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$337+ Cheap flights from Blountville to San Diego (TRI - 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — SAN
Aug 22 — Aug 291
Fri 8/22
Fri 8/29
1 adult, Economy
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Cheap flight deals from Blountville to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Blountville (TRI) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 17, 2025.

Round-trip from

$337
(Delta)

Popular in

February

Cheapest in

June

Average price

$361
From Blountville Tri Cities TN/VA to San Diego
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Blountville to San Diego

Cheapest flights from Blountville to San Diego
Explore the most affordable flight options available from Blountville to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

This Delta deal was found by Cheapflights users on 8/16. 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 11/810:12 amTRI - SAN
1 stop8h 56mDelta
Tue 11/1112:50 pmSAN - TRI
1 stop6h 34mDelta
Deal found 8/16$337
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Wed 11/57:00 amTRI - SAN
1 stop8h 45mAmerican Airlines
Mon 11/1710:23 pmSAN - TRI
1 stop8h 16mAmerican Airlines
Deal found 8/15$343
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 11/64:13 pmTRI - SAN
1 stop8h 45mAmerican Airlines
Mon 11/1710:23 pmSAN - TRI
1 stop8h 16mAmerican Airlines
Deal found 8/14$349
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:48 pmTRI - SAN
1 stop8h 32mDelta
Tue 11/1811:00 amSAN - TRI
1 stop8h 24mDelta
Deal found 8/14$358
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:48 pmTRI - SAN
1 stop8h 32mDelta
Mon 11/179:40 pmSAN - TRI
1 stop8h 54mDelta
Deal found 8/14$364
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:28 pmTRI - SAN
1 stop12h 46mDelta
Tue 11/1812:50 pmSAN - TRI
1 stop6h 34mDelta
Deal found 8/14$381
This Delta deal was found by Cheapflights users on 8/16. 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 11/66:10 amTRI - SAN
1 stop20h 04mDelta
Mon 11/1710:40 pmSAN - TRI
1 stop7h 54mDelta
Deal found 8/16$387
This Delta deal was found by Cheapflights users on 8/15. 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 8/303:40 pmTRI - SAN
1 stop8h 35mDelta
Wed 9/310:30 pmSAN - TRI
1 stop8h 40mDelta
Deal found 8/15$389
This American Airlines deal was found by Cheapflights users on 8/15. 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 8/308:03 amTRI - SAN
2 stops10h 32mAmerican Airlines
Wed 9/311:30 amSAN - TRI
1 stop8h 10mAmerican Airlines
Deal found 8/15$394

Cheapflights Fare Finder

 
Customize your flight search to find flights from Blountville 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 August 17, 2025.
Use the filters below to find and compare flights from Blountville to San Diego that are best for you.

Fly from

Blountville

Fly to

San Diego

Route

Depart

Return

Price

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Sat 11/8

6:10 am-9:48 am

1 stop6h 38m

San Diego

Tue 11/11

10:40 pm-9:34 am

1 stop7h 54m

$337

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Fri 11/7

4:13 pm-8:20 pm

1 stop7h 07m

San Diego

Tue 11/18

6:46 am-6:56 pm

1 stop9h 10m

$343

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Wed 11/5

7:00 am-12:45 pm

1 stop8h 45m

San Diego

Mon 11/17

10:23 pm-9:39 am

1 stop8h 16m

$343

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Thu 11/6

4:13 pm-9:58 pm

1 stop8h 45m

San Diego

Mon 11/17

10:23 pm-9:39 am

1 stop8h 16m

$349

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Fri 11/7

6:08 am-11:18 am

1 stop8h 10m

San Diego

Mon 11/17

12:43 pm-10:55 pm

1 stop7h 12m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Best time to book a flight from Blountville to San Diego

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

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

Currently, August is the cheapest month in which you can book a flight from Blountville to San Diego (average of $286). Flying from Blountville 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.

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 August 17, 2025.
Read through reviews of airlines operating flights from Blountville to San Diego, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,986 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
8.0
Very good
7,986 reviews
Delta
8.0
Very good
7,986 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
10,000 reviews
Delta
8.0
Very good
7,986 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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 Blountville 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 are the cheapest airlines flying from Blountville to San Diego round-trip?

    Our cheapest airline available from Blountville to San Diego is American Airlines. Our recent data shows that you can find tickets from as low as $348 on this airline. An additional option worth looking into is Delta, starting at $348. American Airlines is priced at 35% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Blountville to San Diego (average of $286). Flying from Blountville 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
Coronado
La Mesa
Poway
National City
Lemon Grove
Imperial Beach
Alpine

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Top 2 airlines flying from Blountville to San Diego

Discover the top 2 airlines that operate flights from Blountville 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 August 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$348Average$583FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$348Average$598FlexibilityNo cancel feeOn-time71%

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