$58+ Cheap flights from Puerto Rico to Missouri
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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STL
Jan 11 — Jan 181
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 Puerto Rico to Missouri
Cheapest flights from Puerto Rico to MissouriExplore the most affordable flight options available from Puerto Rico to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.
Explore the most affordable flight options available from Puerto Rico to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.
This Priceline deal was found by Cheapflights users on 12/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:22 pmSJU - MCI
1 stop17h 55mFrontier
Sun 1/119:48 amMCI - SJU
1 stop26h 13mFrontier
Deal found 12/9![Frontier logo]()
$227
This Expedia deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:41 pmSJU - STL
1 stop17h 31mFrontier
Mon 12/294:27 pmSTL - SJU
1 stop8h 23mFrontier
Deal found 12/11![Frontier logo]()
$243
This Frontier deal was found by Cheapflights users on 12/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:05 amSJU - STL
1 stop13h 28mFrontier
Mon 12/153:30 pmSTL - SJU
1 stop9h 20mFrontier
Deal found 12/10![Frontier logo]()
$302
This Frontier deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” 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.
Sat 12/205:09 pmSJU - STL
1 stop7h 24mFrontier
Mon 12/294:27 pmSTL - SJU
1 stop8h 23mFrontier
Deal found 12/11![Frontier logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Sat 12/204:02 pmSJU - MCI
2 stops19h 15mMultiple Airlines
Sun 1/1111:26 amMCI - SJU
1 stop26h 09mMultiple Airlines
Deal found 12/9![Multiple Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/268:25 amSJU - MCI
1 stop17h 30mAmerican Airlines
Wed 12/312:00 pmMCI - SJU
1 stop7h 27mAmerican Airlines
Deal found 12/10![American Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:15 amSJU - MCI
2 stops35h 55mMultiple Airlines
Thu 1/811:26 amMCI - SJU
1 stop26h 09mMultiple Airlines
Deal found 12/10![Multiple Airlines logo]()
$315
This Priceline deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” 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.
Fri 12/263:55 amSJU - STL
1 stop20h 38mFrontier
Wed 12/314:27 pmSTL - SJU
1 stop8h 23mFrontier
Deal found 12/11![Frontier logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:00 amSJU - MCI
1 stop13h 10mMultiple Airlines
Fri 1/26:15 pmMCI - SJU
1 stop17h 44mMultiple Airlines
Deal found 12/10![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:00 amSJU - MCI
1 stop13h 10mMultiple Airlines
Mon 12/296:15 pmMCI - SJU
1 stop16h 14mMultiple Airlines
Deal found 12/10![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:00 amSJU - MCI
1 stop13h 10mMultiple Airlines
Wed 12/316:15 pmMCI - SJU
2 stops18h 05mMultiple Airlines
Deal found 12/10![Multiple Airlines logo]()
$387
This Expedia deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:20 amSJU - MCI
1 stop10h 50mMultiple Airlines
Sun 12/2110:02 amMCI - SJU
1 stop20h 56mMultiple Airlines
Deal found 12/11![Multiple Airlines logo]()
$404
Find flight deals from Puerto Rico to Missouri
Keep the following information in mind while searching for Puerto Rico to Missouri flight deals. Data was last updated December 12, 2025.
Round-trip from | $148 (Frontier) |
|---|---|
One-way from | $58 (Frontier) |
Popular in | July |
Cheapest in | January |
Average price | $434 |
Cheapflights Fare Finder
Customize your flight search to find flights from Puerto Rico to Missouri 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 December 12, 2025.
Use the filters below to find and compare flights from Puerto Rico to Missouri that are best for you.
Fly from
Puerto Rico
Fly to
Missouri
Route
Depart
Return
Price
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Thu 1/15
8:20 am-11:12 pm
1 stop16h 52m
Lambert-St Louis
Mon 1/19
6:00 am-5:03 pm
2 stops9h 03m
$230
San JuanKansas City
SJU - MCI
SJUMCI
San Juan Luis Munoz Marin Intl
Wed 2/4
2:05 am-2:27 pm
2 stops14h 22m
Kansas City
Tue 2/24
12:37 pm-10:22 pm
1 stop7h 45m
$235
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Mon 2/2
11:15 am-11:33 pm
1 stop14h 18m
Lambert-St Louis
Fri 2/6
5:42 pm-3:26 pm
1 stop19h 44m
$236
San JuanKansas City
SJU - MCI
SJUMCI
San Juan Luis Munoz Marin Intl
Wed 1/21
7:07 am-11:12 pm
1 stop18h 05m
Kansas City
Sun 1/25
6:06 am-6:22 pm
2 stops10h 16m
$240
San JuanKansas City
SJU - MCI
SJUMCI
San Juan Luis Munoz Marin Intl
Thu 1/29
3:55 pm-11:51 pm
1 stop9h 56m
Kansas City
Sun 2/1
8:05 am-8:58 pm
1 stop10h 53m
$245
San JuanKansas City
SJU - MCI
SJUMCI
San Juan Luis Munoz Marin Intl
Mon 1/26
7:30 am-5:13 pm
1 stop11h 43m
Kansas City
Tue 2/3
5:50 am-2:31 pm
1 stop6h 41m
$245
San JuanKansas City
SJU - MCI
SJUMCI
San Juan Luis Munoz Marin Intl
Mon 1/26
7:30 am-5:13 pm
1 stop11h 43m
Kansas City
Sun 2/1
10:44 am-8:58 pm
1 stop8h 14m
$245
San JuanKansas City
SJU - MCI
SJUMCI
San Juan Luis Munoz Marin Intl
Thu 1/29
7:30 am-5:13 pm
1 stop11h 43m
Kansas City
Tue 2/3
5:50 am-2:31 pm
1 stop6h 41m
$245
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Fri 1/9
5:18 pm-10:33 pm
2 stops31h 15m
Lambert-St Louis
Fri 1/16
5:11 pm-2:48 am
1 stop7h 37m
$269
San JuanKansas City
SJU - MCI
SJUMCI
San Juan Luis Munoz Marin Intl
Tue 1/27
4:49 pm-11:59 pm
1 stop9h 10m
Kansas City
Tue 2/3
5:48 am-5:01 pm
2 stops9h 13m
$276
Showing 1-10 of 50 results
Best time to book a flight from Puerto Rico to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Puerto Rico with our price prediction graph.
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 Puerto Rico to Missouri
What is the cheapest month to book a flight from Puerto Rico to Missouri?
Currently, June is the cheapest month in which you can book a flight from Puerto Rico to Missouri (average of $125). Flying from Puerto Rico to Missouri in August is currently the most expensive (average of $253). 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.
What is the cheapest time of day to fly from PR to MO?
Find hourly flight availability from Puerto Rico to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.
One of the essential ways to save on airfare from Puerto Rico to Missouri is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 18% on airfare.
What is the cheapest day to fly from Puerto Rico to Missouri?
Use this chart to determine the cheapest time to fly round-trip from Puerto Rico to Missouri. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Puerto Rico to Missouri flight should consider departing on Monday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Missouri
Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated December 12, 2025.
See what other customers who have flown with Southwest, Delta, and American Airlines from Puerto Rico to Missouri have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Puerto Rico to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Puerto Rico to Missouri
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Puerto Rico to Missouri
Discover the top 6 airlines that operate flights from Puerto Rico to Missouri. 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 December 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$261 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$202 | Average$331 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$205 | Average$390 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$234 | Average$416 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$235 | Average$558 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$258 | Average$501 | FlexibilityNo cancel fee | On-time69% |