How does KAYAK find such low prices on flights from Oregon to St. Louis?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oregon to St. Louis. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oregon to St. Louis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Oregon is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Oregon to St. Louis?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Oregon with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oregon to St. Louis?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Oregon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$78 CHEAP FLIGHTS from Oregon to St. Louis

STL

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Cheap Flights from Oregon to St. Louis

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Oregon to St. Louis

Thu, Apr 23 - Mon, Apr 27

11:48 am - 7:21 pm

PDX

STL

5h 33m

1 stop

8:17 pm - 11:52 am

STL

PDX

17h 35m

1 stop

$216Frontier

Thu, Apr 16 - Mon, Apr 20

11:48 am - 7:21 pm

PDX

STL

5h 33m

1 stop

8:17 pm - 11:52 am

STL

PDX

17h 35m

1 stop

$217Frontier

Wed, May 27 - Sat, May 30

10:37 am - 4:37 pm

PDX

STL

4h 00mnonstop

5:33 pm - 7:50 pm

STL

PDX

4h 17mnonstop

$257Alaska Airlines

Tue, May 5 - Wed, May 6

4:38 pm - 11:59 pm

BOI

STL

6h 21m

1 stop

4:46 pm - 11:02 pm

STL

BOI

7h 16m

1 stop

$317Alaska Airlines

Tue, Apr 21 - Wed, Apr 22

4:05 pm - 11:15 pm

BOI

STL

6h 10m

1 stop

5:30 am - 12:30 pm

STL

BOI

8h 00m

2 stops

$322Southwest

Wed, May 6 - Sat, May 9

11:35 am - 12:25 am

RDM

STL

10h 50m

2 stops

5:00 pm - 10:14 pm

STL

RDM

7h 14m

1 stop

$322Delta

Sat, Apr 25 - Sat, May 2

12:50 pm - 8:54 pm

MFR

STL

6h 04m

1 stop

10:25 am - 9:31 pm

STL

MFR

13h 06m

2 stops

$322United Airlines

Sat, May 9 - Tue, May 12

11:00 am - 8:25 pm

BOI

STL

8h 25m

2 stops

5:40 pm - 12:25 am

STL

BOI

7h 45m

2 stops

$327Southwest

Wed, May 6 - Sat, May 9

5:45 am - 1:23 pm

RDM

STL

5h 38m

1 stop

5:00 pm - 10:14 pm

STL

RDM

7h 14m

1 stop

$348Delta

Sat, May 30 - Sat, Jun 6

12:33 pm - 9:16 pm

EUG

STL

6h 43m

1 stop

6:00 am - 11:37 am

STL

EUG

7h 37m

1 stop

$352United Airlines

Useful Info

Low season	January
High season	April
Cheapest flight	$78

Best time to beat the crowds but there is an average 2% increase in price.

Most popular time to fly with an average 2% increase in price.

Flight from Portland to St. Louis

How does KAYAK find such low prices on flights from Oregon to St. Louis?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oregon to St. Louis.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oregon to St. Louis?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Oregon is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Oregon to St. Louis?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Oregon with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oregon to St. Louis?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Oregon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

O'Fallon

Wentzville

Farmington

Eureka

Litchfield

Grafton

Shrewsbury

Glencoe

Everything you need to know for your flight to St. Louis

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in St. Louis

St. Louis (STL)

STL

$86 Find Cheap Flights from Oregon to St. Louis

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

Cheap Flights from Oregon to St. Louis

Recent round-trip flight deals from Oregon to St. Louis

Recent one-way flight deals from Oregon to St. Louis

Recent last minute flight deals from Oregon to St. Louis

Recent direct flight deals from Oregon to St. Louis

Good to know

FAQs for booking flights from Oregon to St. Louis

How does KAYAK find such low prices on flights from Oregon to St. Louis?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oregon to St. Louis.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oregon to St. Louis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Oregon is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Oregon to St. Louis?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Oregon with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oregon to St. Louis?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Oregon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near St. Louis?

Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis

Cabin class types available on flights to Oregon

Complete your trip to St. Louis with a hotel stay or car rental

Find direct flights for St. Louis

Flights to other popular destinations

Flights from domestic origins to St. Louis

Choose which airport to fly into in St. Louis

Find deals for your return flight