STL

$113 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 8/31. 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, 0 bags

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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, Aug 18 - Tue, Sep 1
Frontier Logo
5:42 pm - 7:23 pm
PDX
-
STL
23h 41m
1 stop
Frontier Logo
8:08 pm - 4:57 pm
STL
-
PDX
22h 49m
1 stop
$238Frontier
Tue, Aug 18 - Tue, Sep 1
Frontier Logo
5:42 pm - 8:52 am
PDX
-
STL
13h 10m
2 stops
Frontier Logo
8:08 pm - 4:57 pm
STL
-
PDX
22h 49m
1 stop
$263Frontier
Thu, Jul 2 - Wed, Jul 8
Frontier Logo
1:25 pm - 6:53 pm
BOI
-
STL
28h 28m
1 stop
Frontier Logo
8:08 pm - 12:29 pm
STL
-
BOI
17h 21m
1 stop
$289Frontier
Thu, Jul 2 - Tue, Jul 7
Delta Logo
5:24 pm - 12:43 am
PDX
-
STL
5h 19m
1 stop
Delta Logo
7:55 pm - 11:44 pm
STL
-
PDX
5h 49m
1 stop
$319Delta
Sat, Aug 15 - Thu, Aug 20
Southwest Logo
11:30 pm - 9:15 am
PDX
-
STL
7h 45m
1 stop
Southwest Logo
11:55 am - 7:20 pm
STL
-
PDX
9h 25m
2 stops
$324Southwest
Mon, Jul 20 - Wed, Jul 29
Delta Logo
12:33 am - 8:46 am
PDX
-
STL
6h 13m
1 stop
Delta Logo
7:55 pm - 11:44 pm
STL
-
PDX
5h 49m
1 stop
$329Delta
Tue, Oct 20 - Tue, Oct 27
Multiple Airlines Logo
12:23 pm - 7:15 pm
BOI
-
STL
5h 52m
1 stop
Multiple Airlines Logo
7:00 am - 3:23 pm
STL
-
BOI
9h 23m
1 stop
$337Multiple Airlines
Tue, Jun 30 - Tue, Jul 7
United Airlines Logo
2:25 pm - 11:29 pm
PDX
-
STL
7h 04m
1 stop
United Airlines Logo
7:23 pm - 12:50 am
STL
-
PDX
7h 27m
1 stop
$338United Airlines
Wed, Jul 1 - Wed, Jul 8
Multiple Airlines Logo
4:27 pm - 11:59 pm
BOI
-
STL
6h 32m
1 stop
Multiple Airlines Logo
8:08 pm - 12:29 pm
STL
-
BOI
17h 21m
1 stop
$351Multiple Airlines
Wed, Jul 8 - Wed, Jul 22
Southwest Logo
1:40 pm - 11:45 pm
EUG
-
STL
8h 05m
2 stops
Southwest Logo
4:00 pm - 11:15 pm
STL
-
EUG
9h 15m
2 stops
$421Southwest
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$113
Most popular time to fly with an average 3% 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

St. Louis (STL)