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Uncover the best deals on St Louis to San Juan flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest STL - SJU Flights
Useful information for finding best airline tickets from Lambert St Louis International to Luis Munoz Marin International on your next trip.
Cheapest Round Trip Flight
$457
Southwest Airlines
• 1 stop
• 15h 10m
Oct 20 – Oct 26
The cheapest round trip flight from St Louis to San Juan (STL-SJU-STL) is currently $457
Fastest Flight
12h 30m
The fastest nonstop flight from St Louis to San Juan (STL-SJU) takes 12h 30m
Top Airlines Flying from St Louis to San Juan
Latest Flight Deals from St Louis (STL) to San Juan (SJU)
Compare and book low fare round-trip air tickets from St Louis to San Juan. Ideal for travelers with confirmed return itineraries.
Oct 20 - Oct 26, Economy
St Louis → San Juan
15h 10m
10:25 AM - 8:35 PM • 1 stop
St Louis → San Juan
19h
6:30 AM - 5:10 PM • 3 stops
Southwest Airlines
Oct 20 - Oct 26, Economy
St Louis → San Juan
12h 30m
3:00 PM - 11:50 PM • 1 stop
St Louis → San Juan
36h 50m
10:50 PM - 8:00 PM • 2 stops
Southwest Airlines
Oct 20 - Oct 26, Economy
St Louis → San Juan
28h 20m
5:50 AM - 11:50 PM • 3 stops
St Louis → San Juan
36h 50m
10:50 PM - 8:00 PM • 2 stops
Southwest Airlines
Oct 20 - Oct 26, Economy
St Louis → San Juan
17h 15m
10:20 AM - 9:55 PM • 1 stop
St Louis → San Juan
15h 50m
10:50 PM - 7:40 AM • 1 stop
Southwest Airlines
Oct 20 - Oct 26, Economy
St Louis → San Juan
23h 40m
8:30 AM - 11:50 PM • 2 stops
St Louis → San Juan
14h 10m
1:05 PM - 8:55 PM • 1 stop
Southwest Airlines
FAQs on St Louis to San Juan Flights
What are the airports in St Louis?
STL
What’s the most popular airline flying from STL to SJU?
The most popular airline flying from St Louis to San Juan are
Can I fly from STL to SJU non-stop?
NO
Which airlines fly nonstop between St Louis and San Juan?
The non-stop flights between St Louis and San Juan are .
What’s the earliest departure time from STL to SJU Airport?
The earliest flight leaves STL at 5:45 am and lands in SJU - Luis Munoz Marin International
What are the airports in San Juan?
SJU
Can I make changes to my St Louis to San Juan flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from STL to SJU?
Read the fare rules of the St Louis to San Juan air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from St Louis and San Juan?
operate flights between St Louis and San Juan
How long does a flight from St Louis to San Juan take?
It takes approximately 5 hour to fly non-stop from STL to SJU, which is 2024.49 miles by air.
Which airlines provide the cheapest flights from St Louis (STL) to San Juan (SJU) ?
In the past couple of days, the cheapest tickets to SJU from STL were found on WN : USD 465
Do I need a passport to fly between STL and SJU?
Yes
What’s the latest departure time from STL to SJU ?
The last flight leaves STL at 3:00 pm
St Louis (STL) to San Juan (SJU): Airport Information
| Origin Airport | Lambert St Louis International , St Louis, US |
| Destination Airport | Luis Munoz Marin International , San Juan, PR |
| Distance | 2024 miles |
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