Cheap flights from San Juan Luis Munoz Marin Intl Airport to St. Louis from $103
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan Luis Munoz Marin Intl Airport to St. Louis departing on 8/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Spirit Airlines flights from San Juan Luis Munoz Marin Intl Airport to St. Louis
Our best Spirit Airlines deals on San Juan Luis Munoz Marin Intl Airport to St. Louis flight tickets
Frontier flights from San Juan Luis Munoz Marin Intl Airport to St. Louis
Our best Frontier deals on San Juan Luis Munoz Marin Intl Airport to St. Louis flight tickets
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How to get the cheapest flight ticket from San Juan Luis Munoz Marin Intl Airport to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to St. Louis?
In general, January is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $286. The month of April is another great option to travel to St. Louis, with average flight prices from San Juan Luis Munoz Marin Intl Airport averaging around $326.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $349. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $695. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from San Juan Luis Munoz Marin Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $282 when looking at flights departing in the evening. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $695 per ticket.
What is the cheapest San Juan Luis Munoz Marin Intl to Lambert-St Louis flight route?
Fly from San Juan Luis Munoz Marin Intl to Lambert-St Louis for the best San Juan Luis Munoz Marin Intl - Lambert-St Louis flight prices
How far in advance should I book a flight to St. Louis?
You are more likely to see cheaper flights to St. Louis from San Juan Luis Munoz Marin Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $409 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from San Juan Luis Munoz Marin Intl Airport for as low as $273 on momondo.
What cabin class options are available on San Juan Luis Munoz Marin Intl to Lambert-St Louis flights?
There are 1 cabin classes available to choose from on San Juan Luis Munoz Marin Intl to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San Juan Luis Munoz Marin Intl to Lambert-St Louis?
Spirit Airlines, United Airlines, and Frontier are the most popular carriers operating from San Juan Luis Munoz Marin Intl to Lambert-St Louis
What airlines fly to St. Louis?
Delta, American Airlines and Frontier are the top three most popular airlines that fly to St. Louis from San Juan Luis Munoz Marin Intl Airport according to our data. Delta is the first choice among our users, with 39% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 5 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Juan Luis Munoz Marin Intl Airport to St. Louis on average per week?
As of June 2025, there are 1 flights per week flying from San Juan Luis Munoz Marin Intl Airport to St. Louis. The most common day of the week flights depart is Sat, with 100% of flights taking off on this day.
When to book flights from San Juan Luis Munoz Marin Intl Airport to St. Louis
Cheap San Juan Luis Munoz Marin Intl Airport to St. Louis (SJU to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Juan Luis Munoz Marin Intl Airport to St. Louis
How far is San Juan Luis Munoz Marin Intl to Lambert-St Louis by plane?
The distance between San Juan Luis Munoz Marin Intl and Lambert-St Louis is about 2011.8 mi. A reasonable flight in good conditions will take 7h 25m.
When did momondo last update prices for flights from San Juan Luis Munoz Marin Intl Airport to Lambert-St Louis Airport?
Prices for flights from San Juan Luis Munoz Marin Intl Airport to Lambert-St Louis Airport refresh daily.
How many operators does momondo search for flights from San Juan Luis Munoz Marin Intl Airport to Lambert-St Louis Airport?
As of June 2025, there are 5 operators available to choose from for flights from San Juan Luis Munoz Marin Intl Airport to Lambert-St Louis Airport.
How old do you have to be to fly from San Juan Luis Munoz Marin Intl Airport to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Juan Luis Munoz Marin Intl Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from San Juan Luis Munoz Marin Intl Airport to St. Louis?
momondo data reveals that the most frequently booked plane model on the route from San Juan Luis Munoz Marin Intl Airport to St. Louis is Boeing 737 MAX 8, representing 27.78% of all bookings. The subsequent popular models are Airbus A321neo at 16.67%, Airbus A321-100/200 at 11.11%, and Airbus A320neo at 5.56%.
What is the most popular airline from San Juan Luis Munoz Marin Intl Airport to St. Louis?
Based on momondo bookings for flights between San Juan Luis Munoz Marin Intl Airport and St. Louis, the leading airline is Delta, making up 38% of the total bookings. Other popular airlines include American Airlines with 35%, Frontier with 13%, and Southwest with 10%.
Best airlines flying from San Juan Luis Munoz Marin Intl Airport to St. Louis
Compare and see reviews for airlines that fly from San Juan Luis Munoz Marin Intl Airport to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $163 | Free Cancellation | Rating 5.9 3,293 reviews | |||
| PriceFrom $244 | Free Cancellation | Rating 8.0 7,969 reviews | |||
| PriceFrom $254 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $255 | Free Cancellation | Rating 7.4 8,852 reviews | |||
| PriceFrom $279 | Free Cancellation | Rating 8.0 4,278 reviews |
Southwest Flights From San Juan Luis Munoz Marin Intl Airport to St. Louis
Southwest flight deals from San Juan Luis Munoz Marin Intl Airport to St. Louis start from $279 round-trip. Over the 1 Southwest flight for this route in a normal week, average airfare is usually $580 round-trip - but some users have found much cheaper deals with momondo.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from San Juan to St. Louis?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from San Juan.
Can I find flights from San Juan to St. Louis with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for San Juan to St. Louis flights to just show those with flexible booking policies.
How can momondo help me find flights from San Juan to St. Louis?
Once all potential San Juan to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from San Juan to St. Louis right now. Can momondo alert me if prices change?
Price alerts on flights to St. Louis from San Juan are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.