Cheap flights from San Juan to St. Louis (STL)

SJU — STL
Dec 3 — Dec 101

How to find the cheapest flight from San Juan to St. Louis (STL)

All the information you need to plan the best PR1 to STL flight in 2022: compare San Juan to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.

SJU - STL

Price

$200 - $504

STL

Temperature

32 - 80.6 °F

STL

Rainfall

2.2 - 4.7 inches

Popular inMayHigh demand for flights, 22% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 49% potential price drop
Round-trip from$200From San Juan to Lambert-St Louis
One-way from$177One-way flight from San Juan to Lambert-St Louis

How far in advance should I book a flight from San Juan 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 33 days in advance, which can save you up to 28% on flights from San Juan to St. Louis compared to booking the week you need them. Waiting 33 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 $383. For sooner than that we have options available in the next 3 days from $484.

What is the cheapest month to fly from San Juan to St. Louis?

January can be a great time to fly to St. Louis from San Juan with a flight ticket averaging about $396. Cheapflights users have found deals in the month of January for as cheap as $177. The most expensive prices can be found in the month of May.

When is the cheapest time to fly from San Juan to St. Louis (SJU - STL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Juan to St. Louis as you normally would.

Cheap flights from San Juan to St. Louis in November, December 2022

The best prices found for San Juan to STL flights for November, December
Dec 12 - Dec 14
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

1 stop

8h 25m
STL

Lambert-St Louis

SJU

San Juan Luis Munoz Marin Intl

1 stop

6h 47m
$189

Spirit Airlines

Pick Dates

Deal found 11/27

Dec 8 - Dec 14
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

1 stop

7h 45m
STL

Lambert-St Louis

SJU

San Juan Luis Munoz Marin Intl

1 stop

8h 15m
$202

Multiple Airlines

Pick Dates

Deal found 11/27

Dec 9 - Dec 14
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

1 stop

19h 55m
STL

Lambert-St Louis

SJU

San Juan Luis Munoz Marin Intl

1 stop

14h 13m
$218

Frontier

Pick Dates

Deal found 11/27

San Juan to St. Louis 2022 flight deals

Cheap flights to St. Louis from San Juan found for this year
Dec 12 - Dec 14
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

1 stop

8h 25m
STL

Lambert-St Louis

SJU

San Juan Luis Munoz Marin Intl

1 stop

6h 47m
$189

Spirit Airlines

Pick Dates

Deal found 11/27

Dec 8 - Dec 14
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

1 stop

7h 45m
STL

Lambert-St Louis

SJU

San Juan Luis Munoz Marin Intl

1 stop

8h 15m
$202

Multiple Airlines

Pick Dates

Deal found 11/27

Dec 9 - Dec 14
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

1 stop

19h 55m
STL

Lambert-St Louis

SJU

San Juan Luis Munoz Marin Intl

1 stop

14h 13m
$218

Frontier

Pick Dates

Deal found 11/27

Cheap Spirit Airlines flights from San Juan to St. Louis

Dec 4 - Dec 6
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

1 stop

8h 38m
STL

Lambert-St Louis

SJU

San Juan Luis Munoz Marin Intl

2 stops

20h 39m
$279

Spirit Airlines

Pick Dates

Deal found 11/26

Dec 4 - Dec 6
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

2 stops

16h 28m
STL

Lambert-St Louis

SJU

San Juan Luis Munoz Marin Intl

2 stops

20h 39m
$316

Spirit Airlines

Pick Dates

Deal found 11/26

Dec 8 - Dec 12
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

3 stops

27h 45m
STL

Lambert-St Louis

SJU

San Juan Luis Munoz Marin Intl

1 stop

12h 50m
$323

Spirit Airlines

Pick Dates

Deal found 11/28

Cheap United Airlines flights from San Juan to St. Louis

Dec 7 - Dec 12
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

2 stops

12h 45m
STL

Lambert-St Louis

SJU

San Juan Luis Munoz Marin Intl

2 stops

21h 21m
$502

United Airlines

Pick Dates

Deal found 11/28

Dec 7 - Dec 12
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

2 stops

15h 34m
STL

Lambert-St Louis

SJU

San Juan Luis Munoz Marin Intl

1 stop

17h 29m
$531

United Airlines

Pick Dates

Deal found 11/28

Dec 7 - Dec 12
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

1 stop

12h 09m
STL

Lambert-St Louis

SJU

San Juan Luis Munoz Marin Intl

1 stop

17h 29m
$550

United Airlines

Pick Dates

Deal found 11/28

Last minute flights from San Juan to St. Louis

Late deals on return flights to St. Louis from San Juan, departing today and this week
Dec 8 - Dec 14
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

1 stop

7h 45m
STL

Lambert-St Louis

SJU

San Juan Luis Munoz Marin Intl

1 stop

8h 15m
$202

Multiple Airlines

Pick Dates

Deal found 11/27

Dec 4 - Dec 6
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

1 stop

19h 55m
STL

Lambert-St Louis

SJU

San Juan Luis Munoz Marin Intl

1 stop

14h 09m
$223

Multiple Airlines

Pick Dates

Deal found 11/26

Dec 8 - Dec 12
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

1 stop

19h 55m
STL

Lambert-St Louis

SJU

San Juan Luis Munoz Marin Intl

1 stop

21h 15m
$229

Frontier

Pick Dates

Deal found 11/28

One-way flights to St. Louis from San Juan

The cheapest one-way flights from San Juan to St. Louis
Jan 13
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

1 stop

8h 13m
$95

Spirit Airlines

Pick Dates

Deal found 11/27

Jan 31
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

1 stop

8h 06m
$96

Spirit Airlines

Pick Dates

Deal found 11/26

Jan 30
SJU

San Juan Luis Munoz Marin Intl

STL

Lambert-St Louis

1 stop

30h 45m
$101

Frontier

Pick Dates

Deal found 11/26

Related info for your journey

Useful info, stats and facts about San Juan to St. Louis flights.

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

Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to St. Louis from San Juan. Booking flights from San Juan to Lambert-St Louis (STL) should be relatively easy as there are 0 daily inbound flights from San Juan from 6 different airlines.

Which airlines flying from San Juan to Lambert-St Louis have flexible cancellations due to COVID-19?

Some of our airline partners flying from San Juan to Lambert-St Louis have new flexible policies in place due to COVID-19. American Airlines, Spirit Airlines, and Frontier are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Are there last-minute flights available from San Juan to St. Louis for under $300?

There are currently 20+ open flights from San Juan to St. Louis within the next 7 days for less than $300.

What are the most popular airlines that fly from San Juan to St. Louis?

American Airlines, Delta and Frontier are the most popular airlines when flying from San Juan to St. Louis.

What are the cheapest flights from San Juan to St. Louis?

While on average a flight from San Juan to St. Louis is generally $312, our data shows the cheapest flight currently is $104. When looking at the most popular route, (San Juan Luis Munoz Marin Intl - Lambert-St Louis), you can expect to pay $189 for that flight.

Top 6 airlines flying from San Juan to St. Louis

The chart below displays the airlines Cheapflights users traveling from San Juan to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$16Average$24FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
FrontierCheapest$98Average$301FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
Spirit AirlinesCheapest$239Average$370FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
American AirlinesCheapest$376Average$508FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$381Average$667FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$447Average$1,034FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights

Hourly flight availability from San Juan to St. Louis

See what time of day planes typically take off from San Juan to St. Louis
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
100%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from San Juan to St. Louis

See how many times per day planes take to the skies headed from San Juan to St. Louis
Sunday0daily flights
Monday0daily flights
Tuesday0daily flights
Wednesday0daily flights
Thursday0daily flights
Friday0daily flights
Saturday1daily flight