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$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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SAT
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap 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 16, 2025.

Round-trip from

$329
(Delta)

Popular in

March

Cheapest in

September

Average price

$308
From Kingsport to San Antonio
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($136 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 16, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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.
Sat 11/1510:12 amTRI - SAT
1 stop5h 09mDelta
Tue 11/186:30 amSAT - TRI
1 stop4h 35mDelta
Deal found 9/15$329
This Delta deal was found by Cheapflights users on 9/15. 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.
Sat 9/2010:58 amTRI - SAT
1 stop6h 17mDelta
Sat 9/276:35 amSAT - TRI
1 stop5h 02mDelta
Deal found 9/15$392
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 9/202:50 pmTRI - SAT
2 stops8h 23mAmerican Airlines
Sat 9/2711:11 amSAT - TRI
1 stop6h 26mAmerican Airlines
Deal found 9/15$397
This Delta deal was found by Cheapflights users on 9/15. 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 9/196:11 amTRI - SAT
1 stop4h 21mDelta
Mon 9/223:25 pmSAT - TRI
1 stop6h 12mDelta
Deal found 9/15$404
This American Airlines deal was found by Cheapflights users on 9/14. 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 9/1911:29 amTRI - SAT
2 stops8h 13mAmerican Airlines
Mon 9/227:08 amSAT - TRI
1 stop6h 17mAmerican Airlines
Deal found 9/14$409
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.
Sat 11/156:25 amTRI - SAT
1 stop5h 48mAmerican Airlines
Tue 11/186:00 amSAT - TRI
2 stops8h 08mAmerican Airlines
Deal found 9/13$414
This American Airlines deal was found by Cheapflights users on 9/15. 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 9/193:11 pmTRI - SAT
1 stop7h 13mAmerican Airlines
Sun 9/218:10 amSAT - TRI
1 stop6h 31mAmerican Airlines
Deal found 9/15$419
This Delta deal was found by Cheapflights users on 9/15. 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 10/87:17 pmTRI - SAT
1 stop6h 03mDelta
Mon 10/135:14 amSAT - TRI
1 stop8h 54mDelta
Deal found 9/15$438
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:05 pmTRI - SAT
1 stop26h 10mMultiple Airlines
Wed 10/153:59 pmSAT - TRI
2 stops23h 16mMultiple Airlines
Deal found 9/15$440

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 September 16, 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

Wed 10/8

6:10 am-9:50 am

1 stop4h 40m

San Antonio

Tue 10/14

5:14 am-12:43 pm

1 stop6h 29m

$329

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Sat 11/15

6:05 am-10:37 am

1 stop5h 32m

San Antonio

Tue 11/18

6:30 am-12:05 pm

1 stop4h 35m

$329

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Wed 10/8

6:10 am-9:50 am

1 stop4h 40m

San Antonio

Wed 10/15

5:14 am-12:43 pm

1 stop6h 29m

$329

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Thu 10/9

7:17 pm-12:20 am

1 stop6h 03m

San Antonio

Tue 10/14

5:14 am-12:43 pm

1 stop6h 29m

$404

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Sat 11/15

6:25 am-11:13 am

1 stop5h 48m

San Antonio

Tue 11/18

6:00 am-3:08 pm

2 stops8h 08m

$414

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Wed 10/8

7:17 pm-12:20 am

1 stop6h 03m

San Antonio

Mon 10/13

5:14 am-3:08 pm

1 stop8h 54m

$438

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Thu 10/9

3:48 pm-12:20 am

1 stop9h 32m

San Antonio

Wed 10/15

5:14 am-12:43 pm

1 stop6h 29m

$468

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Sat 10/11

4:10 pm-8:28 pm

1 stop5h 18m

San Antonio

Mon 10/13

5:14 am-12:43 pm

1 stop6h 29m

$484

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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, August is the cheapest month in which you can book a flight from Kingsport to San Antonio (average of $295). Flying from Kingsport to San Antonio in March is currently the most expensive (average of $376). 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 September 16, 2025.

When flying from Kingsport to San Antonio, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 Monday mornings when fares are most often at their lowest. Sunday mornings 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 September 16, 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
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 4h 40m. Fly via Delta 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, August is the cheapest month in which you can book a flight from Kingsport to San Antonio (average of $295). Flying from Kingsport to San Antonio in March is currently the most expensive (average of $376). 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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Alternative routes for Kingsport to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$207Average$350FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$238Average$383FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$416FlexibilityNo cancel feeOn-time69%

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