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Cheap flights from St. Louis (STL) to San Juan from $80

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 8/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — SJU
Jun 18 — Jun 251
From?
To?
Tue 6/18
Tue 6/25
1 adult, Economy
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The best prices from Lambert-St Louis to San Juan are usually found in April or September, booked 90 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from St. Louis to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to San Juan (PR1). 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 June 13, 2024.

Popular in

December

Cheapest in

April

Round-trip from

$244

One-way from

$123
High demand for flights, 20% potential price rise
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Best time to find cheap flights, 25% potential price drop
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From Lambert-St Louis to San Juan
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One-way flight from Lambert-St Louis to San Juan
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What is the cheapest day to fly round-trip from St. Louis to San Juan?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 21% when planning your travel around this day of the week.

How far in advance should I book a flight from St. Louis to San Juan?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 24 days in advance, which can save you up to 8% on flights from St. Louis to San Juan compared to booking the week you need them. Waiting 24 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $315. For sooner than that we have options available in the next 3 days from $315.

What is the cheapest month to fly from St. Louis to San Juan?

April is one of the best times of the year to fly to San Juan from St. Louis. Prices for April average $459 per person but you can even find prices for as low as $196. The most expensive prices can be found in the month of December. Opting for a April flight can save you 24% on your journey compared to booking in December

What is the cheapest time of day to fly from STL to SJU?

When flying from St. Louis to San Juan, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 37% versus a flight in the morning.

Cheap St. Louis to San Juan flights in June & July 2024

Find cheap flight options from St. Louis to San Juan specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Prices were last updated on June 13, 2024.
These are some of the most attractive deals on flights from St. Louis to San Juan in 2024. Check back soon for alternative fares.
Tue 7/3011:26 amSTL - SJU
1 stop12h 33mSpirit Airlines
Mon 8/53:09 amSJU - STL
1 stop8h 15mSpirit Airlines
Deal found 6/12$221
Tue 7/303:47 pmSTL - SJU
2 stops22h 06mMultiple Airlines
Mon 8/53:09 amSJU - STL
1 stop8h 15mMultiple Airlines
Deal found 6/12$247
Thu 7/186:19 pmSTL - SJU
1 stop16h 25mSpirit Airlines
Mon 7/228:15 pmSJU - STL
1 stop14h 11mSpirit Airlines
Deal found 6/13$253
Fri 7/197:33 pmSTL - SJU
1 stop14h 19mMultiple Airlines
Mon 7/228:15 pmSJU - STL
1 stop14h 11mMultiple Airlines
Deal found 6/11$256
Thu 7/186:19 pmSTL - SJU
1 stop16h 25mSpirit Airlines
Mon 7/228:15 pmSJU - STL
2 stops15h 09mSpirit Airlines
Deal found 6/13$259
Mon 7/292:21 pmSTL - SJU
1 stop14h 29mFrontier
Fri 8/24:12 pmSJU - STL
2 stops18h 13mFrontier
Deal found 6/12$276
Sun 6/237:44 pmSTL - SJU
1 stop14h 04mMultiple Airlines
Sat 6/298:06 pmSJU - STL
2 stops22h 59mMultiple Airlines
Deal found 6/12$287
Thu 7/188:49 pmSTL - SJU
2 stops21h 19mSpirit Airlines
Mon 7/227:15 pmSJU - STL
2 stops16h 09mSpirit Airlines
Deal found 6/13$291
Tue 7/211:57 amSTL - SJU
1 stop12h 12mSpirit Airlines
Fri 7/57:06 pmSJU - STL
1 stop23h 22mSpirit Airlines
Deal found 6/13$294

St. Louis to San Juan 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and San Juan in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
These are some of the most attractive deals on flights from St. Louis to San Juan in 2024. Check back soon for alternative fares.
Wed 9/117:57 amSTL - SJU
1 stop15h 55mSpirit Airlines
Wed 9/187:39 pmSJU - STL
1 stop21h 41mSpirit Airlines
Deal found 6/12$168
Wed 9/117:57 amSTL - SJU
1 stop15h 55mSpirit Airlines
Tue 9/171:45 amSJU - STL
1 stop6h 22mSpirit Airlines
Deal found 6/12$170
Wed 10/27:57 amSTL - SJU
1 stop15h 55mSpirit Airlines
Mon 10/71:45 amSJU - STL
1 stop6h 22mSpirit Airlines
Deal found 6/12$176
Wed 9/187:57 amSTL - SJU
1 stop15h 55mSpirit Airlines
Mon 9/231:45 amSJU - STL
2 stops15h 35mSpirit Airlines
Deal found 6/11$186
Mon 9/97:57 amSTL - SJU
1 stop15h 55mSpirit Airlines
Fri 9/131:45 amSJU - STL
2 stops15h 35mSpirit Airlines
Deal found 6/13$188
Wed 9/187:57 amSTL - SJU
1 stop15h 55mSpirit Airlines
Mon 9/237:39 pmSJU - STL
1 stop21h 41mSpirit Airlines
Deal found 6/12$189
Sat 8/33:09 pmSTL - SJU
1 stop11h 42mFrontier
Wed 8/73:03 amSJU - STL
1 stop6h 40mFrontier
Deal found 6/12$190
Wed 10/27:57 amSTL - SJU
1 stop15h 55mSpirit Airlines
Mon 10/73:50 amSJU - STL
2 stops13h 30mSpirit Airlines
Deal found 6/12$193
Sat 12/72:41 pmSTL - SJU
1 stop6h 41mAmerican Airlines
Thu 12/124:46 pmSJU - STL
1 stop17h 26mAmerican Airlines
Deal found 6/12$194

St. Louis to San Juan flights leaving soon

Find last-minute flight options from St. Louis to San Juan for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
Book one of these great deals on flights from St. Louis to San Juan. Users should be sure to double check the price, date, and time of their last-minute flight.
Sun 6/237:44 pmSTL - SJU
1 stop14h 04mMultiple Airlines
Sat 6/298:06 pmSJU - STL
2 stops22h 59mMultiple Airlines
Deal found 6/12$287
Fri 6/217:44 pmSTL - SJU
1 stop29h 15mFrontier
Mon 6/2410:15 pmSJU - STL
1 stop9h 52mFrontier
Deal found 6/12$297
Sun 6/236:55 pmSTL - SJU
1 stop6h 43mSpirit Airlines
Sat 6/298:06 pmSJU - STL
1 stop21h 26mSpirit Airlines
Deal found 6/12$314
Fri 6/217:44 pmSTL - SJU
1 stop29h 15mFrontier
Sun 6/233:11 amSJU - STL
1 stop28h 56mFrontier
Deal found 6/12$326
Sun 6/236:55 pmSTL - SJU
1 stop6h 43mSpirit Airlines
Sat 6/298:06 pmSJU - STL
1 stop21h 26mSpirit Airlines
Deal found 6/13$336
Sun 6/236:55 pmSTL - SJU
2 stops15h 35mSpirit Airlines
Sat 6/298:06 pmSJU - STL
2 stops22h 59mSpirit Airlines
Deal found 6/12$337
Wed 6/198:16 amSTL - SJU
1 stop7h 24mFrontier
Mon 6/2410:15 pmSJU - STL
1 stop9h 52mFrontier
Deal found 6/12$342
Wed 6/198:16 amSTL - SJU
1 stop7h 24mFrontier
Sun 6/233:11 amSJU - STL
1 stop28h 56mFrontier
Deal found 6/12$371
Thu 6/207:44 pmSTL - SJU
1 stop29h 15mFrontier
Sun 6/238:28 pmSJU - STL
1 stop21h 46mFrontier
Deal found 6/13$388

One-way flights to San Juan from St. Louis

Search for one-way flight options from St. Louis to San Juan. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
If you're seeking multiple options on one-way flights from St. Louis to San Juan, be sure to check out these deals, which are updated often. Those needing a return flight from St. Louis to San Juan can use the search form above.
Mon 8/198:12 amSTL - SJU
1 stop16h 56mSpirit Airlines
Deal found 6/12$80
Tue 8/278:12 amSTL - SJU
1 stop16h 56mSpirit Airlines
Deal found 6/11$82
Wed 8/288:12 amSTL - SJU
1 stop16h 56mSpirit Airlines
Deal found 6/12$83
Wed 8/288:12 amSTL - SJU
1 stop16h 56mSpirit Airlines
Deal found 6/11$86
Tue 8/208:12 amSTL - SJU
1 stop16h 56mSpirit Airlines
Deal found 6/13$89
Wed 8/218:12 amSTL - SJU
1 stop16h 56mSpirit Airlines
Deal found 6/12$95
Wed 8/285:00 amSTL - SJU
2 stops10h 40mAmerican Airlines
Deal found 6/12$97
Tue 7/3010:11 amSTL - SJU
1 stop8h 04mSpirit Airlines
Deal found 6/12$98
Thu 8/87:33 pmSTL - SJU
1 stop11h 53mFrontier
Deal found 6/12$99

Find flights from St. Louis to San Juan within your budget

Customize your flight search to find flights from St. Louis to San Juan 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 3,214,720 searches. Data last updated June 13, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$168 - $314

Route

Depart

Return

Price

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Wed 9/11

1 stop15h 55m

San Juan Luis Munoz Marin Intl

Wed 9/18

1 stop21h 41m

$168

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Wed 9/11

1 stop15h 55m

San Juan Luis Munoz Marin Intl

Tue 9/17

1 stop6h 22m

$170

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Wed 10/2

1 stop15h 55m

San Juan Luis Munoz Marin Intl

Mon 10/7

1 stop6h 22m

$176

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Wed 9/18

1 stop15h 55m

San Juan Luis Munoz Marin Intl

Mon 9/23

2 stops15h 35m

$186

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Sat 8/3

1 stop11h 42m

San Juan Luis Munoz Marin Intl

Wed 8/7

1 stop6h 40m

$190

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Sat 12/7

1 stop6h 41m

San Juan Luis Munoz Marin Intl

Thu 12/12

1 stop17h 26m

$194

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Sat 8/3

1 stop11h 42m

San Juan Luis Munoz Marin Intl

Sun 8/11

2 stops18h 24m

$198

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Tue 8/27

1 stop16h 56m

San Juan Luis Munoz Marin Intl

Sat 8/31

1 stop11h 53m

$227

Lambert-St LouisSan Juan Luis Munoz Marin Intl

STL - SJU

STLSJU

Lambert-St Louis

Thu 8/29

1 stop9h 44m

San Juan Luis Munoz Marin Intl

Tue 9/3

1 stop10h 09m

$314

Flights are sorted by cheapest first

Deals found on 6/12

How far ahead should I book a flight from St. Louis to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to San Juan. Price data was last updated on June 12, 2024.
The price you pay for your flight from St. Louis to San Juan may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

What is the cheapest day to fly from St. Louis to San Juan?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to San Juan. Price data was last updated on June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to San Juan flight should consider departing on Friday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from St. Louis to San Juan

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

Temperature and rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average temperature and rainfall totals by month.

SJU

Temperature

77 - 82.4 °F

If weather is an important factor for your trip to San Juan, 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 San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated June 13, 2024.
See what other customers who have flown with Frontier, Spirit Airlines and Delta from St. Louis to San Juan have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,000 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,000 reviews
Delta
8.0
Very good
10,000 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,000 reviews
Delta
8.0
Very good
10,000 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
10,000 reviews
Delta
8.0
Very good
10,000 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Spirit Airlines
6.4
Okay
8,537 reviews
Delta
8.0
Very good
10,000 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Frontier
6.2
Okay
3,951 reviews
Delta
8.0
Very good
10,000 reviews

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to San Juan. 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 from for flights from St. Louis to San Juan?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to San Juan. On average, Lambert-St Louis has 0 outbound flights to San Juan per day from 6 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • Can I find flights from St. Louis to San Juan for under $200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to San Juan for under $200. The cheapest flight booked recently is on Spirit Airlines for just $168, but on average you can expect to pay $202.

  • Are there last-minute flights available from St. Louis to San Juan for under $300?

    There are currently 20+ open flights from St. Louis to San Juan within the next 7 days for less than $300.

  • What are the cheapest airlines flying from St. Louis to San Juan round-trip?

    Our cheapest airline available from St. Louis to San Juan is Spirit Airlines. Our recent data shows that you can find tickets from as low as $168 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $190 and $194 round-trip. Spirit Airlines is 63% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $80. American Airlines flights start at $97 while deals on Frontier start at $99 one-way.

  • What does STL to SJU mean?

    Great question - STL to SJU just means Lambert-St Louis Airport to San Juan Luis Munoz Marin Intl Airport. Now you’ll know what these unique codes when you look for flights! Ponce Mercedita Airport (PSE), San Juan Isla Grande Airport (SIG), Culebra Airport (CPX), Vieques Airport (VQS), Ceiba J. Aponte de la Torre Airport (NRR) are some additional IATA codes for airports related to your trip.

  • Where are the most common layover locations when flying from St. Louis to San Juan?

    St. Louis to San Juan flights have a layover in Charlotte most often. Atlanta sees the next most layovers on St. Louis to San Juan flights.

  • What are some popular things to do or see while on a layover in Charlotte?

    The majority of Charlotte visitors spend their time at Carowind, North Carolina Blumenthal Performing Arts Center, and Mint Museum Uptown. Carowind, North Carolina Blumenthal Performing Arts Center, and Mint Museum Uptown are located about 8.2 mi, 5.8 mi, and 5.4 mi, respectively from Charlotte Douglas. Travelers in need of a car in Charlotte can rent one for about $52 per day.

  • What are some popular points of interest to see during a layover in Atlanta?

    Atlanta travelers tend to visit Georgia Aquarium, Fox Theatre, and Piedmont Park more than any other notable places. Georgia Aquarium, Fox Theatre, and Piedmont Park are located about 8.6 mi, 9.3 mi, and 10.4 mi, respectively from Atlanta Hartsfield-Jackson. Travelers can book a car rental at Atlanta Hartsfield-Jackson for about $54 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for St. Louis to San Juan flights?

    Flights departing from St. Louis and landing in San Juan layover in Orlando least frequently.

  • Can I find deals for flights from St. Louis to San Juan that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to San Juan flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to San Juan with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to San Juan flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from St. Louis to San Juan?

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

  • Can I find deals for business class flights from St. Louis to San Juan?

    Yes. Cheapflights offers flight deals from St. Louis to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to San Juan that allow pets onboard?

    Many airlines flying from St. Louis to San Juan offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to San Juan?

    Yes, you can often find last-minute deals on St. Louis to San Juan flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to San Juan flight deals updated?

    The St. Louis to San Juan flight deals you see on this page were last updated on 6/13.

  • What are the most popular airlines that fly from St. Louis to San Juan?

    Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from St. Louis to San Juan.

  • What is the cheapest month to book a flight from St. Louis to San Juan?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to San Juan (average of $244). Flying from St. Louis to San Juan in March is currently the most expensive (average of $338). 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 St. Louis to San Juan
See prices for flight routes from nearby airports that may be better suited for you.

Kansas City to Luis Munoz Marin Intl flights
St. Louis to Luis Munoz Marin Intl flights
Springfield to Luis Munoz Marin Intl flights
Kansas City to Aguadilla flights
St. Louis to Culebra flights

Top 6 airlines flying from St. Louis to San Juan

Discover the top 6 airlines that operate flights from St. Louis to San Juan. 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 3,214,720 searches. Data last updated June 13, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$142Average$299FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$154Average$312FlexibilityNo cancel feeOn-time65%
DeltaCheapest$271Average$456FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$280Average$648FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$285Average$509FlexibilityNo cancel feeOn-time71%
Linear Air TaxiCheapest$11,685Average$87,598FlexibilityNo cancel feeOn-timeN/A
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Search flights from St. Louis to San Juan by cabin class

Find flights from St. Louis to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
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Weekly flight availability from St. Louis to San Juan

Explore weekly flight availability from St. Louis to San Juan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 13, 2024.
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