Cheap flights from St. Louis to San Juan from $319

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1 stop
Tue, Jul 29
St. Louis STLSan Juan SJU

$319
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1 stop
Mon, Jul 28
St. Louis STLSan Juan SJU

$330
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1 stop
Wed, Jul 30
St. Louis STLSan Juan SJU

$393
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1 stop
Wed, Jul 30
St. Louis STLSan Juan SJU

$393
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1 stop
Wed, Jul 30
St. Louis STLSan Juan SJU

$393
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1 stop
Wed, Jul 30
St. Louis STLSan Juan SJU

$393
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Prices updated:

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1 stop
Mon, Jul 28 – Fri, Aug 1
St. Louis STLSan Juan SJU

$488
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1 stop
Mon, Jul 28 – Fri, Aug 1
St. Louis STLSan Juan SJU

$495
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1 stop
Mon, Jul 28 – Fri, Aug 1
St. Louis STLSan Juan SJU

$553
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1 stop
Sun, Jul 27 – Thu, Jul 31
St. Louis STLSan Juan SJU

$667
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1 stop
Sun, Jul 27 – Thu, Jul 31
St. Louis STLSan Juan SJU

$667
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1 stop
Mon, Jul 28 – Fri, Aug 1
St. Louis STLSan Juan SJU

$677
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Prices updated:

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How much do flights to San Juan cost?

Key info about flying to San Juan

Depart from
St. Louis Lambert International
Arrive to
Luis Muñoz Marín International
Average flights per week
63
Flight distance

Check-in for a flight from St. Louis to San Juan

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Southern Airways ExpressFDY9XYes

Weather in San Juan

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January27°C22°C
February27°C22°C
March27°C22°C
April28°C23°C
May29°C24°C
June30°C25°C
July30°C25°C
August30°C25°C
September30°C25°C
October29°C25°C
November28°C24°C
December27°C23°C
Hottest Month
30°C
August
Coldest month
22°C
February
Sunny days
251
days per year

14 day forecast

Saturday
5 Jul
31°C27°C
12 Jul
30°C25°C
Sunday
6 Jul
80%
29°C26°C
13 Jul
88%
29°C25°C
Monday
7 Jul
31°C26°C
14 Jul
83%
30°C25°C
Tuesday
8 Jul
88%
30°C25°C
15 Jul
69%
30°C25°C
Wednesday
9 Jul
88%
30°C25°C
16 Jul
87%
30°C24°C
Thursday
10 Jul
80%
30°C25°C
17 Jul
86%
30°C25°C
Friday
11 Jul
86%
30°C25°C
18 Jul
77%
30°C25°C
The most popular airlines for this route are United Airlines, and Southern Airways Express. St. Louis and San Juan have 63 direct flights per week.

Frequently asked questions

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What time do nonstop (direct) flights between St. Louis and San Juan depart?
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Explore alternative trips

Flights from St. Louis

Flights to San Juan

Popular routes

The nearest countries with flights to San Juan

Here is a list of countries people are flying from

Other destination countries from St. Louis

Here is a list of countries people are flying to

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