Flights from St. Louis to Juan Martín

Cheapest flights from St. Louis

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 3 - Fri, Sep 5

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$219 Roundtrip, found 8 hours ago

$219

Roundtrip

found 8 hours ago

Select Delta flight, departing Wed, Sep 3 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Fri, Sep 5, priced at $219 found 8 hours ago

Sun, Aug 31 - Fri, Sep 5

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$259 Roundtrip, found 8 hours ago

$259

Roundtrip

found 8 hours ago

Select American Airlines flight, departing Sun, Aug 31 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Fri, Sep 5, priced at $259 found 8 hours ago

Wed, Sep 3 - Mon, Sep 8

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$274 Roundtrip, found 8 hours ago

$274

Roundtrip

found 8 hours ago

Select Delta flight, departing Wed, Sep 3 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Mon, Sep 8, priced at $274 found 8 hours ago

Wed, Sep 3 - Sat, Sep 6

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$295 Roundtrip, found 8 hours ago

$295

Roundtrip

found 8 hours ago

Select Delta flight, departing Wed, Sep 3 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Sat, Sep 6, priced at $295 found 8 hours ago

Wed, Sep 3 - Mon, Sep 8

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$319 Roundtrip, found 8 hours ago

$319

Roundtrip

found 8 hours ago

Select Delta flight, departing Wed, Sep 3 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Mon, Sep 8, priced at $319 found 8 hours ago

Sun, Aug 3 - Sun, Aug 10

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$325 Roundtrip, found 8 hours ago

$325

Roundtrip

found 8 hours ago

Select Spirit Airlines flight, departing Sun, Aug 3 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Sun, Aug 10, priced at $325 found 8 hours ago

Sun, Aug 31 - Mon, Sep 8

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$328 Roundtrip, found 8 hours ago

$328

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Sun, Aug 31 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Mon, Sep 8, priced at $328 found 8 hours ago

Sun, Aug 31 - Sun, Sep 7

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$338 Roundtrip, found 8 hours ago

$338

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Sun, Aug 31 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Sun, Sep 7, priced at $338 found 8 hours ago

Tue, Sep 2 - Thu, Sep 11

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$352 Roundtrip, found 8 hours ago

$352

Roundtrip

found 8 hours ago

Select American Airlines flight, departing Tue, Sep 2 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Thu, Sep 11, priced at $352 found 8 hours ago

Sun, Aug 31 - Sat, Sep 6

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$354 Roundtrip, found 8 hours ago

$354

Roundtrip

found 8 hours ago

Select Spirit Airlines flight, departing Sun, Aug 31 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Sat, Sep 6, priced at $354 found 8 hours ago

Thu, Aug 7 - Sun, Aug 10

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$360 Roundtrip, found 8 hours ago

$360

Roundtrip

found 8 hours ago

Select Spirit Airlines flight, departing Thu, Aug 7 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Sun, Aug 10, priced at $360 found 8 hours ago

Fri, Sep 5 - Sat, Sep 6

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$369 Roundtrip, found 8 hours ago

$369

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Sep 5 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Sat, Sep 6, priced at $369 found 8 hours ago

Sat, Feb 7 - Tue, Feb 17

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$371 Roundtrip, found 1 day ago

$371

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sat, Feb 7 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Tue, Feb 17, priced at $371 found 1 day ago

Wed, Sep 3 - Tue, Sep 9

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$375 Roundtrip, found 8 hours ago

$375

Roundtrip

found 8 hours ago

Select Delta flight, departing Wed, Sep 3 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Tue, Sep 9, priced at $375 found 8 hours ago

Tue, Sep 2 - Sun, Sep 7

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$377 Roundtrip, found 8 hours ago

$377

Roundtrip

found 8 hours ago

Select American Airlines flight, departing Tue, Sep 2 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Sun, Sep 7, priced at $377 found 8 hours ago

Fri, Aug 8 - Tue, Aug 12

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$384 Roundtrip, found 8 hours ago

$384

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Aug 8 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Tue, Aug 12, priced at $384 found 8 hours ago

Sat, Aug 9 - Sun, Aug 10

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$406 Roundtrip, found 8 hours ago

$406

Roundtrip

found 8 hours ago

Select Spirit Airlines flight, departing Sat, Aug 9 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Sun, Aug 10, priced at $406 found 8 hours ago

Sat, Feb 7 - Tue, Feb 17

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$414 Roundtrip, found 1 day ago

$414

Roundtrip

found 1 day ago

Select United flight, departing Sat, Feb 7 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Tue, Feb 17, priced at $414 found 1 day ago

Fri, Sep 5 - Fri, Sep 5

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$417 Roundtrip, found 8 hours ago

$417

Roundtrip

found 8 hours ago

Select American Airlines flight, departing Fri, Sep 5 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Fri, Sep 5, priced at $417 found 8 hours ago

Tue, Aug 5 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

SJU

Luis Munoz Marin Intl.

$480 Roundtrip, found 8 hours ago

$480

Roundtrip

found 8 hours ago

Select United flight, departing Tue, Aug 5 from Lambert-St. Louis Intl. to Luis Munoz Marin Intl., returning Fri, Aug 8, priced at $480 found 8 hours ago