Flights from St. Louis to Adjala-Tosorontio

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.

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$330 Roundtrip, found 4 days ago

$330

Roundtrip

found 4 days ago

Select American Airlines flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $330 found 4 days ago

Tue, Sep 16 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$346 Roundtrip, found 20 hours ago

$346

Roundtrip

found 20 hours ago

Select American Airlines flight, departing Tue, Sep 16 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $346 found 20 hours ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$349 Roundtrip, found 4 days ago

$349

Roundtrip

found 4 days ago

Select American Airlines flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $349 found 4 days ago

Thu, Sep 18 - Mon, Sep 22

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$352 Roundtrip, found 20 hours ago

$352

Roundtrip

found 20 hours ago

Select American Airlines flight, departing Thu, Sep 18 from Lambert-St. Louis Intl. to Pearson Intl., returning Mon, Sep 22, priced at $352 found 20 hours ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$372 Roundtrip, found 4 days ago

$372

Roundtrip

found 4 days ago

Select United flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $372 found 4 days ago

Tue, Sep 16 - Fri, Sep 26

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$376 Roundtrip, found 20 hours ago

$376

Roundtrip

found 20 hours ago

Select American Airlines flight, departing Tue, Sep 16 from Lambert-St. Louis Intl. to Pearson Intl., returning Fri, Sep 26, priced at $376 found 20 hours ago

Mon, Jul 21 - Tue, Jul 29

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$376 Roundtrip, found 1 day ago

$376

Roundtrip

found 1 day ago

Select Air Canada flight, departing Mon, Jul 21 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Jul 29, priced at $376 found 1 day ago

Thu, Sep 18 - Fri, Sep 26

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$379 Roundtrip, found 20 hours ago

$379

Roundtrip

found 20 hours ago

Select American Airlines flight, departing Thu, Sep 18 from Lambert-St. Louis Intl. to Pearson Intl., returning Fri, Sep 26, priced at $379 found 20 hours ago

Mon, Jul 21 - Tue, Jul 29

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$381 Roundtrip, found 1 day ago

$381

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Jul 21 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Jul 29, priced at $381 found 1 day ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$390 Roundtrip, found 4 days ago

$390

Roundtrip

found 4 days ago

Select Air Canada flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $390 found 4 days ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$395 Roundtrip, found 4 days ago

$395

Roundtrip

found 4 days ago

Select United flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $395 found 4 days ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$400 Roundtrip, found 4 days ago

$400

Roundtrip

found 4 days ago

Select Delta flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $400 found 4 days ago

Sun, Sep 21 - Fri, Sep 26

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$406 Roundtrip, found 20 hours ago

$406

Roundtrip

found 20 hours ago

Select American Airlines flight, departing Sun, Sep 21 from Lambert-St. Louis Intl. to Pearson Intl., returning Fri, Sep 26, priced at $406 found 20 hours ago

Wed, Jul 23 - Sat, Jul 26

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$407 Roundtrip, found 1 day ago

$407

Roundtrip

found 1 day ago

Select Air Canada flight, departing Wed, Jul 23 from Lambert-St. Louis Intl. to Pearson Intl., returning Sat, Jul 26, priced at $407 found 1 day ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$408 Roundtrip, found 4 days ago

$408

Roundtrip

found 4 days ago

Select American Airlines flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $408 found 4 days ago

Mon, Jul 21 - Tue, Jul 29

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$417 Roundtrip, found 1 day ago

$417

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Jul 21 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Jul 29, priced at $417 found 1 day ago

Tue, Sep 23 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$439 Roundtrip, found 5 days ago

$439

Roundtrip

found 5 days ago

Select United flight, departing Tue, Sep 23 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $439 found 5 days ago

Tue, Sep 23 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$442 Roundtrip, found 5 days ago

$442

Roundtrip

found 5 days ago

Select Air Canada flight, departing Tue, Sep 23 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $442 found 5 days ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$460 Roundtrip, found 4 days ago

$460

Roundtrip

found 4 days ago

Select Air Canada flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $460 found 4 days ago

Tue, Sep 23 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

YYZ

Pearson Intl.

$654 Roundtrip, found 5 days ago

$654

Roundtrip

found 5 days ago

Select WestJet flight, departing Tue, Sep 23 from Lambert-St. Louis Intl. to Pearson Intl., returning Tue, Sep 23, priced at $654 found 5 days ago