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.

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).

What are the most popular airlines that fly from Knoxville to Costa Rica?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Knoxville to Costa Rica.

How far in advance should I book a flight from Knoxville to Costa Rica?

Find a great deal and save up to 355% by booking at least 55 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Knoxville to Costa Rica within the next two weeks, with the cheapest ticket starting at $510.

What is the cheapest month to fly from Knoxville to Costa Rica?

August is one of the best times of the year to fly to Costa Rica from Knoxville. Prices for August average $688 per person but you can even find prices for as low as $474. The most expensive prices can be found in the month of December. Opting for a August flight can save you 65% on your journey compared to booking in December

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.

$586+ Flights from Knoxville to Costa Rica

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Cheap flight deals from Knoxville to Costa Rica

Round-trip from	$381 (Kiwi.com)
One-way from	$182 (Mytrip)
Popular in	December
Cheapest in	August
Average price	$680

From Knoxville McGhee Tyson to Costa Rica

Search Deals

One-way flight from Knoxville McGhee Tyson to Costa Rica

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($127 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($41 potential savings vs. average RT price).

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Average for round-trip flights in June 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 June 30, 2025.

Mon 7/2110:05 pmTYS - SJO

2 stops15h 06mMultiple Airlines

Thu 7/245:10 pmSJO - TYS

1 stop21h 37mMultiple Airlines

Deal found 6/29

$381

Wed 10/295:30 amTYS - SJO

1 stop8h 18mDelta

Thu 11/132:17 pmSJO - TYS

1 stop8h 29mDelta

Deal found 6/28

$474

Tue 9/98:23 amTYS - SJO

2 stops11h 34mAmerican Airlines

Wed 9/246:00 amSJO - TYS

1 stop15h 50mAmerican Airlines

Deal found 6/29

$478

Sat 11/17:20 pmTYS - SJO

2 stops14h 15mAvianca

Mon 11/174:40 pmSJO - TYS

2 stops17h 08mAvianca

Deal found 6/28

$548

Wed 8/135:30 amTYS - LIR

1 stop9h 29mAmerican Airlines

Wed 8/202:00 pmLIR - TYS

1 stop8h 19mAmerican Airlines

Deal found 6/28

$565

Best flights from Knoxville to Costa Rica
Discover carefully curated flight deals from Knoxville to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 30, 2025.

Mon 7/2110:05 pmTYS - SJO

2 stops15h 06mMultiple Airlines

Thu 7/245:10 pmSJO - TYS

1 stop21h 37mMultiple Airlines

Deal found 6/29

$381

Wed 10/295:30 amTYS - SJO

1 stop8h 18mDelta

Thu 11/132:17 pmSJO - TYS

1 stop8h 29mDelta

Deal found 6/28

$474

Tue 9/98:23 amTYS - SJO

2 stops11h 34mAmerican Airlines

Wed 9/246:00 amSJO - TYS

1 stop15h 50mAmerican Airlines

Deal found 6/29

$478

Sat 11/17:20 pmTYS - SJO

2 stops14h 15mAvianca

Mon 11/174:40 pmSJO - TYS

2 stops17h 08mAvianca

Deal found 6/28

$548

Tue 11/47:00 amTYS - SJO

1 stop7h 15mUnited Airlines

Fri 11/1412:35 pmSJO - TYS

1 stop23h 44mUnited Airlines

Deal found 6/28

$574

Wed 8/135:30 amTYS - LIR

1 stop9h 29mAmerican Airlines

Wed 8/202:00 pmLIR - TYS

1 stop8h 19mAmerican Airlines

Deal found 6/28

$565

Last-minute flights from Knoxville to Costa Rica
Discover last-minute flight deals from Knoxville to Costa Rica. Data last updated June 30, 2025 and is based on user searches.

Wed 7/22:32 pmTYS - LIR

2 stops41h 54mWestJet

Fri 7/117:25 amLIR - TYS

2 stops32h 07mWestJet

Deal found 6/29

$1,412

Fri 7/49:55 amTYS - LIR

2 stops28h 05mAir Canada

Sat 7/121:00 pmLIR - TYS

2 stops29h 57mAir Canada

Deal found 6/29

$1,832

Sat 7/57:05 pmTYS - SJO

1 stop18h 35mAmerican Airlines

Sat 7/1211:59 pmSJO - TYS

1 stop9h 42mAmerican Airlines

Deal found 6/28

$502

Sun 7/69:35 amTYS - LIR

1 stop6h 48mUnited Airlines

Wed 7/91:20 pmLIR - TYS

1 stop8h 07mUnited Airlines

Deal found 6/29

$867

Sun 7/610:45 amTYS - LIR

2 stops27h 39mWestJet

Fri 7/117:25 amLIR - TYS

2 stops32h 07mWestJet

Deal found 6/29

$1,559

Mon 7/712:45 pmTYS - SJO

1 stop16h 50mMultiple Airlines

Thu 7/105:00 pmSJO - TYS

2 stops21h 47mMultiple Airlines

Deal found 6/29

$462

Tue 7/86:00 amTYS - LIR

1 stop10h 45mAmerican Airlines

Tue 7/153:45 pmLIR - TYS

1 stop17h 56mAmerican Airlines

Deal found 6/29

$719

Tue 7/85:45 amTYS - SJO

1 stop23h 50mAvianca

Thu 7/101:40 amSJO - TYS

2 stops18h 57mAvianca

Deal found 6/29

$1,366

Mon 7/2110:05 pmTYS - SJO

2 stops15h 06mMultiple Airlines

Thu 7/245:10 pmSJO - TYS

1 stop21h 37mMultiple Airlines

Deal found 6/29

$381

Thu 7/315:45 amTYS - SJO

1 stop23h 50mAvianca

Tue 8/51:55 amSJO - TYS

2 stops18h 40mAvianca

Deal found 6/29

$839

One-way flights from Knoxville to Costa Rica
Search for one-way flight options from Knoxville to Costa Rica. Find affordable one-way fares based on user searches. Data last updated June 30, 2025.

Sat 8/98:46 pmTYS - SJO

1 stop16h 25mMultiple Airlines

Deal found 6/28

$182

Tue 7/87:35 pmTYS - SJO

1 stop10h 00mAvianca

Deal found 6/29

$249

Mon 12/157:01 amTYS - LIR

1 stop6h 19mAmerican Airlines

Deal found 6/28

$275

Sun 8/107:00 amTYS - SJO

1 stop6h 55mAmerican Airlines

Deal found 6/28

$284

Mon 12/151:05 pmTYS - LIR

3 stops25h 57mMultiple Airlines

Deal found 6/28

$468

Cheapflights Fare Finder

Use the filters below to find and compare flights from Knoxville to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Mon 7/21

10:05 pm-11:11 am

2 stops15h 06m

San José Juan Santamaria Intl

Thu 7/24

5:10 pm-4:47 pm

1 stop21h 37m

$381

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Wed 10/29

5:30 am-11:48 am

1 stop8h 18m

San José Juan Santamaria Intl

Thu 11/13

2:17 pm-11:46 pm

1 stop8h 29m

$474

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Tue 9/9

8:23 am-5:57 pm

2 stops11h 34m

San José Juan Santamaria Intl

Wed 9/24

6:00 am-11:50 pm

1 stop15h 50m

$478

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Sat 11/1

7:20 pm-7:35 am

2 stops14h 15m

San José Juan Santamaria Intl

Mon 11/17

4:40 pm-10:48 am

2 stops17h 08m

$548

KnoxvilleLiberia

TYS - LIR

TYSLIR

Knoxville McGhee Tyson

Wed 8/13

5:30 am-12:59 pm

1 stop9h 29m

Liberia

Wed 8/20

2:00 pm-12:19 am

1 stop8h 19m

$565

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Tue 11/4

7:00 am-1:15 pm

1 stop7h 15m

San José Juan Santamaria Intl

Fri 11/14

12:35 pm-1:19 pm

1 stop23h 44m

$574

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Sat 8/9

8:46 pm-11:11 am

1 stop16h 25m

$182

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Tue 7/8

7:35 pm-3:35 am

1 stop10h 00m

$249

KnoxvilleLiberia

TYS - LIR

TYSLIR

Knoxville McGhee Tyson

Mon 12/15

7:01 am-12:20 pm

1 stop6h 19m

$275

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Sun 8/10

7:00 am-11:55 am

1 stop6h 55m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 11 results

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, 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?

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.

Reviews of airlines servicing Costa Rica

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.

Delta

8.0

Very good

7,969 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,969 reviews

Delta

8.0

Very good

7,969 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,852 reviews

Delta

8.0

Very good

7,969 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,969 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Avianca

6.7

Okay

2,359 reviews

Delta

8.0

Very good

7,969 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Knoxville to Costa Rica

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$463	Average$659	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$465	Average$639	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$570	Average$812	FlexibilityNo cancel fee	On-time69%

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$182+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Knoxville to Costa Rica with Cheapflights

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3. Compare prices and book

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 June 30, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Knoxville to Costa Rica

Cheapest flights from Knoxville to Costa RicaExplore 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 June 30, 2025.

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 June 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Knoxville to Costa Rica that are best for you.

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.

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?

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 June 30, 2025.

Reviews of airlines servicing Costa Rica

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.

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?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Knoxville to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Knoxville to Costa Rica

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Travel Smart

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 June 30, 2025.