SJU to STL from $378 in business – flightdeals.net

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One Way•Business Class

Luis Muñoz Marín International Airport

San Juan, Puerto Rico

Lambert-Saint Louis International Airport

St. Louis, United States

$481 USD

-21%$378 USD

Verified about 6 hours ago

June 2026

Mon

Tue

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Sun

1 2 3 4 5$654 6$598 7$598 8$638 9$588 10$588 11$588 12$533 13$533 14$533 15$583 16$533 17$533 18$533 19$538 20$488 21$693 22$538 23$538 24$538 25$488 26$505 27$555 28$555 29$467 30$513 1$423 2$505 3$523 4$502 5$560

Rare Availability

6% of dates checked are available within 10% of the lowest price

Monday, June 1st, 2026

No flight details available for this date.