Southwest® flights from Knoxville to Costa Rica
expand_more
1 Passenger
expand_morePromo Code
expand_moretoday
today
Popular flight deals and low fares from Knoxville
flight_takeoff
flight_land
$
Knoxville (TYS)to
San Jose, Costa Rica (SJO)Depart: 06/23/2026
From
$389
Seen: 7 hrs ago
One-way
Basic
Knoxville (TYS)to
Liberia, Costa Rica (LIR)Depart: 06/22/2026
From
$502
Seen: 11 hrs ago
One-way
Choice
*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.
Shop more flights from Knoxville
flight_takeoff
flight_land
$
There are no fares that match your filter criteria. Please adjust your filters.
There are no fares that match your filter criteria. Please adjust your filters.*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.
More Routes from Knoxville
Popular Routes from Southwest Airlines®
Explore Southwest Airlines® Top-Pick Destinations