$147+ Cheap flights from Missouri 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJO
Apr 9 — Apr 161
Round-trip
1 adult, Economy
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Find cheap flights from Missouri to Costa Rica with Cheapflights
1. Tell us where you want to go
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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Cheapest flights from Missouri to Costa RicaExplore the most affordable flight options available from Missouri to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
Explore the most affordable flight options available from Missouri to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
This Delta deal was found by Cheapflights users on 3/4. 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.
Mon 5/46:00 am
STL
- LIR
1 stop7h 00m
Delta
Wed 5/131:25 pm
LIR
- STL
1 stop9h 34m
Delta
Deal found 3/4![Delta logo]()
$326
This American Airlines deal was found by Cheapflights users on 3/4. 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 5/46:55 pm
STL
- LIR
2 stops17h 29m
American Airlines
Wed 5/1312:28 pm
LIR
- STL
2 stops19h 26m
American Airlines
Deal found 3/4![American Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/216:00 am
SGF
- SJO
2 stops14h 07m
American Airlines
Wed 4/2911:35 pm
SJO
- SGF
1 stop9h 49m
American Airlines
Deal found 3/5![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Mon 4/206:00 am
STL
- LIR
1 stop9h 25m
United Airlines
Mon 4/273:27 pm
LIR
- STL
1 stop16h 58m
United Airlines
Deal found 3/6![United Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 3/8. 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 4/207:12 am
STL
- LIR
1 stop7h 28m
American Airlines
Mon 4/272:40 pm
LIR
- STL
1 stop18h 36m
American Airlines
Deal found 3/8![American Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 3/4. 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 5/126:00 am
STL
- LIR
1 stop7h 00m
Delta
Thu 5/211:25 pm
LIR
- STL
1 stop9h 34m
Delta
Deal found 3/4![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/146:30 am
MCI
- SJO
1 stop7h 52m
American Airlines
Wed 4/2211:35 pm
SJO
- MCI
1 stop8h 19m
American Airlines
Deal found 3/5![American Airlines logo]()
$360
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/295:24 am
STL
- SJO
1 stop6h 43m
American Airlines
Wed 5/2011:35 pm
SJO
- STL
1 stop17h 55m
American Airlines
Deal found 3/5![American Airlines logo]()
$360
This American Airlines deal was found by Cheapflights users on 3/4. 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.
Wed 4/155:30 am
MCI
- SJO
2 stops14h 37m
American Airlines
Wed 4/2211:35 pm
SJO
- MCI
1 stop9h 40m
American Airlines
Deal found 3/4![American Airlines logo]()
$365
This American Airlines deal was found by Cheapflights users on 3/5. 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 5/96:11 pm
STL
- SJO
1 stop20h 11m
American Airlines
Wed 5/206:30 am
SJO
- STL
1 stop14h 54m
American Airlines
Deal found 3/5![American Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 3/4. 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 5/96:11 pm
STL
- SJO
1 stop20h 11m
American Airlines
Wed 5/136:30 am
SJO
- STL
2 stops14h 49m
American Airlines
Deal found 3/4![American Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Tue 4/216:00 am
STL
- LIR
1 stop7h 10m
United Airlines
Sat 4/253:27 pm
LIR
- STL
1 stop16h 58m
United Airlines
Deal found 3/5![United Airlines logo]()
$377
Best flights from Missouri to Costa RicaDiscover carefully curated flight deals from Missouri to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
Discover carefully curated flight deals from Missouri to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
This Delta deal was found by Cheapflights users on 3/4. 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.
Mon 5/46:00 am
STL
- LIR
1 stop7h 00m
Delta
Wed 5/131:25 pm
LIR
- STL
1 stop9h 34m
Delta
Deal found 3/4![Delta logo]()
$326
This American Airlines deal was found by Cheapflights users on 3/4. 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 5/46:55 pm
STL
- LIR
2 stops17h 29m
American Airlines
Wed 5/1312:28 pm
LIR
- STL
2 stops19h 26m
American Airlines
Deal found 3/4![American Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 3/4. 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.
Tue 4/148:00 am
MCI
- SJO
2 stops13h 19m
United Airlines
Wed 4/221:25 pm
SJO
- MCI
1 stop8h 05m
United Airlines
Deal found 3/4![United Airlines logo]()
$380
This KAYAK deal was found by Cheapflights users on 3/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:24 pm
SGF
- SJO
2 stops19h 44m
GOL
Thu 4/162:22 pm
SJO
- SGF
2 stops19h 27m
GOL
Deal found 3/6![GOL logo]()
$461
This Southwest deal was found by Cheapflights users on 3/6. 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.
Thu 4/1611:15 am
MCI
- SJO
1 stop8h 45m
Southwest
Wed 4/221:10 pm
SJO
- MCI
1 stop8h 45m
Southwest
Deal found 3/6![Southwest logo]()
$466
This Copa Airlines deal was found by Cheapflights users on 3/9. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:00 am
MCI
- SJO
2 stops24h 08m
Copa Airlines
Tue 4/214:09 am
SJO
- MCI
2 stops14h 36m
Copa Airlines
Deal found 3/9![Copa Airlines logo]()
$581
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:50 pm
MCI
- LIR
3 stops24h 12m
Alaska Airlines
Mon 4/206:12 pm
LIR
- MCI
3 stops28h 47m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$626
This Faresmojo deal was found by Cheapflights users on 3/5. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1311:48 am
SGF
- SJO
1 stop10h 27m
JetBlue
Sun 3/157:00 am
SJO
- SGF
1 stop13h 43m
JetBlue
Deal found 3/5![JetBlue logo]()
$669
This American Airlines deal was found by Cheapflights users on 3/5. 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 5/115:51 am
STL
- SJO
2 stops14h 16m
American Airlines
Mon 5/182:22 pm
SJO
- STL
2 stops18h 21m
American Airlines
Deal found 3/5![American Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Tue 4/216:15 am
SGF
- SJO
1 stop14h 22m
United Airlines
Wed 4/297:55 am
SJO
- SGF
1 stop13h 05m
United Airlines
Deal found 3/5![United Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 3/8. 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.
Sat 5/96:00 am
STL
- SJO
1 stop8h 15m
Delta
Tue 5/121:20 pm
SJO
- STL
1 stop17h 50m
Delta
Deal found 3/8![Delta logo]()
$442
This United Airlines deal was found by Cheapflights users on 3/4. 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.
Fri 5/16:00 am
STL
- LIR
1 stop9h 25m
United Airlines
Tue 5/121:20 pm
LIR
- STL
1 stop8h 10m
United Airlines
Deal found 3/4![United Airlines logo]()
$455
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/256:24 pm
SGF
- SJO
1 stop18h 01m
American Airlines
Sat 5/911:35 pm
SJO
- SGF
1 stop10h 54m
American Airlines
Deal found 3/5![American Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 3/6. 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.
Wed 4/110:12 am
STL
- SJO
1 stop12h 03m
Delta
Tue 4/77:00 am
SJO
- STL
1 stop9h 53m
Delta
Deal found 3/6![Delta logo]()
$500
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Mon 4/136:00 am
STL
- LIR
1 stop9h 25m
United Airlines
Sat 4/183:27 pm
LIR
- STL
2 stops15h 58m
United Airlines
Deal found 3/5![United Airlines logo]()
$460
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/145:27 pm
SGF
- SJO
2 stops18h 40m
American Airlines
Sun 4/1911:35 pm
SJO
- SGF
1 stop8h 49m
American Airlines
Deal found 3/5![American Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 3/8. 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.
Sun 3/296:00 am
STL
- SJO
1 stop6h 55m
Delta
Sun 4/51:20 pm
SJO
- STL
1 stop9h 38m
Delta
Deal found 3/8![Delta logo]()
$500
This United Airlines deal was found by Cheapflights users on 3/4. 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.
Mon 5/117:09 pm
STL
- LIR
2 stops18h 01m
United Airlines
Fri 5/221:20 pm
LIR
- STL
2 stops18h 21m
United Airlines
Deal found 3/4![United Airlines logo]()
$474
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:00 am
MCI
- LIR
3 stops24h 20m
Alaska Airlines
Mon 5/1111:20 am
LIR
- MCI
3 stops25h 44m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$668
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Sat 4/188:00 am
MCI
- SJO
2 stops13h 19m
United Airlines
Tue 4/2111:13 am
SJO
- MCI
1 stop10h 16m
United Airlines
Deal found 3/9![United Airlines logo]()
$480
This United Airlines deal was found by Cheapflights users on 3/4. 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.
Mon 5/117:09 pm
STL
- LIR
2 stops18h 01m
United Airlines
Sat 5/233:27 pm
LIR
- STL
2 stops19h 39m
United Airlines
Deal found 3/4![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/153:21 pm
MCI
- SJO
2 stops19h 50m
United Airlines
Tue 4/217:55 am
SJO
- MCI
2 stops25h 32m
United Airlines
Deal found 3/6![United Airlines logo]()
$495
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Mon 4/276:00 am
STL
- LIR
1 stop7h 10m
United Airlines
Thu 4/303:27 pm
LIR
- STL
1 stop17h 03m
United Airlines
Deal found 3/7![United Airlines logo]()
$502
This United Airlines deal was found by Cheapflights users on 3/7. 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 5/610:25 am
STL
- LIR
2 stops26h 45m
United Airlines
Thu 5/143:27 pm
LIR
- STL
2 stops16h 12m
United Airlines
Deal found 3/7![United Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Tue 4/149:00 am
SGF
- SJO
1 stop11h 37m
United Airlines
Sun 4/196:40 am
SJO
- SGF
1 stop13h 21m
United Airlines
Deal found 3/5![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Tue 4/149:00 am
SGF
- SJO
1 stop11h 37m
United Airlines
Mon 4/207:55 am
SJO
- SGF
1 stop7h 32m
United Airlines
Deal found 3/5![United Airlines logo]()
$509
This deal was found by Cheapflights users on 3/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:15 am
MCI
- LIR
1 stop6h 55m
United Airlines
Tue 5/191:20 pm
LIR
- MCI
1 stop8h 09m
United Airlines
Deal found 3/4![United Airlines logo]()
$510
This United Airlines deal was found by Cheapflights users on 3/4. 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.
Mon 4/205:05 pm
MCI
- LIR
2 stops20h 05m
United Airlines
Thu 4/233:27 pm
LIR
- MCI
1 stop17h 02m
United Airlines
Deal found 3/4![United Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Mon 4/67:45 am
STL
- SJO
2 stops27h 26m
United Airlines
Tue 4/217:55 am
SJO
- STL
2 stops23h 30m
United Airlines
Deal found 3/5![United Airlines logo]()
$517
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Mon 4/67:45 am
STL
- SJO
2 stops27h 26m
United Airlines
Mon 4/207:55 am
SJO
- STL
2 stops23h 30m
United Airlines
Deal found 3/5![United Airlines logo]()
$537
Last-minute flights from Missouri to Costa RicaDiscover last-minute flight deals from Missouri to Costa Rica. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Costa Rica. Data last updated March 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/136:30 am
MCI
- LIR
1 stop8h 10m
American Airlines
Fri 4/1712:27 pm
LIR
- MCI
1 stop8h 53m
American Airlines
Deal found 3/5![American Airlines logo]()
$382
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/146:30 am
MCI
- SJO
1 stop7h 52m
American Airlines
Wed 4/2211:35 pm
SJO
- MCI
1 stop8h 19m
American Airlines
Deal found 3/5![American Airlines logo]()
$360
This American Airlines deal was found by Cheapflights users on 3/4. 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.
Wed 4/155:30 am
MCI
- SJO
2 stops14h 37m
American Airlines
Wed 4/2211:35 pm
SJO
- MCI
1 stop9h 40m
American Airlines
Deal found 3/4![American Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Mon 4/206:00 am
STL
- LIR
1 stop9h 25m
United Airlines
Mon 4/273:27 pm
LIR
- STL
1 stop16h 58m
United Airlines
Deal found 3/6![United Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 3/8. 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 4/207:12 am
STL
- LIR
1 stop7h 28m
American Airlines
Mon 4/272:40 pm
LIR
- STL
1 stop18h 36m
American Airlines
Deal found 3/8![American Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/216:00 am
SGF
- SJO
2 stops14h 07m
American Airlines
Wed 4/2911:35 pm
SJO
- SGF
1 stop9h 49m
American Airlines
Deal found 3/5![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Tue 4/216:00 am
STL
- LIR
1 stop7h 10m
United Airlines
Sat 4/253:27 pm
LIR
- STL
1 stop16h 58m
United Airlines
Deal found 3/5![United Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 3/9. 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 4/225:30 am
MCI
- SJO
1 stop17h 06m
American Airlines
Tue 4/282:08 pm
SJO
- MCI
1 stop17h 46m
American Airlines
Deal found 3/9![American Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 3/4. 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.
Wed 4/225:30 am
MCI
- SJO
2 stops14h 37m
American Airlines
Sun 4/2611:35 pm
SJO
- MCI
1 stop8h 19m
American Airlines
Deal found 3/4![American Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 3/9. 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 4/225:30 am
MCI
- SJO
1 stop17h 06m
American Airlines
Sat 5/211:35 pm
SJO
- MCI
1 stop8h 19m
American Airlines
Deal found 3/9![American Airlines logo]()
$400
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/265:24 am
STL
- LIR
1 stop7h 00m
American Airlines
Fri 5/12:10 pm
LIR
- STL
1 stop17h 44m
American Airlines
Deal found 3/5![American Airlines logo]()
$326
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/295:24 am
STL
- SJO
1 stop6h 43m
American Airlines
Wed 5/2011:35 pm
SJO
- STL
1 stop17h 55m
American Airlines
Deal found 3/5![American Airlines logo]()
$360
One-way flights from Missouri to Costa RicaSearch for one-way flight options from Missouri to Costa Rica. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
Search for one-way flight options from Missouri to Costa Rica. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This United Airlines deal was found by Cheapflights users on 3/4. 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 5/138:30 pm
STL
- LIR
2 stops18h 55m
United Airlines
Deal found 3/4![United Airlines logo]()
$147
This Delta deal was found by Cheapflights users on 3/5. 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.
Wed 4/155:40 am
MCI
- SJO
1 stop7h 16m
Delta
Deal found 3/5![Delta logo]()
$159
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/136:55 pm
STL
- SJO
1 stop17h 40m
American Airlines
Deal found 3/6![American Airlines logo]()
$160
This American Airlines deal was found by Cheapflights users on 3/4. 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 4/256:28 pm
MCI
- SJO
1 stop17h 57m
American Airlines
Deal found 3/4![American Airlines logo]()
$169
This American Airlines deal was found by Cheapflights users on 3/9. 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 5/265:16 pm
MCI
- SJO
2 stops19h 40m
American Airlines
Deal found 3/9![American Airlines logo]()
$174
This American Airlines deal was found by Cheapflights users on 3/4. 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 5/113:42 pm
STL
- LIR
2 stops20h 42m
American Airlines
Deal found 3/4![American Airlines logo]()
$182
This American Airlines deal was found by Cheapflights users on 3/7. 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 5/185:52 pm
MCI
- SJO
1 stop20h 16m
American Airlines
Deal found 3/7![American Airlines logo]()
$184
This United Airlines deal was found by Cheapflights users on 3/4. 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.
Tue 5/196:15 am
MCI
- LIR
1 stop6h 55m
United Airlines
Deal found 3/4![United Airlines logo]()
$184
This American Airlines deal was found by Cheapflights users on 3/4. 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.
Sun 5/108:03 pm
STL
- LIR
2 stops16h 25m
American Airlines
Deal found 3/4![American Airlines logo]()
$188
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Sat 4/256:30 am
MCI
- SJO
1 stop6h 51m
United Airlines
Deal found 3/6![United Airlines logo]()
$189
This United Airlines deal was found by Cheapflights users on 3/4. 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.
Tue 5/196:15 am
MCI
- SJO
1 stop14h 22m
United Airlines
Deal found 3/4![United Airlines logo]()
$191
This Southwest deal was found by Cheapflights users on 3/5. 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 5/195:50 am
MCI
- SJO
1 stop7h 20m
Southwest
Deal found 3/5![Southwest logo]()
$193
Find flight deals from Missouri to Costa Rica
Keep the following information in mind while searching for Missouri to Costa Rica flight deals. Data was last updated March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $326 (United Airlines) |
One-way from | $147 (United Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $859 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri 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 March 10, 2026.
Use the filters below to find and compare flights from Missouri to Costa Rica that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisLiberia
STL - LIR
STLLIR
Lambert-St Louis
Mon 5/4
6:00 am-12:00 pm
1 stop7h 00m
Liberia
Wed 5/13
1:25 pm-11:59 pm
1 stop9h 34m
$326
St. LouisLiberia
STL - LIR
STLLIR
Lambert-St Louis
Mon 5/4
6:55 pm-11:24 am
2 stops17h 29m
Liberia
Wed 5/13
12:28 pm-8:54 am
2 stops19h 26m
$331
Kansas CitySan José
MCI - SJO
MCISJO
Kansas City
Tue 4/14
8:00 am-8:19 pm
2 stops13h 19m
San José Juan Santamaria Intl
Wed 4/22
1:25 pm-10:30 pm
1 stop8h 05m
$380
St. LouisSan José
STL - SJO
STLSJO
Lambert-St Louis
Mon 5/11
5:51 am-7:07 pm
2 stops14h 16m
San José Juan Santamaria Intl
Mon 5/18
2:22 pm-9:43 am
2 stops18h 21m
$385
SpringfieldSan José
SGF - SJO
SGFSJO
Springfield-Branson
Tue 4/21
6:15 am-7:37 pm
1 stop14h 22m
San José Juan Santamaria Intl
Wed 4/29
7:55 am-10:00 pm
1 stop13h 05m
$417
St. LouisSan José
STL - SJO
STLSJO
Lambert-St Louis
Sat 5/9
6:00 am-1:15 pm
1 stop8h 15m
San José Juan Santamaria Intl
Tue 5/12
1:20 pm-8:10 am
1 stop17h 50m
$442
St. LouisLiberia
STL - LIR
STLLIR
Lambert-St Louis
Fri 5/1
6:00 am-2:25 pm
1 stop9h 25m
Liberia
Tue 5/12
1:20 pm-10:30 pm
1 stop8h 10m
$455
St. LouisLiberia
STL - LIR
STLLIR
Lambert-St Louis
Mon 4/13
6:00 am-2:25 pm
1 stop9h 25m
Liberia
Sat 4/18
3:27 pm-8:25 am
2 stops15h 58m
$460
SpringfieldSan José
SGF - SJO
SGFSJO
Springfield-Branson
Thu 4/9
6:24 pm-1:08 pm
2 stops19h 44m
San José Juan Santamaria Intl
Thu 4/16
2:22 pm-10:49 am
2 stops19h 27m
$461
Kansas CitySan José
MCI - SJO
MCISJO
Kansas City
Thu 4/16
11:15 am-7:00 pm
1 stop8h 45m
San José Juan Santamaria Intl
Wed 4/22
1:10 pm-10:55 pm
1 stop8h 45m
$466
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Missouri to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Missouri with our price prediction graph.
STL-LIR
MCI-SJO
SGF-SJO
MCI-LIR
STL-SJO
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 Missouri to Costa Rica
USMO-CR0
STL-LIR
MCI-SJO
SGF-SJO
MCI-LIR
What is the cheapest month to book a flight from Missouri to Costa Rica?
Currently, October is the cheapest month in which you can book a flight from Missouri to Costa Rica (average of $162). Flying from Missouri to Costa Rica in June is currently the most expensive (average of $411). 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.
Related info for your journey
Find useful and relevant information for your journey from Missouri to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Top destinations
Alternative routes for Missouri 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 Missouri to Costa Rica by cabin class
Find flights from Missouri to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Costa Rica flights
Browse other Missouri and Costa Rica flight options. Last updated on March 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Costa Rica
Find the right flight back to Missouri after your stay in Costa Rica
Missouri to Costa Rica flights
Consider these flights traveling from Missouri to Costa Rica.
Top 4 airlines flying from Missouri to Costa Rica
Discover the top 4 airlines that operate flights from Missouri 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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$217 | Average$473 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$314 | Average$601 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$327 | Average$563 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$366 | Average$627 | FlexibilityNo cancel fee | On-time63% |