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$57+ Cheap flights from Puerto Rico to St. Louis (STL)

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STL
Nov 24 — Dec 11
Sun 11/24
Sun 12/1
1 adult, Economy
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Cheap flight deals from Puerto Rico to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Puerto Rico (PR0) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 19, 2024.

Find flight deals from Puerto Rico to St. Louis

Cheapest flights from Puerto Rico to St. Louis
Explore the most affordable flight options available from Puerto Rico to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 19, 2024.

This eDestinos deal was found by Cheapflights users on 11/18. 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.
Thu 12/55:05 pmSJU - STL
1 stop8h 19mFrontier
Mon 12/95:02 pmSTL - SJU
1 stop7h 38mFrontier
Deal found 11/18$152
This eDestinos deal was found by Cheapflights users on 11/19. 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.
Thu 12/56:20 amSJU - STL
2 stops19h 04mMultiple Airlines
Mon 12/95:02 pmSTL - SJU
1 stop17h 31mMultiple Airlines
Deal found 11/19$237
This eDestinos deal was found by Cheapflights users on 11/18. 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.
Fri 12/279:13 pmSJU - STL
1 stop21h 49mSpirit Airlines
Thu 1/24:27 pmSTL - SJU
1 stop25h 55mSpirit Airlines
Deal found 11/18$352
This American Airlines deal was found by Cheapflights users on 11/17. 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.
Thu 12/55:30 amSJU - STL
2 stops9h 57mAmerican Airlines
Mon 12/96:00 amSTL - SJU
1 stop15h 50mAmerican Airlines
Deal found 11/17$369
This KAYAK deal was found by Cheapflights users on 11/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/152:05 amSJU - STL
1 stop10h 54mUnited Airlines
Wed 12/186:15 amSTL - SJU
1 stop8h 21mUnited Airlines
Deal found 11/18$534
This Southwest deal was found by Cheapflights users on 11/18. 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.
Mon 12/29:55 pmSJU - STL
1 stop13h 25mSouthwest
Fri 1/31:55 pmSTL - SJU
2 stops8h 45mSouthwest
Deal found 11/18$574
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/166:25 amSJU - STL
3 stops32h 59mAlaska Airlines
Thu 12/199:39 amSTL - SJU
3 stops27h 31mAlaska Airlines
Deal found 11/18$3,000

Find flights from Puerto Rico to St. Louis within your budget

Customize your flight search to find flights from Puerto Rico to St. Louis 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 2,659,078 searches. Data last updated November 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 12/5

5:05 pm-11:24 pm

1 stop8h 19m

Lambert-St Louis

Mon 12/9

5:02 pm-2:40 am

1 stop7h 38m

$152

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 2/13

5:19 pm-11:43 pm

1 stop8h 24m

Lambert-St Louis

Tue 2/18

5:20 pm-8:40 pm

1 stop25h 20m

$234

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 2/13

8:15 am-4:06 pm

2 stops9h 51m

Lambert-St Louis

Tue 2/18

10:49 am-10:35 pm

2 stops9h 46m

$266

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Mon 1/27

2:05 am-2:14 pm

2 stops14h 09m

Lambert-St Louis

Tue 2/4

1:02 pm-12:36 am

2 stops9h 34m

$344

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Fri 12/27

9:13 pm-5:02 pm

1 stop21h 49m

Lambert-St Louis

Thu 1/2

4:27 pm-8:22 pm

1 stop25h 55m

$352

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Sun 1/19

9:05 am-4:55 pm

1 stop9h 50m

Lambert-St Louis

Sat 2/1

12:50 pm-7:05 pm

Nonstop4h 15m

$540

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Fri 4/11

3:25 pm-12:01 am

3 stops33h 36m

Lambert-St Louis

Sat 4/19

4:30 pm-1:54 pm

3 stops20h 24m

$2,930

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Sun 1/5

6:30 am-3:54 pm

2 stops11h 24m

Lambert-St Louis

Sun 1/12

11:09 am-11:59 pm

2 stops10h 50m

$5,132

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 12/12

5:05 pm-11:24 pm

1 stop8h 19m

$57

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Wed 2/19

9:30 pm-7:07 am

1 stop11h 37m

$117

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 16 results
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Best time to book a flight from Puerto Rico to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis 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.

Travel insights for flights from Puerto Rico to St. Louis

Get recent, data-driven insights about flights from Puerto Rico to St. Louis including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Puerto Rico to St. Louis?

Currently, September is the cheapest month in which you can book a flight from Puerto Rico to St. Louis (average of $308). Flying from Puerto Rico to St. Louis in March is currently the most expensive (average of $357). 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 STL?

Find hourly flight availability from Puerto Rico to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 19, 2024.

When flying from Puerto Rico to St. Louis, 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 St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated November 19, 2024.
Peruse reviews from past customers who have flown with Frontier, American Airlines and United Airlines from Puerto Rico to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,015 reviews

Crew

8.7

Food

7.2

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Crew

8.7

Food

7.2

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,460 reviews
Southwest
8.1
Very good
5,015 reviews

Crew

8.7

Food

7.2

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,765 reviews
Southwest
8.1
Very good
5,015 reviews

Crew

8.7

Food

7.2

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,173 reviews
Southwest
8.1
Very good
5,015 reviews

Crew

8.7

Food

7.2

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,015 reviews

Crew

8.7

Food

7.2

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Puerto Rico?

    Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Puerto Rico. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • What are the cheapest airlines to fly from Puerto Rico to St. Louis one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $57. Users have also found prices from $117 and $127 on Spirit Airlines and American Airlines, respectively.

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

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

  • How can I find direct flights from Puerto Rico to St. Louis?

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

  • Can I find deals for business class flights from Puerto Rico to St. Louis?

    Yes. Cheapflights offers flight deals from Puerto Rico to St. Louis 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 Puerto Rico to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Puerto Rico to St. Louis (average of $308). Flying from Puerto Rico to St. Louis in March is currently the most expensive (average of $357). 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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Top 4 airlines flying from Puerto Rico to St. Louis

Discover the top 4 airlines that operate flights from Puerto Rico to St. Louis. 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 2,659,078 searches. Data last updated November 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$163Average$290FlexibilityNo cancel feeOn-time62%
DeltaCheapest$244Average$373FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$280Average$554FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$453FlexibilityNo cancel feeOn-time71%
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