Cheap flights from St. Louis (STL) to Luis Munoz Marin Intl (SJU)
How to find the cheapest flight from St. Louis to Luis Munoz Marin Intl
All the information you need to plan the best STL to SJU flight in 2022: compare St. Louis to Luis Munoz Marin Intl flight prices with the expected peak season, weather and rainfall in Luis Munoz Marin Intl.
STL - SJU Price | $336 - $655 |
|---|---|
SJU Temperature | 77 - 82.4 °F |
SJU Rainfall | 2.2 - 6.1 inches |
| Popular in | December | High demand for flights, 40% potential price rise |
|---|---|---|
| Cheapest in | August | Best time to find cheap flights, 14% potential price drop |
| Round-trip from | $336 | From Lambert-St Louis to San Juan Luis Munoz Marin Intl |
| One-way from | $270 | One-way flight from Lambert-St Louis to San Juan Luis Munoz Marin Intl |
How far in advance should I book a flight from St. Louis to San Juan Luis Munoz Marin Intl Airport?
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 15 days in advance, which can save you up to 1% on flights from St. Louis to San Juan Luis Munoz Marin Intl Airport compared to booking the week you need them. Waiting 15 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 $333. For sooner than that we have options available in the next 3 days from $342.
What is the cheapest month to fly from St. Louis to San Juan Luis Munoz Marin Intl Airport?
August is one of the best times of the year to fly to San Juan Luis Munoz Marin Intl Airport from St. Louis. Prices for August average $391 per person but you can even find prices for as low as $165. The most expensive prices can be found in the month of December. Opting for a August flight can save you 67% on your journey compared to booking in December
When is the cheapest time to fly from St. Louis to San Juan Luis Munoz Marin Intl Airport (STL - SJU)?
When flying from St. Louis to San Juan Luis Munoz Marin Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Cheap flights from St. Louis to Luis Munoz Marin Intl in May, June 2022
The best prices found for STL to SJU flights for May, June
Lambert-St Louis
San Juan Luis Munoz Marin Intl
1 stop
10h 55mSan Juan Luis Munoz Marin Intl
Lambert-St Louis
1 stop
8h 18mSpirit Airlines
Lambert-St Louis
San Juan Luis Munoz Marin Intl
2 stops
13h 22mSan Juan Luis Munoz Marin Intl
Lambert-St Louis
1 stop
20h 02mFrontier
Lambert-St Louis
San Juan Luis Munoz Marin Intl
1 stop
7h 12mSan Juan Luis Munoz Marin Intl
Lambert-St Louis
1 stop
20h 02mMultiple Airlines
St. Louis to Luis Munoz Marin Intl 2022 flight deals
Cheap flights to Luis Munoz Marin Intl from St. Louis found for this year
Lambert-St Louis
San Juan Luis Munoz Marin Intl
1 stop
7h 18mSan Juan Luis Munoz Marin Intl
Lambert-St Louis
1 stop
8h 17mSpirit Airlines
Lambert-St Louis
San Juan Luis Munoz Marin Intl
1 stop
30h 28mSan Juan Luis Munoz Marin Intl
Lambert-St Louis
1 stop
7h 55mFrontier
Lambert-St Louis
San Juan Luis Munoz Marin Intl
1 stop
12h 51mSan Juan Luis Munoz Marin Intl
Lambert-St Louis
1 stop
7h 55mMultiple Airlines
Cheap American Airlines flights from St. Louis to Luis Munoz Marin Intl
Lambert-St Louis
San Juan Luis Munoz Marin Intl
1 stop
8h 48mSan Juan Luis Munoz Marin Intl
Lambert-St Louis
1 stop
14h 39mAmerican Airlines
Lambert-St Louis
San Juan Luis Munoz Marin Intl
2 stops
9h 51mSan Juan Luis Munoz Marin Intl
Lambert-St Louis
1 stop
10h 59mAmerican Airlines
Lambert-St Louis
San Juan Luis Munoz Marin Intl
2 stops
17h 52mSan Juan Luis Munoz Marin Intl
Lambert-St Louis
1 stop
10h 43mAmerican Airlines
Cheap Frontier flights from St. Louis to Luis Munoz Marin Intl
Lambert-St Louis
San Juan Luis Munoz Marin Intl
1 stop
30h 28mSan Juan Luis Munoz Marin Intl
Lambert-St Louis
1 stop
7h 55mFrontier
Lambert-St Louis
San Juan Luis Munoz Marin Intl
1 stop
30h 28mSan Juan Luis Munoz Marin Intl
Lambert-St Louis
1 stop
20h 02mFrontier
Lambert-St Louis
San Juan Luis Munoz Marin Intl
2 stops
13h 22mSan Juan Luis Munoz Marin Intl
Lambert-St Louis
1 stop
20h 02mFrontier
Last minute flights from St. Louis to Luis Munoz Marin Intl
Late deals on return flights to Luis Munoz Marin Intl from St. Louis, departing today and this week
Lambert-St Louis
San Juan Luis Munoz Marin Intl
2 stops
37h 09mSan Juan Luis Munoz Marin Intl
Lambert-St Louis
1 stop
8h 18mSpirit Airlines
Lambert-St Louis
San Juan Luis Munoz Marin Intl
2 stops
37h 09mSan Juan Luis Munoz Marin Intl
Lambert-St Louis
2 stops
24h 08mSpirit Airlines
Lambert-St Louis
San Juan Luis Munoz Marin Intl
2 stops
37h 09mSan Juan Luis Munoz Marin Intl
Lambert-St Louis
1 stop
20h 02mMultiple Airlines
One-way flights to San Juan Luis Munoz Marin Intl from St. Louis
The cheapest one-way flights from St. Louis to Luis Munoz Marin Intl
Lambert-St Louis
San Juan Luis Munoz Marin Intl
1 stop
6h 41mSpirit Airlines
Lambert-St Louis
San Juan Luis Munoz Marin Intl
1 stop
10h 55mSpirit Airlines
Lambert-St Louis
San Juan Luis Munoz Marin Intl
2 stops
29h 39mSpirit Airlines
Related info for your journey
Useful info, stats and facts about St. Louis to Luis Munoz Marin Intl flights.
What airport do you fly from for flights from St. Louis to San Juan Luis Munoz Marin Intl?
Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to San Juan Luis Munoz Marin Intl. On average, Lambert-St Louis has 0 outbound flights to San Juan Luis Munoz Marin Intl per day from 10 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.
Which airlines flying from Lambert-St Louis to San Juan Luis Munoz Marin Intl have flexible cancellations due to COVID-19?
Some of our airline partners flying from Lambert-St Louis to San Juan Luis Munoz Marin Intl have new flexible policies in place due to COVID-19. American Airlines, Spirit Airlines, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.
Can I find flights from St. Louis to San Juan Luis Munoz Marin Intl Airport for under $400 on Cheapflights?
Yes, there are multiple flights from St. Louis to San Juan Luis Munoz Marin Intl Airport for under $400. The cheapest flight booked recently is on Spirit Airlines for just $348, but on average you can expect to pay $382.
Are there last-minute flights available from St. Louis to San Juan Luis Munoz Marin Intl Airport for under $500?
There are currently 20+ open flights from St. Louis to San Juan Luis Munoz Marin Intl Airport within the next 7 days for less than $500.
What are the cheapest airlines flying from St. Louis to San Juan Luis Munoz Marin Intl Airport round-trip?
According to our current data, Spirit Airlines ($348), and Frontier ($351) offers the cheapest pricing from St. Louis to San Juan Luis Munoz Marin Intl Airport. Spirit Airlines is 11% 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 Luis Munoz Marin Intl Airport one-way?
$183 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on American Airlines and Frontier, with prices starting from $214 and $223, respectively.
What are the most popular airlines that fly from St. Louis to San Juan Luis Munoz Marin Intl Airport?
Consider Major Airline, American Airlines or Alaska Airlines when booking your flight. These represent the most popular airlines when flying from St. Louis to San Juan Luis Munoz Marin Intl Airport.
What are the cheapest flights from St. Louis to San Juan Luis Munoz Marin Intl Airport?
Looking at all options, your cheapest flight can be booked for $105. While the most popular route (Lambert-St Louis - San Juan Luis Munoz Marin Intl) can be booked for $363 on average our data indicates $712 when flying from St. Louis to San Juan Luis Munoz Marin Intl Airport.
Other flights from St. Louis
Flights to Luis Munoz Marin Intl from St. Louis
Can I fly to San Juan Luis Munoz Marin Intl from Lambert-St Louis right now?
Most visitors from Lambert-St Louis can enter San Juan Luis Munoz Marin Intl without restrictions.
COVID-19 testing requirements
Visitors from Lambert-St Louis are not required to present a negative COVID-19 PCR test or antigen result upon entering San Juan Luis Munoz Marin Intl.
Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering San Juan Luis Munoz Marin Intl.
Documents
Travel Declaration Form - Must be completed prior to travel to Puerto Rico.
Can I fly back to Lambert-St Louis from San Juan Luis Munoz Marin Intl?
COVID-19 testing requirements
Visitors from San Juan Luis Munoz Marin Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Lambert-St Louis.
Quarantine requirements
Visitors from San Juan Luis Munoz Marin Intl are not required to quarantine after entering Lambert-St Louis.