$178 Cheap United flights St. Louis (STL) to Allentown (ABE)

$178 Cheap United flights St. Louis (STL) to Allentown (ABE)

Prices were available within the past 7 days and start at $178 for one-way flights and $350 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 21 - Tue, Jul 28

STL

St. Louis

ABE

Allentown

$350 Roundtrip, found 2 days ago

$350

Roundtrip

found 2 days ago

Select United flight, departing Tue, Jul 21 from St. Louis to Allentown, returning Tue, Jul 28, priced at $350 found 2 days ago

Wed, Sep 16 - Tue, Sep 29

STL

St. Louis

ABE

Allentown

$391 Roundtrip, found 19 hours ago

$391

Roundtrip

found 19 hours ago

Select United flight, departing Wed, Sep 16 from St. Louis to Allentown, returning Tue, Sep 29, priced at $391 found 19 hours ago

Wed, Sep 16 - Tue, Sep 29

STL

St. Louis

ABE

Allentown

$394 Roundtrip, found 19 hours ago

$394

Roundtrip

found 19 hours ago

Select United flight, departing Wed, Sep 16 from St. Louis to Allentown, returning Tue, Sep 29, priced at $394 found 19 hours ago

Wed, Sep 16 - Fri, Oct 2

STL

St. Louis

ABE

Allentown

$396 Roundtrip, found 3 days ago

$396

Roundtrip

found 3 days ago

Select United flight, departing Wed, Sep 16 from St. Louis to Allentown, returning Fri, Oct 2, priced at $396 found 3 days ago

Wed, Sep 16 - Tue, Sep 29

STL

St. Louis

ABE

Allentown

$417 Roundtrip, found 19 hours ago

$417

Roundtrip

found 19 hours ago

Select United flight, departing Wed, Sep 16 from St. Louis to Allentown, returning Tue, Sep 29, priced at $417 found 19 hours ago