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$160+ Cheap flights from Kingsport, TN to San Antonio (SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SAT
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$309
(Delta)

One-way from

$160
(Delta)

Popular in

March

Cheapest in

July

Average price

$318
From Kingsport to San Antonio
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One-way flight from Kingsport to San Antonio
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Highest demand for flights based on searches. 19% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 31, 2025.

This Delta deal was found by Cheapflights users on 7/30. 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 9/274:50 pmTRI - SAT
1 stop5h 08mDelta
Tue 9/305:29 amSAT - TRI
1 stop6h 08mDelta
Deal found 7/30$309
This American Airlines deal was found by Cheapflights users on 7/31. 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
2 stops8h 49mAmerican Airlines
Mon 9/227:08 amSAT - TRI
1 stop6h 17mAmerican Airlines
Deal found 7/31$314

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 July 31, 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

Sat 9/27

4:50 pm-8:58 pm

1 stop5h 08m

San Antonio

Tue 9/30

5:29 am-12:37 pm

1 stop6h 08m

$309

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Fri 9/19

3:11 pm-11:00 pm

2 stops8h 49m

San Antonio

Mon 9/22

7:08 am-2:25 pm

1 stop6h 17m

$314

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Thu 8/14

7:20 pm-12:17 am

1 stop5h 57m

$160

BlountvilleSan Antonio

TRI - SAT

TRISAT

Blountville Tri Cities TN/VA

Wed 8/13

12:10 pm-6:34 pm

2 stops7h 24m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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 July 31, 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 July 31, 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
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

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.

  • 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

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$207Average$365FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$408FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$270Average$443FlexibilityNo cancel feeOn-time69%

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