Cheap flights from San Diego to Knoxville (SAN - TYS) from $125

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SAN — TYS
May 29 — Jun 51

The best prices from San Diego to Knoxville McGhee Tyson are usually found in January or February, booked 20 days in advance, depart on a Wednesday or Saturday and return on a Thursday

Cheap flight deals from San Diego to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Knoxville (TYS). 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 May 24, 2024.

Popular in

December

Cheapest in

January

Round-trip from

$302

One-way from

$240
High demand for flights, 20% potential price rise
Best time to find cheap flights, 30% potential price drop
From San Diego to Knoxville McGhee Tyson
One-way flight from San Diego to Knoxville McGhee Tyson

What is the cheapest day to fly round-trip from San Diego to Knoxville?

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 49% on the overall cost on flights from San Diego to Knoxville.

How far in advance should I book a flight from San Diego to Knoxville?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 21 days in advance, which can save you up to 357% on flights from San Diego to Knoxville compared to booking the week you need them. Waiting 21 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $391. For sooner than that we have options available in the next 3 days from $540.

What is the cheapest month to fly from San Diego to Knoxville?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, January can be a great choice for travel to Knoxville. Flights to Knoxville from San Diego in January are about $491 on average during January, but can be found for as low as $290.

When is the cheapest time to fly from San Diego to Knoxville (SAN - TYS)?

It’s typically best to fly out from San Diego to Knoxville in the afternoon. Doing so could potentially save you 41% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Frontier flights from San Diego to Knoxville

Explore cheap flight options specifically provided by Frontier for the route between San Diego and Knoxville. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,725,499 searches. Data last updated May 24, 2024.
Peruse some of the lowest-priced Frontier flights we've found from San Diego to Knoxville. Deals update often to give you more flight options matching your criteria
Tue 7/97:56 pmSAN - TYS
1 stop19h 52mFrontier
Mon 7/1510:40 pmTYS - SAN
1 stop25h 36mFrontier
Deal found 5/22$243
Thu 6/63:02 pmSAN - TYS
1 stop27h 28mFrontier
Mon 6/1010:41 pmTYS - SAN
1 stop25h 41mFrontier
Deal found 5/22$283
Thu 6/63:02 pmSAN - TYS
1 stop27h 28mFrontier
Mon 6/1010:41 pmTYS - SAN
2 stops23h 43mFrontier
Deal found 5/22$288
Mon 7/110:06 amSAN - TYS
1 stop8h 33mFrontier
Wed 7/317:48 pmTYS - SAN
1 stop16h 40mFrontier
Deal found 5/23$308
Tue 6/117:45 pmSAN - TYS
1 stop20h 02mFrontier
Fri 6/1410:32 pmTYS - SAN
1 stop21h 23mFrontier
Deal found 5/22$339
Tue 6/117:45 pmSAN - TYS
1 stop20h 02mFrontier
Fri 6/1410:32 pmTYS - SAN
2 stops23h 51mFrontier
Deal found 5/22$345

Cheap Delta flights from San Diego to Knoxville

Explore cheap flight options specifically provided by Delta for the route between San Diego and Knoxville. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,725,499 searches. Data last updated May 24, 2024.
Browse through some of the cheapest Delta flights traveling from San Diego to Knoxville. Check back soon if you're not seeing flights that suit your needs.
Wed 8/212:05 pmSAN - TYS
1 stop6h 52mDelta
Sun 8/255:35 amTYS - SAN
1 stop7h 09mDelta
Deal found 5/22$276
Wed 6/1910:30 pmSAN - TYS
1 stop7h 52mDelta
Wed 6/265:25 amTYS - SAN
1 stop7h 09mDelta
Deal found 5/22$293
Fri 5/312:11 pmSAN - TYS
1 stop6h 40mDelta
Sun 6/167:59 pmTYS - SAN
1 stop6h 54mDelta
Deal found 5/22$346
Fri 10/259:59 pmSAN - TYS
1 stop8h 11mDelta
Sun 10/276:30 pmTYS - SAN
1 stop7h 45mDelta
Deal found 5/22$390
Thu 6/139:40 pmSAN - TYS
1 stop8h 42mDelta
Sun 6/165:25 amTYS - SAN
1 stop7h 09mDelta
Deal found 5/22$407
Fri 6/77:20 amSAN - TYS
1 stop8h 34mDelta
Sun 6/95:25 amTYS - SAN
1 stop7h 09mDelta
Deal found 5/23$424
Fri 6/711:58 amSAN - TYS
1 stop8h 02mDelta
Sun 6/95:25 amTYS - SAN
1 stop7h 09mDelta
Deal found 5/22$559
Fri 5/312:11 pmSAN - TYS
1 stop6h 40mDelta
Sun 6/167:59 pmTYS - SAN
1 stop6h 54mDelta
Deal found 5/22$696
Thu 6/1311:00 amSAN - TYS
2 stops9h 53mDelta
Sun 6/165:25 amTYS - SAN
1 stop7h 09mDelta
Deal found 5/22$746

Cheap San Diego to Knoxville flights in May & June 2024

Find cheap flight options from San Diego to Knoxville specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,725,499 searches. Prices were last updated on May 24, 2024.
Check out some of the best flight deals from San Diego to Knoxville in 2024. Check back in a little while for more flight options.
Thu 6/63:02 pmSAN - TYS
1 stop27h 28mFrontier
Mon 6/1010:41 pmTYS - SAN
1 stop25h 41mFrontier
Deal found 5/22$283
Thu 6/63:02 pmSAN - TYS
1 stop27h 28mFrontier
Mon 6/1010:41 pmTYS - SAN
2 stops23h 43mFrontier
Deal found 5/22$288
Tue 6/118:29 amSAN - TYS
3 stops25h 26mMultiple Airlines
Fri 6/1410:15 pmTYS - SAN
1 stop14h 05mMultiple Airlines
Deal found 5/22$290
Wed 6/1910:30 pmSAN - TYS
1 stop7h 52mDelta
Wed 6/265:25 amTYS - SAN
1 stop7h 09mDelta
Deal found 5/22$293
Tue 6/118:29 amSAN - TYS
3 stops25h 26mMultiple Airlines
Fri 6/1410:15 pmTYS - SAN
3 stops20h 47mMultiple Airlines
Deal found 5/22$336
Tue 6/117:45 pmSAN - TYS
1 stop20h 02mFrontier
Fri 6/1410:32 pmTYS - SAN
1 stop21h 23mFrontier
Deal found 5/22$339
Tue 6/117:45 pmSAN - TYS
1 stop20h 02mFrontier
Fri 6/1410:32 pmTYS - SAN
2 stops23h 51mFrontier
Deal found 5/22$345
Fri 5/312:11 pmSAN - TYS
1 stop6h 40mDelta
Sun 6/167:59 pmTYS - SAN
1 stop6h 54mDelta
Deal found 5/22$346
Wed 6/191:02 pmSAN - TYS
2 stops19h 25mMultiple Airlines
Wed 6/269:00 amTYS - SAN
3 stops14h 30mMultiple Airlines
Deal found 5/22$362

San Diego to Knoxville 2024 flight deals

Discover exclusive flight deals for travel between San Diego and Knoxville in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,725,499 searches. Data last updated May 24, 2024.
Check out some of the best flight deals from San Diego to Knoxville in 2024. Check back in a little while for more flight options.
Tue 10/810:10 pmSAN - TYS
1 stop9h 09mAmerican Airlines
Wed 10/94:54 pmTYS - SAN
1 stop8h 38mAmerican Airlines
Deal found 5/22$203
Tue 7/97:56 pmSAN - TYS
1 stop19h 52mFrontier
Mon 7/1510:40 pmTYS - SAN
1 stop25h 36mFrontier
Deal found 5/22$243
Tue 7/232:23 pmSAN - TYS
1 stop6h 36mAmerican Airlines
Tue 7/304:44 pmTYS - SAN
1 stop7h 33mAmerican Airlines
Deal found 5/22$267
Wed 8/212:05 pmSAN - TYS
1 stop6h 52mDelta
Sun 8/255:35 amTYS - SAN
1 stop7h 09mDelta
Deal found 5/22$276
Thu 6/63:02 pmSAN - TYS
1 stop27h 28mFrontier
Mon 6/1010:41 pmTYS - SAN
1 stop25h 41mFrontier
Deal found 5/22$283
Wed 8/149:25 pmSAN - TYS
1 stop8h 11mAmerican Airlines
Sun 8/185:10 amTYS - SAN
1 stop7h 02mAmerican Airlines
Deal found 5/22$284
Thu 6/63:02 pmSAN - TYS
1 stop27h 28mFrontier
Mon 6/1010:41 pmTYS - SAN
2 stops23h 43mFrontier
Deal found 5/22$288
Tue 6/118:29 amSAN - TYS
3 stops25h 26mMultiple Airlines
Fri 6/1410:15 pmTYS - SAN
1 stop14h 05mMultiple Airlines
Deal found 5/22$290
Wed 6/1910:30 pmSAN - TYS
1 stop7h 52mDelta
Wed 6/265:25 amTYS - SAN
1 stop7h 09mDelta
Deal found 5/22$293

San Diego to Knoxville flights leaving soon

Find last-minute flight options from San Diego to Knoxville for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,725,499 searches. Data last updated May 24, 2024.
Book one of these great deals on flights from San Diego to Knoxville. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Fri 5/312:11 pmSAN - TYS
1 stop6h 40mDelta
Sun 6/167:59 pmTYS - SAN
1 stop6h 54mDelta
Deal found 5/22$346
Fri 5/315:52 pmSAN - TYS
2 stops16h 12mMultiple Airlines
Sun 6/1610:43 pmTYS - SAN
3 stops28h 12mMultiple Airlines
Deal found 5/22$471
Fri 5/319:20 pmSAN - TYS
1 stop8h 21mAmerican Airlines
Sun 6/25:30 amTYS - SAN
1 stop7h 28mAmerican Airlines
Deal found 5/22$489
Wed 5/2911:54 amSAN - TYS
1 stop6h 54mAmerican Airlines
Sun 6/25:30 amTYS - SAN
1 stop7h 28mAmerican Airlines
Deal found 5/23$520
Fri 5/316:15 amSAN - TYS
3 stops27h 49mMultiple Airlines
Sun 6/1610:43 pmTYS - SAN
3 stops28h 12mMultiple Airlines
Deal found 5/22$592
Fri 5/315:52 pmSAN - TYS
2 stops16h 12mMultiple Airlines
Sun 6/166:00 amTYS - SAN
2 stops13h 42mMultiple Airlines
Deal found 5/22$619
Wed 5/296:40 amSAN - TYS
2 stops12h 56mUnited Airlines
Sun 6/25:10 pmTYS - SAN
1 stop7h 35mUnited Airlines
Deal found 5/22$676
Fri 5/312:11 pmSAN - TYS
1 stop6h 40mDelta
Sun 6/167:59 pmTYS - SAN
1 stop6h 54mDelta
Deal found 5/22$696
Fri 5/316:15 amSAN - TYS
2 stops14h 13mUnited Airlines
Sun 6/167:00 amTYS - SAN
1 stop15h 56mUnited Airlines
Deal found 5/22$741

One-way flights to Knoxville from San Diego

Search for one-way flight options from San Diego to Knoxville. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,725,499 searches. Data last updated May 24, 2024.
Take a look at some of the one-way flights we've detected from San Diego to Knoxville. Those needing a return flight from San Diego to Knoxville can use the search form above.
Thu 6/63:02 pmSAN - TYS
1 stop27h 28mFrontier
Deal found 5/23$125
Sun 6/28:04 amSAN - TYS
1 stop22h 56mFrontier
Deal found 5/23$145
Thu 6/68:16 pmSAN - TYS
2 stops11h 57mMultiple Airlines
Deal found 5/23$154
Thu 6/208:16 pmSAN - TYS
2 stops11h 57mMultiple Airlines
Deal found 5/23$169
Wed 6/128:14 amSAN - TYS
3 stops31h 15mMultiple Airlines
Deal found 5/22$172
Thu 6/67:00 amSAN - TYS
3 stops25h 13mMultiple Airlines
Deal found 5/23$188
Sun 7/147:00 pmSAN - TYS
2 stops17h 44mMultiple Airlines
Deal found 5/22$195
Thu 6/203:02 pmSAN - TYS
1 stop27h 28mFrontier
Deal found 5/23$200
Thu 6/205:31 pmSAN - TYS
3 stops14h 42mMultiple Airlines
Deal found 5/23$204

Find flights from San Diego to Knoxville within your budget

Customize your flight search to find flights from San Diego to Knoxville 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 2,725,499 searches. Data last updated May 24, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$203 - $303

Route

Depart

Return

Price

San DiegoKnoxville McGhee Tyson

SAN - TYS

SANTYS

San Diego

Tue 10/8

1 stop9h 09m

Knoxville McGhee Tyson

Wed 10/9

1 stop8h 38m

$203

San DiegoKnoxville McGhee Tyson

SAN - TYS

SANTYS

San Diego

Tue 7/9

1 stop19h 52m

Knoxville McGhee Tyson

Mon 7/15

1 stop25h 36m

$243

San DiegoKnoxville McGhee Tyson

SAN - TYS

SANTYS

San Diego

Thu 9/5

1 stop7h 49m

Knoxville McGhee Tyson

Mon 9/9

1 stop8h 23m

$264

San DiegoKnoxville McGhee Tyson

SAN - TYS

SANTYS

San Diego

Tue 7/23

1 stop6h 36m

Knoxville McGhee Tyson

Tue 7/30

1 stop7h 33m

$267

San DiegoKnoxville McGhee Tyson

SAN - TYS

SANTYS

San Diego

Wed 8/21

1 stop6h 52m

Knoxville McGhee Tyson

Sun 8/25

1 stop7h 09m

$276

San DiegoKnoxville McGhee Tyson

SAN - TYS

SANTYS

San Diego

Thu 6/6

1 stop27h 28m

Knoxville McGhee Tyson

Mon 6/10

1 stop25h 41m

$283

San DiegoKnoxville McGhee Tyson

SAN - TYS

SANTYS

San Diego

Tue 6/11

3 stops25h 26m

Knoxville McGhee Tyson

Fri 6/14

1 stop14h 05m

$290

San DiegoKnoxville McGhee Tyson

SAN - TYS

SANTYS

San Diego

Wed 6/19

1 stop7h 52m

Knoxville McGhee Tyson

Wed 6/26

1 stop7h 09m

$293

San DiegoKnoxville McGhee Tyson

SAN - TYS

SANTYS

San Diego

Tue 10/8

1 stop7h 07m

Knoxville McGhee Tyson

Wed 10/9

2 stops12h 06m

$303

Flights are sorted by cheapest first

Deals found on 5/22

When is the best time to book a flight from San Diego to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Knoxville. Price data was last updated on May 22, 2024.
Booking 20 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Knoxville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from San Diego to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Knoxville. Price data was last updated on May 19, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Diego to Knoxville flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from San Diego to Knoxville

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

Temperature and rainfall in Knoxville by month

Plan your trip to Knoxville by taking into account the average temperature and rainfall totals by month.

TYS

Temperature

39.2 - 78.8 °F

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated May 24, 2024.
Get a feel of what it's like to fly with Frontier, Delta and American Airlines from San Diego to Knoxville by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,175 reviews

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
9,175 reviews
8.1
Very good
9,175 reviews

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.0
Very good
10,561 reviews
8.1
Very good
9,175 reviews

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.4
Good
10,845 reviews
8.1
Very good
9,175 reviews

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.3
Good
14,388 reviews
8.1
Very good
9,175 reviews

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

6.3
Okay
4,039 reviews
8.1
Very good
9,175 reviews

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from San Diego to Knoxville for under $300 on Cheapflights?

    Yes, there are multiple flights from San Diego to Knoxville for under $300. The cheapest flight booked recently is on American Airlines for just $203, but on average you can expect to pay $298.

  • Are there last-minute flights available from San Diego to Knoxville for under $400?

    There are currently 20+ open flights from San Diego to Knoxville within the next 7 days for less than $400.

  • What are the cheapest airlines flying from San Diego to Knoxville round-trip?

    Cheapflights users have booked flights from San Diego to Knoxville round-trip from $203. Other airlines that can offer you cheap pricing are Frontier, from $243, and United Airlines, from $264. These flights start at 58% lower than the current average price 3 months from now.

  • What does SAN to TYS mean?

    San Diego Airport is SAN and Knoxville McGhee Tyson Airport is TYS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from San Diego to Knoxville that include extra baggage allowance?

    The amount of baggage you can bring on your San Diego to Knoxville flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Diego to Knoxville with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Diego to Knoxville flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from San Diego to Knoxville that allow pets onboard?

    Many airlines flying from San Diego to Knoxville offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Diego to Knoxville?

    Yes, you can often find last-minute deals on San Diego to Knoxville flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Diego to Knoxville flight deals updated?

    The San Diego to Knoxville flight deals you see on this page were last updated on 5/22.

  • What are the most popular airlines that fly from San Diego to Knoxville?

  • When is the best time to book a flight from San Diego to Knoxville?

    Currently, February is the cheapest month in which you can book a flight from San Diego to Knoxville (average of $302). Flying from San Diego to Knoxville in April is currently the most expensive (average of $376). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Diego to Knoxville
See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from San Diego to Knoxville

Discover the top 5 airlines that operate flights from San Diego to Knoxville. 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 2,725,499 searches. Data last updated May 24, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$131Average$267FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapest$271Average$508FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$275Average$478FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$370Average$588FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapest$485Average$788FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Search flights from San Diego to Knoxville by cabin class

Find flights from San Diego to Knoxville, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Diego to Knoxville?

Deals for San Diego to Knoxville flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from San Diego to Knoxville?

Cheapflights simply makes it quick and affordable to book flights from San Diego to Knoxville by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from San Diego to Knoxville with no change fees?

Certainly. Search results for flights to Knoxville from San Diego shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Diego to Knoxville become cheaper?

Of course! You can now track prices for flights from San Diego to Knoxville and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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