Flights from Princeton to St. Louis

Cheapest flights from Princeton

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, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$207 Roundtrip, found 3 days ago

$207

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $207 found 3 days ago

Thu, Oct 16 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$217 Roundtrip, found 3 days ago

$217

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Thu, Oct 16 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $217 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$300 Roundtrip, found 3 days ago

$300

Roundtrip

found 3 days ago

Select United flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $300 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$309 Roundtrip, found 3 days ago

$309

Roundtrip

found 3 days ago

Select United flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $309 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$346 Roundtrip, found 3 days ago

$346

Roundtrip

found 3 days ago

Select United flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $346 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$370 Roundtrip, found 3 days ago

$370

Roundtrip

found 3 days ago

Select United flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $370 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$379 Roundtrip, found 3 days ago

$379

Roundtrip

found 3 days ago

Select United flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $379 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$381 Roundtrip, found 3 days ago

$381

Roundtrip

found 3 days ago

Select United flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $381 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$390 Roundtrip, found 3 days ago

$390

Roundtrip

found 3 days ago

Select United flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $390 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$390 Roundtrip, found 3 days ago

$390

Roundtrip

found 3 days ago

Select American Airlines flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $390 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$416 Roundtrip, found 3 days ago

$416

Roundtrip

found 3 days ago

Select United flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $416 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$424 Roundtrip, found 3 days ago

$424

Roundtrip

found 3 days ago

Select Delta flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $424 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$440 Roundtrip, found 3 days ago

$440

Roundtrip

found 3 days ago

Select United flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $440 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$448 Roundtrip, found 3 days ago

$448

Roundtrip

found 3 days ago

Select United flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $448 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$449 Roundtrip, found 3 days ago

$449

Roundtrip

found 3 days ago

Select United flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $449 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$451 Roundtrip, found 3 days ago

$451

Roundtrip

found 3 days ago

Select United flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $451 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$459 Roundtrip, found 3 days ago

$459

Roundtrip

found 3 days ago

Select American Airlines flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $459 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$460 Roundtrip, found 3 days ago

$460

Roundtrip

found 3 days ago

Select United flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $460 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$469 Roundtrip, found 3 days ago

$469

Roundtrip

found 3 days ago

Select United flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $469 found 3 days ago

Wed, Oct 15 - Sun, Oct 19

EWR

Newark Liberty Intl. Airport

STL

Lambert-St. Louis Intl.

$475 Roundtrip, found 3 days ago

$475

Roundtrip

found 3 days ago

Select United flight, departing Wed, Oct 15 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $475 found 3 days ago