$113+ Cheap flights from Missouri to Puerto Rico
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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — SJU
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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Cheapest flights from Missouri to Puerto RicoExplore the most affordable flight options available from Missouri to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
Explore the most affordable flight options available from Missouri to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 9/96:00 am
MCI
- SJU
1 stop8h 40m
American Airlines
Tue 9/154:38 pm
SJU
- MCI
1 stop7h 21m
American Airlines
Deal found 6/8![American Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:00 am
MCI
- BQN
2 stops11h 57m
United Airlines
Tue 11/101:09 am
BQN
- MCI
2 stops11h 24m
United Airlines
Deal found 6/8![United Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 6/9. 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 8/86:16 am
MCI
- SJU
1 stop8h 26m
United Airlines
Tue 8/182:20 pm
SJU
- MCI
1 stop9h 15m
United Airlines
Deal found 6/9![United Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 6/10. 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 8/2112:52 pm
STL
- SJU
1 stop8h 37m
Delta
Tue 8/257:00 am
SJU
- STL
1 stop8h 33m
Delta
Deal found 6/10![Delta logo]()
$336
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:19 am
SGF
- SJU
1 stop8h 15m
United Airlines
Tue 8/187:00 am
SJU
- SGF
1 stop10h 11m
United Airlines
Deal found 6/8![United Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 6/10. 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 9/23:25 pm
STL
- SJU
1 stop7h 34m
American Airlines
Wed 9/96:27 am
SJU
- STL
2 stops12h 03m
American Airlines
Deal found 6/10![American Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 6/5. 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.
Thu 9/102:25 pm
STL
- SJU
1 stop8h 25m
Southwest
Mon 9/145:30 am
SJU
- STL
2 stops10h 40m
Southwest
Deal found 6/5![Southwest logo]()
$346
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Fri 8/286:20 am
MCI
- SJU
1 stop7h 34m
American Airlines
Sat 9/56:00 am
SJU
- MCI
2 stops11h 29m
American Airlines
Deal found 6/7![American Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 8/105:01 am
MCI
- SJU
1 stop15h 54m
American Airlines
Sun 8/1612:55 am
SJU
- MCI
1 stop8h 45m
American Airlines
Deal found 6/9![American Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:15 am
STL
- SJU
2 stops9h 50m
Southwest
Mon 9/78:55 pm
SJU
- STL
1 stop11h 45m
Southwest
Deal found 6/9![Southwest logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:09 pm
MCI
- SJU
1 stop28h 32m
Multiple Airlines
Tue 8/187:00 am
SJU
- MCI
2 stops35h 24m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Wed 9/26:00 am
MCI
- SJU
1 stop7h 44m
United Airlines
Sun 9/62:20 pm
SJU
- MCI
1 stop9h 15m
United Airlines
Deal found 6/5![United Airlines logo]()
$358
Best flights from Missouri to Puerto RicoDiscover carefully curated flight deals from Missouri to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
Discover carefully curated flight deals from Missouri to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Thu 9/106:20 am
MCI
- SJU
1 stop8h 22m
United Airlines
Sun 9/137:00 am
SJU
- MCI
1 stop10h 52m
United Airlines
Deal found 6/6![United Airlines logo]()
$336
This Southwest deal was found by Cheapflights users on 6/5. 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.
Thu 9/310:10 am
STL
- SJU
1 stop8h 55m
Southwest
Tue 9/86:00 am
SJU
- STL
1 stop9h 50m
Southwest
Deal found 6/5![Southwest logo]()
$346
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Thu 9/244:20 pm
SGF
- SJU
2 stops17h 40m
American Airlines
Thu 10/110:16 am
SJU
- SGF
2 stops12h 22m
American Airlines
Deal found 6/6![American Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 6/8. 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.
Tue 10/1311:40 am
SGF
- SJU
1 stop9h 19m
Delta
Tue 10/202:31 pm
SJU
- SGF
1 stop9h 01m
Delta
Deal found 6/8![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Wed 9/26:00 am
MCI
- SJU
1 stop7h 44m
United Airlines
Sun 9/62:20 pm
SJU
- MCI
1 stop9h 15m
United Airlines
Deal found 6/5![United Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:55 am
MCI
- SJU
2 stops9h 00m
Southwest
Mon 9/145:00 am
SJU
- MCI
1 stop7h 00m
Southwest
Deal found 6/7![Southwest logo]()
$365
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:00 pm
MCI
- SJU
1 stop7h 50m
Southwest
Sat 8/155:05 am
SJU
- MCI
1 stop6h 35m
Southwest
Deal found 6/8![Southwest logo]()
$365
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:50 am
MCI
- SJU
2 stops10h 05m
Southwest
Fri 9/116:30 am
SJU
- MCI
2 stops8h 55m
Southwest
Deal found 6/9![Southwest logo]()
$365
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Sat 9/58:00 am
STL
- SJU
2 stops11h 38m
United Airlines
Tue 9/81:00 am
SJU
- STL
2 stops11h 57m
United Airlines
Deal found 6/5![United Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Sun 9/207:36 pm
SGF
- SJU
1 stop18h 09m
American Airlines
Sat 9/263:35 pm
SJU
- SGF
1 stop18h 33m
American Airlines
Deal found 6/7![American Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 6/8. 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.
Fri 7/31:39 pm
STL
- SJU
1 stop6h 04m
Delta
Tue 7/75:50 pm
SJU
- STL
1 stop7h 03m
Delta
Deal found 6/8![Delta logo]()
$481
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am
SGF
- SJU
1 stop7h 44m
United Airlines
Sat 9/197:00 am
SJU
- SGF
1 stop10h 11m
United Airlines
Deal found 6/8![United Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 6/6. 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 8/1211:38 am
SGF
- SJU
1 stop9h 51m
Delta
Mon 8/172:59 pm
SJU
- SGF
1 stop8h 22m
Delta
Deal found 6/6![Delta logo]()
$486
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Sat 8/297:30 am
MCI
- BQN
2 stops14h 39m
United Airlines
Tue 9/112:15 am
BQN
- MCI
2 stops13h 05m
United Airlines
Deal found 6/5![United Airlines logo]()
$426
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/304:30 pm
STL
- SJU
1 stop7h 55m
Southwest
Mon 8/310:20 pm
SJU
- STL
1 stop10h 20m
Southwest
Deal found 6/8![Southwest logo]()
$426
This United Airlines deal was found by Cheapflights users on 6/9. 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 8/226:00 am
MCI
- SJU
1 stop7h 44m
United Airlines
Tue 8/253:56 pm
SJU
- MCI
1 stop18h 02m
United Airlines
Deal found 6/9![United Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 6/5. 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.
Wed 9/29:20 am
MCI
- SJU
2 stops11h 40m
Southwest
Sun 9/65:20 am
SJU
- MCI
2 stops10h 40m
Southwest
Deal found 6/5![Southwest logo]()
$433
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:15 am
SGF
- SJU
1 stop8h 27m
United Airlines
Tue 8/187:00 am
SJU
- SGF
1 stop10h 11m
United Airlines
Deal found 6/8![United Airlines logo]()
$442
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:50 pm
STL
- SJU
1 stop9h 45m
Southwest
Mon 8/310:20 pm
SJU
- STL
1 stop10h 20m
Southwest
Deal found 6/8![Southwest logo]()
$451
This Delta deal was found by Cheapflights users on 6/8. 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.
Fri 6/1910:51 am
STL
- SJU
1 stop8h 52m
Delta
Wed 6/2412:54 pm
SJU
- STL
1 stop10h 24m
Delta
Deal found 6/8![Delta logo]()
$601
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 10/276:00 am
SGF
- SJU
1 stop7h 40m
United Airlines
Fri 10/302:46 pm
SJU
- SGF
1 stop7h 42m
United Airlines
Deal found 6/9![United Airlines logo]()
$461
This Southwest deal was found by Cheapflights users on 6/6. 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.
Wed 7/2911:30 am
MCI
- SJU
1 stop12h 20m
Southwest
Sun 8/25:40 pm
SJU
- MCI
1 stop8h 10m
Southwest
Deal found 6/6![Southwest logo]()
$474
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/79:55 am
MCI
- SJU
1 stop11h 55m
Southwest
Tue 7/148:35 pm
SJU
- MCI
1 stop13h 50m
Southwest
Deal found 6/7![Southwest logo]()
$475
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:00 am
MCI
- BQN
2 stops12h 09m
United Airlines
Tue 8/2512:15 am
BQN
- MCI
2 stops11h 10m
United Airlines
Deal found 6/8![United Airlines logo]()
$484
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/24:20 pm
STL
- SJU
1 stop7h 10m
Southwest
Sat 8/85:05 am
SJU
- STL
2 stops8h 30m
Southwest
Deal found 6/9![Southwest logo]()
$476
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 8/177:30 am
MCI
- BQN
2 stops14h 39m
United Airlines
Thu 8/2012:15 am
BQN
- MCI
2 stops11h 10m
United Airlines
Deal found 6/9![United Airlines logo]()
$524
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:00 pm
MCI
- SJU
1 stop10h 45m
Southwest
Wed 7/295:00 am
SJU
- MCI
2 stops9h 55m
Southwest
Deal found 6/9![Southwest logo]()
$488
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Fri 7/107:53 am
MCI
- BQN
2 stops14h 16m
United Airlines
Thu 7/1612:15 am
BQN
- MCI
2 stops11h 14m
United Airlines
Deal found 6/7![United Airlines logo]()
$582
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/21:45 pm
MCI
- SJU
2 stops9h 20m
Southwest
Tue 7/78:35 pm
SJU
- MCI
1 stop13h 50m
Southwest
Deal found 6/9![Southwest logo]()
$534
This Southwest deal was found by Cheapflights users on 6/5. 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.
Wed 7/153:10 pm
STL
- SJU
2 stops7h 40m
Southwest
Tue 7/285:00 am
SJU
- STL
2 stops14h 25m
Southwest
Deal found 6/5![Southwest logo]()
$546
Last-minute flights from Missouri to Puerto RicoDiscover last-minute flight deals from Missouri to Puerto Rico. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Puerto Rico. Data last updated June 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:16 pm
MCI
- SJU
2 stops42h 39m
Frontier
Fri 7/105:15 pm
SJU
- MCI
1 stop24h 55m
Frontier
Deal found 6/9![Frontier logo]()
$400
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:25 pm
STL
- SJU
1 stop6h 35m
Southwest
Thu 7/910:20 pm
SJU
- STL
1 stop13h 00m
Southwest
Deal found 6/7![Southwest logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:06 pm
STL
- SJU
1 stop20h 10m
Frontier
Thu 7/96:30 am
SJU
- STL
2 stops27h 27m
Frontier
Deal found 6/7![Frontier logo]()
$407
This Frontier deal was found by Cheapflights users on 6/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/124:09 pm
STL
- SJU
1 stop9h 06m
Frontier
Fri 7/316:09 pm
SJU
- STL
1 stop6h 50m
Frontier
Deal found 6/5![Frontier logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:34 pm
STL
- SJU
2 stops29h 07m
Frontier
Fri 7/315:15 pm
SJU
- STL
1 stop16h 42m
Frontier
Deal found 6/5![Frontier logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:57 pm
STL
- SJU
2 stops43h 58m
Frontier
Fri 7/315:15 pm
SJU
- STL
1 stop16h 42m
Frontier
Deal found 6/5![Frontier logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:57 pm
STL
- SJU
2 stops43h 58m
Frontier
Wed 7/295:15 pm
SJU
- STL
1 stop25h 22m
Frontier
Deal found 6/5![Frontier logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:57 pm
STL
- SJU
2 stops43h 58m
Frontier
Tue 7/285:15 pm
SJU
- STL
1 stop16h 42m
Frontier
Deal found 6/5![Frontier logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:07 pm
MCI
- SJU
2 stops29h 34m
Frontier
Fri 7/245:15 pm
SJU
- MCI
1 stop24h 55m
Frontier
Deal found 6/5![Frontier logo]()
$412
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 7/206:14 am
STL
- SJU
1 stop15h 43m
American Airlines
Mon 7/277:00 am
SJU
- STL
1 stop17h 32m
American Airlines
Deal found 6/9![American Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:07 pm
MCI
- SJU
1 stop19h 09m
Frontier
Fri 7/316:45 am
SJU
- MCI
2 stops35h 25m
Frontier
Deal found 6/7![Frontier logo]()
$405
This Priceline deal was found by Cheapflights users on 6/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/304:09 pm
STL
- SJU
1 stop9h 06m
Frontier
Wed 8/54:08 pm
SJU
- STL
1 stop8h 51m
Frontier
Deal found 6/6![Frontier logo]()
$396
One-way flights from Missouri to Puerto RicoSearch for one-way flight options from Missouri to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
Search for one-way flight options from Missouri to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Sun 8/166:20 am
MCI
- SJU
1 stop7h 34m
American Airlines
Deal found 6/8![American Airlines logo]()
$113
This Delta deal was found by Cheapflights users on 6/8. 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.
Wed 8/1911:38 am
SGF
- SJU
1 stop9h 51m
Delta
Deal found 6/8![Delta logo]()
$143
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 8/2112:28 pm
MCI
- SJU
2 stops20h 15m
American Airlines
Deal found 6/9![American Airlines logo]()
$148
This Delta deal was found by Cheapflights users on 6/6. 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.
Sat 8/2211:38 am
SGF
- SJU
1 stop9h 51m
Delta
Deal found 6/6![Delta logo]()
$163
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Fri 8/145:00 am
MCI
- SJU
2 stops12h 34m
American Airlines
Deal found 6/6![American Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:33 pm
STL
- SJU
2 stops42h 56m
Frontier
Deal found 6/9![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/74:57 pm
STL
- SJU
2 stops43h 44m
Frontier
Deal found 6/9![Frontier logo]()
$164
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Sun 8/237:51 pm
SGF
- SJU
1 stop18h 03m
American Airlines
Deal found 6/6![American Airlines logo]()
$166
This Delta deal was found by Cheapflights users on 6/8. 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.
Tue 8/2511:00 am
STL
- SJU
1 stop10h 29m
Delta
Deal found 6/8![Delta logo]()
$168
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 9/144:22 pm
MCI
- SJU
2 stops17h 38m
American Airlines
Deal found 6/9![American Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:16 pm
MCI
- SJU
2 stops42h 39m
Frontier
Deal found 6/9![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:33 pm
STL
- SJU
2 stops42h 56m
Frontier
Deal found 6/9![Frontier logo]()
$170
Find flight deals from Missouri to Puerto Rico
Keep the following information in mind while searching for Missouri to Puerto Rico flight deals. Data was last updated June 10, 2026.
Round-trip from | $331 (American Airlines) |
|---|---|
One-way from | $113 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $475 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to Puerto Rico 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 June 10, 2026.
Use the filters below to find and compare flights from Missouri to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CitySan Juan
MCI - SJU
MCISJU
Kansas City
Thu 9/10
6:20 am-3:42 pm
1 stop8h 22m
San Juan Luis Munoz Marin Intl
Sun 9/13
7:00 am-4:52 pm
1 stop10h 52m
$336
St. LouisSan Juan
STL - SJU
STLSJU
Lambert-St Louis
Thu 9/3
10:10 am-8:05 pm
1 stop8h 55m
San Juan Luis Munoz Marin Intl
Tue 9/8
6:00 am-2:50 pm
1 stop9h 50m
$346
Kansas CitySan Juan
MCI - SJU
MCISJU
Kansas City
Wed 9/2
6:00 am-2:44 pm
1 stop7h 44m
San Juan Luis Munoz Marin Intl
Sun 9/6
2:20 pm-10:35 pm
1 stop9h 15m
$358
Kansas CitySan Juan
MCI - SJU
MCISJU
Kansas City
Thu 9/10
6:55 am-4:55 pm
2 stops9h 00m
San Juan Luis Munoz Marin Intl
Mon 9/14
5:00 am-11:00 am
1 stop7h 00m
$365
Kansas CitySan Juan
MCI - SJU
MCISJU
Kansas City
Mon 8/10
2:00 pm-10:50 pm
1 stop7h 50m
San Juan Luis Munoz Marin Intl
Sat 8/15
5:05 am-10:40 am
1 stop6h 35m
$365
Kansas CitySan Juan
MCI - SJU
MCISJU
Kansas City
Sat 9/5
10:50 am-9:55 pm
2 stops10h 05m
San Juan Luis Munoz Marin Intl
Fri 9/11
6:30 am-2:25 pm
2 stops8h 55m
$365
SpringfieldSan Juan
SGF - SJU
SGFSJU
Springfield-Branson
Thu 9/24
4:20 pm-11:00 am
2 stops17h 40m
San Juan Luis Munoz Marin Intl
Thu 10/1
10:16 am-9:38 pm
2 stops12h 22m
$386
SpringfieldSan Juan
SGF - SJU
SGFSJU
Springfield-Branson
Tue 10/13
11:40 am-9:59 pm
1 stop9h 19m
San Juan Luis Munoz Marin Intl
Tue 10/20
2:31 pm-10:32 pm
1 stop9h 01m
$398
St. LouisSan Juan
STL - SJU
STLSJU
Lambert-St Louis
Sat 9/5
8:00 am-8:38 pm
2 stops11h 38m
San Juan Luis Munoz Marin Intl
Tue 9/8
1:00 am-11:57 am
2 stops11h 57m
$406
SpringfieldSan Juan
SGF - SJU
SGFSJU
Springfield-Branson
Fri 9/11
6:00 am-2:44 pm
1 stop7h 44m
San Juan Luis Munoz Marin Intl
Sat 9/19
7:00 am-4:11 pm
1 stop10h 11m
$411
Showing 1-10 of 57 resultsSorted by cheapest first
Best time to book a flight from Missouri to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Missouri with our price prediction graph.
MCI-SJU
MCI-BQN
STL-SJU
SGF-SJU
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 Puerto Rico
USMO-PR0
MCI-SJU
MCI-BQN
STL-SJU
SGF-SJU
What is the cheapest month to book a flight from Missouri to Puerto Rico?
Currently, July is the cheapest month in which you can book a flight from Missouri to Puerto Rico (average of $104). Flying from Missouri to Puerto Rico in January is currently the most expensive (average of $173). 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 Puerto Rico?
The price you pay for your flight from Missouri to Puerto Rico may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Related info for your journey
Find useful and relevant information for your journey from Missouri to Puerto Rico. 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 Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to Puerto Rico by cabin class
Find flights from Missouri to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Puerto Rico flights
Browse other Missouri and Puerto Rico flight options. Last updated on June 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Missouri to Puerto Rico flights
Consider these flights traveling from Missouri to Puerto Rico.
Top 5 airlines flying from Missouri to Puerto Rico
Discover the top 5 airlines that operate flights from Missouri to Puerto Rico. 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 June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$418 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$336 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$215 | Average$446 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$220 | Average$487 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$235 | Average$467 | FlexibilityNo cancel fee | On-time71% |