$362+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SJO
May 5 — May 121
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Costa Rica with Cheapflights
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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
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Best
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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 April 5, 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 April 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Wed 6/31:02 pm
TYS
- SJO
1 stop24h 43m
Multiple Airlines
Mon 6/89:35 am
SJO
- TYS
1 stop12h 04m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Thu 4/309:25 pm
TYS
- SJO
1 stop16h 08m
Multiple Airlines
Thu 5/71:00 pm
SJO
- TYS
1 stop21h 25m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Thu 6/119:20 pm
TYS
- SJO
1 stop16h 25m
Multiple Airlines
Mon 6/159:35 am
SJO
- TYS
1 stop11h 59m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Thu 5/79:40 pm
TYS
- SJO
1 stop16h 05m
Multiple Airlines
Thu 5/141:00 pm
SJO
- TYS
1 stop21h 25m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Thu 6/49:20 pm
TYS
- SJO
1 stop16h 25m
Multiple Airlines
Mon 6/89:35 am
SJO
- TYS
1 stop12h 04m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Fri 4/245:39 pm
TYS
- SJO
2 stops43h 54m
Multiple Airlines
Fri 5/81:00 pm
SJO
- TYS
1 stop20h 06m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 6/101:02 pm
TYS
- SJO
1 stop24h 43m
Multiple Airlines
Sun 6/219:35 am
SJO
- TYS
1 stop11h 12m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 4/4. 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 10/288:26 am
TYS
- LIR
2 stops11h 11m
United Airlines
Tue 11/32:20 pm
LIR
- TYS
1 stop7h 59m
United Airlines
Deal found 4/4![United Airlines logo]()
$628
This American Airlines deal was found by Cheapflights users on 4/4. 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 10/56:30 pm
TYS
- LIR
2 stops18h 35m
American Airlines
Fri 10/91:15 pm
LIR
- TYS
2 stops17h 07m
American Airlines
Deal found 4/4![American Airlines logo]()
$633
This Delta deal was found by Cheapflights users on 4/4. 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.
Tue 10/65:30 am
TYS
- LIR
1 stop8h 30m
Delta
Fri 10/91:25 pm
LIR
- TYS
1 stop8h 21m
Delta
Deal found 4/4![Delta logo]()
$637
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 7/86:00 am
TYS
- LIR
1 stop7h 22m
American Airlines
Wed 7/1512:35 pm
LIR
- TYS
2 stops20h 03m
American Airlines
Deal found 4/1![American Airlines logo]()
$638
This American Airlines deal was found by Cheapflights users on 4/4. 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 10/31:40 pm
TYS
- LIR
1 stop26h 05m
American Airlines
Fri 10/91:15 pm
LIR
- TYS
2 stops21h 12m
American Airlines
Deal found 4/4![American Airlines logo]()
$644
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 April 5, 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 April 5, 2026.
This Southwest deal was found by Cheapflights users on 4/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:00 am
TYS
- SJO
2 stops12h 40m
Southwest
Thu 10/19:00 am
SJO
- TYS
2 stops10h 55m
Southwest
Deal found 4/3![Southwest logo]()
$566
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Sun 5/173:55 pm
TYS
- SJO
1 stop21h 50m
Multiple Airlines
Sun 5/241:00 pm
SJO
- TYS
1 stop27h 34m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$569
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:30 am
TYS
- SJO
1 stop8h 24m
Delta
Thu 10/11:25 pm
SJO
- TYS
1 stop8h 22m
Delta
Deal found 4/3![Delta logo]()
$608
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
TYS
- SJO
1 stop7h 50m
American Airlines
Tue 6/23:08 pm
SJO
- TYS
2 stops17h 28m
American Airlines
Deal found 4/2![American Airlines logo]()
$613
This United Airlines deal was found by Cheapflights users on 3/31. 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 7/26:30 am
TYS
- SJO
2 stops18h 09m
United Airlines
Thu 7/1611:13 am
SJO
- TYS
2 stops20h 20m
United Airlines
Deal found 3/31![United Airlines logo]()
$755
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Sun 6/146:00 am
TYS
- SJO
1 stop15h 24m
American Airlines
Sat 6/2011:59 pm
SJO
- TYS
1 stop11h 04m
American Airlines
Deal found 4/1![American Airlines logo]()
$634
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:29 am
TYS
- LIR
1 stop6h 31m
Delta
Tue 5/121:25 pm
LIR
- TYS
1 stop8h 31m
Delta
Deal found 4/2![Delta logo]()
$706
This American Airlines deal was found by Cheapflights users on 4/4. 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 7/106:00 am
TYS
- SJO
1 stop15h 26m
American Airlines
Mon 7/136:00 am
SJO
- TYS
1 stop15h 59m
American Airlines
Deal found 4/4![American Airlines logo]()
$652
This American Airlines deal was found by Cheapflights users on 4/4. 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 6/236:00 am
TYS
- LIR
1 stop7h 22m
American Airlines
Sat 6/272:45 pm
LIR
- TYS
2 stops17h 51m
American Airlines
Deal found 4/4![American Airlines logo]()
$681
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 7/15:00 am
TYS
- LIR
1 stop8h 35m
American Airlines
Wed 7/82:47 pm
LIR
- TYS
1 stop7h 12m
American Airlines
Deal found 4/1![American Airlines logo]()
$683
This American Airlines deal was found by Cheapflights users on 3/31. 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 5/237:49 pm
TYS
- LIR
1 stop19h 29m
American Airlines
Fri 5/293:37 pm
LIR
- TYS
1 stop17h 36m
American Airlines
Deal found 3/31![American Airlines logo]()
$685
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:07 pm
TYS
- LIR
2 stops19h 15m
American Airlines
Fri 6/512:35 pm
LIR
- TYS
2 stops20h 01m
American Airlines
Deal found 4/2![American Airlines logo]()
$701
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:30 am
TYS
- LIR
1 stop6h 54m
American Airlines
Mon 5/42:10 pm
LIR
- TYS
1 stop18h 16m
American Airlines
Deal found 4/2![American Airlines logo]()
$732
Last-minute flights from Knoxville to Costa RicaDiscover last-minute flight deals from Knoxville to Costa Rica. Data last updated April 5, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Costa Rica. Data last updated April 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Wed 4/84:25 pm
TYS
- SJO
1 stop20h 49m
Multiple Airlines
Tue 4/147:45 pm
SJO
- TYS
2 stops41h 56m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$472
This American Airlines deal was found by Cheapflights users on 3/31. 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 4/188:48 pm
TYS
- LIR
2 stops18h 22m
American Airlines
Wed 4/2912:27 pm
LIR
- TYS
1 stop9h 32m
American Airlines
Deal found 3/31![American Airlines logo]()
$754
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Fri 4/245:39 pm
TYS
- SJO
2 stops43h 54m
Multiple Airlines
Fri 5/81:00 pm
SJO
- TYS
1 stop20h 06m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$422
This American Airlines deal was found by Cheapflights users on 3/31. 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 4/276:00 am
TYS
- LIR
1 stop9h 40m
American Airlines
Mon 5/42:10 pm
LIR
- TYS
1 stop18h 16m
American Airlines
Deal found 3/31![American Airlines logo]()
$732
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Thu 4/309:25 pm
TYS
- SJO
1 stop16h 08m
Multiple Airlines
Thu 5/71:00 pm
SJO
- TYS
1 stop21h 25m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 4/4. 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 5/26:54 pm
TYS
- LIR
2 stops18h 30m
American Airlines
Sat 5/92:10 pm
LIR
- TYS
1 stop18h 12m
American Airlines
Deal found 4/4![American Airlines logo]()
$734
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:48 pm
TYS
- LIR
2 stops16h 36m
American Airlines
Tue 5/122:40 pm
LIR
- TYS
2 stops18h 35m
American Airlines
Deal found 4/2![American Airlines logo]()
$711
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Thu 5/79:40 pm
TYS
- SJO
1 stop16h 05m
Multiple Airlines
Thu 5/141:00 pm
SJO
- TYS
1 stop21h 25m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$396
This American Airlines deal was found by Cheapflights users on 4/4. 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 5/196:38 pm
TYS
- LIR
2 stops18h 46m
American Airlines
Tue 5/2612:35 pm
LIR
- TYS
2 stops20h 24m
American Airlines
Deal found 4/4![American Airlines logo]()
$706
This American Airlines deal was found by Cheapflights users on 3/31. 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 5/226:07 pm
TYS
- LIR
2 stops19h 15m
American Airlines
Fri 6/52:19 pm
LIR
- TYS
2 stops18h 17m
American Airlines
Deal found 3/31![American Airlines logo]()
$701
This American Airlines deal was found by Cheapflights users on 3/31. 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 5/237:59 pm
TYS
- LIR
2 stops19h 19m
American Airlines
Fri 5/292:45 pm
LIR
- TYS
2 stops19h 41m
American Airlines
Deal found 3/31![American Airlines logo]()
$676
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Thu 5/289:19 pm
TYS
- SJO
1 stop16h 26m
Multiple Airlines
Tue 6/25:48 pm
SJO
- TYS
2 stops41h 13m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$466
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 April 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $362 (Kiwi.com) |
Popular in | December |
Cheapest in | November |
Average price | $603 |
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 April 5, 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 - SJO
TYSSJO
Knoxville McGhee Tyson
Tue 9/15
8:00 am-6:40 pm
2 stops12h 40m
San José Juan Santamaria Intl
Thu 10/1
9:00 am-9:55 pm
2 stops10h 55m
$566
KnoxvilleSan José
TYS - SJO
TYSSJO
Knoxville McGhee Tyson
Sun 5/17
3:55 pm-11:45 am
1 stop21h 50m
San José Juan Santamaria Intl
Sun 5/24
1:00 pm-6:34 pm
1 stop27h 34m
$569
KnoxvilleSan José
TYS - SJO
TYSSJO
Knoxville McGhee Tyson
Tue 9/15
5:30 am-11:54 am
1 stop8h 24m
San José Juan Santamaria Intl
Thu 10/1
1:25 pm-11:47 pm
1 stop8h 22m
$608
KnoxvilleSan José
TYS - SJO
TYSSJO
Knoxville McGhee Tyson
Tue 5/26
6:00 am-11:50 am
1 stop7h 50m
San José Juan Santamaria Intl
Tue 6/2
3:08 pm-10:36 am
2 stops17h 28m
$613
KnoxvilleSan José
TYS - SJO
TYSSJO
Knoxville McGhee Tyson
Sun 6/14
6:00 am-7:24 pm
1 stop15h 24m
San José Juan Santamaria Intl
Sat 6/20
11:59 pm-1:03 pm
1 stop11h 04m
$634
KnoxvilleSan José
TYS - SJO
TYSSJO
Knoxville McGhee Tyson
Fri 7/10
6:00 am-7:26 pm
1 stop15h 26m
San José Juan Santamaria Intl
Mon 7/13
6:00 am-11:59 pm
1 stop15h 59m
$652
KnoxvilleLiberia
TYS - LIR
TYSLIR
Knoxville McGhee Tyson
Tue 6/23
6:00 am-11:22 am
1 stop7h 22m
Liberia
Sat 6/27
2:45 pm-10:36 am
2 stops17h 51m
$681
KnoxvilleLiberia
TYS - LIR
TYSLIR
Knoxville McGhee Tyson
Wed 7/1
5:00 am-11:35 am
1 stop8h 35m
Liberia
Wed 7/8
2:47 pm-11:59 pm
1 stop7h 12m
$683
KnoxvilleLiberia
TYS - LIR
TYSLIR
Knoxville McGhee Tyson
Sat 5/23
7:49 pm-1:18 pm
1 stop19h 29m
Liberia
Fri 5/29
3:37 pm-11:13 am
1 stop17h 36m
$685
KnoxvilleLiberia
TYS - LIR
TYSLIR
Knoxville McGhee Tyson
Fri 5/22
6:07 pm-11:22 am
2 stops19h 15m
Liberia
Fri 6/5
12:35 pm-10:36 am
2 stops20h 01m
$701
Showing 1-10 of 13 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-SJO
TYS-LIR
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-SJO
TYS-LIR
What is the cheapest month to book a flight from Knoxville to Costa Rica?
Currently, October is the cheapest month in which you can book a flight from Knoxville to Costa Rica (average of $188). Flying from Knoxville to Costa Rica in February is currently the most expensive (average of $493). 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 April 5, 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.
Food
7.2
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Overall
7.9
Comfort
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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Knoxville and Costa Rica flights
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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 April 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$481 | Average$658 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$536 | Average$638 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$572 | Average$710 | FlexibilityNo cancel fee | On-time69% |