Cheap Flights to Southwest from $90

How much is the cheapest flight to Southwest?

Prices were available within the past 7 days and start at $90 for one-way flights and $154 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Aug 30 - Thu, Sep 3

SJU

San Juan

STX

St. Croix Island

$154 Roundtrip, just found

$154

Roundtrip

just found

Select JetBlue Airways flight, departing Sun, Aug 30 from San Juan to St. Croix Island, returning Thu, Sep 3, priced at $154 just found

Sun, Aug 30 - Thu, Sep 3

SJU

San Juan

STX

St. Croix Island

$174 Roundtrip, just found

$174

Roundtrip

just found

Select JetBlue Airways flight, departing Sun, Aug 30 from San Juan to St. Croix Island, returning Thu, Sep 3, priced at $174 just found

Wed, Aug 19 - Thu, Aug 20

SJU

San Juan

STX

St. Croix Island

$194 Roundtrip, found 2 hours ago

$194

Roundtrip

found 2 hours ago

Select JetBlue Airways flight, departing Wed, Aug 19 from San Juan to St. Croix Island, returning Thu, Aug 20, priced at $194 found 2 hours ago

Sat, Aug 8 - Sun, Aug 23

SJU

San Juan

STX

St. Croix Island

$199 Roundtrip, found 5 days ago

$199

Roundtrip

found 5 days ago

Select JetBlue Airways flight, departing Sat, Aug 8 from San Juan to St. Croix Island, returning Sun, Aug 23, priced at $199 found 5 days ago

Mon, Aug 17 - Wed, Aug 19

SJU

San Juan

STX

St. Croix Island

$204 Roundtrip, just found

$204

Roundtrip

just found

Select JetBlue Airways flight, departing Mon, Aug 17 from San Juan to St. Croix Island, returning Wed, Aug 19, priced at $204 just found

Sun, Aug 9 - Sun, Aug 23

SJU

San Juan

STX

St. Croix Island

$209 Roundtrip, found 5 days ago

$209

Roundtrip

found 5 days ago

Select JetBlue Airways flight, departing Sun, Aug 9 from San Juan to St. Croix Island, returning Sun, Aug 23, priced at $209 found 5 days ago

Tue, Sep 1 - Mon, Sep 7

MIA

Miami

STX

St. Croix Island

$263 Roundtrip, just found

$263

Roundtrip

just found

Select American Airlines flight, departing Tue, Sep 1 from Miami to St. Croix Island, returning Mon, Sep 7, priced at $263 just found

Fri, Jan 8 - Thu, Jan 14

IAH

Houston

STX

St. Croix Island

$373 Roundtrip, found 17 hours ago

$373

Roundtrip

found 17 hours ago

Select Delta flight, departing Fri, Jan 8 from Houston to St. Croix Island, returning Thu, Jan 14, priced at $373 found 17 hours ago

Sat, Nov 7 - Sat, Nov 14

BOS

Boston

STX

St. Croix Island

$410 Roundtrip, found 1 hour ago

$410

Roundtrip

found 1 hour ago

Select United flight, departing Sat, Nov 7 from Boston to St. Croix Island, returning Sat, Nov 14, priced at $410 found 1 hour ago

Thu, Aug 27 - Sun, Aug 30

AVT

Aventura

STX

St. Croix Island

$594 Roundtrip, found 7 hours ago

$594

Roundtrip

found 7 hours ago

Select Accessrail flight, departing Thu, Aug 27 from Aventura to St. Croix Island, returning Sun, Aug 30, priced at $594 found 7 hours ago