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$289+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SAT
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Kingsport to San Antonio

Cheapest flights from Kingsport to San Antonio
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 December 23, 2025.

This American Airlines deal was found by Cheapflights users on 12/20. 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 12/306:00 amTRI - SAT
1 stop5h 56mAmerican Airlines
Fri 1/94:40 pmSAT - TRI
1 stop4h 58mAmerican Airlines
Deal found 12/20$374
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 12/295:10 amTRI - SAT
1 stop5h 08mAmerican Airlines
Thu 1/15:48 pmSAT - TRI
1 stop5h 06mAmerican Airlines
Deal found 12/21$467
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/305:10 amTRI - SAT
1 stop5h 08mAmerican Airlines
Wed 12/319:32 amSAT - TRI
1 stop5h 11mAmerican Airlines
Deal found 12/22$715
This American Airlines deal was found by Cheapflights users on 12/22. 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.
Mon 12/295:10 amTRI - SAT
1 stop5h 08mAmerican Airlines
Wed 12/318:43 amSAT - TRI
1 stop4h 36mAmerican Airlines
Deal found 12/22$767

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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(American Airlines)

Popular in

April

Cheapest in

September

Average price

$485
Provider with most accurate pricing for Blountville Tri Cities TN/VA-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Blountville Tri Cities TN/VA-San Antonio flights.
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From Kingsport to San Antonio
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 2,558,603 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Kingsport to San Antonio that are best for you.

Fly from

Kingsport

Fly to

San Antonio

Route

Depart

Return

Price

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Tue 3/17

4:15 pm-9:58 pm

1 stop6h 43m

San Antonio

Tue 3/24

9:13 am-3:45 pm

1 stop5h 32m

$289

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Thu 2/5

7:23 am-2:16 pm

1 stop7h 53m

San Antonio

Tue 2/10

12:52 pm-7:11 pm

1 stop5h 19m

$289

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Fri 2/6

4:33 pm-10:58 pm

1 stop7h 25m

San Antonio

Fri 2/13

3:08 pm-10:28 pm

1 stop6h 20m

$289

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Mon 1/12

4:33 pm-9:52 pm

1 stop6h 19m

San Antonio

Mon 1/19

4:40 pm-10:38 pm

1 stop4h 58m

$289

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Tue 12/30

6:49 pm-12:38 am

1 stop6h 49m

$358

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Mon 12/29

5:55 pm-11:50 am

1 stop18h 55m

$383

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Tue 12/30

5:10 am-12:02 pm

2 stops7h 52m

$407

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Tue 12/30

3:31 pm-11:26 pm

3 stops32h 55m

$491

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

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.
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

What is the cheapest month to book a flight from Kingsport to San Antonio?

Currently, May is the cheapest month in which you can book a flight from Kingsport to San Antonio (average of $86). Flying from Kingsport to San Antonio in December is currently the most expensive (average of $120). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from K1N to SAT?

Find hourly flight availability from Kingsport to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

It’s typically best to fly out from Kingsport to San Antonio in the evening. Doing so could potentially save you 31% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Kingsport to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Kingsport to San Antonio. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Kingsport to San Antonio flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 23, 2025.
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.
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,014 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,054 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • What airport do you fly into for flights to San Antonio from Kingsport?

    For a flight from Kingsport to San Antonio, you will be flying into San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city. San Antonio is the only San Antonio airport and it handles 0 inbound flights from Kingsport per day. 3 airlines have flights to San Antonio from Kingsport on a regular basis.

  • How long is the flight from Kingsport to San Antonio?

    There are many flights that can get you from Kingsport to San Antonio in 6h 43m. Fly via American Airlines to get the fastest option. Airlines will cover a distance of 1045 mi.

  • Can I find deals for flights from Kingsport to San Antonio that include hotel bookings?

    Yes. In addition to deals on Kingsport to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kingsport to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kingsport to San Antonio.

  • Can I find deals for business class flights from Kingsport to San Antonio?

    Yes. Cheapflights offers flight deals from Kingsport to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kingsport to San Antonio?

    Currently, May is the cheapest month in which you can book a flight from Kingsport to San Antonio (average of $86). Flying from Kingsport to San Antonio in December is currently the most expensive (average of $120). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Top 3 airlines flying from Kingsport to San Antonio

Discover the top 3 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 2,558,603 searches. Data last updated December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$207Average$375FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$238Average$374FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$367FlexibilityNo cancel feeOn-time69%

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