STL

$96 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 5/6. 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.
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Flights 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.

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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Oregon to St. Louis.
Discover the best prices for you by selecting your travel dates on KAYAK.
Frontier Logo
12:36 pm - 9:12 amBOI-STL
19h 36m1 stop
Frontier Logo
8:11 pm - 11:47 amSTL-BOI
16h 36m1 stop
$227Frontier
Find Deal
Sun, Jun 1 - Wed, Jun 4
Delta Logo
5:06 pm - 12:43 amPDX-STL
5h 37m1 stop
Delta Logo
7:15 pm - 11:39 pmSTL-PDX
6h 24m1 stop
$227Delta
Find Deal
Wed, Jun 11 - Mon, Jun 16
United Airlines Logo
11:59 pm - 9:31 amPDX-STL
7h 32m1 stop
United Airlines Logo
5:00 am - 9:42 amSTL-PDX
6h 42m1 stop
$264United Airlines
Find Deal
Tue, Jul 29 - Sun, Aug 3
American Airlines Logo
9:55 pm - 8:11 amPDX-STL
8h 16m1 stop
American Airlines Logo
5:29 pm - 10:58 pmSTL-PDX
7h 29m1 stop
$277American Airlines
Find Deal
Sun, Jun 8 - Wed, Jun 11
American Airlines Logo
11:59 pm - 9:02 amPDX-STL
7h 03m1 stop
American Airlines Logo
5:29 pm - 12:36 amSTL-PDX
9h 07m1 stop
$287American Airlines
Find Deal
Fri, Jun 13 - Mon, Jun 16
Alaska Airlines Logo
6:35 am - 2:39 pmBOI-STL
7h 04m1 stop
Alaska Airlines Logo
6:00 am - 3:00 pmSTL-BOI
10h 00m1 stop
$287Alaska Airlines
Find Deal
Tue, Sep 23 - Wed, Oct 1
United Airlines Logo
5:25 pm - 11:58 pmBOI-STL
5h 33m1 stop
United Airlines Logo
10:00 am - 6:07 pmSTL-BOI
9h 07m2 stops
$292United Airlines
Find Deal
Tue, May 13 - Tue, Aug 5
Southwest Logo
12:35 pm - 12:10 amPDX-STL
9h 35m2 stops
Southwest Logo
5:40 am - 10:10 amSTL-PDX
6h 30m1 stop
$298Southwest
Find Deal
Tue, Oct 14 - Fri, Oct 17
Southwest Logo
9:15 pm - 7:50 amPDX-STL
8h 35m1 stop
Southwest Logo
8:25 pm - 12:45 amSTL-PDX
6h 20m1 stop
$312Southwest
Find Deal
Mon, Jun 30 - Sun, Jul 6
Alaska Airlines Logo
6:03 am - 2:07 pmEUG-STL
6h 04m1 stop
Alaska Airlines Logo
7:32 pm - 11:59 pmSTL-EUG
6h 27m1 stop
$336Alaska Airlines
Find Deal
Mon, May 26 - Sat, Jun 14
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Good to know

Low seasonJanuary
High seasonMay
Cheapest flight$96
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly and prices are also 8% 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.

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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