HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Puerto Rico

$105+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJU
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Puerto Rico 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 Puerto Rico

Keep the following information in mind while searching for Missouri to Puerto Rico flight deals. Data was last updated April 25, 2025.

Round-trip from

$230
(eDestinos)

One-way from

$105
(Delta)

Popular in

December

Cheapest in

September

Average price

$393

Good round-trip deal

$590 or less
From Missouri to Puerto Rico
Search Deals
One-way flight from Missouri to Puerto Rico
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Missouri to Puerto Rico.
Search Deals

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 April 25, 2025.

This eDestinos deal was found by Cheapflights users on 4/24. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2410:10 amSTL - SJU
1 stop7h 57mSpirit Airlines
Sat 6/79:23 pmSJU - STL
1 stop12h 52mSpirit Airlines
Deal found 4/24$230
This Delta deal was found by Cheapflights users on 4/25. 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.
Sun 5/257:05 amSTL - SJU
1 stop8h 28mDelta
Thu 5/297:30 amSJU - STL
1 stop10h 05mDelta
Deal found 4/25$245
This Delta deal was found by Cheapflights users on 4/25. 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.
Wed 10/12:55 pmMCI - SJU
1 stop6h 13mDelta
Wed 10/85:30 pmSJU - MCI
1 stop7h 27mDelta
Deal found 4/25$265
This Booking.com deal was found by Cheapflights users on 4/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1710:10 amSTL - SJU
1 stop7h 57mMultiple Airlines
Fri 5/233:40 amSJU - STL
1 stop21h 04mMultiple Airlines
Deal found 4/24$284
This American Airlines deal was found by Cheapflights users on 4/25. 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 5/257:10 amSTL - SJU
1 stop6h 50mAmerican Airlines
Thu 5/296:10 amSJU - STL
2 stops10h 01mAmerican Airlines
Deal found 4/25$290
This CheapOair deal was found by Cheapflights users on 4/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1611:26 amMCI - SJU
1 stop6h 41mSpirit Airlines
Fri 5/238:12 pmSJU - MCI
1 stop15h 19mSpirit Airlines
Deal found 4/25$292
This Frontier deal was found by Cheapflights users on 4/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/55:45 pmSTL - SJU
1 stop8h 06mFrontier
Sat 5/1012:05 pmSJU - STL
1 stop13h 01mFrontier
Deal found 4/25$298
This American Airlines deal was found by Cheapflights users on 4/25. 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 5/125:12 pmMCI - SJU
1 stop11h 00mAmerican Airlines
Sat 5/173:35 pmSJU - MCI
1 stop8h 03mAmerican Airlines
Deal found 4/25$305
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Tue 5/275:00 amSTL - SJU
1 stop8h 44mUnited Airlines
Tue 6/33:56 pmSJU - STL
1 stop7h 49mUnited Airlines
Deal found 4/25$335
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Fri 11/710:00 amMCI - SJU
1 stop8h 55mUnited Airlines
Tue 11/118:35 amSJU - MCI
1 stop7h 38mUnited Airlines
Deal found 4/24$339
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 5/146:39 pmSGF - SJU
1 stop15h 31mAmerican Airlines
Wed 5/216:10 amSJU - SGF
2 stops12h 59mAmerican Airlines
Deal found 4/23$348
This Trip.com deal was found by Cheapflights users on 4/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/205:46 amMCI - SJU
1 stop20h 05mMultiple Airlines
Sun 5/256:00 amSJU - MCI
1 stop8h 50mMultiple Airlines
Deal found 4/24$421

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 April 25, 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

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sat 5/24

10:10 am-7:07 pm

1 stop7h 57m

San Juan Luis Munoz Marin Intl

Sat 6/7

9:23 pm-9:15 am

1 stop12h 52m

$230

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sun 5/25

7:05 am-4:33 pm

1 stop8h 28m

San Juan Luis Munoz Marin Intl

Thu 5/29

7:30 am-4:35 pm

1 stop10h 05m

$245

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Wed 10/1

2:55 pm-10:08 pm

1 stop6h 13m

San Juan Luis Munoz Marin Intl

Wed 10/8

5:30 pm-11:57 pm

1 stop7h 27m

$265

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sat 5/17

10:10 am-7:07 pm

1 stop7h 57m

San Juan Luis Munoz Marin Intl

Fri 5/23

3:40 am-11:44 pm

1 stop21h 04m

$284

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sun 5/25

7:10 am-3:00 pm

1 stop6h 50m

San Juan Luis Munoz Marin Intl

Thu 5/29

6:10 am-3:11 pm

2 stops10h 01m

$290

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Fri 5/16

11:26 am-7:07 pm

1 stop6h 41m

San Juan Luis Munoz Marin Intl

Fri 5/23

8:12 pm-10:31 am

1 stop15h 19m

$292

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Mon 5/5

5:45 pm-2:51 am

1 stop8h 06m

San Juan Luis Munoz Marin Intl

Sat 5/10

12:05 pm-12:06 am

1 stop13h 01m

$298

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Mon 5/12

7:55 pm-2:17 pm

1 stop17h 22m

San Juan Luis Munoz Marin Intl

Sat 5/17

11:50 am-10:38 pm

1 stop11h 48m

$305

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Tue 5/27

5:00 am-2:44 pm

1 stop8h 44m

San Juan Luis Munoz Marin Intl

Tue 6/3

3:56 pm-10:45 pm

1 stop7h 49m

$335

SpringfieldSan Juan

SGF - SJU

SGFSJU

Springfield-Branson

Wed 5/14

6:39 pm-11:10 am

1 stop15h 31m

San Juan Luis Munoz Marin Intl

Wed 5/21

6:10 am-6:09 pm

2 stops12h 59m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 34 results
1
2
3
4

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, September is the cheapest month in which you can book a flight from Missouri to Puerto Rico (average of $254). Flying from Missouri to Puerto Rico in December is currently the most expensive (average of $336). 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 April 25, 2025.

When flying from Missouri to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated April 25, 2025.
Read through reviews of airlines operating flights from Missouri to Puerto Rico, such as Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,928 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,928 reviews
Alaska Airlines
8.0
Very good
9,928 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
9,928 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,928 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,928 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,928 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

  • What are the cheapest airlines to fly from Missouri to Puerto Rico one-way?

    $105 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Spirit Airlines and American Airlines, with prices starting from $120 and $131, respectively.

  • 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, September is the cheapest month in which you can book a flight from Missouri to Puerto Rico (average of $254). Flying from Missouri to Puerto Rico in December is currently the most expensive (average of $336). 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

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.

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
John F Kennedy Intl to Santiago de los Caballeros flights
Orlando to Luis Munoz Marin Intl flights
John F Kennedy Intl to Punta Cana flights
LaGuardia to Luis Munoz Marin Intl flights
Newark to Santiago de los Caballeros flights
John F Kennedy Intl to Santo Domingo flights
Newark to Punta Cana flights
John F Kennedy Intl to Montego Bay flights
Philadelphia to Luis Munoz Marin Intl flights
Newark to Santo Domingo flights
Dulles Intl to Luis Munoz Marin Intl flights
Newark to Montego Bay flights
John F Kennedy Intl to Oranjestad flights
O'Hare Intl to Luis Munoz Marin Intl flights
Hartford to Luis Munoz Marin Intl flights
Boston to Luis Munoz Marin Intl flights
Reagan-National to Luis Munoz Marin Intl flights
Newark to Oranjestad flights
Dallas/Fort Worth to Luis Munoz Marin Intl flights
Tampa to Luis Munoz Marin Intl flights
Miami to Luis Munoz Marin Intl flights
Baltimore to Luis Munoz Marin Intl flights
Atlanta to Luis Munoz Marin Intl flights
LaGuardia to Punta Cana flights
Dulles Intl to Punta Cana flights
Atlanta to Montego Bay flights
Fort Lauderdale to Luis Munoz Marin Intl flights
Atlanta to Punta Cana flights
O'Hare Intl to Punta Cana flights
Boston to Punta Cana flights
Newark to Nassau flights
John F Kennedy Intl to Nassau flights
John F Kennedy Intl to Simpson Bay flights
John F Kennedy Intl to Kingston flights
LaGuardia to Montego Bay flights
John F Kennedy Intl to Bridgetown flights
Hobby to Luis Munoz Marin Intl flights
Dallas/Fort Worth to Punta Cana flights
John F Kennedy Intl to Saint Thomas Island flights
Dulles Intl to Montego Bay flights
Philadelphia to Punta Cana flights
John F Kennedy Intl to St. John's flights
George Bush Intcntl to Luis Munoz Marin Intl flights
Newark to Simpson Bay flights
Raleigh to Luis Munoz Marin Intl flights
LaGuardia to Santo Domingo flights
Hobby to Punta Cana flights
LaGuardia to Oranjestad 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$301FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$166Average$309FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$252Average$634FlexibilityNo cancel feeOn-time69%
DeltaCheapest$254Average$381FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$264Average$511FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$347Average$585FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.