Cheap flights from Puerto Rico to St. Louis (STL) from $102

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 5/20. 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.
SJU — STL
May 10 — May 171

How far in advance should I book a flight from Puerto Rico to St. Louis?

Travelers have found it’s best to book a flight 37 days in advance to save up to 79% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 37 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Puerto Rico to St. Louis 1-2 weeks in advance for as low as $249, or $302 for flights within the next 24 hours.

What is the cheapest month to fly from Puerto Rico to St. Louis?

Our data shows that September tends to be the cheapest month to fly to St. Louis from Puerto Rico. Users have commonly found prices around $411 for the month, but tickets can be as low as $160. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Puerto Rico to St. Louis (PR - STL)?

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.

Cheap Frontier flights from Puerto Rico to St. Louis

Explore cheap flight options specifically provided by Frontier for the route between Puerto Rico and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Peruse some of the lowest-priced Frontier flights we've found from Puerto Rico to St. Louis. Make sure to check back often as deals are often changing.
Tue 8/67:52 pmSJU - STL
1 stop25h 28mFrontier
Mon 8/129:20 pmSTL - SJU
1 stop18h 27mFrontier
Deal found 5/4$269
Tue 6/114:07 pmSJU - STL
2 stops18h 22mFrontier
Mon 6/172:18 pmSTL - SJU
1 stop14h 25mFrontier
Deal found 5/4$290
Tue 6/114:07 pmSJU - STL
2 stops18h 22mFrontier
Sat 6/158:02 pmSTL - SJU
2 stops17h 49mFrontier
Deal found 5/4$292
Sun 6/163:57 pmSJU - STL
2 stops18h 32mFrontier
Mon 6/178:22 pmSTL - SJU
2 stops17h 39mFrontier
Deal found 5/4$294
Thu 6/134:07 pmSJU - STL
2 stops18h 33mFrontier
Sun 6/167:44 pmSTL - SJU
1 stop11h 38mFrontier
Deal found 5/4$297
Fri 6/144:07 pmSJU - STL
2 stops18h 22mFrontier
Sat 6/158:02 pmSTL - SJU
2 stops17h 49mFrontier
Deal found 5/4$298
Thu 6/134:07 pmSJU - STL
2 stops18h 33mFrontier
Tue 6/187:44 pmSTL - SJU
1 stop11h 38mFrontier
Deal found 5/4$300
Sun 6/23:15 amSJU - STL
1 stop28h 53mFrontier
Mon 6/108:22 pmSTL - SJU
2 stops17h 39mFrontier
Deal found 5/4$315
Mon 6/104:27 pmSJU - STL
2 stops23h 20mFrontier
Thu 6/207:44 pmSTL - SJU
1 stop13h 44mFrontier
Deal found 5/4$319

Cheap Spirit Airlines flights from Puerto Rico to St. Louis

Explore cheap flight options specifically provided by Spirit Airlines for the route between Puerto Rico and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Browse through some of the cheapest Spirit Airlines flights traveling from Puerto Rico to St. Louis. Check back soon if you're not seeing flights that suit your needs.
Mon 6/108:06 pmSJU - STL
1 stop19h 17mSpirit Airlines
Thu 6/138:12 pmSTL - SJU
1 stop28h 09mSpirit Airlines
Deal found 5/4$283
Sat 5/115:00 amSJU - STL
1 stop6h 28mSpirit Airlines
Tue 5/142:35 pmSTL - SJU
1 stop6h 49mSpirit Airlines
Deal found 5/4$297
Wed 5/223:15 amSJU - STL
1 stop16h 25mSpirit Airlines
Thu 5/306:19 pmSTL - SJU
1 stop23h 45mSpirit Airlines
Deal found 5/5$301
Wed 5/223:15 amSJU - STL
1 stop16h 25mSpirit Airlines
Thu 5/307:30 pmSTL - SJU
2 stops22h 34mSpirit Airlines
Deal found 5/5$314
Thu 5/235:00 amSJU - STL
1 stop14h 40mSpirit Airlines
Thu 5/306:19 pmSTL - SJU
1 stop23h 45mSpirit Airlines
Deal found 5/5$326
Mon 5/279:07 pmSJU - STL
1 stop13h 32mSpirit Airlines
Thu 5/306:19 pmSTL - SJU
1 stop16h 13mSpirit Airlines
Deal found 5/5$368
Sat 5/114:00 amSJU - STL
1 stop7h 28mSpirit Airlines
Tue 5/142:35 pmSTL - SJU
1 stop6h 49mSpirit Airlines
Deal found 5/3$379
Mon 6/103:33 amSJU - STL
1 stop8h 24mSpirit Airlines
Sat 6/156:22 pmSTL - SJU
1 stop16h 08mSpirit Airlines
Deal found 5/4$381
Thu 9/53:38 amSJU - STL
1 stop19h 36mSpirit Airlines
Tue 9/1010:34 amSTL - SJU
1 stop7h 37mSpirit Airlines
Deal found 5/4$389

Cheap Puerto Rico to St. Louis flights in May & June 2024

Find cheap flight options from Puerto Rico to St. Louis specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Prices were last updated on May 5, 2024.
Scroll through some of the best deals on flights from Puerto Rico to St. Louis in 2024. Check back regularly for other flight deals.
Mon 6/39:07 pmSJU - STL
1 stop13h 32mMultiple Airlines
Mon 6/108:22 pmSTL - SJU
2 stops17h 39mMultiple Airlines
Deal found 5/4$233
Wed 6/128:06 pmSJU - STL
1 stop22h 22mMultiple Airlines
Mon 6/178:22 pmSTL - SJU
2 stops17h 39mMultiple Airlines
Deal found 5/4$268
Mon 6/108:06 pmSJU - STL
1 stop19h 17mSpirit Airlines
Thu 6/138:12 pmSTL - SJU
1 stop28h 09mSpirit Airlines
Deal found 5/4$283
Wed 5/293:15 amSJU - STL
1 stop16h 25mMultiple Airlines
Fri 6/147:44 pmSTL - SJU
1 stop29h 15mMultiple Airlines
Deal found 5/5$284
Thu 5/309:28 amSJU - STL
1 stop22h 40mFrontier
Fri 6/147:44 pmSTL - SJU
1 stop29h 15mFrontier
Deal found 5/5$288
Tue 6/114:07 pmSJU - STL
2 stops18h 22mFrontier
Mon 6/172:18 pmSTL - SJU
1 stop14h 25mFrontier
Deal found 5/4$290
Tue 6/114:07 pmSJU - STL
2 stops18h 22mFrontier
Sat 6/158:02 pmSTL - SJU
2 stops17h 49mFrontier
Deal found 5/4$292
Thu 6/134:07 pmSJU - STL
2 stops18h 33mFrontier
Sat 6/158:02 pmSTL - SJU
2 stops17h 49mFrontier
Deal found 5/4$293
Sun 6/163:57 pmSJU - STL
2 stops18h 32mFrontier
Mon 6/178:22 pmSTL - SJU
2 stops17h 39mFrontier
Deal found 5/4$294

Puerto Rico to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Puerto Rico and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Scroll through some of the best deals on flights from Puerto Rico to St. Louis in 2024. Check back regularly for other flight deals.
Mon 6/39:07 pmSJU - STL
1 stop13h 32mMultiple Airlines
Mon 6/108:22 pmSTL - SJU
2 stops17h 39mMultiple Airlines
Deal found 5/4$233
Wed 6/128:06 pmSJU - STL
1 stop22h 22mMultiple Airlines
Mon 6/178:22 pmSTL - SJU
2 stops17h 39mMultiple Airlines
Deal found 5/4$268
Tue 8/67:52 pmSJU - STL
1 stop25h 28mFrontier
Mon 8/129:20 pmSTL - SJU
1 stop18h 27mFrontier
Deal found 5/4$269
Mon 6/108:06 pmSJU - STL
1 stop19h 17mSpirit Airlines
Thu 6/138:12 pmSTL - SJU
1 stop28h 09mSpirit Airlines
Deal found 5/4$283
Wed 5/293:15 amSJU - STL
1 stop16h 25mMultiple Airlines
Fri 6/147:44 pmSTL - SJU
1 stop29h 15mMultiple Airlines
Deal found 5/5$284
Thu 5/309:28 amSJU - STL
1 stop22h 40mFrontier
Fri 6/147:44 pmSTL - SJU
1 stop29h 15mFrontier
Deal found 5/5$288
Tue 6/114:07 pmSJU - STL
2 stops18h 22mFrontier
Mon 6/172:18 pmSTL - SJU
1 stop14h 25mFrontier
Deal found 5/4$290
Tue 6/114:07 pmSJU - STL
2 stops18h 22mFrontier
Sat 6/158:02 pmSTL - SJU
2 stops17h 49mFrontier
Deal found 5/4$292
Fri 9/69:50 pmSJU - STL
1 stop13h 38mMultiple Airlines
Mon 9/99:20 pmSTL - SJU
1 stop12h 45mMultiple Airlines
Deal found 5/4$293

Puerto Rico to St. Louis flights leaving soon

Find last-minute flight options from Puerto Rico to St. Louis 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 2,719,943 searches. Data last updated May 5, 2024.
Users seeking a last-minute flight from Puerto Rico to St. Louis should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Sat 5/115:00 amSJU - STL
1 stop6h 28mSpirit Airlines
Tue 5/142:35 pmSTL - SJU
1 stop6h 49mSpirit Airlines
Deal found 5/4$297
Sat 5/114:00 amSJU - STL
1 stop7h 28mSpirit Airlines
Tue 5/142:35 pmSTL - SJU
1 stop6h 49mSpirit Airlines
Deal found 5/3$379
Fri 5/101:05 amSJU - STL
2 stops10h 12mUnited Airlines
Tue 5/146:00 amSTL - SJU
1 stop7h 42mUnited Airlines
Deal found 5/3$654
Fri 5/101:05 amSJU - STL
1 stop9h 53mUnited Airlines
Tue 5/1411:10 amSTL - SJU
1 stop8h 28mUnited Airlines
Deal found 5/3$714

One-way flights to St. Louis from Puerto Rico

Search for one-way flight options from Puerto Rico to St. Louis. 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 2,719,943 searches. Data last updated May 5, 2024.
Take a look at some of the best available options we've come across on one-way flights from Puerto Rico to St. Louis. Those needing a return flight from Puerto Rico to St. Louis can use the search form above.
Mon 5/209:07 pmSJU - STL
1 stop13h 32mSpirit Airlines
Deal found 5/5$102
Wed 5/156:15 amSJU - STL
1 stop11h 40mFrontier
Deal found 5/5$109
Wed 5/159:07 pmSJU - STL
2 stops22h 33mSpirit Airlines
Deal found 5/5$114
Sat 5/253:30 amSJU - STL
1 stop16h 10mSpirit Airlines
Deal found 5/4$116
Tue 5/143:08 amSJU - STL
1 stop14h 47mFrontier
Deal found 5/5$121
Thu 8/228:09 pmSJU - STL
1 stop11h 53mFrontier
Deal found 5/4$122
Sun 5/265:00 amSJU - STL
1 stop14h 40mSpirit Airlines
Deal found 5/4$137
Mon 6/173:33 amSJU - STL
1 stop8h 24mSpirit Airlines
Deal found 5/5$142
Mon 5/279:07 pmSJU - STL
1 stop13h 32mSpirit Airlines
Deal found 5/4$143

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 2,719,943 searches. Data last updated May 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$233 - $584

Route

Depart

Return

Price

San Juan Luis Munoz Marin IntlLambert-St Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Mon 6/3

1 stop13h 32m

Lambert-St Louis

Mon 6/10

2 stops17h 39m

$233

San Juan Luis Munoz Marin IntlLambert-St Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Wed 6/12

1 stop22h 22m

Lambert-St Louis

Mon 6/17

2 stops17h 39m

$268

San Juan Luis Munoz Marin IntlLambert-St Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Tue 8/6

1 stop25h 28m

Lambert-St Louis

Mon 8/12

1 stop18h 27m

$269

San Juan Luis Munoz Marin IntlLambert-St Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Mon 6/10

1 stop19h 17m

Lambert-St Louis

Thu 6/13

1 stop28h 09m

$283

San Juan Luis Munoz Marin IntlLambert-St Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Tue 6/11

2 stops18h 22m

Lambert-St Louis

Mon 6/17

1 stop14h 25m

$290

San Juan Luis Munoz Marin IntlLambert-St Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Wed 5/22

1 stop16h 25m

Lambert-St Louis

Thu 5/30

1 stop23h 45m

$301

San Juan Luis Munoz Marin IntlLambert-St Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Fri 9/6

1 stop7h 57m

Lambert-St Louis

Tue 9/10

1 stop8h 06m

$313

San Juan Luis Munoz Marin IntlLambert-St Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 9/5

2 stops10h 02m

Lambert-St Louis

Tue 9/10

1 stop8h 04m

$534

San Juan Luis Munoz Marin IntlLambert-St Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Sun 7/7

1 stop11h 10m

Lambert-St Louis

Tue 7/9

1 stop10h 58m

$584

Flights are sorted by cheapest first

Deals found on 5/4

No data available for this route at this time. Please check back soon.

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 May 5, 2024.
Peruse reviews from past customers who have flown with Frontier, Spirit Airlines and American 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.
8.1
Very good
9,134 reviews

Comfort

7.9

Entertainment

7.3

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
9,134 reviews
8.1
Very good
9,134 reviews

Comfort

7.9

Entertainment

7.3

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
10,826 reviews
8.1
Very good
9,134 reviews

Comfort

7.9

Entertainment

7.3

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.4
Good
11,118 reviews
8.1
Very good
9,134 reviews

Comfort

7.9

Entertainment

7.3

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.3
Good
14,713 reviews
8.1
Very good
9,134 reviews

Comfort

7.9

Entertainment

7.3

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

6.4
Okay
8,721 reviews
8.1
Very good
9,134 reviews

Comfort

7.9

Entertainment

7.3

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

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.

  • Can I find flights from Puerto Rico to St. Louis for under $300 on Cheapflights?

    Yes, there are multiple flights from Puerto Rico to St. Louis for under $300. The cheapest flight booked recently is on Multiple Airlines for just $233, but on average you can expect to pay $295.

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

    There are currently 4+ open flights from Puerto Rico to St. Louis within the next 7 days for less than $300.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $102. Users have also found prices from $109 and $192 on Frontier and American Airlines, respectively.

  • What are the most popular airlines that fly from Puerto Rico to St. Louis?

  • What does SJU to STL mean?

    SJU and STL are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SJU to STL refers to a flight route from San Juan Luis Munoz Marin Intl Airport to Lambert-St Louis Airport. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Aguadilla Borinquen Airport (BQN), Ponce Mercedita Airport (PSE), San Juan Isla Grande Airport (SIG), Culebra Airport (CPX), Vieques Airport (VQS).

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

    The amount of baggage you can bring on your Puerto Rico to St. Louis 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 Puerto Rico to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Puerto Rico to St. Louis 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 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.

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

    Many airlines flying from Puerto Rico to St. Louis 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 Puerto Rico to St. Louis?

    Yes, you can often find last-minute deals on Puerto Rico to St. Louis 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 Puerto Rico to St. Louis flight deals updated?

    The Puerto Rico to St. Louis flight deals you see on this page were last updated on 5/5.

See more FAQs

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Top 5 airlines flying from Puerto Rico to St. Louis

Discover the top 5 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 2,719,943 searches. Data last updated May 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$162Average$292FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$214Average$290FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapest$268Average$490FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$291Average$410FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$316Average$554FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from Puerto Rico to St. Louis by cabin class

Find flights from Puerto Rico to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Puerto Rico to St. Louis?

Cheapflights helps you search for flights from Puerto Rico to St. Louis via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Puerto Rico to St. Louis?

Cheapflights helps you find that perfect flight to St. Louis from Puerto Rico by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Puerto Rico to St. Louis with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Puerto Rico to St. Louis flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Puerto Rico to St. Louis become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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