What are the cheapest airlines flying from San Juan Luis Munoz Marin Intl Airport to St. Louis round-trip?

Spirit Airlines, at $212, was found to be the cheapest airline from San Juan Luis Munoz Marin Intl Airport to St. Louis.Alternate airlines to your destination round-trip include American Airlines and Frontier. These flights start at 48% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from San Juan Luis Munoz Marin Intl Airport to St. Louis one-way?

$105 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on American Airlines and Frontier, with prices starting from $131 and $149, respectively.

What is the cheapest day to fly from San Juan Luis Munoz Marin Intl Airport to St. Louis?

Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to St. Louis flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from San Juan Luis Munoz Marin Intl Airport to St. Louis?

The most popular airlines flying from San Juan Luis Munoz Marin Intl Airport to St. Louis are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from San Juan Luis Munoz Marin Intl Airport to St. Louis?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 113% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to St. Louis?

January can be a great time to fly to St. Louis from San Juan Luis Munoz Marin Intl Airport with a flight ticket averaging about $408. Cheapflights users have found deals in the month of January for as cheap as $127. The most expensive prices can be found in the month of June.

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 FlightHub the most. FlightHub 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.

What airport do you fly into for flights to St. Louis from San Juan Luis Munoz Marin Intl?

If you book a flight to St. Louis from San Juan Luis Munoz Marin Intl, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from San Juan Luis Munoz Marin Intl to Lambert-St Louis per day from 5 different airlines.

Can I find deals for flights from Luis Munoz Marin Intl to St. Louis that include hotel bookings?

Yes. In addition to deals on Luis Munoz Marin Intl to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Luis Munoz Marin Intl to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luis Munoz Marin Intl to St. Louis.

Can I find deals for business class flights from Luis Munoz Marin Intl to St. Louis?

Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$105+ Flights from San Juan Luis Munoz Marin Intl Airport to St. Louis

Q: How far in advance should I book a flight from San Juan Luis Munoz Marin Intl Airport to St. Louis?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 59 days in advance, which can save you up to 52% on flights from San Juan Luis Munoz Marin Intl Airport to St. Louis compared to booking the week you need them. Waiting 59 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 $302. For sooner than that we have options available in the next 3 days from $302.

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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 February, 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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$212 (CheapOair)
One-way from	$105 (Southwest)
Popular in	June
Cheapest in	January
Average price	$368

Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-Lambert-St Louis flights.

Search Deals

From San Juan Luis Munoz Marin Intl to Lambert-St Louis

Search Deals

One-way flight from San Juan Luis Munoz Marin Intl to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($48 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

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Find flight deals from Luis Munoz Marin Intl to St. Louis

Cheapest flights from Luis Munoz Marin Intl to St. Louis
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 March 28, 2025.

Fri 5/98:12 pmSJU - STL

1 stop14h 03mSpirit Airlines

Sun 5/1110:10 amSTL - SJU

1 stop7h 57mSpirit Airlines

Deal found 3/27

$212

Thu 5/83:56 amSJU - STL

1 stop21h 18mMultiple Airlines

Sun 5/1110:10 amSTL - SJU

1 stop7h 57mMultiple Airlines

Deal found 3/27

$276

Thu 8/215:30 amSJU - STL

1 stop9h 34mAmerican Airlines

Thu 8/289:50 amSTL - SJU

1 stop12h 10mAmerican Airlines

Deal found 3/27

$286

Thu 4/32:12 pmSJU - STL

1 stop10h 34mFrontier

Sun 4/64:57 pmSTL - SJU

1 stop8h 12mFrontier

Deal found 3/27

$296

Tue 6/172:05 amSJU - STL

1 stop9h 34mUnited Airlines

Sat 7/58:00 amSTL - SJU

2 stops12h 24mUnited Airlines

Deal found 3/27

$416

Mon 6/165:47 pmSJU - STL

1 stop6h 55mDelta

Sat 7/53:43 pmSTL - SJU

1 stop6h 08mDelta

Deal found 3/27

$464

Sat 11/88:50 amSJU - STL

Nonstop5h 10mSouthwest

Sat 11/158:25 amSTL - SJU

Nonstop4h 20mSouthwest

Deal found 3/27

$476

Best flights from Luis Munoz Marin Intl to St. Louis
Discover carefully curated flight deals from Luis Munoz Marin Intl to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Fri 5/98:12 pmSJU - STL

1 stop14h 03mSpirit Airlines

Sun 5/1110:10 amSTL - SJU

1 stop7h 57mSpirit Airlines

Deal found 3/27

$212

Thu 5/83:56 amSJU - STL

1 stop21h 18mMultiple Airlines

Sun 5/1110:10 amSTL - SJU

1 stop7h 57mMultiple Airlines

Deal found 3/27

$276

Thu 8/215:30 amSJU - STL

1 stop9h 34mAmerican Airlines

Thu 8/289:50 amSTL - SJU

1 stop12h 10mAmerican Airlines

Deal found 3/27

$286

Fri 4/189:37 pmSJU - STL

1 stop27h 09mFrontier

Tue 4/225:41 pmSTL - SJU

1 stop25h 41mFrontier

Deal found 3/27

$308

Wed 6/186:15 amSJU - STL

1 stop9h 23mDelta

Sat 7/53:43 pmSTL - SJU

1 stop6h 08mDelta

Deal found 3/27

$326

Tue 6/172:05 amSJU - STL

1 stop9h 34mUnited Airlines

Sat 7/58:00 amSTL - SJU

2 stops12h 24mUnited Airlines

Deal found 3/27

$416

Sat 5/177:05 amSJU - STL

1 stop10h 00mSouthwest

Sat 5/311:25 pmSTL - SJU

Nonstop4h 25mSouthwest

Deal found 3/27

$548

Last-minute flights from Luis Munoz Marin Intl to St. Louis
Discover last-minute flight deals from Luis Munoz Marin Intl to St. Louis. Data last updated March 28, 2025 and is based on user searches.

Sun 3/3010:15 pmSJU - STL

1 stop11h 00mSouthwest

Tue 4/14:00 pmSTL - SJU

2 stops7h 10mSouthwest

Deal found 3/26

$675

Wed 4/21:05 amSJU - STL

2 stops14h 37mUnited Airlines

Sun 4/66:30 amSTL - SJU

2 stops13h 08mUnited Airlines

Deal found 3/27

$770

Thu 4/32:12 pmSJU - STL

1 stop10h 34mFrontier

Sun 4/64:57 pmSTL - SJU

1 stop8h 12mFrontier

Deal found 3/27

$296

Thu 4/31:25 pmSJU - STL

2 stops9h 53mAmerican Airlines

Sun 4/67:19 amSTL - SJU

2 stops8h 55mAmerican Airlines

Deal found 3/27

$575

Tue 4/151:05 amSJU - STL

2 stops10h 58mUnited Airlines

Tue 4/296:30 amSTL - SJU

2 stops13h 08mUnited Airlines

Deal found 3/27

$437

Wed 4/165:59 pmSJU - STL

1 stop24h 16mSpirit Airlines

Tue 4/296:10 pmSTL - SJU

1 stop20h 25mSpirit Airlines

Deal found 3/27

$257

Wed 4/165:59 pmSJU - STL

3 stops25h 42mMultiple Airlines

Tue 4/296:10 pmSTL - SJU

1 stop20h 25mMultiple Airlines

Deal found 3/27

$317

Wed 4/166:05 amSJU - STL

1 stop14h 24mAmerican Airlines

Tue 4/295:26 amSTL - SJU

1 stop8h 01mAmerican Airlines

Deal found 3/26

$355

One-way flights from Luis Munoz Marin Intl to St. Louis
Search for one-way flight options from Luis Munoz Marin Intl to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Sat 4/267:50 amSJU - STL

1 stop10h 40mSouthwest

Deal found 3/26

$105

Sat 5/101:30 pmSJU - STL

2 stops21h 19mAmerican Airlines

Deal found 3/27

$131

Tue 5/133:56 amSJU - STL

1 stop21h 10mFrontier

Deal found 3/27

$149

Wed 5/147:45 amSJU - STL

1 stop8h 02mUnited Airlines

Deal found 3/27

$150

Mon 4/142:40 pmSJU - STL

2 stops27h 35mSpirit Airlines

Deal found 3/25

$154

Fri 5/165:43 pmSJU - STL

1 stop6h 55mDelta

Deal found 3/27

$157

Sat 4/266:38 pmSJU - STL

3 stops23h 07mMultiple Airlines

Deal found 3/26

$223

Cheapflights Fare Finder

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

Fri 5/9

8:12 pm-9:15 am

1 stop14h 03m

Lambert-St Louis

Sun 5/11

10:10 am-7:07 pm

1 stop7h 57m

$212

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 5/8

3:56 am-12:14 am

1 stop21h 18m

Lambert-St Louis

Sun 5/11

10:10 am-7:07 pm

1 stop7h 57m

$276

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 8/21

5:30 am-2:04 pm

1 stop9h 34m

Lambert-St Louis

Thu 8/28

9:50 am-11:00 pm

1 stop12h 10m

$286

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Fri 4/18

9:37 pm-11:46 pm

1 stop27h 09m

Lambert-St Louis

Tue 4/22

5:41 pm-8:22 pm

1 stop25h 41m

$308

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Wed 6/18

6:15 am-2:38 pm

1 stop9h 23m

Lambert-St Louis

Sat 7/5

3:43 pm-10:51 pm

1 stop6h 08m

$326

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Tue 6/17

2:05 am-10:39 am

1 stop9h 34m

Lambert-St Louis

Sat 7/5

8:00 am-9:24 pm

2 stops12h 24m

$416

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Sat 5/17

7:05 am-4:05 pm

1 stop10h 00m

Lambert-St Louis

Sat 5/31

1:25 pm-6:50 pm

Nonstop4h 25m

$548

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Tue 5/6

5:25 am-8:58 pm

1 stop16h 33m

$105

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Tue 5/13

3:56 am-12:06 am

1 stop21h 10m

$149

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Wed 5/14

7:45 am-2:47 pm

1 stop8h 02m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 13 results

Compare providers for flights from Luis Munoz Marin Intl to St. Louis

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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 FlightHub the most. FlightHub 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.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

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?

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

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

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

Read reviews from past customers who have flown Southwest, Delta and United Airlines 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.

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.1

Very good

4,273 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,896 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,603 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Spirit Airlines

6.3

Okay

7,881 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

What airport do you fly into for flights to St. Louis from San Juan Luis Munoz Marin Intl?
If you book a flight to St. Louis from San Juan Luis Munoz Marin Intl, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from San Juan Luis Munoz Marin Intl to Lambert-St Louis per day from 5 different airlines.
What are the cheapest airlines flying from San Juan Luis Munoz Marin Intl Airport to St. Louis round-trip?
Spirit Airlines, at $212, was found to be the cheapest airline from San Juan Luis Munoz Marin Intl Airport to St. Louis.Alternate airlines to your destination round-trip include American Airlines and Frontier. These flights start at 48% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from San Juan Luis Munoz Marin Intl Airport to St. Louis one-way?
$105 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on American Airlines and Frontier, with prices starting from $131 and $149, respectively.
Can I find deals for flights from Luis Munoz Marin Intl to St. Louis that include hotel bookings?
Yes. In addition to deals on Luis Munoz Marin Intl to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Luis Munoz Marin Intl to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luis Munoz Marin Intl to St. Louis.
Can I find deals for business class flights from Luis Munoz Marin Intl to St. Louis?
Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
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.

See more FAQs

Fenton

Fairview Heights

Maryland Heights

Collinsville

Wentzville

Eureka

St. Peters

Festus

Glencoe

Alton

Farmington

Chesterfield

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Other flights to St. Louis

Top 5 airlines flying from Luis Munoz Marin Intl to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$163	Average$235	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$244	Average$375	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$255	Average$530	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$255	Average$430	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$279	Average$554	FlexibilityNo cancel fee	On-time63%

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$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 5/6. 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

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Lambert-St Louis are usually found in January or February, 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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 March 28, 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 March 28, 2025.

Cheapflights Fare Finder

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.

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 March.

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 March 21, 2025.

What is the cheapest month to book a flight from San Juan Luis Munoz Marin Intl Airport to St. Louis?

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 March 28, 2025.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown Southwest, Delta and United Airlines 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.

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.

What airport do you fly into for flights to St. Louis from San Juan Luis Munoz Marin Intl?

What are the cheapest airlines flying from San Juan Luis Munoz Marin Intl Airport to St. Louis round-trip?

What are the cheapest airlines to fly from San Juan Luis Munoz Marin Intl Airport to St. Louis one-way?

Can I find deals for flights from Luis Munoz Marin Intl to St. Louis that include hotel bookings?

How can I find direct flights from Luis Munoz Marin Intl to St. Louis?

Can I find deals for business class flights from Luis Munoz Marin Intl to St. Louis?

What is the cheapest month to book a flight from San Juan Luis Munoz Marin Intl Airport to St. Louis?

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Browse 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

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Cheapest flights from Luis Munoz Marin Intl to St. Louis
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 March 28, 2025.