San Diego

$146+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SAN
Mar 27 — Apr 31
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kingsport to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 February 25, 2026.

This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/74:33 pm
TRI
-
SAN
1 stop9h 15m
Delta
Wed 3/119:55 pm
SAN
-
TRI
1 stop8h 55m
Delta
Deal found 2/21$359
This American Airlines deal was found by Cheapflights users on 2/24. 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 3/103:27 pm
TRI
-
SAN
1 stop8h 24m
American Airlines
Sat 3/141:37 pm
SAN
-
TRI
1 stop7h 10m
American Airlines
Deal found 2/24$420
This Delta deal was found by Cheapflights users on 2/24. 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.
Thu 2/263:33 pm
TRI
-
SAN
1 stop8h 04m
Delta
Tue 3/36:30 am
SAN
-
TRI
1 stop9h 00m
Delta
Deal found 2/24$484
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Thu 2/262:46 pm
TRI
-
SAN
1 stop7h 23m
American Airlines
Tue 3/310:50 am
SAN
-
TRI
2 stops9h 09m
American Airlines
Deal found 2/24$489
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Sat 3/75:00 am
TRI
-
SAN
2 stops10h 03m
American Airlines
Wed 3/1110:00 pm
SAN
-
TRI
1 stop9h 37m
American Airlines
Deal found 2/24$506
This United Airlines deal was found by Cheapflights users on 2/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:00 am
TRI
-
SAN
2 stops13h 08m
United Airlines
Sat 10/317:00 am
SAN
-
TRI
2 stops13h 59m
United Airlines
Deal found 2/23$604

Find 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 February 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$359
(Delta)

One-way from

$146
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$394
Provider with most accurate pricing for Blountville Tri Cities TN/VA-San Diego flight deals.
Provider most trusted by Cheapflights users for Blountville Tri Cities TN/VA-San Diego flights.
From Kingsport to San Diego
One-way flight from Kingsport to San Diego
Highest demand for flights based on searches. 8% potential increase in price ($42 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 25, 2026.
Use the filters below to find and compare flights from Kingsport to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Sat 3/7

4:33 pm-10:48 pm

1 stop9h 15m

San Diego

Wed 3/11

9:55 pm-9:50 am

1 stop8h 55m

$359

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Sat 3/7

5:00 am-11:17 am

1 stop9h 17m

San Diego

Wed 3/11

6:15 am-3:45 pm

1 stop6h 30m

$404

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Tue 3/10

5:30 am-9:58 am

1 stop7h 28m

San Diego

Sat 3/14

1:37 pm-11:47 pm

1 stop7h 10m

$420

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Mon 4/6

6:27 pm-3:36 pm

3 stops48h 09m

$146

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Mon 3/23

12:53 pm-1:13 pm

3 stops51h 20m

$149

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Sun 3/22

8:56 am-8:23 pm

3 stops38h 27m

$247

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Sun 3/22

2:46 pm-9:07 pm

1 stop9h 21m

$353

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Mon 4/6

2:46 pm-9:07 pm

1 stop9h 21m

$353

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Fri 5/1

2:55 pm-8:50 pm

1 stop8h 55m

$353

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Sat 5/16

2:55 pm-7:00 pm

1 stop7h 05m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/24

Showing 1-10 of 12 resultsSorted by cheapest first
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, March is the cheapest month in which you can book a flight from Kingsport to San Diego (average of $133). Flying from Kingsport to San Diego in June is currently the most expensive (average of $284). 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.

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 February 25, 2026.
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.

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

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

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

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

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

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 $359, Delta can have you in San Diego from Kingsport in 9h 15m. 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, March is the cheapest month in which you can book a flight from Kingsport to San Diego (average of $133). Flying from Kingsport to San Diego in June is currently the most expensive (average of $284). 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
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kingsport to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

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 February 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$139Average$250FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$258Average$423FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$415FlexibilityNo cancel feeOn-time69%
DeltaCheapest$276Average$382FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$366Average$448FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.