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$440+ Cheap flights from Knoxville (TYS) to Costa Rica

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SJO
Feb 18 — Feb 251
Tue 2/18
Tue 2/25
1 adult, Economy
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Cheap 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 February 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$440
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$748
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 Costa Rica
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Highest demand for flights based on searches. 18% potential increase in price ($164 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find 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 February 13, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/251:36 pmTYS - SJO
1 stop23h 44mMultiple Airlines
Fri 5/212:23 pmSJO - TYS
1 stop25h 40mMultiple Airlines
Deal found 2/13$440
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.
Mon 8/48:41 pmTYS - LIR
2 stops16h 39mAmerican Airlines
Tue 8/121:00 pmLIR - TYS
2 stops19h 20mAmerican Airlines
Deal found 2/13$486
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.
Thu 3/66:53 amTYS - SJO
1 stop15h 15mAmerican Airlines
Thu 3/201:57 pmSJO - TYS
1 stop8h 01mAmerican Airlines
Deal found 2/13$603
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/99:15 amTYS - SJO
1 stop12h 24mUnited Airlines
Mon 3/175:30 amSJO - TYS
1 stop16h 00mUnited Airlines
Deal found 2/13$786
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.
Thu 3/132:35 pmTYS - SJO
1 stop8h 49mDelta
Thu 3/201:21 pmSJO - TYS
1 stop8h 21mDelta
Deal found 2/13$907
This WestJet 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/217:25 pmTYS - LIR
2 stops36h 31mWestJet
Sun 5/251:25 pmLIR - TYS
2 stops32h 21mWestJet
Deal found 2/12$2,871
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/217:07 amTYS - LIR
1 stop6h 54mDelta
Sun 5/251:23 pmLIR - TYS
1 stop8h 00mDelta
Deal found 2/12$3,110

Find flights from Knoxville to Costa Rica within your budget

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 February 13, 2025.

Fly from

Knoxville

Fly to

Costa Rica

Route

Depart

Return

Price

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Tue 2/25

1:36 pm-12:20 pm

1 stop23h 44m

San José Juan Santamaria Intl

Fri 5/2

12:23 pm-4:03 pm

1 stop25h 40m

$440

KnoxvilleLiberia

TYS - LIR

TYSLIR

Knoxville McGhee Tyson

Mon 8/4

8:41 pm-11:20 am

2 stops16h 39m

Liberia

Tue 8/12

1:00 pm-10:20 am

2 stops19h 20m

$486

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Thu 3/6

6:53 am-9:08 pm

1 stop15h 15m

San José Juan Santamaria Intl

Thu 3/20

1:57 pm-11:58 pm

1 stop8h 01m

$603

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Sun 3/9

9:15 am-7:39 pm

1 stop12h 24m

San José Juan Santamaria Intl

Mon 3/17

5:30 am-11:30 pm

1 stop16h 00m

$786

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Thu 3/13

2:35 pm-9:24 pm

1 stop8h 49m

San José Juan Santamaria Intl

Thu 3/20

1:21 pm-11:42 pm

1 stop8h 21m

$907

KnoxvilleLiberia

TYS - LIR

TYSLIR

Knoxville McGhee Tyson

Wed 5/21

7:25 pm-5:56 am

2 stops36h 31m

Liberia

Sun 5/25

1:25 pm-11:46 pm

2 stops32h 21m

$2,871

KnoxvilleLiberia

TYS - LIR

TYSLIR

Knoxville McGhee Tyson

Wed 5/21

7:07 am-12:01 pm

1 stop6h 54m

Liberia

Sun 5/25

1:23 pm-11:23 pm

1 stop8h 00m

$3,110

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

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.

Travel insights for flights from Knoxville to Costa Rica

Get recent, data-driven insights about flights from Knoxville to Costa Rica including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Knoxville to Costa Rica (average of $398). Flying from Knoxville to Costa Rica in March is currently the most expensive (average of $555). 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 CR?

Find hourly flight availability from Knoxville to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 13, 2025.

When flying from Knoxville to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 in.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

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 February 13, 2025.
To help decide which airline to fly from Knoxville to Costa Rica, see what other customers have to say about Delta, United Airlines and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,316 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,316 reviews
Delta
8.0
Very good
8,316 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,831 reviews
Delta
8.0
Very good
8,316 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,316 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet
7.2
Good
2,799 reviews
Delta
8.0
Very good
8,316 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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, September is the cheapest month in which you can book a flight from Knoxville to Costa Rica (average of $398). Flying from Knoxville to Costa Rica in March is currently the most expensive (average of $555). 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

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Alternative routes for Knoxville to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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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 February 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$420Average$734FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$432Average$666FlexibilityNo cancel feeOn-time71%
DeltaCheapest$442Average$726FlexibilityNo cancel feeOn-timeN/A
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