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$254+ Cheap flights from Kingsport, TN to San Diego (SAN)

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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SAN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Kingsport to San Diego

Keep the following information in mind while searching for Kingsport to San Diego flight deals. Data was last updated September 15, 2025.

Round-trip from

$337
(American Airlines)

One-way from

$254
(Kiwi.com)

Popular in

February

Cheapest in

June

Average price

$443
From Kingsport to San Diego
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One-way flight from Kingsport to San Diego
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Highest demand for flights based on searches. 23% potential increase in price ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Kingsport to San Diego

Cheapest flights from Kingsport to San Diego
Explore the most affordable flight options available from Kingsport to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/12. 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 11/43:34 pmTRI - SAN
1 stop7h 09mAmerican Airlines
Sat 11/159:54 pmSAN - TRI
1 stop7h 23mAmerican Airlines
Deal found 9/12$337
This American Airlines deal was found by Cheapflights users on 9/12. 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 11/412:03 pmTRI - SAN
2 stops9h 21mAmerican Airlines
Tue 11/1112:43 pmSAN - TRI
1 stop7h 12mAmerican Airlines
Deal found 9/12$342
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/134:41 pmTRI - SAN
1 stop10h 05mDelta
Tue 12/1610:30 pmSAN - TRI
1 stop8h 02mDelta
Deal found 9/11$358
This American Airlines deal was found by Cheapflights users on 9/12. 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 10/184:14 pmTRI - SAN
2 stops9h 45mAmerican Airlines
Tue 10/2110:46 amSAN - TRI
1 stop9h 10mAmerican Airlines
Deal found 9/12$363
This Delta deal was found by Cheapflights users on 9/12. 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.
Tue 11/116:05 amTRI - SAN
1 stop6h 52mDelta
Thu 11/209:50 pmSAN - TRI
1 stop8h 42mDelta
Deal found 9/12$398
This American Airlines deal was found by Cheapflights users on 9/12. 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 11/1110:04 amTRI - SAN
2 stops11h 20mAmerican Airlines
Thu 11/209:54 pmSAN - TRI
1 stop7h 24mAmerican Airlines
Deal found 9/12$403
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.
Sat 11/84:10 pmTRI - SAN
1 stop8h 10mDelta
Tue 11/116:15 amSAN - TRI
2 stops13h 18mDelta
Deal found 9/13$421
This Delta deal was found by Cheapflights users on 9/12. 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 11/71:28 pmTRI - SAN
1 stop23h 20mDelta
Mon 11/1710:30 pmSAN - TRI
1 stop10h 35mDelta
Deal found 9/12$435
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 11/88:49 amTRI - SAN
2 stops12h 35mAmerican Airlines
Tue 11/117:21 amSAN - TRI
2 stops13h 06mAmerican Airlines
Deal found 9/13$437

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kingsport to San Diego 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 15, 2025.
Use the filters below to find and compare flights from Kingsport to San Diego that are best for you.

Fly from

Kingsport

Fly to

San Diego

Route

Depart

Return

Price

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Sat 11/8

1:28 pm-6:32 pm

1 stop8h 04m

San Diego

Tue 11/11

10:30 pm-9:32 am

1 stop8h 02m

$337

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Wed 11/12

10:04 am-4:03 pm

1 stop8h 59m

San Diego

Wed 11/19

6:15 am-3:42 pm

1 stop6h 27m

$337

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Sat 10/18

5:05 am-9:09 am

1 stop7h 04m

San Diego

Tue 10/21

7:15 am-5:00 pm

1 stop6h 45m

$337

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Sat 10/18

6:10 am-9:48 am

1 stop6h 38m

San Diego

Tue 10/21

10:30 pm-9:22 am

1 stop7h 52m

$337

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Tue 11/4

6:08 am-11:18 am

1 stop8h 10m

San Diego

Tue 11/11

12:43 pm-10:55 pm

1 stop7h 12m

$337

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Sat 1/31

6:53 am-11:17 am

1 stop7h 24m

San Diego

Sat 2/7

6:35 am-3:34 pm

1 stop5h 59m

$337

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Tue 11/4

12:03 pm-6:24 pm

2 stops9h 21m

San Diego

Sat 11/15

12:43 pm-10:55 pm

1 stop7h 12m

$342

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Tue 11/4

3:34 pm-7:43 pm

1 stop7h 09m

San Diego

Tue 11/18

10:09 am-10:55 pm

2 stops9h 46m

$342

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Thu 10/16

5:05 pm-1:28 pm

3 stops47h 23m

$254

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Sat 10/18

4:28 pm-10:01 pm

1 stop8h 33m

$381

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 13 results
1
2

Best time to book a flight from Kingsport to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego 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 Diego

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

Currently, August is the cheapest month in which you can book a flight from Kingsport to San Diego (average of $286). Flying from Kingsport to San Diego in March is currently the most expensive (average of $366). 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 SAN?

Find hourly flight availability from Kingsport to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Kingsport to San Diego, 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 Diego?

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

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

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 Diego. Reviews last updated September 15, 2025.
Get a feel of what it's like to fly with Delta and American Airlines from Kingsport to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,956 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Kingsport to San Diego. 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 Diego from Kingsport?

    For a flight from Kingsport to San Diego, you will be flying into San Diego. San Diego (SAN) is just 2.6 mi from the center of the city. San Diego is the only San Diego airport and it handles 0 inbound flights from Kingsport per day. 5 airlines have flights to San Diego from Kingsport on a regular basis.

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

    For as low as $337, Delta can have you in San Diego from Kingsport in 8h 04m. Kingsport and San Diego are separated by a distance of 1983 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kingsport to San Diego 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 Diego?

    Currently, August is the cheapest month in which you can book a flight from Kingsport to San Diego (average of $286). Flying from Kingsport to San Diego in March is currently the most expensive (average of $366). 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 Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
La Mesa
Poway
Lemon Grove
Coronado
Imperial Beach
National City
Alpine

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Top 5 airlines flying from Kingsport to San Diego

Discover the top 5 airlines that operate flights from Kingsport to San Diego. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$203FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$255Average$431FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$456FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$464FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$366Average$503FlexibilityNo cancel feeOn-time75%

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