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San José

$271+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SJO
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/7. 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 3/258:30 am
TYS
-
SJO
1 stop28h 12m
Multiple Airlines
Thu 4/212:19 pm
SJO
-
TYS
1 stop9h 20m
Multiple Airlines
Deal found 3/7$395
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 3/237:40 am
TYS
-
SJO
1 stop29h 34m
Multiple Airlines
Thu 4/212:19 pm
SJO
-
TYS
1 stop9h 20m
Multiple Airlines
Deal found 3/7$405
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 3/237:40 am
TYS
-
SJO
1 stop29h 34m
Multiple Airlines
Fri 4/312:19 pm
SJO
-
TYS
1 stop18h 17m
Multiple Airlines
Deal found 3/7$415
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 14m
Multiple Airlines
Thu 4/212:19 pm
SJO
-
TYS
1 stop9h 20m
Multiple Airlines
Deal found 3/7$418
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 3/258:30 am
TYS
-
SJO
1 stop28h 12m
Multiple Airlines
Tue 3/3111:38 am
SJO
-
TYS
1 stop23h 07m
Multiple Airlines
Deal found 3/7$426
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 14m
Multiple Airlines
Fri 4/312:19 pm
SJO
-
TYS
1 stop18h 17m
Multiple Airlines
Deal found 3/7$428
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 3/237:40 am
TYS
-
SJO
1 stop29h 34m
Multiple Airlines
Tue 3/3111:38 am
SJO
-
TYS
1 stop23h 07m
Multiple Airlines
Deal found 3/7$436
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 14m
Multiple Airlines
Tue 3/3111:38 am
SJO
-
TYS
1 stop23h 07m
Multiple Airlines
Deal found 3/7$449
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/72:56 pm
TYS
-
SJO
1 stop22h 18m
Multiple Airlines
Tue 4/1412:19 pm
SJO
-
TYS
1 stop20h 17m
Multiple Airlines
Deal found 3/10$471

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$395
(Kiwi.com)

One-way from

$271
(eDestinos)

Popular in

December

Cheapest in

August

Average price

$603
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
One-way flight from Knoxville McGhee Tyson to San José Juan Santamaria Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 10, 2026.
Use the filters below to find and compare flights from Knoxville to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Tue 5/12

6:00 am-1:22 pm

1 stop9h 22m

San José Juan Santamaria Intl

Tue 5/19

2:08 pm-10:26 am

1 stop18h 18m

$576
Quickest round-trip

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Mon 4/20

7:00 am-11:25 am

1 stop6h 25m

San José Juan Santamaria Intl

Fri 4/24

11:35 pm-12:30 pm

1 stop10h 55m

$576

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Sun 3/22

12:03 pm-9:15 pm

1 stop11h 12m

San José Juan Santamaria Intl

Wed 4/1

7:00 am-11:57 pm

1 stop14h 57m

$606

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Mon 3/23

12:03 pm-9:15 pm

1 stop11h 12m

San José Juan Santamaria Intl

Wed 4/1

7:00 am-11:57 pm

1 stop14h 57m

$606

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Thu 5/7

10:56 am-9:36 pm

1 stop12h 40m

San José Juan Santamaria Intl

Mon 5/11

2:22 pm-11:59 pm

1 stop7h 37m

$612

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Thu 6/4

7:30 am-7:40 pm

2 stops14h 10m

San José Juan Santamaria Intl

Mon 6/8

8:45 am-10:20 pm

2 stops11h 35m

$613

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Mon 3/23

7:10 am-9:15 pm

1 stop16h 05m

San José Juan Santamaria Intl

Sat 4/4

2:40 pm-9:16 am

1 stop16h 36m

$624

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Sun 7/26

7:05 am-6:40 pm

2 stops13h 35m

San José Juan Santamaria Intl

Fri 7/31

8:45 am-10:20 pm

2 stops11h 35m

$650

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Sun 7/5

6:00 am-1:12 pm

1 stop9h 12m

San José Juan Santamaria Intl

Sat 7/11

6:00 am-7:18 pm

1 stop11h 18m

$657
Cheapest one-way

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Sun 4/5

10:22 am-6:44 am

2 stops22h 22m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-San José flight deals on Cheapflights vs. FlightHub >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 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 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 $78). Flying from Knoxville to San José in March is currently the most expensive (average of $495). 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 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 March 10, 2026.
Get a feel of what it's like to fly with 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.
United Airlines
7.4
Good
9,409 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

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
9,409 reviews
United Airlines
7.4
Good
9,409 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

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
7.1
Good
11,414 reviews
United Airlines
7.4
Good
9,409 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

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 José. 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 José?

    American Airlines and Delta can get you from Knoxville to San José in just under 9h 22m. Your travel time can differ by up to 1h 50m. The distance from Knoxville to San José is about 1782 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 José round-trip?

    Flying on American Airlines is currently your cheapest option to San José, with prices starting at $481. Another option worth looking into is United Airlines, starting at $491 round trip. American Airlines is currently priced 22% 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 $78). Flying from Knoxville to San José in March is currently the most expensive (average of $495). 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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Alternative routes for Knoxville to San José

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to San José flights
Nashville to Liberia flights
Memphis to San José flights
Chattanooga to San José flights

Top 2 airlines flying from Knoxville to San José

Discover the top 2 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$481Average$620FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$491Average$732FlexibilityNo cancel feeOn-time69%

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