$196+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJO
Sep 25 — Oct 21
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 August 26, 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 August 26, 2026.
This American Airlines deal was found by Cheapflights users on 8/22. 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 10/174:21 pm -
2 stops21h 57m
Tue 10/202:44 pm -
2 stops20h 19m
Deal found 8/22![American Airlines logo]()
$411
This American Airlines deal was found by Cheapflights users on 8/26. 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 10/135:25 am -
1 stop9h 35m
Tue 10/206:00 am -
1 stop15h 59m
Deal found 8/26![American Airlines logo]()
$418
This American Airlines deal was found by Cheapflights users on 8/21. 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 11/175:00 am -
1 stop9h 49m
Tue 11/242:07 pm -
1 stop9h 51m
Deal found 8/21![American Airlines logo]()
$418
This American Airlines deal was found by Cheapflights users on 8/26. 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 10/35:24 pm -
1 stop21h 33m
Tue 10/131:00 pm -
1 stop9h 23m
Deal found 8/26![American Airlines logo]()
$426
This American Airlines deal was found by Cheapflights users on 8/26. 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 11/305:20 am -
1 stop9h 11m
Mon 12/71:33 pm -
2 stops20h 45m
Deal found 8/26![American Airlines logo]()
$432
This Air Canada deal was found by Cheapflights users on 8/26. 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.
Wed 12/94:05 pm -
1 stop22h 05m
Mon 12/143:10 pm -
1 stop24h 16m
Deal found 8/26![Air Canada logo]()
$434
This American Airlines deal was found by Cheapflights users on 8/25. 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 9/205:03 am -
2 stops9h 15m
Sun 9/272:18 pm -
1 stop17h 40m
Deal found 8/25![American Airlines logo]()
$437
This American Airlines deal was found by Cheapflights users on 8/25. 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 12/47:33 pm -
2 stops18h 44m
Mon 12/143:17 pm -
2 stops19h 49m
Deal found 8/25![American Airlines logo]()
$453
This Air Canada deal was found by Cheapflights users on 8/25. 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 11/284:05 pm -
1 stop22h 05m
Fri 12/43:10 pm -
1 stop24h 16m
Deal found 8/25![Air Canada logo]()
$455
This Air Canada deal was found by Cheapflights users on 8/25. 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.
Wed 12/24:05 pm -
1 stop22h 05m
Tue 12/83:20 pm -
2 stops24h 06m
Deal found 8/25![Air Canada logo]()
$458
This American Airlines deal was found by Cheapflights users on 8/26. 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 9/276:44 am -
1 stop8h 13m
Tue 10/61:00 pm -
1 stop9h 23m
Deal found 8/26![American Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 8/21. 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 11/176:50 pm -
2 stops16h 54m
Tue 11/245:20 pm -
2 stops18h 50m
Deal found 8/21![United Airlines logo]()
$459
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 August 26, 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 August 26, 2026.
This United Airlines deal was found by Cheapflights users on 8/21. 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 11/176:50 pm -
2 stops16h 54m
Tue 11/245:20 pm -
2 stops18h 50m
Deal found 8/21![United Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 8/24. 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 10/75:00 am -
1 stop16h 21m
Wed 10/141:00 pm -
1 stop7h 59m
Deal found 8/24![American Airlines logo]()
$466
This Air Canada deal was found by Cheapflights users on 8/21. 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.
Wed 11/184:05 pm -
1 stop22h 05m
Tue 11/243:20 pm -
2 stops24h 06m
Deal found 8/21![Air Canada logo]()
$500
This Southwest deal was found by Cheapflights users on 8/23. 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.
Mon 11/28:35 pm -
2 stops16h 40m
Sat 11/71:10 pm -
1 stop9h 00m
Deal found 8/23![Southwest logo]()
$502
This Delta deal was found by Cheapflights users on 8/25. 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 11/56:00 am -
1 stop7h 00m
Mon 11/92:37 pm -
1 stop7h 59m
Deal found 8/25![Delta logo]()
$526
This Avianca deal was found by Cheapflights users on 8/23. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:20 am -
2 stops13h 30m
Tue 9/155:05 am -
2 stops13h 27m
Deal found 8/23![Multiple Airlines logo]()
$682
This United Airlines deal was found by Cheapflights users on 8/21. 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 11/248:45 am -
1 stop13h 41m
Deal found 8/21![United Airlines logo]()
$466
This American Airlines deal was found by Cheapflights users on 8/25. 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 10/135:25 am -
2 stops15h 56m
Tue 10/206:00 am -
2 stops14h 46m
Deal found 8/25![American Airlines logo]()
$471
This Southwest deal was found by Cheapflights users on 8/25. 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.
Sun 11/89:35 pm -
2 stops14h 45m
Sun 11/151:20 pm -
1 stop10h 45m
Deal found 8/25![Southwest logo]()
$513
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/276:19 am -
1 stop6h 51m
Sat 10/311:49 am -
1 stop10h 26m
Deal found 8/24![United Airlines logo]()
$484
This American Airlines deal was found by Cheapflights users on 8/25. 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 10/175:40 pm -
2 stops20h 38m
Mon 10/262:44 pm -
2 stops20h 51m
Deal found 8/25![American Airlines logo]()
$489
This Southwest deal was found by Cheapflights users on 8/23. 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.
Fri 10/236:45 am -
2 stops13h 55m
Fri 10/301:30 pm -
2 stops10h 05m
Deal found 8/23![Southwest logo]()
$513
This American Airlines deal was found by Cheapflights users on 8/23. 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 9/225:00 am -
1 stop16h 07m
Tue 9/292:57 pm -
2 stops18h 21m
Deal found 8/23![American Airlines logo]()
$493
This United Airlines deal was found by Cheapflights users on 8/25. 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 11/86:15 am -
1 stop7h 07m
Sun 11/157:30 am -
1 stop13h 31m
Deal found 8/25![United Airlines logo]()
$497
This American Airlines deal was found by Cheapflights users on 8/23. 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 10/235:40 am -
1 stop9h 20m
Fri 10/301:00 pm -
1 stop7h 59m
Deal found 8/23![American Airlines logo]()
$496
This United Airlines deal was found by Cheapflights users on 8/25. 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 11/66:28 am -
1 stop6h 42m
Mon 11/168:45 am -
1 stop13h 45m
Deal found 8/25![United Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 8/25. 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 11/98:15 pm -
2 stops17h 31m
Mon 11/162:46 pm -
1 stop8h 47m
Deal found 8/25![American Airlines logo]()
$501
This American Airlines deal was found by Cheapflights users on 8/21. 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 9/215:00 am -
2 stops9h 57m
Sun 9/276:00 am -
1 stop16h 59m
Deal found 8/21![American Airlines logo]()
$506
This United Airlines deal was found by Cheapflights users on 8/23. 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 11/26:40 pm -
2 stops17h 04m
Sat 11/72:20 pm -
1 stop8h 10m
Deal found 8/23![United Airlines logo]()
$573
This United Airlines deal was found by Cheapflights users on 8/21. 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 10/196:15 am -
1 stop6h 55m
Thu 10/221:20 pm -
2 stops21h 53m
Deal found 8/21![United Airlines logo]()
$574
This American Airlines deal was found by Cheapflights users on 8/24. 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 11/1212:29 pm -
1 stop8h 21m
Mon 11/162:46 pm -
1 stop8h 50m
Deal found 8/24![American Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/196:19 am -
1 stop6h 51m
Thu 10/221:20 pm -
1 stop8h 15m
Deal found 8/25![United Airlines logo]()
$574
This American Airlines deal was found by Cheapflights users on 8/22. 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 11/56:15 pm -
1 stop20h 02m
Sat 11/143:17 pm -
1 stop8h 16m
Deal found 8/22![American Airlines logo]()
$527
This American Airlines deal was found by Cheapflights users on 8/25. 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 9/176:30 am -
2 stops14h 37m
Mon 9/211:00 pm -
1 stop9h 43m
Deal found 8/25![American Airlines logo]()
$531
This United Airlines deal was found by Cheapflights users on 8/22. 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 11/16:16 am -
1 stop12h 21m
Mon 11/98:45 am -
1 stop13h 45m
Deal found 8/22![United Airlines logo]()
$604
This American Airlines deal was found by Cheapflights users on 8/26. 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 10/2010:38 am -
2 stops10h 43m
Sat 10/316:00 am -
2 stops15h 42m
Deal found 8/26![American Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 8/24. 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 2/68:00 am -
2 stops29h 22m
Tue 2/91:15 am -
2 stops13h 04m
Deal found 8/24![United Airlines logo]()
$621
This American Airlines deal was found by Cheapflights users on 8/26. 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 9/135:15 am -
2 stops9h 03m
Sat 9/192:47 pm -
2 stops18h 31m
Deal found 8/26![American Airlines logo]()
$568
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/191:08 pm -
2 stops24h 13m
Sat 9/267:55 am -
2 stops24h 12m
Deal found 8/22![United Airlines logo]()
$651
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Thu 11/56:40 pm -
2 stops25h 13m
Mon 11/92:25 pm -
2 stops20h 11m
Deal found 8/21![United Airlines logo]()
$651
Last-minute flights from Missouri to Costa RicaDiscover last-minute flight deals from Missouri to Costa Rica. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Costa Rica. Data last updated August 26, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/22. 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 9/122:27 pm -
1 stop24h 30m
Sat 9/191:00 pm -
1 stop9h 24m
Deal found 8/22![American Airlines logo]()
$504
This American Airlines deal was found by Cheapflights users on 8/23. 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 9/135:45 pm -
2 stops20h 33m
Sat 9/192:47 pm -
2 stops18h 31m
Deal found 8/23![American Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 8/25. 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 9/205:02 am -
1 stop9h 16m
Sun 9/272:18 pm -
1 stop17h 40m
Deal found 8/25![American Airlines logo]()
$432
This American Airlines deal was found by Cheapflights users on 8/26. 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 9/215:28 am -
1 stop9h 29m
Fri 9/251:00 pm -
1 stop9h 24m
Deal found 8/26![American Airlines logo]()
$466
This American Airlines deal was found by Cheapflights users on 8/25. 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 9/217:00 am -
1 stop7h 57m
Sun 9/276:00 am -
1 stop16h 59m
Deal found 8/25![American Airlines logo]()
$501
This American Airlines deal was found by Cheapflights users on 8/23. 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 9/225:00 am -
1 stop16h 07m
Tue 9/296:00 am -
1 stop14h 49m
Deal found 8/23![American Airlines logo]()
$488
This American Airlines deal was found by Cheapflights users on 8/25. 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 9/246:16 am -
2 stops14h 51m
Mon 9/281:00 pm -
1 stop8h 19m
Deal found 8/25![American Airlines logo]()
$465
This American Airlines deal was found by Cheapflights users on 8/26. 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 9/276:44 am -
1 stop8h 13m
Tue 10/61:00 pm -
1 stop9h 23m
Deal found 8/26![American Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/276:19 am -
1 stop6h 51m
Sat 10/311:49 am -
1 stop10h 26m
Deal found 8/25![United Airlines logo]()
$484
This American Airlines deal was found by Cheapflights users on 8/25. 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 9/277:35 pm -
2 stops18h 43m
Sat 10/32:47 pm -
2 stops18h 53m
Deal found 8/25![American Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 8/25. 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 9/285:28 am -
2 stops15h 39m
Wed 10/71:00 pm -
1 stop7h 57m
Deal found 8/25![American Airlines logo]()
$471
This American Airlines deal was found by Cheapflights users on 8/22. 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 9/305:18 pm -
2 stops21h 00m
Wed 10/72:44 pm -
2 stops20h 25m
Deal found 8/22![American Airlines logo]()
$502
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 August 26, 2026.
Search for one-way flight options from Missouri to Costa Rica. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This American Airlines deal was found by Cheapflights users on 8/26. 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 10/287:03 am -
1 stop7h 57m
Deal found 8/26![American Airlines logo]()
$196
This American Airlines deal was found by Cheapflights users on 8/26. 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 10/313:20 pm -
2 stops22h 13m
Deal found 8/26![American Airlines logo]()
$211
This American Airlines deal was found by Cheapflights users on 8/25. 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 10/205:30 am -
2 stops15h 51m
Deal found 8/25![American Airlines logo]()
$212
This United Airlines deal was found by Cheapflights users on 8/26. 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 10/306:50 pm -
1 stop18h 06m
Deal found 8/26![United Airlines logo]()
$241
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Thu 10/296:15 am -
1 stop14h 24m
Deal found 8/26![United Airlines logo]()
$242
This American Airlines deal was found by Cheapflights users on 8/22. 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 9/215:28 am -
2 stops15h 39m
Deal found 8/22![American Airlines logo]()
$256
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/206:20 am -
1 stop7h 01m
Deal found 8/22![United Airlines logo]()
$272
This American Airlines deal was found by Cheapflights users on 8/22. 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 9/207:35 pm -
2 stops19h 22m
Deal found 8/22![American Airlines logo]()
$275
This United Airlines deal was found by Cheapflights users on 8/22. 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 9/235:11 pm -
2 stops27h 26m
Deal found 8/22![United Airlines logo]()
$277
This Air Canada deal was found by Cheapflights users on 8/24. 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.
Wed 9/912:10 pm -
2 stops34h 50m
Deal found 8/24![Air Canada logo]()
$283
This American Airlines deal was found by Cheapflights users on 8/22. 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 9/199:49 am -
1 stop29h 08m
Deal found 8/22![American Airlines logo]()
$284
This American Airlines deal was found by Cheapflights users on 8/24. 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 11/66:15 pm -
1 stop18h 18m
Deal found 8/24![American Airlines logo]()
$292
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 August 26, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $411 (American Airlines) |
One-way from | $196 (American Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $625 |
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 August 26, 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
Tue 11/17
6:50 pm-11:44 am
2 stops16h 54m
Liberia
Tue 11/24
5:20 pm-12:10 pm
2 stops18h 50m
$459
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Wed 10/7
5:00 am-8:21 pm
1 stop16h 21m
San José Juan Santamaria Intl
Wed 10/14
1:00 pm-9:59 pm
1 stop7h 59m
$466
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Wed 11/18
6:15 am-1:22 pm
1 stop7h 07m
San José Juan Santamaria Intl
Tue 11/24
8:45 am-10:26 pm
1 stop13h 41m
$466
Kansas CitySan José
MCI Kansas City - SJO San José Juan Santamaria Intl
MCISJO
Kansas City
Tue 10/13
5:25 am-8:21 pm
2 stops15h 56m
San José Juan Santamaria Intl
Tue 10/20
6:00 am-9:46 pm
2 stops14h 46m
$471
Kansas CityLiberia
MCI Kansas City - LIR Liberia
MCILIR
Kansas City
Sun 9/27
6:19 am-12:10 pm
1 stop6h 51m
Liberia
Sat 10/3
11:49 am-11:15 pm
1 stop10h 26m
$484
St. LouisLiberia
STL Lambert-St Louis - LIR Liberia
STLLIR
Lambert-St Louis
Sat 10/17
5:40 pm-1:18 pm
2 stops20h 38m
Liberia
Mon 10/26
2:44 pm-12:35 pm
2 stops20h 51m
$489
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Tue 9/22
5:00 am-8:07 pm
1 stop16h 07m
San José Juan Santamaria Intl
Tue 9/29
2:57 pm-10:18 am
2 stops18h 21m
$493
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Fri 10/23
5:40 am-2:00 pm
1 stop9h 20m
San José Juan Santamaria Intl
Fri 10/30
1:00 pm-9:59 pm
1 stop7h 59m
$496
St. LouisSan José
STL Lambert-St Louis - SJO San José Juan Santamaria Intl
STLSJO
Lambert-St Louis
Sun 11/8
6:15 am-1:22 pm
1 stop7h 07m
San José Juan Santamaria Intl
Sun 11/15
7:30 am-9:01 pm
1 stop13h 31m
$497
St. LouisLiberia
STL Lambert-St Louis - LIR Liberia
STLLIR
Lambert-St Louis
Wed 11/18
4:05 pm-2:10 pm
1 stop22h 05m
Liberia
Tue 11/24
3:20 pm-3:26 pm
2 stops24h 06m
$500
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.
MCI-LIR
MCI-SJO
STL-SJO
STL-LIR
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
MCI-LIR
MCI-SJO
STL-SJO
STL-LIR
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 $471). Flying from Missouri to Costa Rica in July is currently the most expensive (average of $718). 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 70 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
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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 August 26, 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 August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$217 | Average$620 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$334 | Average$605 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$359 | Average$595 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$399 | Average$706 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$628 | Average$1,039 | FlexibilityNo cancel fee | On-time74% |