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>

$60 CHEAP FLIGHTS from Oregon to St. Louis

STL

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

...and more

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41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$249

Overall average: $498

American Airlines

Wed 12/3Sun 12/7

PDX - STL • 1 stop

Cheapest one-way

$60

Typical prices: $219-$276

Frontier

Fri 12/12

PDX - STL • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to St. Louis!

Flight Deals

Cheap Flights from Oregon to St. Louis

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Oregon to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Round-trip

One-way

Last minute

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

Wed, Dec 3 - Sun, Dec 7

11:59 pm - 10:37 amPDX-STL

8h 38m1 stop

5:14 am - 11:05 amSTL-PDX

7h 51m1 stop

$249American Airlines

Find Deal

Tue, Feb 3 - Sat, Feb 7

8:50 am - 9:38 pmBOI-STL

11h 48m2 stops

7:00 am - 3:57 pmSTL-BOI

9h 57m2 stops

$256Delta

Find Deal

Thu, Jan 22 - Mon, Jan 26

7:00 am - 9:38 pmRDM-STL

12h 38m2 stops

3:31 pm - 10:47 pmSTL-RDM

9h 16m2 stops

$256Delta

Find Deal

Fri, Dec 5 - Sun, Dec 7

12:55 pm - 10:14 amPDX-STL

19h 19m1 stop

1:16 pm - 4:37 pmSTL-PDX

29h 21m2 stops

$266Frontier

Find Deal

Mon, Dec 8 - Wed, Dec 10

12:19 pm - 11:59 pmBOI-STL

10h 40m1 stop

7:00 am - 3:26 pmSTL-BOI

9h 26m1 stop

$311Alaska Airlines

Find Deal

Sun, Nov 23 - Wed, Dec 3

9:51 pm - 9:09 pmMFR-STL

21h 18m1 stop

7:43 pm - 9:06 pmSTL-MFR

27h 23m2 stops

$321Multiple Airlines

Find Deal

Tue, Mar 3 - Wed, Mar 4

5:42 am - 1:51 pmEUG-STL

6h 09m1 stop

7:00 am - 12:52 pmSTL-EUG

7h 52m1 stop

$342Hawaiian Airlines

Find Deal

Tue, Dec 9 - Tue, Dec 16

1:30 pm - 2:27 pmRDM-STL

22h 57m1 stop

7:00 am - 9:08 pmSTL-RDM

16h 08m1 stop

$344Alaska Airlines

Find Deal

Tue, Apr 7 - Wed, Apr 8

4:30 pm - 11:55 pmBOI-STL

6h 25m1 stop

7:00 am - 1:47 pmSTL-BOI

7h 47m1 stop

$350Hawaiian Airlines

Find Deal

Tue, Dec 23 - Mon, Dec 29

7:00 pm - 9:40 amEUG-STL

36h 40m2 stops

10:10 pm - 3:07 pmSTL-EUG

18h 57m1 stop

$351Multiple Airlines

Find Deal

Useful Info

Low season	January
High season	May
Cheapest flight	$60

Best time to beat the crowds with an average 3% drop in price.

Most popular time to fly and prices are also 2% lower on average.

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

$60 Find Cheap Flights from Oregon to St. Louis

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

Everything you should know

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

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