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.

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).

How far in advance should I book a flight from Missouri to Puerto Rico?

To save on the cost of your flight from Missouri to Puerto Rico, book at least 54 days before your planned departure. Booking around this time can save you about 85% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $345 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $585.

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

September is one of the best times of the year to fly to Puerto Rico from Missouri. Prices for September average $439 per person but you can even find prices for as low as $209. The most expensive prices can be found in the month of December. Opting for a September flight can save you 20% on your journey compared to booking in December

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.

$103+ Flights from Missouri to Puerto Rico

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Cheap flight deals from Missouri to Puerto Rico

Round-trip from	$205 (American Airlines)
One-way from	$103 (Delta)
Popular in	December
Cheapest in	September
Average price	$495

From Missouri to Puerto Rico

Search Deals

One-way flight from Missouri to Puerto Rico

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in August 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 August 13, 2025.

Mon 9/228:23 amSTL - SJU

2 stops14h 14mAmerican Airlines

Sat 9/273:05 pmSJU - STL

1 stop8h 45mAmerican Airlines

Deal found 8/11

$205

Wed 10/15:35 pmSGF - SJU

2 stops18h 12mAmerican Airlines

Mon 10/63:10 pmSJU - SGF

1 stop18h 41mAmerican Airlines

Deal found 8/11

$215

Wed 10/16:52 amMCI - SJU

1 stop8h 39mDelta

Wed 10/82:31 pmSJU - MCI

1 stop10h 21mDelta

Deal found 8/12

$215

Tue 10/146:15 amSTL - SJU

1 stop8h 27mUnited Airlines

Mon 10/271:05 amSJU - STL

2 stops14h 20mUnited Airlines

Deal found 8/13

$220

Wed 9/245:35 pmSGF - SJU

2 stops18h 12mAmerican Airlines

Mon 9/297:05 pmSJU - SGF

2 stops15h 34mAmerican Airlines

Deal found 8/11

$245

Sun 9/215:45 amMCI - SJU

1 stop6h 31mDelta

Fri 9/265:41 pmSJU - MCI

1 stop7h 03mDelta

Deal found 8/11

$245

Tue 9/165:15 amMCI - SJU

1 stop7h 56mSpirit Airlines

Thu 9/2511:59 amSJU - MCI

1 stop23h 19mSpirit Airlines

Deal found 8/11

$251

Mon 12/86:33 pmMCI - SJU

1 stop15h 07mAmerican Airlines

Tue 12/92:30 pmSJU - MCI

2 stops9h 39mAmerican Airlines

Deal found 8/11

$260

Sat 9/205:15 amMCI - SJU

1 stop7h 56mSpirit Airlines

Thu 9/2511:59 amSJU - MCI

1 stop23h 19mSpirit Airlines

Deal found 8/11

$264

Fri 9/265:06 amMCI - SJU

1 stop17h 31mAmerican Airlines

Mon 9/297:05 pmSJU - MCI

2 stops15h 51mAmerican Airlines

Deal found 8/11

$265

Tue 12/96:00 amSTL - SJU

1 stop6h 15mDelta

Fri 12/123:30 pmSJU - STL

1 stop10h 09mDelta

Deal found 8/12

$265

Sat 9/135:15 amMCI - SJU

1 stop14h 41mSpirit Airlines

Sat 9/203:19 pmSJU - MCI

1 stop8h 48mSpirit Airlines

Deal found 8/13

$266

Best flights from Missouri to Puerto Rico
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 August 13, 2025.

Wed 10/158:42 amSTL - SJU

2 stops12h 28mAmerican Airlines

Wed 10/295:30 amSJU - STL

1 stop11h 33mAmerican Airlines

Deal found 8/11

$205

Sat 10/186:00 amSTL - SJU

1 stop7h 11mDelta

Sat 10/253:30 pmSJU - STL

1 stop8h 36mDelta

Deal found 8/11

$205

Tue 11/119:58 amMCI - BQN

2 stops11h 59mUnited Airlines

Tue 11/181:09 amBQN - MCI

2 stops15h 12mUnited Airlines

Deal found 8/11

$310

Sat 10/2512:21 pmSTL - SJU

2 stops10h 33mAmerican Airlines

Sat 11/15:30 amSJU - STL

1 stop14h 12mAmerican Airlines

Deal found 8/12

$205

Sat 10/256:00 amSTL - SJU

1 stop7h 11mDelta

Sat 11/13:30 pmSJU - STL

1 stop8h 37mDelta

Deal found 8/12

$205

Fri 10/35:18 amSTL - SJU

1 stop7h 57mAmerican Airlines

Fri 10/103:50 pmSJU - STL

1 stop17h 26mAmerican Airlines

Deal found 8/11

$205

Wed 10/16:52 amMCI - SJU

1 stop8h 39mDelta

Wed 10/82:31 pmSJU - MCI

1 stop10h 21mDelta

Deal found 8/12

$215

Mon 9/228:23 amSTL - SJU

2 stops14h 14mAmerican Airlines

Sat 9/273:05 pmSJU - STL

1 stop8h 45mAmerican Airlines

Deal found 8/11

$205

Sun 11/92:55 pmMCI - SJU

1 stop6h 22mDelta

Wed 11/193:30 pmSJU - MCI

1 stop10h 27mDelta

Deal found 8/13

$215

Sat 10/1810:23 amSTL - SJU

1 stop11h 42mAmerican Airlines

Sat 10/253:34 pmSJU - STL

1 stop8h 44mAmerican Airlines

Deal found 8/11

$205

Sun 9/215:18 amSTL - SJU

1 stop7h 57mAmerican Airlines

Sat 9/273:05 pmSJU - STL

1 stop8h 45mAmerican Airlines

Deal found 8/12

$205

Sat 11/88:00 amMCI - BQN

2 stops13h 57mUnited Airlines

Tue 11/181:09 amBQN - MCI

2 stops15h 12mUnited Airlines

Deal found 8/11

$310

Last-minute flights from Missouri to Puerto Rico
Discover last-minute flight deals from Missouri to Puerto Rico. Data last updated August 13, 2025 and is based on user searches.

Mon 8/186:00 amMCI - SJU

1 stop16h 57mSpirit Airlines

Fri 8/224:05 pmSJU - MCI

1 stop7h 48mSpirit Airlines

Deal found 8/11

$386

Mon 8/186:01 amMCI - SJU

2 stops11h 14mAmerican Airlines

Fri 8/225:15 pmSJU - MCI

1 stop8h 14mAmerican Airlines

Deal found 8/11

$387

Mon 8/186:00 amMCI - SJU

1 stop16h 57mSpirit Airlines

Mon 8/2510:16 pmSJU - MCI

3 stops25h 37mSpirit Airlines

Deal found 8/11

$456

Mon 8/186:00 amMCI - SJU

1 stop16h 57mMultiple Airlines

Mon 8/258:13 pmSJU - MCI

1 stop27h 40mMultiple Airlines

Deal found 8/11

$458

Tue 8/198:00 amSTL - SJU

1 stop10h 08mFrontier

Sat 8/238:23 pmSJU - STL

1 stop17h 44mFrontier

Deal found 8/13

$281

Tue 8/198:00 amSTL - SJU

1 stop10h 08mFrontier

Sun 8/243:59 amSJU - STL

1 stop11h 22mFrontier

Deal found 8/10

$350

Tue 8/198:00 amSTL - SJU

1 stop10h 08mMultiple Airlines

Sun 8/242:11 amSJU - STL

2 stops12h 21mMultiple Airlines

Deal found 8/10

$415

Tue 8/198:00 amSTL - SJU

1 stop10h 08mMultiple Airlines

Fri 8/222:11 amSJU - STL

2 stops32h 29mMultiple Airlines

Deal found 8/11

$426

Tue 8/197:00 amSGF - SJU

2 stops10h 15mAmerican Airlines

Sat 8/308:00 amSJU - SGF

2 stops10h 59mAmerican Airlines

Deal found 8/11

$428

Tue 8/196:06 amSTL - SJU

2 stops8h 59mAmerican Airlines

Sat 8/238:00 amSJU - STL

2 stops10h 09mAmerican Airlines

Deal found 8/11

$575

Sat 8/236:00 amMCI - SJU

1 stop16h 57mSpirit Airlines

Sat 8/302:11 amSJU - MCI

1 stop21h 42mSpirit Airlines

Deal found 8/13

$383

Sat 8/236:00 amSGF - SJU

2 stops11h 15mAmerican Airlines

Tue 8/267:55 amSJU - SGF

2 stops12h 08mAmerican Airlines

Deal found 8/12

$590

One-way flights from Missouri to Puerto Rico
Search for one-way flight options from Missouri to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated August 13, 2025.

Mon 9/226:01 amSTL - SJU

1 stop6h 15mDelta

Deal found 8/12

$103

Tue 9/235:00 amSGF - SJU

2 stops8h 53mAmerican Airlines

Deal found 8/11

$108

Sun 9/75:32 amMCI - SJU

1 stop7h 43mAmerican Airlines

Deal found 8/12

$108

Tue 9/166:00 pmSTL - SJU

2 stops17h 47mAmerican Airlines

Deal found 8/11

$109

Mon 9/11:33 pmMCI - SJU

1 stop8h 16mAmerican Airlines

Deal found 8/10

$110

Tue 9/165:35 pmSGF - SJU

2 stops16h 36mAmerican Airlines

Deal found 8/11

$114

Sat 10/45:15 pmMCI - SJU

2 stops16h 56mAmerican Airlines

Deal found 8/12

$116

Mon 8/256:00 amMCI - SJU

1 stop8h 10mSpirit Airlines

Deal found 8/11

$127

Sat 10/116:00 amSTL - SJU

1 stop16h 05mAmerican Airlines

Deal found 8/13

$128

Tue 11/410:54 amSTL - SJU

2 stops20h 58mSpirit Airlines

Deal found 8/11

$132

Wed 9/105:28 amSTL - SJU

1 stop9h 52mAmerican Airlines

Deal found 8/11

$133

Fri 9/191:57 pmSTL - SJU

1 stop9h 02mFrontier

Deal found 8/12

$135

Cheapflights Fare Finder

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

Price

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Wed 10/15

8:42 am-10:10 pm

2 stops12h 28m

San Juan Luis Munoz Marin Intl

Wed 10/29

5:30 am-4:03 pm

1 stop11h 33m

$205

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sat 10/18

6:00 am-2:11 pm

1 stop7h 11m

San Juan Luis Munoz Marin Intl

Sat 10/25

3:30 pm-11:06 pm

1 stop8h 36m

$205

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sat 10/25

12:21 pm-11:54 pm

2 stops10h 33m

San Juan Luis Munoz Marin Intl

Sat 11/1

5:30 am-6:42 pm

1 stop14h 12m

$205

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sat 10/25

6:00 am-2:11 pm

1 stop7h 11m

San Juan Luis Munoz Marin Intl

Sat 11/1

3:30 pm-11:07 pm

1 stop8h 37m

$205

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Fri 10/3

5:18 am-2:15 pm

1 stop7h 57m

San Juan Luis Munoz Marin Intl

Fri 10/10

3:50 pm-8:16 am

1 stop17h 26m

$205

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Mon 9/22

8:23 am-11:37 pm

2 stops14h 14m

San Juan Luis Munoz Marin Intl

Sat 9/27

3:05 pm-10:50 pm

1 stop8h 45m

$205

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sat 10/18

10:23 am-11:05 pm

1 stop11h 42m

San Juan Luis Munoz Marin Intl

Sat 10/25

3:34 pm-11:18 pm

1 stop8h 44m

$205

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sun 9/21

5:18 am-2:15 pm

1 stop7h 57m

San Juan Luis Munoz Marin Intl

Sat 9/27

3:05 pm-10:50 pm

1 stop8h 45m

$205

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Wed 10/1

6:52 am-4:31 pm

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Wed 10/8

2:31 pm-11:52 pm

1 stop10h 21m

$215

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Sun 11/9

2:55 pm-11:17 pm

1 stop6h 22m

San Juan Luis Munoz Marin Intl

Wed 11/19

3:30 pm-11:57 pm

1 stop10h 27m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 58 results

...

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 June is currently the most expensive (average of $339). 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?

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.

Related info for your journey

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 June is currently the most expensive (average of $339). 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

Alternative routes for Missouri to Puerto Rico

Newark to Luis Munoz Marin Intl flights

John F Kennedy Intl to Luis Munoz Marin Intl flights

LaGuardia to Luis Munoz Marin Intl flights

Philadelphia to Luis Munoz Marin Intl flights

John F Kennedy Intl to Montego Bay flights

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Newark to Santiago de los Caballeros flights

John F Kennedy Intl to Oranjestad flights

John F Kennedy Intl to Santiago de los Caballeros flights

John F Kennedy Intl to Punta Cana flights

Newark to Oranjestad flights

Boston to Luis Munoz Marin Intl flights

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Newark to Punta Cana flights

John F Kennedy Intl to Santo Domingo flights

Orlando to Luis Munoz Marin Intl flights

Dallas/Fort Worth to Luis Munoz Marin Intl flights

Atlanta to Luis Munoz Marin Intl flights

Baltimore to Luis Munoz Marin Intl flights

Newark to Santo Domingo flights

Newark to Montego Bay flights

O'Hare Intl to Luis Munoz Marin Intl flights

Reagan-National to Luis Munoz Marin Intl flights

Newark to Nassau flights

John F Kennedy Intl to Nassau flights

Dulles Intl to Punta Cana flights

John F Kennedy Intl to Port of Spain flights

LaGuardia to Punta Cana flights

Tampa to Luis Munoz Marin Intl flights

John F Kennedy Intl to Bridgetown flights

Atlanta to Montego Bay flights

LaGuardia to Oranjestad flights

Hartford to Luis Munoz Marin Intl flights

Hobby to Luis Munoz Marin Intl flights

Miami to Luis Munoz Marin Intl flights

Denver to Luis Munoz Marin Intl flights

LaGuardia to Santo Domingo flights

Newark to Simpson Bay flights

LaGuardia to Montego Bay flights

George Bush Intcntl to Luis Munoz Marin Intl flights

Boston to Oranjestad flights

John F Kennedy Intl to Kingston flights

Los Angeles to Luis Munoz Marin Intl flights

Raleigh to Luis Munoz Marin Intl flights

LaGuardia to Santiago de los Caballeros flights

Boston to Punta Cana flights

Boston to Santo Domingo flights

John F Kennedy Intl to Simpson Bay flights

Charlotte to Luis Munoz Marin Intl flights

Midway to Luis Munoz Marin Intl flights

Complete your trip

Puerto Rico car rentals

San Juan Luis Munoz Marin Intl Airport car rentals

Aguadilla Borinquen Airport car rentals

Ponce Mercedita Airport car rentals

San Juan Isla Grande Airport car rentals

Vieques Airport car rentals

Mayagüez Eugenio M De Hostos Airport car rentals

San Juan car rentals

Aguadilla car rentals

Ponce car rentals

Top 6 airlines flying from Missouri to Puerto Rico

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$140	Average$261	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$170	Average$319	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$209	Average$376	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$219	Average$561	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$219	Average$576	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$257	Average$508	FlexibilityNo cancel fee	On-time71%

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$103+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Missouri to Puerto Rico with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 August 13, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Missouri to Puerto Rico

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 August 13, 2025.

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 August 13, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Missouri to Puerto Rico that are best for you.

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.

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?

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 August 13, 2025.

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.

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

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

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

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

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.

Top 6 airlines flying from Missouri to Puerto Rico

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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 August 13, 2025.