STL

$85 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 5/1. 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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Cheap Flight Deals 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

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Oregon to St. Louis.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
9:21 pm - 5:43 pmPDX-STL
18h 22m1 stop
6:51 pm - 12:37 amSTL-PDX
7h 46m1 stop
$170Frontier
Find Deal
Thu, Apr 3 - Mon, Apr 7
6:40 am - 9:06 amPDX-STL
24h 26m1 stop
6:51 pm - 12:37 amSTL-PDX
7h 46m1 stop
$180Frontier
Find Deal
Fri, Apr 4 - Mon, Apr 7
12:59 am - 10:34 amPDX-STL
7h 35m1 stop
5:00 pm - 11:44 pmSTL-PDX
8h 44m1 stop
$199Delta
Find Deal
Mon, Mar 31 - Tue, Apr 8
4:50 pm - 12:55 amPDX-STL
6h 05m1 stop
5:55 pm - 11:10 pmSTL-PDX
7h 15m1 stop
$213Southwest
Find Deal
Fri, Apr 4 - Tue, Apr 8
7:10 pm - 9:35 amPDX-STL
12h 25m1 stop
7:30 pm - 12:35 amSTL-PDX
7h 05m1 stop
$218Southwest
Find Deal
Wed, Apr 30 - Sun, May 4
11:59 pm - 10:39 amPDX-STL
8h 40m1 stop
5:00 am - 9:42 amSTL-PDX
6h 42m1 stop
$227United Airlines
Find Deal
Tue, Jun 3 - Sun, Jun 8
2:47 pm - 11:59 pmBOI-STL
8h 12m1 stop
6:44 am - 1:52 pmSTL-BOI
8h 08m1 stop
$241Alaska Airlines
Find Deal
Mon, Mar 31 - Wed, Apr 2
5:59 pm - 12:32 amBOI-STL
5h 33m1 stop
2:20 pm - 6:56 pmSTL-BOI
5h 36m1 stop
$242Delta
Find Deal
Mon, Mar 31 - Thu, Apr 3
5:00 am - 2:42 pmBOI-STL
8h 42m2 stops
5:33 pm - 10:49 pmSTL-BOI
6h 16m1 stop
$312United Airlines
Find Deal
Wed, Apr 2 - Sat, Apr 5
9:40 am - 11:09 pmBOI-STL
12h 29m2 stops
6:44 am - 12:32 pmSTL-BOI
6h 48m1 stop
$428Alaska Airlines
Find Deal
Wed, Mar 26 - Sun, Mar 30

Good to know

Low season

January

High season

May

Cheapest flight

$85
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly and prices are also 5% 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.

See more FAQs

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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