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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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJU
abr. 5 — abr. 121
sáb. 4/5
sáb. 4/12
1 adult, Economy
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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 marzo 31, 2025.

Round-trip from

$205
(Southwest)

One-way from

$105
(Delta)

Popular in

December

Cheapest in

September

Average price

$490
From Missouri to Puerto Rico
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One-way flight from Missouri to Puerto Rico
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Highest demand for flights based on searches. 7% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 marzo 31, 2025.

This Southwest deal was found by Cheapflights users on 3/30. 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.
lun. 5/54:55 pmSTL - SJU
1 stop6h 00mSouthwest
sáb. 5/104:00 pmSJU - STL
Nonstop5h 00mSouthwest
Deal found 3/30$205
This American Airlines deal was found by Cheapflights users on 3/30. 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.
vie. 9/129:34 amSTL - SJU
2 stops24h 41mAmerican Airlines
jue. 9/185:25 pmSJU - STL
2 stops19h 27mAmerican Airlines
Deal found 3/30$249
This Delta deal was found by Cheapflights users on 3/30. 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.
sáb. 8/236:30 amSTL - SJU
1 stop7h 48mDelta
vie. 8/292:28 pmSJU - STL
1 stop10h 11mDelta
Deal found 3/30$261
This Delta deal was found by Cheapflights users on 3/30. 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.
sáb. 4/2612:38 pmMCI - SJU
1 stop6h 45mDelta
sáb. 5/36:15 amSJU - MCI
1 stop8h 38mDelta
Deal found 3/30$265
This Mytrip deal was found by Cheapflights users on 3/30. 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.
sáb. 5/1011:26 amMCI - SJU
2 stops23h 05mSpirit Airlines
jue. 5/151:33 amSJU - MCI
2 stops22h 08mSpirit Airlines
Deal found 3/30$280
This Mytrip deal was found by Cheapflights users on 3/30. 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.
mar. 4/296:10 pmSTL - SJU
1 stop20h 25mSpirit Airlines
lun. 5/52:12 amSJU - STL
2 stops16h 03mSpirit Airlines
Deal found 3/30$289
This CheapOair deal was found by Cheapflights users on 3/30. 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.
vie. 5/25:55 pmSTL - SJU
1 stop7h 56mMultiple Airlines
mar. 5/69:25 amSJU - STL
1 stop8h 50mMultiple Airlines
Deal found 3/30$295
This Frontier deal was found by Cheapflights users on 3/30. 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.
lun. 4/144:57 pmSTL - SJU
1 stop8h 08mFrontier
vie. 4/182:20 pmSJU - STL
1 stop10h 26mFrontier
Deal found 3/30$296
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/39:40 amSTL - SJU
2 stops13h 17mUnited Airlines
mar. 5/61:05 amSJU - STL
2 stops14h 42mUnited Airlines
Deal found 3/31$299
This American Airlines deal was found by Cheapflights users on 3/30. 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.
mar. 4/295:30 amSGF - SJU
1 stop7h 57mAmerican Airlines
mar. 5/66:30 amSJU - SGF
1 stop16h 56mAmerican Airlines
Deal found 3/30$305
This American Airlines deal was found by Cheapflights users on 3/31. 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.
dom. 8/317:37 amMCI - SJU
1 stop14h 23mAmerican Airlines
sáb. 9/63:55 pmSJU - MCI
2 stops9h 04mAmerican Airlines
Deal found 3/31$329
This Mytrip deal was found by Cheapflights users on 3/30. 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.
lun. 5/1211:26 amMCI - SJU
1 stop6h 41mMultiple Airlines
sáb. 5/178:12 pmSJU - MCI
3 stops27h 29mMultiple Airlines
Deal found 3/30$333

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 marzo 31, 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

lun. 5/5

4:55 pm-11:55 pm

1 stop6h 00m

San Juan Luis Munoz Marin Intl

sáb. 5/10

4:00 pm-8:00 pm

Nonstop5h 00m

$205

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

lun. 5/5

4:05 pm-11:15 pm

1 stop6h 10m

San Juan Luis Munoz Marin Intl

sáb. 5/10

4:15 pm-11:26 pm

1 stop8h 11m

$261

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

sáb. 4/26

12:38 pm-8:23 pm

1 stop6h 45m

San Juan Luis Munoz Marin Intl

sáb. 5/3

6:15 am-1:53 pm

1 stop8h 38m

$265

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

sáb. 5/10

11:26 am-11:31 am

2 stops23h 05m

San Juan Luis Munoz Marin Intl

jue. 5/15

1:33 am-10:41 pm

2 stops22h 08m

$280

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

sáb. 5/3

6:15 am-12:09 am

1 stop16h 54m

San Juan Luis Munoz Marin Intl

mar. 5/6

6:10 am-5:29 pm

1 stop12h 19m

$286

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

mar. 4/29

6:10 pm-3:35 pm

1 stop20h 25m

San Juan Luis Munoz Marin Intl

lun. 5/5

2:12 am-5:15 pm

2 stops16h 03m

$289

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

vie. 5/2

5:55 pm-2:51 am

1 stop7h 56m

San Juan Luis Munoz Marin Intl

mar. 5/6

9:25 am-5:15 pm

1 stop8h 50m

$295

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

lun. 4/14

4:57 pm-2:05 am

1 stop8h 08m

San Juan Luis Munoz Marin Intl

vie. 4/18

2:20 pm-11:46 pm

1 stop10h 26m

$296

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

sáb. 5/3

9:40 am-11:57 pm

2 stops13h 17m

San Juan Luis Munoz Marin Intl

mar. 5/6

1:05 am-2:47 pm

2 stops14h 42m

$299

SpringfieldSan Juan

SGF - SJU

SGFSJU

Springfield-Branson

mar. 4/29

5:30 am-2:27 pm

1 stop7h 57m

San Juan Luis Munoz Marin Intl

mar. 5/6

6:30 am-10:26 pm

1 stop16h 56m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 37 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, 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 marzo 31, 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 marzo 31, 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
9,818 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 American Airlines and Frontier, with prices starting from $125 and $148, 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

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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.
Newark to Luis Munoz Marin Intl flights
John F Kennedy Intl to Luis Munoz Marin Intl flights
John F Kennedy Intl to Santiago de los Caballeros flights
John F Kennedy Intl to Punta Cana flights
LaGuardia to Luis Munoz Marin Intl flights
John F Kennedy Intl to Santo Domingo flights
John F Kennedy Intl to Montego Bay flights
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Newark to Punta Cana flights
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Newark to Santiago de los Caballeros flights
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Newark to Nassau flights
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John F Kennedy Intl to Oranjestad flights
Hartford to Luis Munoz Marin Intl flights
Baltimore to Luis Munoz Marin Intl flights
Tampa to Luis Munoz Marin Intl flights
Miami to Luis Munoz Marin Intl flights
LaGuardia to Punta Cana flights
Dallas/Fort Worth to Luis Munoz Marin Intl flights
Newark to Simpson Bay flights
Boston to Oranjestad flights
John F Kennedy Intl to Nassau flights
John F Kennedy Intl to Bridgetown flights
John F Kennedy Intl to Kingston flights
John F Kennedy Intl to Simpson Bay flights
Atlanta to Montego Bay flights
Dulles Intl to Punta Cana flights
LaGuardia to Montego Bay flights
O'Hare Intl to Punta Cana flights
John F Kennedy Intl to Saint Thomas Island flights
Newark to Providenciales flights
John F Kennedy Intl to St. John's flights
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Boston to Punta Cana flights
Philadelphia to Punta Cana flights
LaGuardia to Oranjestad flights
Atlanta to Punta Cana flights
Raleigh to Luis Munoz Marin Intl flights
Newark to Saint Thomas Island flights
John F Kennedy Intl to Providenciales flights
Hobby to Luis Munoz Marin Intl 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 marzo 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$260FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$166Average$314FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$252Average$638FlexibilityNo cancel feeOn-time69%
DeltaCheapest$254Average$389FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$264Average$518FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$386Average$589FlexibilityNo cancel feeOn-time63%
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