Cheap flights from St. Louis to San Juan from £99

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1 stop
Sat, May 10
St. Louis STLSan Juan SJU

£99
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1 stop
Sat, May 10
St. Louis STLSan Juan SJU

£99
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1 stop
Sat, May 10
St. Louis STLSan Juan SJU

£99
Search
1 stop
Sat, May 10
St. Louis STLSan Juan SJU

£99
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1 stop
Sat, May 10
St. Louis STLSan Juan SJU

£99
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1 stop
Tue, May 13
St. Louis STLSan Juan SJU

£117
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Prices updated:

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1 stop
Mon, May 12 – Thu, May 15
St. Louis STLSan Juan SJU

£309
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1 stop
Tue, May 13 – Fri, May 16
St. Louis STLSan Juan SJU

£316
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1 stop
Sat, May 10 – Tue, May 13
St. Louis STLSan Juan SJU

£322
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1 stop
Sat, May 10 – Tue, May 13
St. Louis STLSan Juan SJU

£346
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1 stop
Sat, May 10 – Tue, May 13
St. Louis STLSan Juan SJU

£346
Search
1 stop
Sat, May 10 – Tue, May 13
St. Louis STLSan Juan SJU

£346
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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
91
Flight distance

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

NameCarrier codeIATA CodePassport needed during booking
American AirlinesAALAANo
United AirlinesUALUANo

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
252
days per year

14 day forecast

Saturday
19 Apr
84%
27°C25°C
26 Apr
84%
27°C23°C
Sunday
20 Apr
88%
27°C23°C
27 Apr
88%
27°C24°C
Monday
21 Apr
82%
24°C23°C
28 Apr
85%
27°C24°C
Tuesday
22 Apr
89%
27°C23°C
29 Apr
87%
26°C24°C
Wednesday
23 Apr
83%
27°C22°C
30 Apr
87%
28°C24°C
Thursday
24 Apr
79%
27°C22°C
1 May
89%
27°C24°C
Friday
25 Apr
88%
27°C24°C
2 May
87%
27°C24°C
Book your trip to arrive at Luis Muñoz Marín International, or Fernando Luis Ribas Dominicci. The most popular airlines for this route are American Airlines, and United Airlines. St. Louis and San Juan have 91 direct flights per week.

Frequently asked questions

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