STL

$75 Find Cheap Flights from Oregon to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to St. Louis departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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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.

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

Tue, Mar 3 - Wed, Mar 4
Hawaiian Airlines Logo
5:00 am - 1:52 pmEUG-STL
6h 52m1 stop
Hawaiian Airlines Logo
7:00 am - 12:37 pmSTL-EUG
7h 37m1 stop
$242Hawaiian Airlines
Find Deal
Wed, Oct 15 - Sat, Oct 18
Frontier Logo
12:43 pm - 9:07 amPDX-STL
18h 24m1 stop
Frontier Logo
4:51 pm - 8:23 amSTL-PDX
17h 32m2 stops
$246Frontier
Find Deal
Sat, Nov 8 - Sat, Nov 15
Alaska Airlines Logo
6:00 am - 3:18 pmPDX-STL
7h 18m1 stop
Alaska Airlines Logo
7:00 am - 12:38 pmSTL-PDX
7h 38m1 stop
$248Alaska Airlines
Find Deal
Thu, Oct 23 - Mon, Oct 27
American Airlines Logo
11:58 pm - 8:09 amPDX-STL
6h 11m1 stop
American Airlines Logo
5:11 am - 10:56 amSTL-PDX
7h 45m1 stop
$249American Airlines
Find Deal
Wed, Nov 5 - Thu, Nov 6
Southwest Logo
7:15 am - 7:25 pmPDX-STL
10h 10m2 stops
Southwest Logo
5:45 pm - 12:20 amSTL-PDX
8h 35m1 stop
$254Southwest
Find Deal
Fri, Oct 3 - Sun, Oct 5
 Logo
6:05 am - 9:06 amPDX-STL
25h 01m1 stop
 Logo
10:14 am - 5:16 pmSTL-PDX
9h 02m1 stop
Mon, Sep 29 - Wed, Oct 8
 Logo
6:05 am - 9:06 amPDX-STL
25h 01m1 stop
 Logo
6:33 am - 12:25 pmSTL-PDX
7h 52m1 stop
Tue, Mar 3 - Wed, Mar 4
Alaska Airlines Logo
5:00 am - 1:52 pmEUG-STL
6h 52m1 stop
Alaska Airlines Logo
7:00 am - 3:13 pmSTL-EUG
10h 13m2 stops
$274Alaska Airlines
Find Deal
Thu, Dec 11 - Tue, Dec 23
American Airlines Logo
1:36 pm - 11:58 pmBOI-STL
9h 22m1 stop
American Airlines Logo
5:16 pm - 10:56 pmSTL-BOI
6h 40m1 stop
$306American Airlines
Find Deal
Wed, Nov 5 - Tue, Nov 11
Southwest Logo
12:40 pm - 9:00 pmEUG-STL
6h 20m1 stop
Southwest Logo
8:00 am - 1:50 pmSTL-EUG
7h 50m1 stop
$337Southwest
Find Deal

Everything you should know

Cheapest round-trip
$242
Overall average: $439
Hawaiian Airlines
Tue 3/3Wed 3/4
EUG - STL • 1 stop
Cheapest one-way
$75
Typical prices: $144-261
Southwest
Tue 10/28
PDX - STL • 1 stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to St. Louis!
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$75
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Portland to St. Louis

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?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Wentzville
Farmington
Eureka
Litchfield
Grafton
Glencoe
Shrewsbury

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

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

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