STL

$128 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 11/4. 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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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.
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Wed, Oct 1 - Tue, Oct 7
Frontier Logo
6:05 am - 9:07 amPDX-STL
25h 02m1 stop
Frontier Logo
7:52 pm - 10:39 pmSTL-PDX
28h 47m1 stop
$244Frontier
Find Deal
Thu, Aug 28 - Sun, Aug 31
Alaska Airlines Logo
1:35 pm - 11:59 pmEUG-STL
8h 24m1 stop
Alaska Airlines Logo
6:00 am - 12:39 pmSTL-EUG
8h 39m1 stop
$260Alaska Airlines
Find Deal
Tue, Jul 15 - Mon, Aug 11
Frontier Logo
7:01 pm - 9:11 amPDX-STL
12h 10m1 stop
Frontier Logo
7:29 pm - 12:16 amSTL-PDX
6h 47m1 stop
$273Frontier
Find Deal
Tue, Jul 8 - Tue, Jul 15
United Airlines Logo
5:42 pm - 11:59 pmBOI-STL
5h 17m1 stop
United Airlines Logo
5:15 am - 9:46 amSTL-BOI
5h 31m1 stop
$279United Airlines
Find Deal
Wed, Aug 13 - Wed, Aug 20
American Airlines Logo
3:22 pm - 12:16 amPDX-STL
6h 54m1 stop
American Airlines Logo
1:42 pm - 11:20 pmSTL-PDX
11h 38m1 stop
$282American Airlines
Find Deal
Tue, Jul 8 - Tue, Jul 15
United Airlines Logo
5:42 pm - 11:59 pmBOI-STL
5h 17m1 stop
United Airlines Logo
8:54 am - 4:40 pmSTL-BOI
8h 46m2 stops
$284United Airlines
Find Deal
Sat, Aug 30 - Sun, Aug 31
Delta Logo
6:00 am - 1:29 pmBOI-STL
6h 29m1 stop
Delta Logo
7:35 am - 11:55 amSTL-BOI
5h 20m1 stop
$287Delta
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Thu, Jul 10 - Mon, Jul 21
Delta Logo
12:40 am - 8:34 amPDX-STL
5h 54m1 stop
Delta Logo
5:37 pm - 11:18 pmSTL-PDX
7h 41m1 stop
$297Delta
Find Deal
Fri, Sep 12 - Tue, Sep 16
Delta Logo
12:40 am - 8:44 amPDX-STL
6h 04m1 stop
Delta Logo
7:30 am - 5:06 pmSTL-PDX
11h 36m2 stops
$301Delta
Find Deal
Fri, Aug 1 - Tue, Aug 5
American Airlines Logo
5:17 pm - 12:28 amBOI-STL
6h 11m1 stop
American Airlines Logo
5:30 am - 10:54 amSTL-BOI
6h 24m1 stop
$331American Airlines
Find Deal
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Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight$128
Best time to beat the crowds with an average 1% 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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