Cheap flights from Saint Louis to San Juan
Travel > Caribbean > Puerto Rico > Saint Louis to San Juan flights
Check our current prices for flights from Saint Louis to San Juan. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Saint Louis to San Juan, you will need to run a search below.
Search and Compare cheap Flights

Book your flight now with Cheapoair.com and save!
Cheap San Juan airfares from $197/RT are provided by Cheapoair.com. Outbound flight is leaving on 03/02/2025, 04:00 pm from St. Louis Intl (STL) airport and arrives at San Juan Marin Intl (SJU) at 12:53 am. The flight time is 8 hours and 53 minutes. The Returning flight departes on 03/15/2025, 09:35 pm (other return dates are also available). Date posted: 15 Feb 2025
Price evolution for flights From Saint Louis To San Juan

Recent Deals on Flights from Saint Louis to San Juan:Roundtrip / Oneway
- $197
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) San Juan, PR (SJU) 03/02/2025 04:00 pm San Juan, PR (SJU) Saint Louis, MO (STL) 03/15/2025 09:35 pm - $247
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) San Juan, PR (SJU) 03/02/2025 05:20 pm San Juan, PR (SJU) Saint Louis, MO (STL) 03/15/2025 09:35 pm - $699
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) San Juan, PR (SJU) 03/20/2025 06:47 pm San Juan, PR (SJU) Saint Louis, MO (STL) 03/28/2025 09:37 pm - $754
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) San Juan, PR (SJU) 03/20/2025 05:24 pm San Juan, PR (SJU) Saint Louis, MO (STL) 03/28/2025 07:27 pm - $2185
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) San Juan, AR (UAQ) 03/02/2025 04:40 pm San Juan, AR (UAQ) Saint Louis, MO (STL) 03/09/2025 09:45 pm - $374
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) San Juan, PR (SJU) 03/31/2025 05:24 pm - $1363
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) San Juan, AR (UAQ) 04/19/2025 04:15 pm - $1640
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) San Juan, AR (UAQ) 02/27/2025 04:40 pm
Recently found cheap flight deals
Fort Lauderdale To Havana Multiple Airlines airfares from Fort Lauderdale in August
$721 Depart: 08/16/2019
Return: 08/23/2019
provided by Flightnetwork
Newark To Kingston Air Canada airfares from Newark in May
$504 Depart: 05/28/2017
Return: 06/11/2017
provided by FlightHub
Philadelphia To Memphis Spirit Airlines airfares from Philadelphia in May
$191 Depart: 05/19/2024
Return: 06/03/2024
provided by Cheapoair.com
Omaha To London Lufthansa airfares from Omaha in February
$775 Depart: 02/25/2025
Return: 03/10/2025
provided by Cheapoair.com
Orange County To Siem Reap Singapore Airlines airfares from Orange County in November
$3210 Depart: 11/08/2023
Return: 11/14/2023
provided by Cheapoair.com
Edmonton To Orange County Alaska Airlines airfares from Edmonton in August
$838 Depart: 08/11/2023
Return: 08/25/2023
provided by Cheapoair.com
San Francisco To Niagara Falls Multiple Airlines airfares from San Francisco in October
$373 Depart: 10/26/2024
Return: 11/04/2024
provided by Cheapoair.com
San Francisco To Ithaca Multiple Airlines airfares from San Francisco in October
$770 Depart: 10/29/2019
Return: 11/05/2019
provided by Flightnetwork
Montreal To Beijing Multiple Airlines airfares from Montreal in June
$2276 Depart: 06/28/2024
Return: 08/07/2024
provided by Cheapoair.com
Specify your search details. Browse the cheapest flights from Saint Louis to San Juan, San Juan hotel rooms and Saint Louis to San Juan vacation packages from the most popular providers, airline consolidators and travel search engines.
Know what to do when flying to San Juan?
San Juan Travel Guide Located in the Caribbean, in the Northern Coastal Plains of the island Puerto Rico, San Juan is the capital of this island. Known as "La Ciudad Amurallada" (the walled city), San Juan is an important port and also the oldest city in [...]San Juan History San Juan, also known as “La Ciudad Amurallada”, occupies a land of 122 square kilometer and houses 442,447 inhabitants. The city is positioned in the Northern Coastal Plains and lying under the Karsts zone to the north of Caguas and [...]
San Juan Sightseeing Once you set foot on the soil of San Juan, you will feel as if you were taken back 500 years ago in 1508. In this city, you will experience firsthand what Latin American culture really is like. Though covered by a wall, San Juan never fails to [...]
San Juan Nightlife Like most cities, the San Juan night scene also comes alive during the weekends. Clubs, bars, discos and a lot more are to be found here. Whatever your action is, there is surely something for you in San Juan. The majority of those who go out [...]