STL

$67 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

Sat, Nov 8 - Sat, Nov 15
Delta Logo
6:20 am - 3:31 pmPDX-STL
7h 11m1 stop
Delta Logo
5:00 pm - 10:51 pmSTL-PDX
7h 51m1 stop
$249Delta
Find Deal
Tue, Nov 11 - Tue, Nov 18
United Airlines Logo
6:00 am - 4:28 pmPDX-STL
8h 28m2 stops
United Airlines Logo
5:24 pm - 10:36 pmSTL-PDX
7h 12m1 stop
$250United Airlines
Find Deal
Thu, Nov 6 - Tue, Nov 11
Delta Logo
9:17 am - 12:24 amPDX-STL
13h 07m2 stops
Delta Logo
2:36 pm - 12:14 amSTL-PDX
11h 38m2 stops
$252Delta
Find Deal
Tue, Nov 11 - Tue, Nov 18
Multiple Airlines Logo
1:26 pm - 9:07 amPDX-STL
17h 41m1 stop
Multiple Airlines Logo
7:45 pm - 5:12 pmSTL-PDX
47h 27m2 stops
$257Multiple Airlines
Find Deal
Wed, Nov 12 - Sat, Nov 15
Southwest Logo
5:30 am - 5:15 pmPDX-STL
9h 45m2 stops
Southwest Logo
1:45 pm - 8:25 pmSTL-PDX
8h 40m2 stops
$259Southwest
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Mon, Oct 27 - Thu, Oct 30
Frontier Logo
11:45 am - 9:07 amPDX-STL
19h 22m2 stops
Frontier Logo
8:40 pm - 11:56 amSTL-PDX
17h 16m1 stop
$281Frontier
Find Deal
Thu, Oct 30 - Fri, Oct 31
Frontier Logo
12:52 pm - 9:07 amPDX-STL
18h 15m1 stop
Frontier Logo
8:40 pm - 11:56 amSTL-PDX
17h 16m1 stop
$286Frontier
Find Deal
Tue, Nov 4 - Sat, Nov 8
Southwest Logo
3:45 pm - 10:20 pmBOI-STL
5h 35m1 stop
Southwest Logo
5:25 am - 11:00 amSTL-BOI
6h 35m1 stop
$297Southwest
Find Deal
Mon, Dec 29 - Tue, Apr 7
Alaska Airlines Logo
5:10 am - 4:26 pmPDX-STL
9h 16m1 stop
Alaska Airlines Logo
7:00 am - 12:21 pmSTL-PDX
7h 21m1 stop
$299Alaska Airlines
Find Deal
Sun, Apr 5 - Fri, Apr 17
Alaska Airlines Logo
1:45 pm - 11:55 pmPDX-STL
8h 10m1 stop
Alaska Airlines Logo
7:00 am - 12:21 pmSTL-PDX
7h 21m1 stop
$309Alaska Airlines
Find Deal

Everything you should know

Cheapest round-trip
$249
Typical prices: $273-$469
Delta
Sat 11/8Sat 11/15
PDX - STL • 1 stop
Cheapest one-way
$67
Typical prices: $124-$274
Frontier
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$67
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly with an average 1% increase in price.
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
Shrewsbury
Glencoe

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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