Find a great deal and save up to 101% by booking at least 59 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 St. Louis to Costa Rica within the next two weeks, with the cheapest ticket starting at $292.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Costa Rica. Flights to Costa Rica from St. Louis in September are about $590 on average during September, but can be found for as low as $284.
When flying from St. Louis 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.
Fly from
Fly to
Budget
$275 - $502
Route
Depart
Return
Price
Lambert-St LouisSan José Juan Santamaria Intl
STL - SJO
STLSJO
Lambert-St Louis
Tue 9/24
1 stop25h 58m
San José Juan Santamaria Intl
Wed 10/2
1 stop7h 29m
Lambert-St LouisSan José Juan Santamaria Intl
STL - SJO
STLSJO
Lambert-St Louis
Thu 9/5
1 stop17h 59m
San José Juan Santamaria Intl
Mon 9/9
1 stop20h 07m
Lambert-St LouisSan José Juan Santamaria Intl
STL - SJO
STLSJO
Lambert-St Louis
Thu 9/5
2 stops16h 44m
San José Juan Santamaria Intl
Mon 9/9
1 stop20h 07m
Lambert-St LouisSan José Juan Santamaria Intl
STL - SJO
STLSJO
Lambert-St Louis
Tue 9/24
2 stops21h 57m
San José Juan Santamaria Intl
Wed 10/2
1 stop7h 29m
Lambert-St LouisSan José Juan Santamaria Intl
STL - SJO
STLSJO
Lambert-St Louis
Wed 8/21
2 stops20h 01m
San José Juan Santamaria Intl
Thu 8/22
1 stop16h 17m
Lambert-St LouisSan José Juan Santamaria Intl
STL - SJO
STLSJO
Lambert-St Louis
Wed 6/12
1 stop14h 44m
San José Juan Santamaria Intl
Sun 6/16
1 stop15h 45m
Lambert-St LouisSan José Juan Santamaria Intl
STL - SJO
STLSJO
Lambert-St Louis
Mon 8/12
1 stop7h 20m
San José Juan Santamaria Intl
Tue 8/20
1 stop16h 59m
Lambert-St LouisLiberia
STL - LIR
STLLIR
Lambert-St Louis
Mon 8/5
1 stop6h 39m
Liberia
Thu 8/15
1 stop26h 16m
Lambert-St LouisSan José Juan Santamaria Intl
STL - SJO
STLSJO
Lambert-St Louis
Wed 6/12
2 stops24h 50m
San José Juan Santamaria Intl
Sun 6/16
2 stops35h 23m
No data available for this route at this time. Please check back soon.
Overall
Comfort
Entertainment
Crew
Food
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Overall
Comfort
Entertainment
Crew
Food
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Overall
Comfort
Entertainment
Crew
Food
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Overall
Comfort
Entertainment
Crew
Food
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Overall
Comfort
Entertainment
Crew
Food
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Overall
Comfort
Entertainment
Crew
Food
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
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