journey from Kingsport to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Alternative routes for Kingsport to San Antonio
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Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
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Kingsport and San Antonio flights
Browse other Kingsport and San Antonio flight options. Last updated on September 15, 2026.
Popular flight searches
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Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
Kingsport to San Antonio flights
Consider these flights traveling from Kingsport to San Antonio.
Top 4 airlines flying from Kingsport to San Antonio
Discover the top 4 airlines that operate flights from Kingsport to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$318 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$238 | Average$415 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$239 | Average$441 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$299 | Average$488 | FlexibilityNo cancel fee | On-time63% |