$188+ Cheap flights from Missouri to Costa Rica
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJO
Nov 19 — Nov 261
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Missouri to Costa Rica
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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 October 20, 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 October 20, 2026.
This Air Canada deal was found by Cheapflights users on 10/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:05 pm -
1 stop22h 05m
Tue 12/83:10 pm -
1 stop24h 16m
Deal found 10/16![Air Canada logo]()
$396
This Air Canada deal was found by Cheapflights users on 10/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:05 pm -
2 stops22h 15m
Sat 11/213:10 pm -
1 stop24h 16m
Deal found 10/16![Air Canada logo]()
$399
This Air Canada deal was found by Cheapflights users on 10/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:40 pm -
1 stop23h 30m
Fri 10/302:10 pm -
1 stop24h 13m
Deal found 10/15![Air Canada logo]()
$408
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/287:20 pm -
2 stops19h 00m
Thu 12/33:35 pm -
2 stops17h 06m
Deal found 10/20![American Airlines logo]()
$425
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/287:20 pm -
1 stop19h 11m
Wed 12/23:35 pm -
1 stop8h 24m
Deal found 10/20![American Airlines logo]()
$428
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/145:44 pm -
1 stop20h 33m
Wed 11/183:17 pm -
1 stop18h 11m
Deal found 10/15![American Airlines logo]()
$431
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/177:30 am -
2 stops13h 09m
Wed 12/162:25 pm -
1 stop8h 05m
Deal found 10/20![United Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/176:44 pm -
2 stops20h 05m
Tue 12/153:54 pm -
2 stops17h 50m
Deal found 10/20![American Airlines logo]()
$447
This deal was found by Cheapflights users on 10/19. 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 11/102:31 pm -
1 stop7h 44m
Thu 11/127:00 am -
1 stop11h 13m
Deal found 10/19![Delta logo]()
$490
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/305:02 am -
1 stop9h 18m
Mon 12/71:35 pm -
2 stops20h 46m
Deal found 10/20![American Airlines logo]()
$491
This American Airlines deal was found by Cheapflights users on 10/19. 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 11/176:44 pm -
2 stops20h 05m
Sat 11/2112:37 am -
2 stops12h 07m
Deal found 10/19![American Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/46:45 pm -
1 stop18h 11m
Fri 12/111:00 pm -
1 stop10h 44m
Deal found 10/19![United Airlines logo]()
$502
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 October 20, 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 October 20, 2026.
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/46:45 pm -
1 stop18h 11m
Fri 12/111:00 pm -
1 stop10h 44m
Deal found 10/19![United Airlines logo]()
$502
This Delta deal was found by Cheapflights users on 10/19. 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 1/233:40 pm -
1 stop6h 25m
Sat 2/63:55 pm -
1 stop7h 44m
Deal found 10/19![Delta logo]()
$537
This Copa Airlines deal was found by Cheapflights users on 10/17. 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.
Tue 2/29:47 am -
2 stops25h 12m
Mon 2/89:57 am -
2 stops33h 41m
Deal found 10/17![Copa Airlines logo]()
$601
This American Airlines deal was found by Cheapflights users on 10/18. 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 1/65:49 pm -
2 stops18h 50m
Wed 1/133:42 pm -
2 stops19h 22m
Deal found 10/18![American Airlines logo]()
$637
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/179:59 am -
1 stop9h 54m
Fri 12/182:25 pm -
1 stop8h 05m
Deal found 10/20![United Airlines logo]()
$541
This Delta deal was found by Cheapflights users on 10/17. 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.
Fri 2/55:40 am -
1 stop7h 05m
Mon 2/82:00 pm -
1 stop8h 26m
Deal found 10/17![Delta logo]()
$543
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/186:15 am -
1 stop7h 07m
Tue 12/228:45 am -
2 stops12h 37m
Deal found 10/20![United Airlines logo]()
$545
This Copa Airlines deal was found by Cheapflights users on 10/18. 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 1/297:31 am -
2 stops23h 31m
Mon 2/83:59 am -
2 stops15h 39m
Deal found 10/18![Copa Airlines logo]()
$601
This Copa Airlines deal was found by Cheapflights users on 10/17. 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.
Wed 1/139:47 am -
2 stops21h 15m
Wed 1/276:02 pm -
2 stops25h 33m
Deal found 10/17![Copa Airlines logo]()
$601
This United Airlines deal was found by Cheapflights users on 10/19. 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 1/66:45 pm -
1 stop18h 11m
Wed 1/132:06 pm -
1 stop9h 14m
Deal found 10/19![United Airlines logo]()
$561
This American Airlines deal was found by Cheapflights users on 10/16. 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 1/97:17 pm -
2 stops18h 34m
Sat 1/232:57 pm -
2 stops19h 01m
Deal found 10/16![American Airlines logo]()
$679
This Delta deal was found by Cheapflights users on 10/17. 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.
Thu 1/76:00 am -
1 stop6h 45m
Thu 1/141:50 pm -
1 stop9h 28m
Deal found 10/17![Delta logo]()
$628
This Copa Airlines deal was found by Cheapflights users on 10/17. 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.
Wed 1/209:05 am -
2 stops23h 59m
Mon 1/258:08 am -
2 stops26h 00m
Deal found 10/17![Copa Airlines logo]()
$601
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/166:10 am -
1 stop13h 43m
Thu 11/1911:28 pm -
2 stops20h 27m
Deal found 10/19![United Airlines logo]()
$573
This American Airlines deal was found by Cheapflights users on 10/18. 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 12/25:37 pm -
2 stops20h 42m
Wed 12/93:19 pm -
1 stop8h 33m
Deal found 10/18![American Airlines logo]()
$696
This Delta deal was found by Cheapflights users on 10/17. 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 11/173:30 pm -
1 stop6h 45m
Tue 11/247:00 am -
1 stop7h 41m
Deal found 10/17![Delta logo]()
$639
This Copa Airlines deal was found by Cheapflights users on 10/16. 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.
Sat 1/239:05 am -
2 stops21h 57m
Sat 2/611:59 am -
2 stops22h 09m
Deal found 10/16![Copa Airlines logo]()
$601
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/75:40 pm -
2 stops18h 53m
Sat 11/143:01 pm -
2 stops17h 24m
Deal found 10/15![American Airlines logo]()
$711
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/176:15 am -
1 stop6h 55m
Tue 11/242:20 pm -
1 stop8h 06m
Deal found 10/18![United Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 10/16. 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 11/291:20 pm -
1 stop8h 55m
Mon 12/77:00 am -
1 stop7h 50m
Deal found 10/16![Delta logo]()
$664
This Copa Airlines deal was found by Cheapflights users on 10/15. 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.
Tue 1/199:47 am -
2 stops21h 15m
Mon 2/13:59 am -
2 stops15h 39m
Deal found 10/15![Copa Airlines logo]()
$621
This American Airlines deal was found by Cheapflights users on 10/19. 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 1/126:50 am -
1 stop7h 52m
Mon 1/183:16 pm -
1 stop17h 59m
Deal found 10/19![American Airlines logo]()
$712
This Delta deal was found by Cheapflights users on 10/20. 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 11/167:13 am -
1 stop15h 02m
Tue 12/227:00 am -
1 stop16h 55m
Deal found 10/20![Delta logo]()
$664
This United Airlines deal was found by Cheapflights users on 10/16. 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 2/16:15 am -
1 stop6h 55m
Wed 2/31:00 pm -
1 stop10h 44m
Deal found 10/16![United Airlines logo]()
$611
This Copa Airlines deal was found by Cheapflights users on 10/15. 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.
Wed 1/207:31 am -
2 stops24h 46m
Wed 2/32:53 pm -
2 stops26h 27m
Deal found 10/15![Copa Airlines logo]()
$621
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Fri 1/17:00 am -
1 stop16h 06m
Fri 1/156:00 am -
2 stops16h 37m
Deal found 10/19![American Airlines logo]()
$722
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/166:40 pm -
2 stops25h 13m
Thu 11/198:45 am -
1 stop13h 03m
Deal found 10/19![United Airlines logo]()
$623
This Copa Airlines deal was found by Cheapflights users on 10/18. 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.
Thu 2/258:00 am -
2 stops23h 04m
Thu 3/411:02 am -
2 stops32h 41m
Deal found 10/18![Copa Airlines logo]()
$637
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/308:03 pm -
2 stops18h 17m
Mon 12/73:35 pm -
2 stops20h 26m
Deal found 10/15![American Airlines logo]()
$729
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Sun 1/106:00 am -
1 stop30h 56m
Fri 1/152:20 pm -
2 stops23h 57m
Deal found 10/15![United Airlines logo]()
$631
Last-minute flights from Missouri to Costa RicaDiscover last-minute flight deals from Missouri to Costa Rica. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Costa Rica. Data last updated October 20, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 10/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:40 pm -
1 stop23h 30m
Fri 10/302:10 pm -
1 stop24h 13m
Deal found 10/15![Air Canada logo]()
$408
This deal was found by Cheapflights users on 10/19. 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 11/102:31 pm -
1 stop7h 44m
Thu 11/127:00 am -
1 stop11h 13m
Deal found 10/19![Delta logo]()
$490
This deal was found by Cheapflights users on 10/19. 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 11/102:31 pm -
1 stop7h 44m
Mon 11/162:37 pm -
1 stop9h 19m
Deal found 10/19![Delta logo]()
$537
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/145:44 pm -
1 stop20h 33m
Wed 11/183:17 pm -
1 stop18h 11m
Deal found 10/15![American Airlines logo]()
$431
This Air Canada deal was found by Cheapflights users on 10/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:05 pm -
2 stops22h 15m
Sat 11/213:10 pm -
1 stop24h 16m
Deal found 10/16![Air Canada logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/177:30 am -
2 stops13h 09m
Wed 12/162:25 pm -
1 stop8h 05m
Deal found 10/20![United Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/176:44 pm -
2 stops20h 05m
Tue 12/153:54 pm -
2 stops17h 50m
Deal found 10/20![American Airlines logo]()
$447
This American Airlines deal was found by Cheapflights users on 10/19. 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 11/176:44 pm -
2 stops20h 05m
Sat 11/2112:37 am -
2 stops12h 07m
Deal found 10/19![American Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 10/20. 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 11/177:13 am -
1 stop15h 02m
Fri 12/187:00 am -
1 stop17h 05m
Deal found 10/20![Delta logo]()
$541
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/285:20 pm -
2 stops19h 11m
Wed 12/23:19 pm -
1 stop8h 18m
Deal found 10/20![American Airlines logo]()
$425
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/305:02 am -
1 stop9h 18m
Mon 12/71:35 pm -
2 stops20h 46m
Deal found 10/20![American Airlines logo]()
$491
This United Airlines deal was found by Cheapflights users on 10/16. 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 11/306:28 am -
1 stop6h 42m
Mon 12/72:20 pm -
1 stop21h 26m
Deal found 10/16![United Airlines logo]()
$532
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 October 20, 2026.
Search for one-way flight options from Missouri to Costa Rica. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
This Air Canada deal was found by Cheapflights users on 10/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:05 pm -
2 stops22h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Air Canada logo]()
$188
This American Airlines deal was found by Cheapflights users on 10/19. 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 12/86:44 pm -
2 stops17h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$205
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/106:28 am -
1 stop6h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$224
This American Airlines deal was found by Cheapflights users on 10/17. 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 1/92:38 pm -
1 stop24h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![American Airlines logo]()
$238
This American Airlines deal was found by Cheapflights users on 10/19. 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 12/65:38 pm -
2 stops19h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$246
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 11/126:02 am -
2 stops14h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$247
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Fri 11/136:02 am -
2 stops14h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$252
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Fri 11/277:45 am -
2 stops13h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$256
This American Airlines deal was found by Cheapflights users on 10/19. 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 12/510:23 am -
1 stop26h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$260
This American Airlines deal was found by Cheapflights users on 10/19. 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 12/126:15 pm -
1 stop26h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$263
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 12/106:15 pm -
1 stop20h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$264
This American Airlines deal was found by Cheapflights users on 10/19. 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 12/132:54 pm -
2 stops21h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$268
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 October 20, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $396 (Air Canada) |
One-way from | $188 (Air Canada) |
Popular in | December |
Cheapest in | May |
Average price | $565 |
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 7,457,451 searches. Data last updated October 20, 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 Lambert-St Louis - LIR Liberia
STLLIR
Lambert-St Louis
Mon 11/16
4:05 pm-2:20 pm
2 stops22h 15m
Liberia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$188
Kansas CityLiberia
MCI Kansas City - LIR Liberia
MCILIR
Kansas City
Sat 1/9
5:07 pm-12:39 pm
2 stops19h 32m
Liberia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$224
Kansas CityLiberia
MCI Kansas City - LIR Liberia
MCILIR
Kansas City
Tue 11/10
6:28 am-1:10 pm
1 stop6h 42m
Liberia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$224
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Thu 11/12
6:02 am-8:50 pm
2 stops14h 48m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$247
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Fri 1/1
6:21 pm-9:39 am
1 stop15h 18m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$268
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Wed 11/11
8:30 am-8:39 pm
1 stop12h 09m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$298
Kansas CitySan José
MCI Kansas City - SJO San José Juan Santamaria Intl
MCISJO
Kansas City
Thu 12/31
7:31 am-7:22 am
2 stops23h 51m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$305
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Fri 11/27
5:10 am-12:20 pm
1 stop7h 10m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$323
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Fri 11/27
12:08 pm-10:15 pm
1 stop10h 07m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$323
Kansas CitySan José
MCI Kansas City - SJO San José Juan Santamaria Intl
MCISJO
Kansas City
Fri 11/13
8:45 am-10:00 pm
1 stop13h 15m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$323
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-LIR
STL-SJO
MCI-SJO
SGF-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-LIR
STL-SJO
MCI-SJO
What is the cheapest month to book a flight from Missouri to Costa Rica?
Currently, February is the cheapest month in which you can book a flight from Missouri to Costa Rica (average of $488). Flying from Missouri to Costa Rica in December is currently the most expensive (average of $826). 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.
How far ahead should I book a flight from Missouri to Costa Rica?
To ensure you get the cheapest price possible for a flight from Missouri to Costa Rica, you should look to book at least 82 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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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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 October 20, 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 5 airlines flying from Missouri to Costa Rica
Discover the top 5 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 7,457,451 searches. Data last updated October 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$323 | Average$668 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$360 | Average$637 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$389 | Average$672 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$403 | Average$717 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$628 | Average$1,039 | FlexibilityNo cancel fee | On-time74% |