What airlines fly to San Diego?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to San Diego from Blountville according to our data. American Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 3 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Blountville Tri Cities TN/VA Airport to San Diego Airport?

Prices for flights from Blountville Tri Cities TN/VA Airport to San Diego Airport are updated daily.

How many operators does momondo search for flights from Blountville Tri Cities TN/VA Airport to San Diego Airport?

As of December 2025, there are 2 operators available to choose from for flights from Blountville Tri Cities TN/VA Airport to San Diego Airport.

How old do you have to be to fly from Blountville Tri Cities TN/VA Airport to San Diego Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Blountville Tri Cities TN/VA Airport to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$309 Cheap Flights from Blountville to San Diego in 2025/26

1 adult

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:36 pm - 8:37 pm

TRI

SAN

7h 01m1 stop

10:30 pm - 9:31 am

SAN

TRI

8h 01m1 stop

$309Delta

Sat, Jan 31 - Sat, Feb 7

8:00 am - 3:57 pm

TRI

SAN

10h 57m2 stops

10:45 pm - 9:41 am

SAN

TRI

7h 56m1 stop

$314American Airlines

Sat, Jan 31 - Sat, Feb 7

10:06 am - 6:31 pm

TRI

SAN

11h 25m2 stops

9:21 am - 11:48 pm

SAN

TRI

11h 27m2 stops

$319American Airlines

Sat, Jan 31 - Sat, Feb 7

6:05 am - 9:58 am

TRI

SAN

6h 53m1 stop

10:30 pm - 9:31 am

SAN

TRI

8h 01m1 stop

$334Delta

Wed, Jan 14 - Tue, Jan 20

3:31 pm - 8:36 pm

TRI

SAN

8h 05m1 stop

8:25 am - 11:22 pm

SAN

TRI

11h 57m2 stops

$339American Airlines

Wed, Jan 14 - Tue, Jan 20

10:06 am - 6:31 pm

TRI

SAN

11h 25m2 stops

8:25 am - 9:16 pm

SAN

TRI

9h 51m2 stops

$344American Airlines

Wed, Jan 14 - Tue, Jan 20

1:45 pm - 7:39 pm

TRI

SAN

8h 54m1 stop

6:30 am - 4:23 pm

SAN

TRI

6h 53m1 stop

$359Delta

Fri, Jan 9 - Tue, Jan 13

6:05 am - 9:58 am

TRI

SAN

6h 53m1 stop

1:29 pm - 9:31 am

SAN

TRI

17h 02m2 stops

$362Delta

Tue, Jan 27 - Tue, Feb 10

10:06 am - 4:54 pm

TRI

SAN

9h 48m1 stop

6:15 am - 7:11 pm

SAN

TRI

9h 56m2 stops

$364American Airlines

Fri, Jan 9 - Tue, Jan 13

3:16 pm - 8:37 pm

TRI

SAN

8h 21m1 stop

2:55 pm - 9:31 am

SAN

TRI

15h 36m2 stops

$388Delta

Tue, Jan 27 - Mon, Feb 9

Delta flights from Blountville to San Diego

Our best Delta deals on Blountville to San Diego flight tickets

Delta

Jan 31

TRI4:36 pmBlountville Tri Cities TN/VA

7h 01m

1 stop

SAN8:37 pmSan Diego

Feb 7

SAN10:30 pmSan Diego

8h 01m

1 stop

TRI9:31 amBlountville Tri Cities TN/VA

$309

Find similar

Delta

Jan 14

TRI6:05 amBlountville Tri Cities TN/VA

6h 53m

1 stop

SAN9:58 amSan Diego

Jan 20

SAN10:30 pmSan Diego

8h 01m

1 stop

TRI9:31 amBlountville Tri Cities TN/VA

$334

Find similar

Delta

Jan 9

TRI1:45 pmBlountville Tri Cities TN/VA

8h 54m

1 stop

SAN7:39 pmSan Diego

Jan 13

SAN6:30 amSan Diego

6h 53m

1 stop

TRI4:23 pmBlountville Tri Cities TN/VA

$359

Find similar

American Airlines flights from Blountville to San Diego

Our best American Airlines deals on Blountville to San Diego flight tickets

American Airlines

Jan 31

TRI8:00 amBlountville Tri Cities TN/VA

10h 57m

2 stops

SAN3:57 pmSan Diego

Feb 7

SAN10:45 pmSan Diego

7h 56m

1 stop

TRI9:41 amBlountville Tri Cities TN/VA

$314

Find similar

American Airlines

Jan 31

TRI10:06 amBlountville Tri Cities TN/VA

11h 25m

2 stops

SAN6:31 pmSan Diego

Feb 7

SAN9:21 amSan Diego

11h 27m

2 stops

TRI11:48 pmBlountville Tri Cities TN/VA

$319

Find similar

American Airlines

Jan 14

TRI3:31 pmBlountville Tri Cities TN/VA

8h 05m

1 stop

SAN8:36 pmSan Diego

Jan 20

SAN8:25 amSan Diego

11h 57m

2 stops

TRI11:22 pmBlountville Tri Cities TN/VA

$339

Find similar

Fly from

Fly to

Route

Depart

Return

Price

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

10:30 pm-9:31 am

1 stop8h 01m

$309

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Sat 1/31

8:00 am-3:57 pm

2 stops10h 57m

San Diego

Sat 2/7

10:45 pm-9:41 am

1 stop7h 56m

$314

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Sat 1/31

10:06 am-6:31 pm

2 stops11h 25m

San Diego

Sat 2/7

9:21 am-11:48 pm

2 stops11h 27m

$319

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Wed 1/14

6:05 am-9:58 am

1 stop6h 53m

San Diego

Tue 1/20

10:30 pm-9:31 am

1 stop8h 01m

$334

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Wed 1/14

3:31 pm-8:36 pm

1 stop8h 05m

San Diego

Tue 1/20

8:25 am-11:22 pm

2 stops11h 57m

$339

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Wed 1/14

10:06 am-6:31 pm

2 stops11h 25m

San Diego

Tue 1/20

8:25 am-9:16 pm

2 stops9h 51m

$344

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Fri 1/9

1:45 pm-7:39 pm

1 stop8h 54m

San Diego

Tue 1/13

6:30 am-4:23 pm

1 stop6h 53m

$359

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Tue 1/27

6:05 am-9:58 am

1 stop6h 53m

San Diego

Tue 2/10

1:29 pm-9:31 am

2 stops17h 02m

$362

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Fri 1/9

10:06 am-4:54 pm

1 stop9h 48m

San Diego

Tue 1/13

6:15 am-7:11 pm

2 stops9h 56m

$364

BlountvilleSan Diego

TRI - SAN

TRISAN

Blountville Tri Cities TN/VA

Tue 1/27

3:16 pm-8:37 pm

1 stop8h 21m

San Diego

Mon 2/9

2:55 pm-9:31 am

2 stops15h 36m

$388

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Blountville to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of October, then departing from Blountville during the month June is also very affordable. Most momondo users find prices during this month for around $348.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Blountville to San Diego is on a Saturday. Travelers who choose to depart for San Diego on a Saturday will often find tickets for as low as $554. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $668. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

When to book flights from Blountville to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Blountville to San Diego according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Blountville to San Diego (TRI to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Blountville to San Diego

Fastest flight time	7h 03m
Direct flights	None

The fastest flight from Blountville to San Diego takes 7h 03m

There are no direct flights from Blountville to San Diego. There are no popular flight routes from Blountville to San Diego.

Search flight deals

How far is Blountville Tri Cities TN/VA to San Diego by plane?
The distance between Blountville Tri Cities TN/VA and San Diego is about 1985.6 mi. Flights usually cover this in 7h 03m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Blountville Tri Cities TN/VA Airport to San Diego Airport?
Prices for flights from Blountville Tri Cities TN/VA Airport to San Diego Airport are updated daily.
How many operators does momondo search for flights from Blountville Tri Cities TN/VA Airport to San Diego Airport?
As of December 2025, there are 2 operators available to choose from for flights from Blountville Tri Cities TN/VA Airport to San Diego Airport.
How old do you have to be to fly from Blountville Tri Cities TN/VA Airport to San Diego Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Blountville Tri Cities TN/VA Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Blountville to San Diego?
momondo data reveals that the most frequently booked airline on the route from Blountville to San Diego is American Airlines, representing 63% of all bookings. The subsequent popular airline is Delta at 37%.

Best airlines flying from Blountville to San Diego

Compare and see reviews for airlines that fly from Blountville to San Diego with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $336	Free Cancellation	Rating 7.9 8,018 reviews		Search Delta flights
American Airlines	PriceFrom $342	Free Cancellation	Rating 7.2 11,068 reviews		Search American Airlines flights

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Imperial Beach

La Mesa

San Ysidro

Lemon Grove

Alpine

Santee

Why use momondo?

Why should I use momondo to find a flight deal from Blountville to San Diego?

It is quick and easy to find Blountville to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

Can I find flights from Blountville to San Diego with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Diego from Blountville with this policy.

How can momondo help me find flights from Blountville to San Diego?

Once you have performed a search for Blountville to San Diego flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Blountville to San Diego right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Diego from Blountville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.