United Flight 3M3131 Deals & Information (2025/2026)

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United Flight 3131 Route Deals From

The cheapest prices found with in the last 7 days for return flights were $121 and for one-way flights to Henry E. Rohlsen for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jul 18 - Sun, Jul 20
SJU
Luis Munoz Marin Intl.
STX
Henry E. Rohlsen
$121 Roundtrip, found 12 hours ago
$121
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Jul 18 from Luis Munoz Marin Intl. to Henry E. Rohlsen, returning Sun, Jul 20, priced at $121 found 12 hours ago
Fri, Jul 18 - Sun, Jul 20
SJU
Luis Munoz Marin Intl.
STX
Henry E. Rohlsen
$686 Roundtrip, found 12 hours ago
$686
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Jul 18 from Luis Munoz Marin Intl. to Henry E. Rohlsen, returning Sun, Jul 20, priced at $686 found 12 hours ago