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>

$66 CHEAP FLIGHTS from Oregon to St. Louis

STL

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

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Cheapest round-trip

$157

Overall average: $374

Frontier

Thu 5/7Sat 5/16

PDX - STL • 1 stop

Cheapest non-stop

$229

Alaska Airlines

Thu 5/21Tue 5/26

PDX - STL • Non-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

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, May 7 - Sat, May 16

11:48 am - 7:12 pm

PDX

STL

29h 24m

1 stop

8:12 pm - 11:03 am

STL

PDX

16h 51m

1 stop

$157Frontier

Thu, Apr 16 - Sat, Apr 18

11:48 am - 7:12 pm

PDX

STL

29h 24m

1 stop

8:12 pm - 11:57 am

STL

PDX

17h 45m

2 stops

$201Frontier

Thu, Apr 16 - Sat, Apr 18

11:48 am - 7:12 pm

PDX

STL

29h 24m

1 stop

8:12 pm - 11:03 am

STL

PDX

16h 51m

1 stop

$211Frontier

Thu, May 21 - Tue, May 26

11:18 am - 5:06 pm

PDX

STL

3h 48mnonstop

6:20 pm - 8:37 pm

STL

PDX

4h 17mnonstop

$229Alaska Airlines

Thu, May 21 - Wed, May 27

11:18 am - 5:06 pm

PDX

STL

3h 48mnonstop

7:56 pm - 12:11 am

STL

PDX

6h 15m

1 stop

$239Alaska Airlines

Sat, Mar 28 - Tue, Mar 31

3:01 pm - 11:25 pm

BOI

STL

7h 24m

1 stop

3:05 pm - 9:09 pm

STL

BOI

7h 04m

1 stop

$247Delta

Wed, Mar 25 - Sat, Mar 28

11:30 pm - 9:05 am

BOI

STL

8h 35m

1 stop

5:00 pm - 10:11 pm

STL

BOI

6h 11m

1 stop

$268Delta

Tue, Mar 10 - Tue, Mar 17

12:59 pm - 11:34 pm

BOI

STL

9h 35m

2 stops

6:25 am - 12:13 pm

STL

BOI

6h 48m

1 stop

$282United Airlines

Tue, Mar 3 - Thu, Mar 12

1:13 pm - 8:26 pm

RDM

STL

5h 13m

1 stop

5:15 am - 12:11 pm

STL

RDM

8h 56m

2 stops

$287United Airlines

Thu, Apr 16 - Sun, Apr 19

11:53 am - 7:12 pm

BOI

STL

6h 19m

1 stop

7:00 am - 10:57 pm

STL

BOI

16h 57m

1 stop

$302Multiple Airlines

Useful Info

Low season	January
High season	May
Cheapest flight	$66

Best time to beat the crowds but there is an average 7% increase in price.

Most popular time to fly and prices are also 7% 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

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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

$66 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

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