STL

$72 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 4/29. 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

Thu, May 7 - Wed, May 13
Frontier Logo
9:46 pm - 8:23 pm
PDX
-
STL
20h 37m
1 stop
Frontier Logo
6:51 pm - 8:51 pm
STL
-
PDX
28h 00m
1 stop
$241Frontier
Mon, Apr 27 - Thu, May 14
Frontier Logo
11:48 am - 7:32 pm
PDX
-
STL
5h 44m
1 stop
Frontier Logo
12:36 pm - 8:51 pm
STL
-
PDX
10h 15m
1 stop
$250Frontier
Sat, May 23 - Wed, May 27
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
$257Alaska Airlines
Wed, May 6 - Wed, May 13
Alaska Airlines Logo
8:45 am - 11:59 pm
PDX
-
STL
13h 14m
1 stop
Alaska Airlines Logo
5:33 pm - 7:50 pm
STL
-
PDX
4h 17mnonstop
$267Alaska Airlines
Sat, May 30 - Tue, Jun 2
Delta Logo
2:23 pm - 11:21 pm
BOI
-
STL
7h 58m
1 stop
Delta Logo
6:21 am - 1:18 pm
STL
-
BOI
7h 57m
1 stop
$357Delta
Sat, May 30 - Sat, Jun 6
Delta Logo
5:10 am - 1:32 pm
EUG
-
STL
6h 22m
1 stop
Delta Logo
5:00 pm - 10:31 pm
STL
-
EUG
7h 31m
1 stop
$357Delta
Tue, May 19 - Sun, May 24
Southwest Logo
4:05 pm - 11:15 pm
BOI
-
STL
6h 10m
1 stop
Southwest Logo
6:30 am - 12:25 pm
STL
-
BOI
6h 55m
1 stop
$372Southwest
Thu, May 7 - Sun, May 10
United Airlines Logo
12:52 pm - 8:43 pm
MFR
-
STL
5h 51m
1 stop
United Airlines Logo
8:46 am - 1:01 pm
STL
-
MFR
6h 15m
1 stop
$374United Airlines
Sat, May 9 - Sun, May 10
Southwest Logo
2:50 pm - 9:15 pm
BOI
-
STL
5h 25m
1 stop
Southwest Logo
6:35 pm - 1:25 am
STL
-
BOI
7h 50m
1 stop
$392Southwest
Mon, Apr 20 - Fri, Apr 24
United Airlines Logo
6:31 pm - 8:25 am
MFR
-
STL
11h 54m
2 stops
United Airlines Logo
2:40 pm - 9:37 pm
STL
-
MFR
8h 57m
1 stop
$404United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$72
Best time to beat the crowds with an average 1% drop in price.
Most popular time to fly with an average 2% 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