STL

$54 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 3/6. 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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41 299 237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$237
Overall average: $466
Delta
Sat 2/21Tue 2/24
EUG - STL • 1 stop
Cheapest non-stop
$249
Alaska Airlines
Wed 5/20Mon 5/25
PDX - STL • Non-stop
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We hope you love your trip to St. Louis!
Flight Deals
Useful Info
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, Feb 21 - Tue, Feb 24
Delta Logo
5:15 am - 1:32 pm
EUG
-
STL
6h 17m
1 stop
Delta Logo
7:00 am - 11:50 am
STL
-
EUG
6h 50m
1 stop
$237Delta
Wed, Jun 3 - Sat, Jun 6
Alaska Airlines Logo
10:39 am - 7:00 pm
PDX
-
STL
6h 21m
1 stop
Alaska Airlines Logo
6:20 pm - 8:37 pm
STL
-
PDX
4h 17mnonstop
$239Alaska Airlines
Sat, Apr 25 - Sat, May 16
Frontier Logo
12:27 pm - 7:12 pm
PDX
-
STL
28h 45m
1 stop
Frontier Logo
4:16 pm - 8:59 am
STL
-
PDX
18h 43m
1 stop
$243Frontier
Mon, Feb 23 - Fri, Feb 27
American Airlines Logo
11:35 pm - 8:41 am
PDX
-
STL
7h 06m
1 stop
American Airlines Logo
6:00 am - 11:02 am
STL
-
PDX
7h 02m
1 stop
$249American Airlines
Sat, Feb 21 - Tue, Feb 24
United Airlines Logo
7:00 am - 4:02 pm
PDX
-
STL
7h 02m
1 stop
United Airlines Logo
6:25 am - 1:44 pm
STL
-
PDX
9h 19m
2 stops
$254United Airlines
Wed, May 6 - Sun, May 10
Frontier Logo
1:48 pm - 7:12 pm
PDX
-
STL
27h 24m
1 stop
Frontier Logo
9:55 pm - 8:59 am
STL
-
PDX
13h 04m
1 stop
$256Frontier
Sun, Apr 5 - Wed, Apr 8
American Airlines Logo
5:10 am - 1:47 pm
EUG
-
STL
6h 37m
1 stop
American Airlines Logo
8:00 am - 1:26 pm
STL
-
EUG
7h 26m
1 stop
$282American Airlines
Thu, Mar 5 - Wed, Mar 11
United Airlines Logo
1:17 pm - 8:41 pm
EUG
-
STL
5h 24m
1 stop
United Airlines Logo
2:50 pm - 9:07 pm
STL
-
EUG
8h 17m
1 stop
$294United Airlines
Thu, May 14 - Sun, May 17
Southwest Logo
4:20 pm - 10:05 pm
BOI
-
STL
4h 45m
1 stop
Southwest Logo
6:15 am - 10:25 am
STL
-
BOI
5h 10m
1 stop
$343Southwest
Thu, May 14 - Sun, May 17
Southwest Logo
4:20 pm - 10:05 pm
BOI
-
STL
4h 45m
1 stop
Southwest Logo
6:15 am - 10:25 am
STL
-
BOI
5h 10m
1 stop
$398Southwest
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$54
Best time to beat the crowds but there is an average 14% increase in price.
Most popular time to fly and prices are also 4% 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