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San Luis Obispo

$429+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SBP
Jan 30 — Feb 61
Fri 1/30
Fri 2/6
1 adult, Economy
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Cheap flight deals from Knoxville to San Luis Obispo

Best flights from Knoxville to San Luis Obispo
Discover carefully curated flight deals from Knoxville to San Luis Obispo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 31, 2025.

This United Airlines deal was found by Cheapflights users on 12/29. 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 1/244:25 pmTYS - SBP
1 stop7h 50mUnited Airlines
Wed 1/285:00 amSBP - TYS
1 stop7h 14mUnited Airlines
Deal found 12/29$429
This United Airlines deal was found by Cheapflights users on 12/31. 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 2/287:05 amTYS - SBP
2 stops13h 10mUnited Airlines
Tue 3/105:00 amSBP - TYS
1 stop7h 00mUnited Airlines
Deal found 12/31$434
This United Airlines deal was found by Cheapflights users on 12/31. 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 3/46:45 amTYS - SBP
2 stops13h 30mUnited Airlines
Mon 3/95:00 amSBP - TYS
1 stop7h 00mUnited Airlines
Deal found 12/31$434
This United Airlines deal was found by Cheapflights users on 12/31. 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 3/39:10 amTYS - SBP
2 stops14h 59mUnited Airlines
Tue 3/105:00 amSBP - TYS
1 stop7h 00mUnited Airlines
Deal found 12/31$434
This United Airlines deal was found by Cheapflights users on 12/31. 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 2/282:21 pmTYS - SBP
2 stops12h 38mUnited Airlines
Sat 3/75:00 amSBP - TYS
1 stop7h 00mUnited Airlines
Deal found 12/31$434
This United Airlines deal was found by Cheapflights users on 12/31. 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 3/46:45 amTYS - SBP
2 stops13h 30mUnited Airlines
Sat 3/75:00 amSBP - TYS
2 stops12h 48mUnited Airlines
Deal found 12/31$439
This United Airlines deal was found by Cheapflights users on 12/31. 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.
Fri 2/276:45 amTYS - SBP
2 stops13h 30mUnited Airlines
Mon 3/96:00 pmSBP - TYS
2 stops13h 49mUnited Airlines
Deal found 12/31$439

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 December 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$429
(United Airlines)
Provider with most accurate pricing for Knoxville McGhee Tyson-San Luis Obispo County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-San Luis Obispo County flights.
Search Deals
From Knoxville McGhee Tyson to San Luis Obispo County
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 December 31, 2025.
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

Sat 1/24

4:25 pm-9:15 pm

1 stop7h 50m

San Luis Obispo County

Wed 1/28

5:00 am-3:14 pm

1 stop7h 14m

$429

KnoxvilleSan Luis Obispo

TYS - SBP

TYSSBP

Knoxville McGhee Tyson

Sat 2/28

7:05 am-5:15 pm

2 stops13h 10m

San Luis Obispo County

Tue 3/10

5:00 am-3:00 pm

1 stop7h 00m

$434

KnoxvilleSan Luis Obispo

TYS - SBP

TYSSBP

Knoxville McGhee Tyson

Wed 3/4

6:45 am-5:15 pm

2 stops13h 30m

San Luis Obispo County

Mon 3/9

5:00 am-3:00 pm

1 stop7h 00m

$434

KnoxvilleSan Luis Obispo

TYS - SBP

TYSSBP

Knoxville McGhee Tyson

Tue 3/3

9:10 am-9:09 pm

2 stops14h 59m

San Luis Obispo County

Tue 3/10

5:00 am-3:00 pm

1 stop7h 00m

$434

KnoxvilleSan Luis Obispo

TYS - SBP

TYSSBP

Knoxville McGhee Tyson

Sat 2/28

2:21 pm-11:59 pm

2 stops12h 38m

San Luis Obispo County

Sat 3/7

5:00 am-3:00 pm

1 stop7h 00m

$434

KnoxvilleSan Luis Obispo

TYS - SBP

TYSSBP

Knoxville McGhee Tyson

Wed 3/4

6:45 am-5:15 pm

2 stops13h 30m

San Luis Obispo County

Sat 3/7

5:00 am-8:48 pm

2 stops12h 48m

$439

KnoxvilleSan Luis Obispo

TYS - SBP

TYSSBP

Knoxville McGhee Tyson

Fri 2/27

6:45 am-5:15 pm

2 stops13h 30m

San Luis Obispo County

Mon 3/9

6:00 pm-10:49 am

2 stops13h 49m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Expedia the most. Expedia 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, September is the cheapest month in which you can book a flight from Knoxville to San Luis Obispo (average of $198). Flying from Knoxville to San Luis Obispo in November is currently the most expensive (average of $455). 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 December 31, 2025.
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
9,128 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,128 reviews
United Airlines
7.4
Good
9,128 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
11,070 reviews
United Airlines
7.4
Good
9,128 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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 $397, United Airlines can have you in San Luis Obispo from Knoxville in 13h 16m. The distance between Knoxville and San Luis Obispo is about 2048 mi.

  • 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 $309.

  • 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, September is the cheapest month in which you can book a flight from Knoxville to San Luis Obispo (average of $198). Flying from Knoxville to San Luis Obispo in November is currently the most expensive (average of $455). 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 December 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$438FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$309Average$548FlexibilityNo cancel feeOn-time69%

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