HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$175+ Cheap flights from Blountville to San Diego (TRI - 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — SAN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Blountville 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 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 June 12, 2025.

Round-trip from

$349
(American Airlines)

One-way from

$175
(Delta)

Popular in

February

Cheapest in

June

Average price

$348
From Blountville Tri Cities TN/VA to San Diego
Search Deals
One-way flight from Blountville Tri Cities TN/VA to San Diego
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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 6/172:43 pmTRI - SAN
1 stop8h 32mAmerican Airlines
Tue 6/2410:38 pmSAN - TRI
1 stop9h 00mAmerican Airlines
Deal found 6/10$420
This Delta deal was found by Cheapflights users on 6/10. 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 6/184:03 pmTRI - SAN
1 stop8h 16mDelta
Wed 6/2510:30 pmSAN - TRI
1 stop8h 15mDelta
Deal found 6/10$439
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/33:39 pmTRI - SAN
3 stops34h 50mMultiple Airlines
Sun 7/66:15 amSAN - TRI
3 stops29h 30mMultiple Airlines
Deal found 6/12$609

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 June 12, 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

Fri 8/1

2:46 pm-6:40 pm

1 stop6h 54m

San Diego

Fri 8/8

10:45 pm-10:37 am

1 stop8h 52m

$349

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Wed 6/18

4:03 pm-9:19 pm

1 stop8h 16m

San Diego

Wed 6/25

10:30 pm-9:45 am

1 stop8h 15m

$439

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Thu 7/3

3:39 pm-11:29 pm

3 stops34h 50m

San Diego

Sun 7/6

6:15 am-2:45 pm

3 stops29h 30m

$609

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Thu 7/17

7:43 pm-11:21 pm

1 stop6h 38m

$175

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Thu 7/17

3:39 pm-9:55 am

3 stops21h 16m

$277

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Thu 7/17

4:36 pm-9:55 pm

2 stops8h 19m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

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
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

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 $349 on this airline. An additional option worth looking into is Delta, starting at $439. American Airlines is priced at 37% 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 Blountville?

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

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 Blountville to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Las Vegas flights
Nashville to Los Angeles flights
Memphis to Las Vegas flights
Memphis to Los Angeles flights
Nashville to San Francisco flights
Nashville to Santa Ana flights
Nashville to Ontario flights
Nashville to Burbank flights
Nashville to San Diego flights
Chattanooga to Las Vegas flights
Memphis to Santa Ana flights
Nashville to Sacramento flights
Memphis to Ontario flights
Memphis to Burbank flights
Memphis to San Francisco flights
Knoxville to Los Angeles flights
Memphis to San Diego flights
Knoxville to San Diego flights
Knoxville to Las Vegas flights
Nashville to San Jose flights
Nashville to Oakland flights
Memphis to Long Beach flights
Knoxville to San Francisco flights
Nashville to Fresno flights
Chattanooga to Los Angeles flights
Chattanooga to San Francisco flights
Knoxville to Ontario flights
Nashville to Reno flights
Nashville to Long Beach flights
Knoxville to Santa Ana flights
Knoxville to Sacramento flights
Memphis to San Jose flights
Chattanooga to Ontario flights
Nashville to Palm Springs flights
Blountville to Las Vegas flights
Memphis to Fresno flights
Memphis to Reno flights
Knoxville to San Luis Obispo flights
Memphis to Oakland flights
Blountville to Los Angeles flights
Chattanooga to San Diego flights
Knoxville to Reno flights
Knoxville to Burbank flights
Nashville to Santa Barbara flights
Nashville to Monterey flights
Knoxville to San Jose flights
Nashville to Medford flights
Chattanooga to Sacramento flights
Chattanooga to Santa Ana flights
Knoxville to Long Beach flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$348Average$618FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$438Average$628FlexibilityNo cancel feeOn-time71%

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.