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Cheap flights from San Juan Luis Munoz Marin Intl Airport to St. Louis from $83

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Juan Luis Munoz Marin Intl Airport to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:45 pm - 1:10 pmSJU  San Juan Luis Munoz Marin Intl-STL Lambert-St Louis
23h 25m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:44 pm - 12:59 amSTL  Lambert-St Louis-SJU San Juan Luis Munoz Marin Intl
29h 15m1 stop Atlanta Hartsfield-Jackson
$179Frontier
Tue, Sep 29 - Wed, Oct 28
Frontier Logo
5:11 pm - 1:10 pmSJU  San Juan Luis Munoz Marin Intl-STL Lambert-St Louis
20h 59m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
2:29 pm - 4:06 pmSTL  Lambert-St Louis-SJU San Juan Luis Munoz Marin Intl
24h 37m1 stop Atlanta Hartsfield-Jackson
$195Frontier
Thu, Sep 24 - Wed, Sep 30
American Airlines Logo
4:17 pm - 9:18 amSJU  San Juan Luis Munoz Marin Intl-STL Lambert-St Louis
18h 01m1 stop Dallas/Fort Worth
American Airlines Logo
8:15 pm - 2:55 pmSTL  Lambert-St Louis-SJU San Juan Luis Munoz Marin Intl
16h 40m1 stop Chicago O'Hare Intl
$244American Airlines
Fri, Oct 30 - Sun, Nov 15
American Airlines Logo
6:30 am - 9:59 pmSJU  San Juan Luis Munoz Marin Intl-STL Lambert-St Louis
16h 29m1 stop Miami
American Airlines Logo
6:00 am - 10:57 pmSTL  Lambert-St Louis-SJU San Juan Luis Munoz Marin Intl
15h 57m1 stop Philadelphia
$244American Airlines
Tue, Oct 6 - Mon, Oct 12
Delta Logo
2:50 pm - 7:58 pmSJU  San Juan Luis Munoz Marin Intl-STL Lambert-St Louis
6h 08m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:40 pm - 10:19 pmSTL  Lambert-St Louis-SJU San Juan Luis Munoz Marin Intl
7h 39m1 stop Atlanta Hartsfield-Jackson
$376Delta
Sat, Sep 26 - Sat, Oct 3
Southwest Logo
10:10 am - 9:00 pmSJU  San Juan Luis Munoz Marin Intl-STL Lambert-St Louis
11h 50m2 stops Orlando Detroit Metropolitan Wayne County
Southwest Logo
2:30 pm - 12:25 amSTL  Lambert-St Louis-SJU San Juan Luis Munoz Marin Intl
8h 55m2 stops Nashville Intl Orlando
$386Southwest
Thu, Oct 1 - Mon, Oct 5
Southwest Logo
10:10 am - 9:00 pmSJU  San Juan Luis Munoz Marin Intl-STL Lambert-St Louis
11h 50m2 stops Orlando Detroit Metropolitan Wayne County
Southwest Logo
2:30 pm - 12:25 amSTL  Lambert-St Louis-SJU San Juan Luis Munoz Marin Intl
8h 55m2 stops Nashville Intl Orlando
$386Southwest
Thu, Oct 1 - Mon, Oct 5
Delta Logo
5:59 pm - 11:42 pmSJU  San Juan Luis Munoz Marin Intl-STL Lambert-St Louis
6h 43m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:47 am - 10:18 pmSTL  Lambert-St Louis-SJU San Juan Luis Munoz Marin Intl
10h 31m1 stop Atlanta Hartsfield-Jackson
$417Delta
Fri, Oct 2 - Sat, Oct 10
United Airlines Logo
1:00 am - 9:21 pmSJU  San Juan Luis Munoz Marin Intl-STL Lambert-St Louis
21h 21m2 stops Newark Chicago O'Hare Intl
United Airlines Logo
7:30 am - 8:00 pmSTL  Lambert-St Louis-SJU San Juan Luis Munoz Marin Intl
11h 30m1 stop Chicago O'Hare Intl
$462United Airlines
Wed, Oct 21 - Mon, Oct 26
United Airlines Logo
1:05 am - 12:10 pmSJU  San Juan Luis Munoz Marin Intl-STL Lambert-St Louis
12h 05m2 stops Newark Chicago O'Hare Intl
United Airlines Logo
6:00 am - 10:22 pmSTL  Lambert-St Louis-SJU San Juan Luis Munoz Marin Intl
14h 22m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
$466United Airlines
Wed, Oct 28 - Sun, Nov 15

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American Airlines flights from San Juan Luis Munoz Marin Intl Airport to St. Louis

Our best American Airlines deals on San Juan Luis Munoz Marin Intl Airport to St. Louis flight tickets
American Airlines
Oct 6
SJU6:30 amSan Juan Luis Munoz Marin Intl
11h 32m
2 stops
STL5:02 pmLambert-St Louis
Oct 12
STL6:07 pmLambert-St Louis
16h 24m
1 stop
SJU11:31 amSan Juan Luis Munoz Marin Intl
$244
American Airlines
Oct 1
SJU2:58 pmSan Juan Luis Munoz Marin Intl
10h 01m
1 stop
STL11:59 pmLambert-St Louis
Oct 5
STL6:32 amLambert-St Louis
15h 48m
1 stop
SJU11:20 pmSan Juan Luis Munoz Marin Intl
$249
American Airlines
Sep 24
SJU3:41 pmSan Juan Luis Munoz Marin Intl
8h 01m
1 stop
STL10:42 pmLambert-St Louis
Sep 30
STL5:00 amLambert-St Louis
9h 40m
1 stop
SJU3:40 pmSan Juan Luis Munoz Marin Intl
$254

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
Frontier
Sep 29
SJU2:45 pmSan Juan Luis Munoz Marin Intl
23h 25m
1 stop
STL1:10 pmLambert-St Louis
Oct 28
STL6:44 pmLambert-St Louis
29h 15m
1 stop
SJU12:59 amSan Juan Luis Munoz Marin Intl
$179
Frontier
Sep 24
SJU5:11 pmSan Juan Luis Munoz Marin Intl
20h 59m
1 stop
STL1:10 pmLambert-St Louis
Sep 30
STL2:29 pmLambert-St Louis
24h 37m
1 stop
SJU4:06 pmSan Juan Luis Munoz Marin Intl
$195
Frontier
Sep 29
SJU2:45 pmSan Juan Luis Munoz Marin Intl
23h 25m
1 stop
STL1:10 pmLambert-St Louis
Oct 28
STL6:44 pmLambert-St Louis
21h 37m
2 stops
SJU5:21 pmSan Juan Luis Munoz Marin Intl
$209

momondo 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

Cheapest round-trip

San JuanSt. Louis

SJU San Juan Luis Munoz Marin Intl - STL Lambert-St Louis

SJUSTL

San Juan Luis Munoz Marin Intl

Tue 9/29

2:45 pm-1:10 pm

1 stop23h 25m

Lambert-St Louis

Wed 10/28

6:44 pm-12:59 am

1 stop29h 15m

$179

San JuanSt. Louis

SJU San Juan Luis Munoz Marin Intl - STL Lambert-St Louis

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 9/24

5:11 pm-1:10 pm

1 stop20h 59m

Lambert-St Louis

Wed 9/30

2:29 pm-4:06 pm

1 stop24h 37m

$195

San JuanSt. Louis

SJU San Juan Luis Munoz Marin Intl - STL Lambert-St Louis

SJUSTL

San Juan Luis Munoz Marin Intl

Fri 10/30

4:17 pm-9:18 am

1 stop18h 01m

Lambert-St Louis

Sun 11/15

8:15 pm-2:55 pm

1 stop16h 40m

$244

San JuanSt. Louis

SJU San Juan Luis Munoz Marin Intl - STL Lambert-St Louis

SJUSTL

San Juan Luis Munoz Marin Intl

Tue 10/6

6:30 am-9:59 pm

1 stop16h 29m

Lambert-St Louis

Mon 10/12

6:00 am-10:57 pm

1 stop15h 57m

$244
Quickest round-trip

San JuanSt. Louis

SJU San Juan Luis Munoz Marin Intl - STL Lambert-St Louis

SJUSTL

San Juan Luis Munoz Marin Intl

Sat 9/26

2:50 pm-7:58 pm

1 stop6h 08m

Lambert-St Louis

Sat 10/3

1:40 pm-10:19 pm

1 stop7h 39m

$376

San JuanSt. Louis

SJU San Juan Luis Munoz Marin Intl - STL Lambert-St Louis

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 10/1

10:10 am-9:00 pm

2 stops11h 50m

Lambert-St Louis

Mon 10/5

2:30 pm-12:25 am

2 stops8h 55m

$386

San JuanSt. Louis

SJU San Juan Luis Munoz Marin Intl - STL Lambert-St Louis

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 10/1

10:10 am-9:00 pm

2 stops11h 50m

Lambert-St Louis

Mon 10/5

2:30 pm-12:25 am

2 stops8h 55m

$386

San JuanSt. Louis

SJU San Juan Luis Munoz Marin Intl - STL Lambert-St Louis

SJUSTL

San Juan Luis Munoz Marin Intl

Fri 10/2

5:59 pm-11:42 pm

1 stop6h 43m

Lambert-St Louis

Sat 10/10

10:47 am-10:18 pm

1 stop10h 31m

$417

San JuanSt. Louis

SJU San Juan Luis Munoz Marin Intl - STL Lambert-St Louis

SJUSTL

San Juan Luis Munoz Marin Intl

Wed 10/21

1:00 am-9:21 pm

2 stops21h 21m

Lambert-St Louis

Mon 10/26

7:30 am-8:00 pm

1 stop11h 30m

$462

San JuanSt. Louis

SJU San Juan Luis Munoz Marin Intl - STL Lambert-St Louis

SJUSTL

San Juan Luis Munoz Marin Intl

Wed 10/28

1:05 am-12:10 pm

2 stops12h 05m

Lambert-St Louis

Sun 11/15

6:00 am-10:22 pm

2 stops14h 22m

$466

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

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 typical price of a round-trip flight between San Juan Luis Munoz Marin Intl Airport and St. Louis?

Prices are currently low for flights on this route.

Typical prices usually range from $308 to $421.
The lowest price recently found on this route was $179.

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 $248. 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 $346.

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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $739 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $823 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 from San Juan Luis Munoz Marin Intl Airport 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 $434 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 $168 on momondo.

What cabin class options are available on San Juan Luis Munoz Marin Intl Airport to St. Louis flights?

There is only 1 cabin class available to choose from on San Juan Luis Munoz Marin Intl Airport to St. Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Juan Luis Munoz Marin Intl Airport to St. Louis flights?

No. A direct flight is the cheapest option for a flight between San Juan Luis Munoz Marin Intl Airport to St. Louis.

How have San Juan Luis Munoz Marin Intl Airport to St. Louis flight prices changed over time?

As of September 2026, prices for San Juan Luis Munoz Marin Intl Airport to St. Louis flights are approximately 71% more expensive when compared to flights at the same time last year.

When to book flights from San Juan Luis Munoz Marin Intl Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from San Juan Luis Munoz Marin Intl Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$83

Fastest flight time

9h 43m

Direct flights

Sun

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from San Juan Luis Munoz Marin Intl Airport in the past 72 hours is $83. The best round-trip flight deal from San Juan Luis Munoz Marin Intl Airport to St. Louis found on momondo in the last 72 hours is $179.
The fastest flight from San Juan Luis Munoz Marin Intl Airport to St. Louis takes 9h 43m
Direct flights go from San Juan Luis Munoz Marin Intl Airport to St. Louis on Sunday. There are no airlines offering direct flights.
There is 1 airport in St. Louis. From San Juan Luis Munoz Marin Intl Airport there are direct flights to Lambert-St Louis (STL).
Search flight deals

Frequently asked questions about flying 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 9h 43m.

  • 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?

  • 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?

  • What is the most popular airline from San Juan Luis Munoz Marin Intl Airport to St. Louis?

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
FrontierPriceFrom $84Free CancellationRating
5.6
2,615 reviews
Search Frontier flights
American AirlinesPriceFrom $225Free CancellationRating
7.1
12,041 reviews
Search American Airlines flights
DeltaPriceFrom $336Free CancellationRating
7.8
8,553 reviews
Search Delta flights
SouthwestPriceFrom $336Free CancellationRating
8.0
4,199 reviews
Search Southwest flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Maryland Heights
St. Peters
Alton
Collinsville
Florissant
Hermann
O'Fallon
Clayton
Farmington
Fenton
Festus
Wentzville
Edwardsville
Eureka
Litchfield
Grafton
Waterloo

Why 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.

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