$105+ Cheap flights from Luis Munoz Marin Intl (SJU) 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Luis Munoz Marin Intl to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Lambert-St Louis are usually found in January or April, booked 65 days in advance, depart on a Tuesday or Thursday and return on a Wednesday
Cheap flight deals from Luis Munoz Marin Intl to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) 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 April 30, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $245 (Delta) |
One-way from | $105 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $324 |
Good one-way deal | $181 or less |
Find flight deals from Luis Munoz Marin Intl to St. Louis
Cheapest flights from Luis Munoz Marin Intl to St. LouisExplore the most affordable flight options available from Luis Munoz Marin Intl to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.
Explore the most affordable flight options available from Luis Munoz Marin Intl to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.
This Delta deal was found by Cheapflights users on 4/29. 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.
This American Airlines deal was found by Cheapflights users on 4/28. 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.
This Frontier deal was found by Cheapflights users on 4/29. 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.
This Priceline deal was found by Cheapflights users on 4/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 4/28. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 4/28. 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.
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from Luis Munoz Marin Intl 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 2,558,603 searches. Data last updated April 30, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Thu 8/21
12:56 pm-8:47 pm
1 stop8h 51m
Lambert-St Louis
Tue 8/26
6:00 am-1:29 pm
1 stop6h 29m
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Thu 8/21
8:00 am-11:55 pm
1 stop16h 55m
Lambert-St Louis
Tue 8/26
6:00 am-10:55 pm
1 stop15h 55m
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Fri 5/9
2:34 pm-12:14 am
1 stop10h 40m
Lambert-St Louis
Tue 5/13
5:45 pm-2:51 am
1 stop8h 06m
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Fri 5/9
2:34 pm-12:14 am
1 stop10h 40m
Lambert-St Louis
Sun 5/11
10:10 am-7:07 pm
1 stop7h 57m
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Wed 8/20
1:05 am-2:33 pm
2 stops14h 28m
Lambert-St Louis
Tue 8/26
6:35 am-2:44 pm
1 stop7h 09m
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Thu 7/10
5:41 pm-7:49 am
1 stop15h 08m
Lambert-St Louis
Sun 7/13
8:44 am-4:46 pm
1 stop7h 02m
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Thu 7/31
5:00 am-1:10 pm
2 stops9h 10m
Lambert-St Louis
Tue 8/12
8:40 am-7:45 pm
2 stops10h 05m
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Tue 5/13
2:50 pm-11:59 pm
2 stops34h 09m
Lambert-St Louis
Sat 5/17
6:30 am-5:12 am
2 stops21h 42m
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Thu 5/29
7:30 am-2:35 pm
1 stop8h 05m
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Fri 5/30
8:12 pm-9:15 am
1 stop14h 03m
Compare providers for flights from Luis Munoz Marin Intl to St. Louis
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Luis Munoz Marin Intl to St. Louis in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Juan Luis Munoz Marin Intl Airport-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Luis Munoz Marin Intl to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Luis Munoz Marin Intl with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Juan Luis Munoz Marin Intl Airport to St. Louis
How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to St. Louis?
Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to St. Louis. Price data was last updated on April 25, 2025.
The price you pay for your flight from San Juan Luis Munoz Marin Intl Airport to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Juan Luis Munoz Marin Intl Airport to St. Louis?
Currently, August is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to St. Louis (average of $311). Flying from San Juan Luis Munoz Marin Intl Airport to St. Louis in March is currently the most expensive (average of $356). 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 SJU to STL?
Find hourly flight availability from Luis Munoz Marin Intl 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 April 30, 2025.
One of the essential ways to save on airfare from San Juan Luis Munoz Marin Intl Airport to St. Louis is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 63% on airfare.
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 April 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from San Juan to St. Louis. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Boarding
Overall
Comfort
Crew
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Food
Boarding
Overall
Comfort
Crew
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Food
Boarding
Overall
Comfort
Crew
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Food
Boarding
Overall
Comfort
Crew
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Food
Boarding
Overall
Comfort
Crew
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Food
Boarding
Overall
Comfort
Crew
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Related info for your journey
Find useful and relevant information for your journey from Luis Munoz Marin Intl to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Juan Luis Munoz Marin Intl Airport?
Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locationsBrowse 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 Luis Munoz Marin Intl to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Luis Munoz Marin Intl to St. Louis
Discover the top 4 airlines that operate flights from Luis Munoz Marin Intl 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 2,558,603 searches. Data last updated April 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$163 | Average$228 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$244 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$255 | Average$424 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$279 | Average$573 | FlexibilityNo cancel fee | On-time63% |