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San José

$243+ Cheap flights from Knoxville (TYS) to San José (SJO)

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SJO
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
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Cheap 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 octubre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$316
(Kiwi.com)

One-way from

$243
(Southwest)

Popular in

October

Cheapest in

August

Average price

$823
Provider with most accurate pricing for Knoxville McGhee Tyson-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-San José Juan Santamaria Intl flights.
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From Knoxville McGhee Tyson to San José Juan Santamaria Intl
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One-way flight from Knoxville McGhee Tyson to San José Juan Santamaria Intl
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Highest demand for flights based on searches. 7% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 octubre 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
jue. 12/412:43 pmTYS - SJO
1 stop24h 42mMultiple Airlines
mié. 12/171:31 pmSJO - TYS
1 stop17h 47mMultiple Airlines
Deal found 10/26$316
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
dom. 12/77:11 pmTYS - SJO
1 stop18h 14mMultiple Airlines
dom. 12/141:31 pmSJO - TYS
1 stop18h 02mMultiple Airlines
Deal found 10/27$380
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
jue. 10/305:24 pmTYS - SJO
1 stop20h 06mMultiple Airlines
jue. 11/61:30 pmSJO - TYS
1 stop8h 03mMultiple Airlines
Deal found 10/27$388
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
jue. 10/305:24 pmTYS - SJO
1 stop20h 06mMultiple Airlines
sáb. 11/112:35 pmSJO - TYS
1 stop19h 28mMultiple Airlines
Deal found 10/26$464
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
vie. 12/121:05 pmTYS - SJO
1 stop23h 37mMultiple Airlines
dom. 1/111:16 amSJO - TYS
2 stops15h 12mMultiple Airlines
Deal found 10/28$479

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 octubre 28, 2025.
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

jue. 12/4

12:43 pm-11:42 am

2 stops23h 59m

San José Juan Santamaria Intl

mié. 12/17

1:31 pm-8:18 am

1 stop17h 47m

$339

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

dom. 12/7

7:11 pm-12:25 pm

1 stop18h 14m

San José Juan Santamaria Intl

dom. 12/14

1:31 pm-8:33 am

1 stop18h 02m

$380

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

vie. 12/12

1:05 pm-11:42 am

1 stop23h 37m

San José Juan Santamaria Intl

dom. 1/11

1:16 am-5:28 pm

2 stops15h 12m

$479

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

mié. 12/3

7:38 am-8:49 pm

2 stops14h 11m

San José Juan Santamaria Intl

jue. 12/11

7:00 am-8:48 pm

2 stops12h 48m

$498

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

vie. 12/5

5:24 am-9:11 pm

1 stop16h 47m

San José Juan Santamaria Intl

mié. 1/14

6:00 am-11:59 pm

1 stop16h 59m

$512

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

jue. 12/4

5:24 am-10:59 pm

1 stop18h 35m

San José Juan Santamaria Intl

mié. 12/17

12:56 pm-10:55 pm

1 stop8h 59m

$512

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

lun. 3/9

7:50 am-7:40 pm

2 stops13h 50m

$243

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

lun. 3/9

5:49 am-9:55 pm

1 stop18h 06m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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 October.
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
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.

What is the cheapest time of day to fly from TYS to SJO?

Find hourly flight availability from Knoxville to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Knoxville to San José in the evening. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight in the morning.

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 octubre 28, 2025.
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
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 $463. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $491 and $491, respectively. Delta is currently priced 30% 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
Heredia
Manuel Antonio
Alajuela
Monteverde
Jacó
Dominical

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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 octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$463Average$659FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$491Average$783FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$491Average$662FlexibilityNo cancel feeOn-time71%

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