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United flights from Saint Louis to San Juan starting at

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Low fare calendar for flights from Saint Louis (STL) to San Juan (SJU)

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$378 Price subject to changes
Viewed:14 hours ago
Economy
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$378 Price subject to changes
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$344 Price subject to changes
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$344 Price subject to changes
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$344 Price subject to changes
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$344 Price subject to changes
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$378 Price subject to changes
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$369 Price subject to changes
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$369 Price subject to changes
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$344 Price subject to changes
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$344 Price subject to changes
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$344 Price subject to changes
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$344 Price subject to changes
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$369 Price subject to changes
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$369 Price subject to changes
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$369 Price subject to changes
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$310 Price subject to changes
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$310 Price subject to changes
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$310 Price subject to changes
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$310 Price subject to changes
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$369 Price subject to changes
Viewed:4 hours ago
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$360 Price subject to changes
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$360 Price subject to changes
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$310 Price subject to changes
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$310 Price subject to changes
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$310 Price subject to changes
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$310 Price subject to changes
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$360 Price subject to changes
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$360 Price subject to changes
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Lowest PriceToday
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

More United deals on Saint Louis (STL) to San Juan (SJU) flights

FromToDatesFare TypePrice

Saint Louis (STL)

San Juan (SJU)

Depart: 09/16/20

Return: 09/30/20

Roundtrip
from
$310*
Viewed:14hoursago

Saint Louis (STL)

San Juan (SJU)

Depart: 09/22/20

Return: 10/06/20

Roundtrip
from
$310*
Viewed:14hoursago

Saint Louis (STL)

San Juan (SJU)

Depart: 09/29/20

Return: 10/13/20

Roundtrip
from
$310*
Viewed:14hoursago

Saint Louis (STL)

San Juan (SJU)

Depart: 10/06/20

Return: 10/20/20

Roundtrip
from
$310*
Viewed:14hoursago

Saint Louis (STL)

San Juan (SJU)

Depart: 10/08/20

Return: 10/15/20

Roundtrip
from
$310*
Viewed:14hoursago

Saint Louis (STL)

San Juan (SJU)

Depart: 10/19/20

Return: 10/26/20

Roundtrip
from
$310*
Viewed:14hoursago

Saint Louis (STL)

San Juan (SJU)

Depart: 10/20/20

Return: 10/27/20

Roundtrip
from
$310*
Viewed:14hoursago

Saint Louis (STL)

San Juan (SJU)

Depart: 11/05/20

Return: 11/12/20

Roundtrip
from
$310*
Viewed:14hoursago

Saint Louis (STL)

San Juan (SJU)

Depart: 08/26/20

Return: 09/09/20

Roundtrip
from
$310*
Viewed:14hoursago

Saint Louis (STL)

San Juan (SJU)

Depart: 09/03/20

Return: 09/10/20

Roundtrip
from
$310*
Viewed:14hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in San Juan

Saturday light rain
85°F 08/08/20
Sunday light rain
86°F 08/09/20
Monday light rain
85°F 08/10/20
Tuesday light rain
85°F 08/11/20
Wednesday light rain
86°F 08/12/20
Thursday light rain
85°F 08/13/20
Friday moderate rain
86°F 08/14/20
Powered by: OpenWeatherMap.org