$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
1 adult, Economy
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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 فبراير 14, 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 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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$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![American Airlines logo]()
$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![American Airlines logo]()
$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![American Airlines logo]()
$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![Delta logo]()
$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![American Airlines logo]()
$591
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 فبراير 14, 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 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.
ح 4/123:51 pm
TYS
- SJO
1 stop21h 23m
Multiple Airlines
ج 4/2412:20 pm
SJO
- TYS
1 stop21h 46m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$460
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.
س 4/185:57 pm
TYS
- SJO
1 stop19h 28m
American Airlines
ر 4/292:22 pm
SJO
- TYS
1 stop7h 37m
American Airlines
Deal found 2/12![American Airlines logo]()
$543
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ث 6/97:10 am
TYS
- SJO
2 stops14h 30m
Southwest
ث 6/168:45 am
SJO
- TYS
2 stops10h 30m
Southwest
Deal found 2/12![Southwest logo]()
$552
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![Delta logo]()
$586
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.
ج 4/101:15 pm
TYS
- SJO
1 stop23h 27m
Multiple Airlines
ج 4/2412:20 pm
SJO
- TYS
1 stop21h 46m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$467
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.
ث 4/143:48 pm
TYS
- SJO
2 stops21h 27m
Multiple Airlines
ر 4/2912:20 pm
SJO
- TYS
1 stop24h 30m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 2/11. 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.
ح 6/146:00 am
TYS
- SJO
1 stop7h 50m
American Airlines
س 6/206:00 am
SJO
- TYS
1 stop11h 16m
American Airlines
Deal found 2/11![American Airlines logo]()
$554
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
س 4/2512:20 pm
SJO
- TYS
1 stop24h 25m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$503
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.
ن 7/276:00 am
TYS
- SJO
1 stop7h 59m
American Airlines
ن 8/106:00 am
SJO
- TYS
1 stop15h 41m
American Airlines
Deal found 2/10![American Airlines logo]()
$554
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.
ج 4/101:15 pm
TYS
- SJO
1 stop23h 27m
Multiple Airlines
ح 4/2612:20 pm
SJO
- TYS
1 stop22h 05m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$507
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.
ث 6/166:00 am
TYS
- LIR
1 stop9h 19m
American Airlines
خ 6/2512:35 pm
LIR
- TYS
1 stop9h 24m
American Airlines
Deal found 2/10![American Airlines logo]()
$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 5/196:15 am
TYS
- LIR
1 stop7h 09m
American Airlines
ث 6/22:47 pm
LIR
- TYS
2 stops17h 49m
American Airlines
Deal found 2/12![American Airlines logo]()
$573
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ح 3/297:00 am
TYS
- SJO
2 stops29h 42m
Multiple Airlines
ح 4/511:38 am
SJO
- TYS
1 stop28h 43m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$540
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![American Airlines logo]()
$582
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 5/125:00 am
TYS
- LIR
2 stops10h 10m
American Airlines
خ 5/212:47 pm
LIR
- TYS
2 stops17h 49m
American Airlines
Deal found 2/12![American Airlines logo]()
$582
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
2 stops15h 52m
American Airlines
Deal found 2/10![American Airlines logo]()
$591
Last-minute flights from Knoxville to Costa RicaDiscover last-minute flight deals from Knoxville to Costa Rica. Data last updated فبراير 14, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Costa Rica. Data last updated فبراير 14, 2026 and is based on user searches.
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.
خ 2/1912:21 pm
TYS
- SJO
1 stop11h 22m
American Airlines
ن 2/232:55 pm
SJO
- TYS
1 stop8h 33m
American Airlines
Deal found 2/12![American Airlines logo]()
$561
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.
ج 2/279:36 pm
TYS
- SJO
1 stop15h 46m
Multiple Airlines
ن 3/212:35 pm
SJO
- TYS
2 stops44h 35m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$475
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.
ث 3/1011:55 am
TYS
- LIR
2 stops26h 35m
Delta
ث 3/172:05 pm
LIR
- TYS
1 stop7h 52m
Delta
Deal found 2/13![Delta logo]()
$637
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.
ر 3/115:40 am
TYS
- LIR
1 stop8h 10m
Delta
ث 3/171:05 pm
LIR
- TYS
1 stop8h 52m
Delta
Deal found 2/13![Delta logo]()
$632
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.
ر 3/115:40 am
TYS
- LIR
1 stop8h 10m
Delta
ر 3/182:05 pm
LIR
- TYS
1 stop7h 52m
Delta
Deal found 2/13![Delta logo]()
$713
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.
خ 3/1210:04 am
TYS
- SJO
1 stop13h 11m
Delta
ر 3/257:00 am
SJO
- TYS
1 stop14h 57m
Delta
Deal found 2/13![Delta logo]()
$602
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.
خ 3/125:40 am
TYS
- LIR
1 stop9h 10m
Delta
ث 3/171:05 pm
LIR
- TYS
1 stop8h 52m
Delta
Deal found 2/13![Delta logo]()
$652
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.
خ 3/125:47 pm
TYS
- LIR
2 stops19h 26m
American Airlines
خ 3/1912:21 pm
LIR
- TYS
2 stops20h 59m
American Airlines
Deal found 2/13![American Airlines logo]()
$657
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 3/155:10 pm
TYS
- SJO
1 stop6h 05m
Delta
ر 3/187:00 am
SJO
- TYS
1 stop14h 57m
Delta
Deal found 2/13![Delta logo]()
$647
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.
ر 3/185:40 am
TYS
- SJO
1 stop8h 15m
Delta
ر 3/257:00 am
SJO
- TYS
1 stop14h 57m
Delta
Deal found 2/13![Delta logo]()
$584
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
س 3/289:36 pm
TYS
- SJO
1 stop15h 38m
Multiple Airlines
س 4/47:48 pm
SJO
- TYS
2 stops34h 22m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$565
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ح 3/297:00 am
TYS
- SJO
2 stops29h 42m
Multiple Airlines
ح 4/511:38 am
SJO
- TYS
1 stop28h 43m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$540
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 فبراير 14, 2026.
Search for one-way flight options from Knoxville to Costa Rica. Find affordable one-way fares based on user searches. Data last updated 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.
ح 3/87:20 am
TYS
- SJO
2 stops18h 20m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 3/99:36 pm
TYS
- SJO
1 stop15h 46m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$201
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ن 3/97:50 am
TYS
- SJO
2 stops13h 50m
Southwest
Deal found 2/13![Southwest logo]()
$313
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.
ن 3/912:21 pm
TYS
- SJO
1 stop11h 22m
American Airlines
Deal found 2/13![American Airlines logo]()
$328
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 |
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
Showing 1-10 of 20 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.
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, 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
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Food
7.2
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Food
7.2
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Food
7.2
Overall
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
Search flights from Knoxville to Costa Rica by cabin class
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 فبراير 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$456 | Average$638 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$484 | Average$641 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$491 | Average$698 | FlexibilityNo cancel fee | On-time69% |