$364+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SJO
Nov 3 — Nov 101
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Costa Rica with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Knoxville to Costa Rica
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Best
Last-minute
One-way
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 October 4, 2026.
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 October 4, 2026.
This American Airlines deal was found by Cheapflights users on 10/3. 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 11/305:30 am -
1 stop10h 01m
Sat 12/51:35 pm -
1 stop9h 30m
Deal found 10/3![American Airlines logo]()
$628
This American Airlines deal was found by Cheapflights users on 9/30. 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 11/126:00 am -
1 stop7h 33m
Mon 11/161:33 pm -
1 stop9h 26m
Deal found 9/30![American Airlines logo]()
$698
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Fri 11/136:50 am -
1 stop7h 56m
Fri 11/202:07 pm -
1 stop17h 42m
Deal found 9/29![American Airlines logo]()
$713
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 11/35:19 pm -
2 stops21h 58m
Tue 11/101:33 pm -
1 stop7h 28m
Deal found 9/29![American Airlines logo]()
$717
This American Airlines deal was found by Cheapflights users on 9/30. 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 11/237:22 pm -
1 stop20h 29m
Sun 11/2912:37 am -
1 stop12h 27m
Deal found 9/30![American Airlines logo]()
$771
This American Airlines deal was found by Cheapflights users on 10/3. 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.
Wed 10/76:00 am -
1 stop8h 00m
Thu 10/156:00 am -
1 stop14h 59m
Deal found 10/3![American Airlines logo]()
$797
This Kiwi.com deal was found by Cheapflights users on 10/3. 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 10/710:28 am -
1 stop6h 43m
Thu 10/151:15 pm -
2 stops32h 24m
Deal found 10/3![Multiple Airlines logo]()
$823
This United Airlines deal was found by Cheapflights users on 9/29. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:45 am -
1 stop8h 15m
Wed 11/1111:28 pm -
1 stop10h 16m
Deal found 9/29![United Airlines logo]()
$913
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Sat 10/35:35 pm -
1 stop22h 22m
Mon 10/53:01 pm -
2 stops19h 07m
Deal found 9/29![American Airlines logo]()
$920
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Sat 10/35:35 pm -
1 stop22h 22m
Sun 10/113:01 pm -
2 stops17h 32m
Deal found 9/29![American Airlines logo]()
$925
Best flights from Knoxville to Costa RicaDiscover 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 October 4, 2026.
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 October 4, 2026.
This American Airlines deal was found by Cheapflights users on 10/1. 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.
Tue 2/165:00 am -
1 stop8h 32m
Wed 2/241:26 pm -
1 stop9h 33m
Deal found 10/1![American Airlines logo]()
$609
This United Airlines deal was found by Cheapflights users on 10/1. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/76:40 am -
2 stops12h 57m
Thu 2/188:45 am -
2 stops14h 14m
Deal found 10/1![United Airlines logo]()
$641
This American Airlines deal was found by Cheapflights users on 10/3. 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 11/305:30 am -
1 stop10h 01m
Sat 12/53:24 pm -
2 stops18h 27m
Deal found 10/3![American Airlines logo]()
$632
This United Airlines deal was found by Cheapflights users on 10/2. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1712:00 pm -
1 stop7h 16m
Wed 3/31:25 pm -
1 stop19h 09m
Deal found 10/2![United Airlines logo]()
$739
This American Airlines deal was found by Cheapflights users on 9/29. 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 11/128:04 pm -
2 stops17h 29m
Mon 11/163:17 pm -
2 stops18h 44m
Deal found 9/29![American Airlines logo]()
$703
This United Airlines deal was found by Cheapflights users on 9/30. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2112:00 pm -
1 stop7h 16m
Sat 1/231:15 am -
1 stop8h 47m
Deal found 9/30![United Airlines logo]()
$747
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Tue 11/38:52 pm -
2 stops18h 25m
Tue 11/101:33 pm -
1 stop7h 28m
Deal found 9/30![American Airlines logo]()
$740
This United Airlines deal was found by Cheapflights users on 9/29. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/165:45 pm -
2 stops20h 37m
Wed 2/241:25 pm -
2 stops24h 25m
Deal found 9/29![United Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 10/1. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/77:35 pm -
2 stops18h 35m
Tue 2/168:45 am -
2 stops24h 24m
Deal found 10/1![United Airlines logo]()
$771
This United Airlines deal was found by Cheapflights users on 10/1. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/77:35 pm -
2 stops18h 35m
Fri 2/198:45 am -
1 stop11h 53m
Deal found 10/1![United Airlines logo]()
$771
This American Airlines deal was found by Cheapflights users on 9/29. 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 12/215:15 am -
1 stop6h 20m
Sun 12/276:22 am -
1 stop17h 17m
Deal found 9/29![American Airlines logo]()
$913
This United Airlines deal was found by Cheapflights users on 10/1. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/67:00 am -
1 stop7h 10m
Tue 2/168:45 am -
2 stops24h 24m
Deal found 10/1![United Airlines logo]()
$802
This United Airlines deal was found by Cheapflights users on 10/2. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/176:15 am -
1 stop14h 38m
Mon 3/111:28 pm -
2 stops16h 20m
Deal found 10/2![United Airlines logo]()
$833
This United Airlines deal was found by Cheapflights users on 10/2. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/156:15 am -
1 stop14h 38m
Tue 3/28:45 am -
2 stops14h 14m
Deal found 10/2![United Airlines logo]()
$855
This United Airlines deal was found by Cheapflights users on 10/2. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:45 am -
1 stop8h 15m
Wed 11/1111:28 pm -
1 stop10h 16m
Deal found 10/2![United Airlines logo]()
$914
Last-minute flights from Knoxville to Costa RicaDiscover last-minute flight deals from Knoxville to Costa Rica. Data last updated October 4, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Costa Rica. Data last updated October 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Sat 10/35:35 pm -
1 stop22h 22m
Mon 10/53:01 pm -
2 stops19h 07m
Deal found 9/29![American Airlines logo]()
$920
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Sat 10/35:35 pm -
1 stop22h 22m
Sun 10/113:01 pm -
2 stops17h 32m
Deal found 9/29![American Airlines logo]()
$925
This American Airlines deal was found by Cheapflights users on 10/3. 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.
Wed 10/76:00 am -
1 stop8h 00m
Thu 10/156:00 am -
1 stop14h 59m
Deal found 10/3![American Airlines logo]()
$797
This Kiwi.com deal was found by Cheapflights users on 10/3. 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 10/710:28 am -
1 stop6h 43m
Thu 10/151:15 pm -
2 stops32h 24m
Deal found 10/3![Multiple Airlines logo]()
$823
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 11/35:19 pm -
2 stops21h 58m
Tue 11/101:33 pm -
2 stops20h 28m
Deal found 9/29![American Airlines logo]()
$717
This United Airlines deal was found by Cheapflights users on 9/29. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:45 am -
1 stop8h 15m
Wed 11/1111:28 pm -
1 stop10h 16m
Deal found 9/29![United Airlines logo]()
$913
This American Airlines deal was found by Cheapflights users on 9/30. 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 11/126:00 am -
1 stop7h 33m
Mon 11/161:33 pm -
1 stop9h 26m
Deal found 9/30![American Airlines logo]()
$698
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Fri 11/136:50 am -
1 stop7h 56m
Fri 11/202:07 pm -
1 stop17h 42m
Deal found 9/29![American Airlines logo]()
$713
This American Airlines deal was found by Cheapflights users on 9/30. 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 11/237:22 pm -
1 stop20h 29m
Sun 11/2912:37 am -
1 stop12h 27m
Deal found 9/30![American Airlines logo]()
$771
This American Airlines deal was found by Cheapflights users on 10/3. 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 11/305:30 am -
1 stop10h 01m
Sat 12/51:35 pm -
1 stop9h 30m
Deal found 10/3![American Airlines logo]()
$628
One-way flights from Knoxville to Costa RicaSearch for one-way flight options from Knoxville to Costa Rica. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
Search for one-way flight options from Knoxville to Costa Rica. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
This United Airlines deal was found by Cheapflights users on 10/2. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/156:15 am -
1 stop14h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![United Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 2/155:04 pm -
2 stops44h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$411
This deal was found by Cheapflights users on 9/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:40 am -
1 stop8h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Delta logo]()
$468
This deal was found by Cheapflights users on 9/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:00 am -
1 stop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![American Airlines logo]()
$503
This deal was found by Cheapflights users on 9/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
1 stop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![American Airlines logo]()
$530
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 October 4, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $608 (American Airlines) |
One-way from | $364 (United Airlines) |
Popular in | July |
Cheapest in | September |
Average price | $704 |
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 7,457,451 searches. Data last updated October 4, 2026.
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
Cheapest round-trip
KnoxvilleSan José
TYS Knoxville McGhee Tyson - SJO San José Juan Santamaria Intl
TYSSJO
Knoxville McGhee Tyson
Mon 2/15
6:15 am-7:53 pm
1 stop14h 38m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$364
KnoxvilleSan José
TYS Knoxville McGhee Tyson - SJO San José Juan Santamaria Intl
TYSSJO
Knoxville McGhee Tyson
Mon 2/15
5:04 pm-12:49 pm
2 stops44h 45m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$411
Quickest round-trip
KnoxvilleSan José
TYS Knoxville McGhee Tyson - SJO San José Juan Santamaria Intl
TYSSJO
Knoxville McGhee Tyson
Mon 10/26
6:00 am-12:00 pm
1 stop8h 00m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$503
KnoxvilleSan José
TYS Knoxville McGhee Tyson - SJO San José Juan Santamaria Intl
TYSSJO
Knoxville McGhee Tyson
Tue 10/27
6:00 am-12:00 pm
1 stop8h 00m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$503
KnoxvilleSan José
TYS Knoxville McGhee Tyson - SJO San José Juan Santamaria Intl
TYSSJO
Knoxville McGhee Tyson
Fri 10/23
6:00 am-12:00 pm
1 stop8h 00m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$530
KnoxvilleSan José
TYS Knoxville McGhee Tyson - SJO San José Juan Santamaria Intl
TYSSJO
Knoxville McGhee Tyson
Sat 10/24
6:00 am-12:00 pm
1 stop8h 00m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$530
KnoxvilleSan José
TYS Knoxville McGhee Tyson - SJO San José Juan Santamaria Intl
TYSSJO
Knoxville McGhee Tyson
Tue 2/16
5:00 am-12:32 pm
1 stop8h 32m
San José Juan Santamaria Intl
Wed 2/24
1:26 pm-11:59 pm
1 stop9h 33m
$609
KnoxvilleLiberia
TYS Knoxville McGhee Tyson - LIR Liberia
TYSLIR
Knoxville McGhee Tyson
Mon 11/30
5:30 am-2:31 pm
1 stop10h 01m
Liberia
Sat 12/5
3:24 pm-10:51 am
2 stops18h 27m
$632
KnoxvilleLiberia
TYS Knoxville McGhee Tyson - LIR Liberia
TYSLIR
Knoxville McGhee Tyson
Sun 2/7
6:40 am-6:37 pm
2 stops12h 57m
Liberia
Thu 2/18
8:45 am-11:59 pm
2 stops14h 14m
$641
KnoxvilleLiberia
TYS Knoxville McGhee Tyson - LIR Liberia
TYSLIR
Knoxville McGhee Tyson
Thu 11/12
8:04 pm-12:33 pm
2 stops17h 29m
Liberia
Mon 11/16
3:17 pm-11:01 am
2 stops18h 44m
$703
Showing 1-10 of 21 resultsSorted by cheapest first
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.
TYS-LIR
TYS-SJO
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
TYS-CR0
TYS-LIR
TYS-SJO
What is the cheapest month to book a flight from Knoxville to Costa Rica?
Currently, February is the cheapest month in which you can book a flight from Knoxville to Costa Rica (average of $665). Flying from Knoxville to Costa Rica in November is currently the most expensive (average of $904). 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 October 4, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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
Crew
8.5
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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.
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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.
Complete your trip
Complete your trip to Costa Rica by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Knoxville to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Knoxville and Costa Rica flights
Browse other Knoxville and Costa Rica flight options. Last updated on October 4, 2026.
Popular flight searches
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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 7,457,451 searches. Data last updated October 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$324 | Average$755 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$500 | Average$734 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$618 | Average$772 | FlexibilityNo cancel fee | On-time69% |