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San Luis Obispo

$329+ Cheap flights from Knoxville to San Luis Obispo (TYS - SBP)

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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SBP
Mar 19 — Mar 261
Thu 3/19
Thu 3/26
1 adult, Economy
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Cheap flight deals from Knoxville to San Luis Obispo

Cheapest flights from Knoxville to San Luis Obispo
Explore the most affordable flight options available from Knoxville to San Luis Obispo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 17, 2026.

This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:45 am
TYS
-
SBP
1 stop7h 58m
United Airlines
Sat 8/295:15 am
SBP
-
TYS
1 stop6h 21m
United Airlines
Deal found 2/16$329
This United Airlines deal was found by Cheapflights users on 2/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:00 am
TYS
-
SBP
2 stops11h 56m
United Airlines
Sun 5/38:42 pm
SBP
-
TYS
2 stops10h 24m
United Airlines
Deal found 2/14$400
This United Airlines deal was found by Cheapflights users on 2/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/244:15 pm
TYS
-
SBP
1 stop7h 54m
United Airlines
Sat 2/286:12 am
SBP
-
TYS
2 stops11h 25m
United Airlines
Deal found 2/13$444
This American Airlines deal was found by Cheapflights users on 2/14. 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 4/306:00 am
TYS
-
SBP
1 stop9h 10m
American Airlines
Mon 5/47:02 pm
SBP
-
TYS
2 stops12h 24m
American Airlines
Deal found 2/14$468
This American Airlines deal was found by Cheapflights users on 2/13. 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.
Tue 2/245:05 am
TYS
-
SBP
1 stop9h 55m
American Airlines
Sat 2/2812:45 pm
SBP
-
TYS
1 stop8h 43m
American Airlines
Deal found 2/13$521
This United Airlines deal was found by Cheapflights users on 2/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:15 pm
TYS
-
SBP
1 stop7h 54m
United Airlines
Tue 3/36:12 am
SBP
-
TYS
2 stops13h 18m
United Airlines
Deal found 2/14$535

Find flight deals from Knoxville to San Luis Obispo

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to San Luis Obispo (SBP). 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 February 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$400
(United Airlines)

One-way from

$338
(United Airlines)

Popular in

March

Cheapest in

February

Average price

$339
Provider with most accurate pricing for Knoxville McGhee Tyson-San Luis Obispo County flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-San Luis Obispo County flights.
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From Knoxville McGhee Tyson to San Luis Obispo County
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One-way flight from Knoxville McGhee Tyson to San Luis Obispo County
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to San Luis Obispo 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 February 17, 2026.
Use the filters below to find and compare flights from Knoxville to San Luis Obispo that are best for you.

Fly from

Knoxville

Fly to

San Luis Obispo

Route

Depart

Return

Price

KnoxvilleSan Luis Obispo

TYS - SBP

TYSSBP

Knoxville McGhee Tyson

Wed 4/29

9:00 am-5:56 pm

2 stops11h 56m

San Luis Obispo County

Sun 5/3

8:42 pm-10:06 am

2 stops10h 24m

$400

KnoxvilleSan Luis Obispo

TYS - SBP

TYSSBP

Knoxville McGhee Tyson

Thu 4/30

6:00 am-12:10 pm

1 stop9h 10m

San Luis Obispo County

Mon 5/4

7:02 pm-10:26 am

2 stops12h 24m

$468

KnoxvilleSan Luis Obispo

TYS - SBP

TYSSBP

Knoxville McGhee Tyson

Sat 2/28

4:15 pm-9:09 pm

1 stop7h 54m

San Luis Obispo County

Tue 3/3

6:12 am-10:30 pm

2 stops13h 18m

$535

KnoxvilleSan Luis Obispo

TYS - SBP

TYSSBP

Knoxville McGhee Tyson

Thu 4/2

4:30 pm-11:44 pm

2 stops10h 14m

San Luis Obispo County

Sun 4/5

5:00 am-3:06 pm

1 stop7h 06m

$556

KnoxvilleSan Luis Obispo

TYS - SBP

TYSSBP

Knoxville McGhee Tyson

Wed 4/29

6:00 am-12:10 pm

1 stop9h 10m

San Luis Obispo County

Sun 5/3

12:55 pm-11:56 pm

1 stop8h 01m

$564

KnoxvilleSan Luis Obispo

TYS - SBP

TYSSBP

Knoxville McGhee Tyson

Thu 4/30

4:20 pm-9:16 pm

1 stop7h 56m

San Luis Obispo County

Sun 5/3

8:42 pm-10:06 am

2 stops10h 24m

$565

KnoxvilleSan Luis Obispo

TYS - SBP

TYSSBP

Knoxville McGhee Tyson

Tue 8/4

7:20 pm-1:16 pm

2 stops20h 56m

$344

KnoxvilleSan Luis Obispo

TYS - SBP

TYSSBP

Knoxville McGhee Tyson

Thu 8/6

9:05 am-11:44 pm

2 stops17h 39m

$344

KnoxvilleSan Luis Obispo

TYS - SBP

TYSSBP

Knoxville McGhee Tyson

Fri 8/7

7:20 pm-1:16 pm

2 stops20h 56m

$344

KnoxvilleSan Luis Obispo

TYS - SBP

TYSSBP

Knoxville McGhee Tyson

Wed 8/5

10:45 am-11:44 pm

2 stops15h 59m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 13 results
1
2

Compare providers for flights from Knoxville to San Luis Obispo

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 Knoxville to San Luis Obispo in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Knoxville-San Luis Obispo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-San Luis Obispo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-San Luis Obispo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-San Luis Obispo flights, Cheapflights users trust FlightHub the most. FlightHub 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 Knoxville-San Luis Obispo 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 Knoxville to San Luis Obispo

Have a flexible travel schedule? Discover the best time to fly to San Luis Obispo from Knoxville 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 Knoxville to San Luis Obispo

What is the cheapest month to book a flight from Knoxville to San Luis Obispo?

Currently, May is the cheapest month in which you can book a flight from Knoxville to San Luis Obispo (average of $190). Flying from Knoxville to San Luis Obispo in June is currently the most expensive (average of $378). 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 Luis Obispo

Get insights into the airlines that provide service to San Luis Obispo. 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 Luis Obispo. Reviews last updated February 17, 2026.
Read reviews from past customers who have flown United Airlines and American Airlines from Knoxville to San Luis Obispo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,308 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,308 reviews
United Airlines
7.4
Good
9,308 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,294 reviews
United Airlines
7.4
Good
9,308 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Knoxville to San Luis Obispo. 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 Knoxville to San Luis Obispo?

    For as low as $468, United Airlines can have you in San Luis Obispo from Knoxville in 9h 10m. The distance between Knoxville and San Luis Obispo is about 2048 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 Knoxville to San Luis Obispo round-trip?

    Our cheapest airline available from Knoxville to San Luis Obispo 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 United Airlines, starting at $348. American Airlines is currently priced 42% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to San Luis Obispo 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 Knoxville to San Luis Obispo?

    Currently, May is the cheapest month in which you can book a flight from Knoxville to San Luis Obispo (average of $190). Flying from Knoxville to San Luis Obispo in June is currently the most expensive (average of $378). 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 Luis Obispo?

Book flights to San Luis Obispo if you plan to visit one of these locations
Morro Bay
Arroyo Grande
Avila Beach
San Simeon

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Top 2 airlines flying from Knoxville to San Luis Obispo

Discover the top 2 airlines that operate flights from Knoxville to San Luis Obispo. 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 February 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$456FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$348Average$548FlexibilityNo cancel feeOn-time69%

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