St. Louis to Liberia, Costa Rica for only $287 roundtrip

Missed the deal?

Become a Secret Flying member to receive alerts to your inbox the moment we publish a flight deal.

You'll never miss a Secret Flying deal again.

Cheap flights from St. Louis to Liberia, Costa Rica for only $287 roundtrip with United Airlines.

DEPART:
St. Louis, USA

ARRIVE:
Liberia, Costa Rica

RETURN:
St. Louis, USA

DATES:
Availability from September to October 2025

Example dates:
3rd-10th Sep
3rd-11th Sep
3rd-12th Sep
9th-18th Sep
14th-23rd Sep
15th-23rd Sep
15th-24th Sep
16th-23rd Sep
16th-24th Sep
16th-25th Sep
21st-30th Sep
22nd Sep – 1st Oct
23rd-30th Sep
23rd Sep – 1st Oct
23rd Sep – 2nd Oct
29th Sep – 8th Oct
30th Sep – 9th Oct
3rd-11th Oct
6th-15th Oct
7th-15th Oct
7th-16th Oct
14th-22nd Oct
14th-23rd Oct
19th-28th Oct
20th-28th Oct
20th-29th Oct
21st-28th Oct
21st-29th Oct
21st-30th Oct

and more…

STOPS:
Houston

AIRLINES:
United Airlines