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$309+ 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — SAN
feb. 13 — feb. 201
vie. 2/13
vie. 2/20
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 enero 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$309
(Delta)

Popular in

February

Cheapest in

October

Average price

$378
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 Blountville Tri Cities TN/VA to San Diego
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Highest demand for flights based on searches. 16% potential increase in price ($97 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 enero 14, 2026.

This Delta deal was found by Cheapflights users on 1/14. 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.
sáb. 2/74:34 pm
TRI
-
SAN
1 stop8h 37m
Delta
mié. 2/1110:30 pm
SAN
-
TRI
1 stop8h 02m
Delta
Deal found 1/14$309
This American Airlines deal was found by Cheapflights users on 1/14. 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.
sáb. 2/710:06 am
TRI
-
SAN
2 stops11h 25m
American Airlines
mié. 2/116:20 am
SAN
-
TRI
1 stop6h 41m
American Airlines
Deal found 1/14$314
This Delta deal was found by Cheapflights users on 1/13. 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.
mar. 3/107:07 pm
TRI
-
SAN
1 stop7h 02m
Delta
sáb. 3/1410:30 pm
SAN
-
TRI
1 stop8h 20m
Delta
Deal found 1/13$329
This American Airlines deal was found by Cheapflights users on 1/14. 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.
sáb. 1/313:31 pm
TRI
-
SAN
1 stop8h 05m
American Airlines
sáb. 2/710:45 pm
SAN
-
TRI
1 stop7h 56m
American Airlines
Deal found 1/14$334
This Delta deal was found by Cheapflights users on 1/13. 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.
mié. 1/283:16 pm
TRI
-
SAN
1 stop8h 21m
Delta
dom. 2/110:30 pm
SAN
-
TRI
1 stop8h 01m
Delta
Deal found 1/13$379
This American Airlines deal was found by Cheapflights users on 1/13. 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.
mié. 1/2810:06 am
TRI
-
SAN
2 stops11h 25m
American Airlines
dom. 2/110:45 pm
SAN
-
TRI
1 stop7h 56m
American Airlines
Deal found 1/13$384
This American Airlines deal was found by Cheapflights users on 1/14. 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.
mar. 3/105:30 am
TRI
-
SAN
1 stop9h 52m
American Airlines
sáb. 3/1410:00 pm
SAN
-
TRI
1 stop9h 37m
American Airlines
Deal found 1/14$395
This Delta deal was found by Cheapflights users on 1/13. 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.
sáb. 6/64:30 pm
TRI
-
SAN
1 stop9h 28m
Delta
mié. 9/309:40 pm
SAN
-
TRI
1 stop8h 55m
Delta
Deal found 1/13$404

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 enero 14, 2026.
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

sáb. 3/7

4:33 pm-8:39 pm

1 stop7h 06m

San Diego

mié. 3/11

6:15 am-3:10 pm

1 stop5h 55m

$309

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

sáb. 2/7

12:08 pm-4:54 pm

1 stop7h 46m

San Diego

mié. 2/11

6:20 am-4:01 pm

1 stop6h 41m

$309

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

mié. 3/11

7:07 pm-11:09 pm

1 stop7h 02m

San Diego

sáb. 3/14

10:30 pm-9:50 am

1 stop8h 20m

$309

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

sáb. 2/7

4:34 pm-10:11 pm

1 stop8h 37m

San Diego

mié. 2/11

10:30 pm-9:32 am

1 stop8h 02m

$309

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

mar. 3/10

7:07 pm-11:09 pm

1 stop7h 02m

San Diego

sáb. 3/14

10:30 pm-9:50 am

1 stop8h 20m

$329

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

mar. 3/10

4:15 pm-8:37 pm

1 stop7h 22m

San Diego

sáb. 3/14

10:00 pm-10:37 am

1 stop9h 37m

$354

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

sáb. 1/31

12:08 pm-6:31 pm

2 stops9h 23m

San Diego

sáb. 2/7

6:20 am-4:01 pm

1 stop6h 41m

$359

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

sáb. 5/2

7:45 am-1:14 pm

1 stop8h 29m

$353

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

vie. 5/1

11:08 am-6:25 pm

2 stops10h 17m

$423

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

vie. 5/1

5:08 pm-9:55 am

3 stops43h 47m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Compare providers for flights from Blountville to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Blountville to San Diego in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Blountville-San Diego flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Blountville-San Diego flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Blountville-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Blountville-San Diego flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Blountville-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, January is the cheapest month in which you can book a flight from Blountville to San Diego (average of $227). Flying from Blountville to San Diego in June is currently the most expensive (average of $296). 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 enero 14, 2026.
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
7.9
Good
8,048 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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
Delta
7.9
Good
8,048 reviews
Delta
7.9
Good
8,048 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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
American Airlines
7.2
Good
11,129 reviews
Delta
7.9
Good
8,048 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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 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.

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

    Delta and American Airlines can get you from Blountville to San Diego in just under 7h 06m. Your travel time can differ by up to 40m. The distance between Blountville and San Diego is about 1983 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $308 on this airline. An additional option worth looking into is Delta, starting at $336. American Airlines is priced at 38% 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, January is the cheapest month in which you can book a flight from Blountville to San Diego (average of $227). Flying from Blountville to San Diego in June is currently the most expensive (average of $296). 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

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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 enero 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$491FlexibilityNo cancel feeOn-time71%
DeltaCheapest$336Average$566FlexibilityNo cancel feeOn-timeN/A

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