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Puerto Rico

$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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJU
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
1 adult, Economy
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Find flight deals from Missouri to Puerto Rico

Cheapest flights from Missouri to Puerto Rico
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 October 10, 2025.

This United Airlines deal was found by Cheapflights users on 10/8. 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 12/810:00 amSTL - SJU
1 stop9h 00mUnited Airlines
Mon 12/152:05 amSJU - STL
1 stop10h 45mUnited Airlines
Deal found 10/8$225
This American Airlines deal was found by Cheapflights users on 10/8. 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.
Fri 10/316:02 amMCI - SJU
1 stop16h 57mAmerican Airlines
Wed 11/56:00 amSJU - MCI
2 stops9h 53mAmerican Airlines
Deal found 10/8$235
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Sun 11/911:36 amMCI - SJU
1 stop7h 24mUnited Airlines
Fri 11/142:05 amSJU - MCI
2 stops14h 16mUnited Airlines
Deal found 10/9$255
This American Airlines deal was found by Cheapflights users on 10/8. 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 12/35:35 pmSGF - SJU
2 stops14h 34mAmerican Airlines
Tue 12/97:00 amSJU - SGF
1 stop12h 28mAmerican Airlines
Deal found 10/8$268
This American Airlines deal was found by Cheapflights users on 10/9. 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 10/315:00 amMCI - SJU
1 stop12h 10mAmerican Airlines
Sat 11/86:25 amSJU - MCI
1 stop17h 02mAmerican Airlines
Deal found 10/9$274
This Frontier deal was found by Cheapflights users on 10/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:33 pmSTL - SJU
1 stop8h 57mFrontier
Sat 11/13:04 amSJU - STL
1 stop12h 13mFrontier
Deal found 10/8$278
This Frontier deal was found by Cheapflights users on 10/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:12 pmSTL - SJU
1 stop10h 42mFrontier
Sun 11/910:39 pmSJU - STL
1 stop13h 01mFrontier
Deal found 10/8$281
This Frontier deal was found by Cheapflights users on 10/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/72:12 pmSTL - SJU
1 stop10h 42mFrontier
Sun 11/910:39 pmSJU - STL
1 stop13h 01mFrontier
Deal found 10/8$284
This United Airlines deal was found by Cheapflights users on 10/9. 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 11/811:20 amSTL - SJU
1 stop8h 06mUnited Airlines
Fri 11/142:05 amSJU - STL
1 stop10h 58mUnited Airlines
Deal found 10/9$289
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:11 pmSTL - SJU
1 stop14h 44mFrontier
Sun 12/149:32 pmSJU - STL
1 stop13h 13mFrontier
Deal found 10/8$290
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:11 pmSTL - SJU
1 stop14h 44mFrontier
Sun 12/149:32 pmSJU - STL
1 stop13h 13mFrontier
Deal found 10/8$293
This Booking.com deal was found by Cheapflights users on 10/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/231:41 pmSTL - SJU
1 stop11h 49mFrontier
Fri 10/3110:39 pmSJU - STL
1 stop17h 59mFrontier
Deal found 10/8$294

Cheap 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 October 10, 2025.

Round-trip from

$225
(United Airlines)

One-way from

$113
(Delta)

Popular in

December

Cheapest in

September

Average price

$481
From Missouri to Puerto Rico
Search Deals
One-way flight from Missouri to Puerto Rico
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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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 October 10, 2025.
Use the filters below to find and compare flights from Missouri to Puerto Rico that are best for you.

Fly from

Missouri

Fly to

Puerto Rico

Route

Depart

Return

Price

SpringfieldSan Juan

SGF - SJU

SGFSJU

Springfield-Branson

Tue 1/27

5:39 pm-12:32 pm

2 stops16h 53m

San Juan Luis Munoz Marin Intl

Fri 1/30

8:20 am-4:14 pm

2 stops9h 54m

$268

SpringfieldSan Juan

SGF - SJU

SGFSJU

Springfield-Branson

Wed 12/3

5:35 pm-10:09 am

2 stops14h 34m

San Juan Luis Munoz Marin Intl

Tue 12/9

7:00 am-5:28 pm

1 stop12h 28m

$268

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Mon 2/16

8:20 pm-10:30 am

1 stop12h 10m

San Juan Luis Munoz Marin Intl

Thu 2/19

5:35 am-2:20 pm

2 stops10h 45m

$313

SpringfieldSan Juan

SGF - SJU

SGFSJU

Springfield-Branson

Thu 10/23

7:43 pm-2:25 pm

1 stop17h 42m

San Juan Luis Munoz Marin Intl

Thu 10/30

3:10 pm-8:39 am

1 stop18h 29m

$324

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Tue 10/28

6:15 am-3:36 pm

1 stop8h 21m

San Juan Luis Munoz Marin Intl

Mon 11/3

2:05 am-2:21 pm

2 stops14h 16m

$325

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Sat 11/8

5:30 am-7:50 pm

2 stops12h 20m

San Juan Luis Munoz Marin Intl

Fri 11/14

6:10 am-6:25 pm

2 stops14h 15m

$344

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Thu 12/11

10:14 am-11:20 pm

1 stop11h 06m

San Juan Luis Munoz Marin Intl

Mon 12/15

6:38 pm-11:55 pm

1 stop7h 17m

$355

SpringfieldSan Juan

SGF - SJU

SGFSJU

Springfield-Branson

Tue 1/27

8:50 am-9:26 pm

1 stop10h 36m

San Juan Luis Munoz Marin Intl

Thu 1/29

2:05 am-2:38 pm

2 stops14h 33m

$366

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Sat 10/18

7:00 am-4:33 pm

1 stop8h 33m

San Juan Luis Munoz Marin Intl

Wed 10/22

5:43 pm-11:52 pm

1 stop7h 09m

$375

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Fri 10/17

5:55 am-4:33 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Tue 10/21

7:15 am-4:44 pm

1 stop10h 29m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

Showing 1-10 of 47 results
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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.
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

What is the cheapest month to book a flight from Missouri to Puerto Rico?

Currently, May is the cheapest month in which you can book a flight from Missouri to Puerto Rico (average of $140). Flying from Missouri to Puerto Rico in August is currently the most expensive (average of $225). 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 MO to PR?

Find hourly flight availability from Missouri to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 10, 2025.

It’s typically best to fly out from Missouri to Puerto Rico in the evening. Doing so could potentially save you 30% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Missouri to Puerto Rico?

Use this chart to determine the cheapest time to fly round-trip from Missouri to Puerto Rico. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Missouri to Puerto Rico flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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.

  • How long is the flight from Missouri to Puerto Rico?

    There are many flights that can get you from Missouri to Puerto Rico in 8h 21m. Fly via American Airlines, Southwest, or United Airlines to get the fastest option. There are 2238 mi between Missouri and Puerto Rico. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Missouri to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Missouri to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Puerto Rico.

  • Can I find deals for business class flights from Missouri to Puerto Rico?

    Yes. Cheapflights offers flight deals from Missouri to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to Puerto Rico?

    Currently, May is the cheapest month in which you can book a flight from Missouri to Puerto Rico (average of $140). Flying from Missouri to Puerto Rico in August is currently the most expensive (average of $225). 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.

See more FAQs

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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.
John F Kennedy Intl to Luis Munoz Marin Intl flights
Newark to Luis Munoz Marin Intl flights
Orlando to Luis Munoz Marin Intl flights
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John F Kennedy Intl to Santo Domingo flights
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John F Kennedy Intl to Oranjestad flights
Dallas/Fort Worth to Luis Munoz Marin Intl flights
Boston to Santo Domingo flights
Tampa to Luis Munoz Marin Intl flights
Hartford to Luis Munoz Marin Intl flights
LaGuardia to Punta Cana flights
John F Kennedy Intl to Kingston flights
LaGuardia to Santo Domingo flights
John F Kennedy Intl to Port of Spain flights
O'Hare Intl to Punta Cana flights
Raleigh to Luis Munoz Marin Intl flights
Newark to Simpson Bay flights
Atlanta to Montego Bay flights
Boston to Oranjestad flights
Dulles Intl to Punta Cana flights
Fort Lauderdale to Luis Munoz Marin Intl flights
LaGuardia to Montego Bay flights
Orlando to Punta Cana flights
Miami to Santo Domingo flights
Hobby to Luis Munoz Marin Intl flights
Boston to Punta Cana flights
John F Kennedy Intl to Simpson Bay flights
Minneapolis to Luis Munoz Marin Intl flights
LaGuardia to Santiago de los Caballeros flights
Miami to Punta Cana flights
Newark to Nassau flights
Newark to Saint Thomas Island flights
Atlanta to Punta Cana flights
Newark to Providenciales flights
Fort Lauderdale to Santo Domingo flights

Top 6 airlines flying from Missouri to Puerto Rico

Discover the top 6 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 October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$280FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$170Average$323FlexibilityNo cancel feeOn-time65%
DeltaCheapest$208Average$372FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$215Average$518FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$219Average$578FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$255Average$523FlexibilityNo cancel feeOn-time71%

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