STL

$82 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 4/15. 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

Fri, Apr 10 - Mon, Apr 13
Frontier Logo
11:58 am - 9:48 am
PDX
-
STL
19h 50m
1 stop
Frontier Logo
8:19 pm - 1:02 pm
STL
-
PDX
18h 43m
1 stop
$177Frontier
Fri, Apr 10 - Mon, Apr 13
Frontier Logo
11:58 am - 9:48 am
PDX
-
STL
19h 50m
1 stop
Frontier Logo
8:19 pm - 1:02 pm
STL
-
PDX
18h 43m
1 stop
$194Frontier
Wed, May 13 - Sat, May 16
Alaska Airlines Logo
10:37 am - 4:37 pm
PDX
-
STL
4h 00mnonstop
Alaska Airlines Logo
5:33 pm - 7:50 pm
STL
-
PDX
4h 17mnonstop
$197Alaska Airlines
Wed, May 6 - Mon, May 11
Frontier Logo
1:48 pm - 7:12 pm
PDX
-
STL
27h 24m
1 stop
Frontier Logo
8:12 pm - 1:02 pm
STL
-
PDX
18h 50m
1 stop
$199Frontier
Wed, May 6 - Mon, May 11
Frontier Logo
1:48 pm - 7:12 pm
PDX
-
STL
27h 24m
1 stop
Frontier Logo
9:55 pm - 1:02 pm
STL
-
PDX
17h 07m
2 stops
$200Frontier
Wed, Apr 22 - Wed, Apr 29
Delta Logo
6:00 am - 2:29 pm
PDX
-
STL
6h 29m
1 stop
Delta Logo
2:20 pm - 6:08 pm
STL
-
PDX
5h 48m
1 stop
$217Delta
Wed, May 13 - Sun, May 17
Multiple Airlines Logo
10:37 am - 4:37 pm
PDX
-
STL
4h 00mnonstop
Multiple Airlines Logo
9:55 pm - 8:59 am
STL
-
PDX
13h 04m
1 stop
$220Multiple Airlines
Tue, Apr 7 - Tue, May 12
Delta Logo
5:15 am - 1:17 pm
EUG
-
STL
6h 02m
1 stop
Delta Logo
7:59 pm - 11:43 pm
STL
-
EUG
5h 44m
1 stop
$277Delta
Wed, Apr 1 - Wed, Apr 8
American Airlines Logo
7:00 am - 3:28 pm
BOI
-
STL
7h 28m
1 stop
American Airlines Logo
5:20 am - 12:51 pm
STL
-
BOI
8h 31m
1 stop
$277American Airlines
Wed, Apr 22 - Wed, Apr 29
Alaska Airlines Logo
2:57 pm - 11:59 pm
BOI
-
STL
8h 02m
1 stop
Alaska Airlines Logo
7:00 am - 3:33 pm
STL
-
BOI
9h 33m
1 stop
$279Alaska Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$82
Best time to beat the crowds but there is an average 8% increase in price.
Most popular time to fly and prices are also 7% 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.

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