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$379+ Cheap flights from Kingsport, TN to San Diego (SAN)

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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SAN
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$379
(Delta)

Popular in

February

Cheapest in

October

Average price

$454
Provider with most accurate pricing for Blountville Tri Cities TN/VA-San Diego flight deals.
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Provider most trusted by Cheapflights users for Blountville Tri Cities TN/VA-San Diego flights.
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From Kingsport to San Diego
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($191 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 26, 2025.

This Delta deal was found by Cheapflights users on 11/24. 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 11/2512:50 pmTRI - SAN
1 stop8h 30mDelta
Mon 12/110:30 pmSAN - TRI
1 stop8h 01mDelta
Deal found 11/24$536
This American Airlines deal was found by Cheapflights users on 11/24. 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 11/254:13 pmTRI - SAN
1 stop7h 05mAmerican Airlines
Mon 12/110:09 amSAN - TRI
2 stops8h 44mAmerican Airlines
Deal found 11/24$541
This American Airlines deal was found by Cheapflights users on 11/25. 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 12/232:45 pmTRI - SAN
1 stop9h 17mAmerican Airlines
Sun 12/2811:55 amSAN - TRI
1 stop8h 59mAmerican Airlines
Deal found 11/25$582
This Delta deal was found by Cheapflights users on 11/25. 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 12/243:07 pmTRI - SAN
1 stop8h 49mDelta
Sun 12/289:45 pmSAN - TRI
1 stop8h 49mDelta
Deal found 11/25$599
This American Airlines deal was found by Cheapflights users on 11/25. 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.
Wed 12/245:10 amTRI - SAN
2 stops13h 14mAmerican Airlines
Sun 12/2811:55 amSAN - TRI
1 stop8h 59mAmerican Airlines
Deal found 11/25$620
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Sun 11/304:13 pmTRI - SAN
1 stop9h 04mAmerican Airlines
Sun 12/79:54 pmSAN - TRI
1 stop8h 45mAmerican Airlines
Deal found 11/24$1,064
This Delta deal was found by Cheapflights users on 11/25. 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.
Sun 11/306:05 amTRI - SAN
1 stop6h 47mDelta
Sun 12/711:05 amSAN - TRI
1 stop8h 29mDelta
Deal found 11/25$1,074

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 November 26, 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

Tue 1/27

6:05 am-9:58 am

1 stop6h 53m

San Diego

Sat 1/31

6:30 am-3:49 pm

1 stop6h 19m

$379

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Sat 1/31

4:36 pm-8:37 pm

1 stop7h 01m

San Diego

Sat 2/7

6:30 am-3:47 pm

1 stop6h 17m

$379

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Sat 1/17

4:45 pm-10:45 pm

1 stop9h 00m

San Diego

Sat 1/24

10:30 pm-9:31 am

1 stop8h 01m

$379

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Sat 1/31

8:00 am-3:03 pm

2 stops10h 03m

San Diego

Sat 2/7

6:20 am-4:01 pm

1 stop6h 41m

$384

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Sat 1/17

10:06 am-6:31 pm

2 stops11h 25m

San Diego

Sat 1/24

7:00 am-6:49 pm

1 stop8h 49m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/23

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, March is the cheapest month in which you can book a flight from Kingsport to San Diego (average of $114). Flying from Kingsport to San Diego in June is currently the most expensive (average of $285). 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 November 26, 2025.

One of the essential ways to save on airfare from Kingsport to San Diego is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 34% on airfare.

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 Tuesday evenings 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 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 November 26, 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
7.9
Good
7,999 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

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
7.9
Good
7,999 reviews
Delta
7.9
Good
7,999 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

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
11,038 reviews
Delta
7.9
Good
7,999 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

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 $379, Delta can have you in San Diego from Kingsport in 6h 53m. Kingsport and San Diego are separated by a distance of 1983 mi.

  • 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, March is the cheapest month in which you can book a flight from Kingsport to San Diego (average of $114). Flying from Kingsport to San Diego in June is currently the most expensive (average of $285). 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
Coronado
La Mesa
Poway
Lemon Grove
National City

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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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$219FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$258Average$436FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$454FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$456FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$366Average$523FlexibilityNo cancel feeOn-time75%

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