Costa Rica

$199+ Cheap flights from Knoxville (TYS) to Costa Rica

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SJO
مارس 16 — مارس 231
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Cheap flight deals from Knoxville to Costa Rica

Cheapest flights from Knoxville to Costa Rica
Explore the most affordable flight options available from Knoxville to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on فبراير 14, 2026.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
خ 4/1611:27 am
TYS
-
SJO
2 stops14h 13m
Multiple Airlines
ث 4/2812:20 pm
SJO
-
TYS
1 stop20h 16m
Multiple Airlines
Deal found 2/13$417
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ح 4/128:20 am
TYS
-
SJO
1 stop28h 22m
Multiple Airlines
ث 4/2812:20 pm
SJO
-
TYS
1 stop20h 16m
Multiple Airlines
Deal found 2/13$420
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ن 4/136:20 pm
TYS
-
SJO
1 stop18h 22m
Multiple Airlines
ث 4/2812:20 pm
SJO
-
TYS
1 stop20h 16m
Multiple Airlines
Deal found 2/13$426
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ر 4/154:25 pm
TYS
-
SJO
1 stop20h 50m
Multiple Airlines
ث 4/2812:20 pm
SJO
-
TYS
1 stop20h 16m
Multiple Airlines
Deal found 2/13$431
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
خ 4/1611:27 am
TYS
-
SJO
2 stops14h 13m
Multiple Airlines
ر 4/2912:20 pm
SJO
-
TYS
1 stop24h 30m
Multiple Airlines
Deal found 2/13$436
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ح 4/128:20 am
TYS
-
SJO
1 stop28h 22m
Multiple Airlines
ر 4/2912:20 pm
SJO
-
TYS
1 stop24h 30m
Multiple Airlines
Deal found 2/13$438
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ن 4/136:20 pm
TYS
-
SJO
1 stop18h 22m
Multiple Airlines
ر 4/2912:20 pm
SJO
-
TYS
2 stops32h 13m
Multiple Airlines
Deal found 2/13$439
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.
ث 6/166:00 am
TYS
-
LIR
1 stop7h 22m
American Airlines
خ 6/2512:35 pm
LIR
-
TYS
1 stop9h 24m
American Airlines
Deal found 2/13$568
This American Airlines deal was found by Cheapflights users on 2/12. 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.
ث 5/126:15 am
TYS
-
LIR
1 stop7h 09m
American Airlines
خ 5/2112:35 pm
LIR
-
TYS
1 stop9h 24m
American Airlines
Deal found 2/12$577
This American Airlines deal was found by Cheapflights users on 2/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
س 5/98:48 pm
TYS
-
LIR
2 stops16h 36m
American Airlines
خ 5/142:10 pm
LIR
-
TYS
1 stop18h 16m
American Airlines
Deal found 2/10$582
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ح 4/125:40 am
TYS
-
LIR
1 stop9h 10m
Delta
ر 4/291:25 pm
LIR
-
TYS
1 stop8h 29m
Delta
Deal found 2/13$586
This American Airlines deal was found by Cheapflights users on 2/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
س 4/185:57 pm
TYS
-
LIR
2 stops19h 27m
American Airlines
ر 4/292:40 pm
LIR
-
TYS
1 stop7h 19m
American Airlines
Deal found 2/10$591

Find flight deals from Knoxville to Costa Rica

Keep the following information in mind while searching for Knoxville to Costa Rica flight deals. Data was last updated فبراير 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$417
(Kiwi.com)

One-way from

$199
(Kiwi.com)

Popular in

October

Cheapest in

August

Average price

$565
Provider with most accurate pricing for Knoxville McGhee Tyson-San José Juan Santamaria Intl flight deals.
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-San José Juan Santamaria Intl flights.
From Knoxville McGhee Tyson to Costa Rica
One-way flight from Knoxville McGhee Tyson to Costa Rica
Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Costa Rica 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 فبراير 14, 2026.
Use the filters below to find and compare flights from Knoxville to Costa Rica that are best for you.

Fly from

Knoxville

Fly to

Costa Rica

Route

Depart

Return

Price

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

ح 4/12

3:51 pm-11:14 am

1 stop21h 23m

San José Juan Santamaria Intl

ج 4/24

12:20 pm-12:06 pm

1 stop21h 46m

$460

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

ج 4/10

1:15 pm-10:42 am

1 stop23h 27m

San José Juan Santamaria Intl

ج 4/24

12:20 pm-12:06 pm

1 stop21h 46m

$467

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

ث 4/14

3:48 pm-11:15 am

2 stops21h 27m

San José Juan Santamaria Intl

ر 4/29

12:20 pm-2:50 pm

1 stop24h 30m

$490

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

ر 4/15

4:25 pm-11:15 am

1 stop20h 50m

San José Juan Santamaria Intl

س 4/25

12:20 pm-2:45 pm

1 stop24h 25m

$503

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

ج 4/10

1:15 pm-10:42 am

1 stop23h 27m

San José Juan Santamaria Intl

ح 4/26

12:20 pm-12:25 pm

1 stop22h 05m

$507

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

ح 3/29

7:00 am-10:42 am

2 stops29h 42m

San José Juan Santamaria Intl

ح 4/5

11:38 am-6:21 pm

1 stop28h 43m

$540

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

س 4/18

5:57 pm-11:25 am

1 stop19h 28m

San José Juan Santamaria Intl

ر 4/29

2:22 pm-11:59 pm

1 stop7h 37m

$543

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

ث 6/9

7:10 am-7:40 pm

2 stops14h 30m

San José Juan Santamaria Intl

ث 6/16

8:45 am-9:15 pm

2 stops10h 30m

$552

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

ح 6/14

6:00 am-11:50 am

1 stop7h 50m

San José Juan Santamaria Intl

س 6/20

6:00 am-7:16 pm

1 stop11h 16m

$554

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

ن 7/27

6:00 am-11:59 am

1 stop7h 59m

San José Juan Santamaria Intl

ن 8/10

6:00 am-11:41 pm

1 stop15h 41m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Showing 1-10 of 20 results
1
2

Best time to book a flight from Knoxville to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica 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 Costa Rica

What is the cheapest month to book a flight from Knoxville to Costa Rica?

Currently, April is the cheapest month in which you can book a flight from Knoxville to Costa Rica (average of $78). Flying from Knoxville to Costa Rica in March is currently the most expensive (average of $497). 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 Costa Rica

Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated فبراير 14, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Knoxville to Costa Rica to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

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.

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

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.

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

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.

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

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 Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Knoxville to Costa Rica?

    Knoxville McGhee Tyson (TYS), located 11.3 mi from the city center, is the airport you fly out of when you book flights from Knoxville to Costa Rica.

  • How long is the flight from Knoxville to Costa Rica?

    Airlines like American Airlines fly from Knoxville to Costa Rica in about 9h 19m. The time it takes to get you to your destination can typically vary by up to . The distance from Knoxville to Costa Rica is about 1744 mi.

  • Can I find deals for flights from Knoxville to Costa Rica that include hotel bookings?

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

  • How can I find direct flights from Knoxville to Costa Rica?

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

  • Can I find deals for business class flights from Knoxville to Costa Rica?

    Yes. Cheapflights offers flight deals from Knoxville to Costa Rica 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 Costa Rica?

    Currently, April is the cheapest month in which you can book a flight from Knoxville to Costa Rica (average of $78). Flying from Knoxville to Costa Rica in March is currently the most expensive (average of $497). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Knoxville to Costa Rica

Discover the top 3 airlines that operate flights from Knoxville to Costa Rica. 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 فبراير 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$456Average$638FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$484Average$641FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$491Average$698FlexibilityNo cancel feeOn-time69%

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