Flights from St. Louis to Aurora

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 17 - Sat, Sep 20

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$345 Roundtrip, found 2 days ago

$345

Roundtrip

found 2 days ago

Select American Airlines flight, departing Wed, Sep 17 from Lambert-St. Louis Intl. to Pearson Intl., returning Sat, Sep 20, priced at $345 found 2 days ago

Fri, Sep 19 - Sat, Sep 20

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$375 Roundtrip, found 2 days ago

$375

Roundtrip

found 2 days ago

Select American Airlines flight, departing Fri, Sep 19 from Lambert-St. Louis Intl. to Pearson Intl., returning Sat, Sep 20, priced at $375 found 2 days ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$382 Roundtrip, found 2 days ago

$382

Roundtrip

found 2 days ago

Select United flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $382 found 2 days ago

Fri, Sep 19 - Fri, Sep 26

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$405 Roundtrip, found 2 days ago

$405

Roundtrip

found 2 days ago

Select American Airlines flight, departing Fri, Sep 19 from Lambert-St. Louis Intl. to Pearson Intl., returning Fri, Sep 26, priced at $405 found 2 days ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$434 Roundtrip, found 2 days ago

$434

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $434 found 2 days ago

Tue, Sep 23 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$439 Roundtrip, found 2 days ago

$439

Roundtrip

found 2 days ago

Select American Airlines flight, departing Tue, Sep 23 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $439 found 2 days ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$442 Roundtrip, found 2 days ago

$442

Roundtrip

found 2 days ago

Select Air Canada flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $442 found 2 days ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$442 Roundtrip, found 2 days ago

$442

Roundtrip

found 2 days ago

Select United flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $442 found 2 days ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$447 Roundtrip, found 2 days ago

$447

Roundtrip

found 2 days ago

Select United flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $447 found 2 days ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$451 Roundtrip, found 2 days ago

$451

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $451 found 2 days ago

Mon, Sep 22 - Wed, Sep 24

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$456 Roundtrip, found 2 days ago

$456

Roundtrip

found 2 days ago

Select Delta flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to Pearson Intl., returning Wed, Sep 24, priced at $456 found 2 days ago

Mon, Sep 22 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$461 Roundtrip, found 2 days ago

$461

Roundtrip

found 2 days ago

Select American Airlines flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $461 found 2 days ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$463 Roundtrip, found 2 days ago

$463

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $463 found 2 days ago

Sun, Sep 21 - Sun, Sep 21

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$469 Roundtrip, found 2 days ago

$469

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sun, Sep 21 from Lambert-St. Louis Intl. to Pearson Intl., returning Sun, Sep 21, priced at $469 found 2 days ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$472 Roundtrip, found 2 days ago

$472

Roundtrip

found 2 days ago

Select United flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $472 found 2 days ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$480 Roundtrip, found 2 days ago

$480

Roundtrip

found 2 days ago

Select Air Canada flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $480 found 2 days ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$489 Roundtrip, found 2 days ago

$489

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $489 found 2 days ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$549 Roundtrip, found 2 days ago

$549

Roundtrip

found 2 days ago

Select United flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $549 found 2 days ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$555 Roundtrip, found 2 days ago

$555

Roundtrip

found 2 days ago

Select Air Canada flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $555 found 2 days ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$711 Roundtrip, found 2 days ago

$711

Roundtrip

found 2 days ago

Select WestJet flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $711 found 2 days ago