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San José

$337+ Cheap flights from Knoxville (TYS) to San José (SJO)

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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SJO
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Knoxville to San José

Cheapest flights from Knoxville to San José
Explore the most affordable flight options available from Knoxville to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/225:56 pm
TYS
-
SJO
2 stops19h 26m
Multiple Airlines
Wed 3/412:35 pm
SJO
-
TYS
1 stop27h 21m
Multiple Airlines
Deal found 1/23$337
This Kiwi.com deal was found by Cheapflights users on 1/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/207:22 pm
TYS
-
SJO
2 stops18h 00m
Multiple Airlines
Fri 2/2712:35 pm
SJO
-
TYS
1 stop24h 29m
Multiple Airlines
Deal found 1/23$385
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/243:00 pm
TYS
-
SJO
1 stop22h 19m
Multiple Airlines
Tue 3/3112:24 pm
SJO
-
TYS
1 stop20h 12m
Multiple Airlines
Deal found 1/25$402
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/232:06 pm
TYS
-
SJO
1 stop22h 34m
Multiple Airlines
Mon 3/24:15 pm
SJO
-
TYS
2 stops40h 55m
Multiple Airlines
Deal found 1/24$411
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:25 pm
TYS
-
SJO
1 stop20h 57m
Multiple Airlines
Fri 4/245:05 am
SJO
-
TYS
2 stops15h 19m
Multiple Airlines
Deal found 1/24$418
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/291:39 pm
TYS
-
SJO
1 stop15h 11m
Multiple Airlines
Sat 1/315:10 pm
SJO
-
TYS
1 stop23h 43m
Multiple Airlines
Deal found 1/25$420
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/124:31 pm
TYS
-
SJO
2 stops20h 48m
Multiple Airlines
Wed 4/2212:31 pm
SJO
-
TYS
1 stop24h 14m
Multiple Airlines
Deal found 1/24$425
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/129:43 pm
TYS
-
SJO
1 stop15h 36m
Multiple Airlines
Thu 3/1912:24 pm
SJO
-
TYS
1 stop8h 02m
Multiple Airlines
Deal found 1/26$430

Find flight deals from Knoxville to San José

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to San José (SJO). 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 January 26, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$402
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$613
Provider with most accurate pricing for Knoxville McGhee Tyson-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-San José Juan Santamaria Intl flights.
Search Deals
From Knoxville McGhee Tyson to San José Juan Santamaria Intl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to San José 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 January 26, 2026.
Use the filters below to find and compare flights from Knoxville to San José that are best for you.

Fly from

Knoxville

Fly to

San José

Route

Depart

Return

Price

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Fri 2/20

7:22 pm-12:22 pm

2 stops18h 00m

San José Juan Santamaria Intl

Fri 2/27

12:35 pm-2:04 pm

1 stop24h 29m

$385

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Sun 2/22

6:12 pm-11:40 am

1 stop18h 28m

San José Juan Santamaria Intl

Wed 3/4

12:35 pm-4:56 pm

1 stop27h 21m

$393

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Mon 2/23

2:06 pm-11:40 am

1 stop22h 34m

San José Juan Santamaria Intl

Mon 3/2

4:15 pm-10:10 am

2 stops40h 55m

$411

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Wed 4/15

4:25 pm-11:22 am

1 stop20h 57m

San José Juan Santamaria Intl

Fri 4/24

5:05 am-10:24 pm

2 stops15h 19m

$418

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Thu 1/29

1:39 pm-3:50 am

1 stop15h 11m

San José Juan Santamaria Intl

Sat 1/31

5:10 pm-5:53 pm

1 stop23h 43m

$420

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Sun 4/12

4:31 pm-11:19 am

2 stops20h 48m

San José Juan Santamaria Intl

Wed 4/22

12:31 pm-2:45 pm

1 stop24h 14m

$425

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Thu 3/12

9:43 pm-11:19 am

1 stop15h 36m

San José Juan Santamaria Intl

Thu 3/19

12:24 pm-10:26 pm

1 stop8h 02m

$430

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Tue 3/24

3:00 pm-10:42 am

2 stops21h 42m

San José Juan Santamaria Intl

Tue 3/31

12:24 pm-10:36 am

1 stop20h 12m

$432

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Wed 3/11

4:25 pm-11:19 am

1 stop20h 54m

San José Juan Santamaria Intl

Wed 3/18

7:50 pm-5:22 pm

2 stops19h 32m

$446

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Compare providers for flights from Knoxville to San José

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 José in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
CheapTicketsDealPrice 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 José flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Knoxville-San José flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Knoxville-San José flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-San José flights, Cheapflights users trust eDreams the most. eDreams 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 José 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 José

Have a flexible travel schedule? Discover the best time to fly to San José 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 José

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

Currently, April is the cheapest month in which you can book a flight from Knoxville to San José (average of $86). Flying from Knoxville to San José in September is currently the most expensive (average of $489). 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.

How much does it cost to fly round-trip from Knoxville to San José?

Reviews of airlines servicing San José

Get insights into the airlines that provide service to San José. 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 José. Reviews last updated January 26, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Knoxville to San José by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,111 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,111 reviews
Delta
7.9
Good
8,111 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,199 reviews
Delta
7.9
Good
8,111 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,189 reviews
Delta
7.9
Good
8,111 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to San José. 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 Knoxville to San José round-trip?

    Flying on Delta is currently your cheapest option to San José, with prices starting at $324. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $484 and $491, respectively. Delta is currently priced 49% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to San José 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 José?

    Currently, April is the cheapest month in which you can book a flight from Knoxville to San José (average of $86). Flying from Knoxville to San José in September is currently the most expensive (average of $489). 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 José?

Book flights to San José if you plan to visit one of these locations
Alajuela
Monteverde
Jacó
Heredia
Dominical
Manuel Antonio

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Knoxville to San José

Discover the top 3 airlines that operate flights from Knoxville to San José. 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$324Average$659FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$484Average$642FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$491Average$732FlexibilityNo cancel feeOn-time69%

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