Flights from Portland to Florissant

Cheapest flights from Portland

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.

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$397 Roundtrip, found 1 day ago

$397

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $397 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$428 Roundtrip, found 1 day ago

$428

Roundtrip

found 1 day ago

Select Delta flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $428 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$428 Roundtrip, found 1 day ago

$428

Roundtrip

found 1 day ago

Select Delta flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $428 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$437 Roundtrip, found 1 day ago

$437

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $437 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$438 Roundtrip, found 1 day ago

$438

Roundtrip

found 1 day ago

Select Delta flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $438 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$448 Roundtrip, found 1 day ago

$448

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $448 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$471 Roundtrip, found 1 day ago

$471

Roundtrip

found 1 day ago

Select United flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $471 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$483 Roundtrip, found 1 day ago

$483

Roundtrip

found 1 day ago

Select Delta flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $483 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$487 Roundtrip, found 1 day ago

$487

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $487 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$488 Roundtrip, found 1 day ago

$488

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $488 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$490 Roundtrip, found 1 day ago

$490

Roundtrip

found 1 day ago

Select United flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $490 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$498 Roundtrip, found 1 day ago

$498

Roundtrip

found 1 day ago

Select Delta flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $498 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$508 Roundtrip, found 1 day ago

$508

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $508 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$511 Roundtrip, found 1 day ago

$511

Roundtrip

found 1 day ago

Select United flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $511 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$514 Roundtrip, found 1 day ago

$514

Roundtrip

found 1 day ago

Select United flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $514 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$514 Roundtrip, found 1 day ago

$514

Roundtrip

found 1 day ago

Select United flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $514 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$523 Roundtrip, found 1 day ago

$523

Roundtrip

found 1 day ago

Select United flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $523 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$527 Roundtrip, found 1 day ago

$527

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $527 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$527 Roundtrip, found 1 day ago

$527

Roundtrip

found 1 day ago

Select Delta flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $527 found 1 day ago

Sun, Jul 20 - Mon, Jul 21

PDX

Portland Intl.

STL

Lambert-St. Louis Intl.

$586 Roundtrip, found 1 day ago

$586

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sun, Jul 20 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $586 found 1 day ago