$107 Find Cheap Flights from St. Louis to Oregon - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Oregon departing on 10/13. 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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Cheap Flights from St. Louis to Oregon

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Portland
Portland1 stop$222
Eugene
Eugene2 stops$301
Redmond
Redmond2 stops$364
Medford
Medford2 stops$363
Boise
Boise1 stop$252
Portland
Portland1 stop$222
Eugene
Eugene2 stops$301
Redmond
Redmond2 stops$364
Medford
Medford2 stops$363
Boise
Boise1 stop$252

Book Cheap St. Louis to Oregon Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Oregon 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 St. Louis to Oregon

Sun, Sep 20 - Fri, Sep 25
Frontier Logo
8:10 pm - 11:43 am
STL
-
PDX
17h 33m
1 stop
Frontier Logo
12:38 pm - 7:17 pm
PDX
-
STL
28h 39m
1 stop
$222Frontier
Wed, Sep 23 - Thu, Oct 1
Frontier Logo
8:10 pm - 11:43 am
STL
-
PDX
17h 33m
1 stop
Frontier Logo
12:38 pm - 7:17 pm
PDX
-
STL
28h 39m
1 stop
$231Frontier
Sat, Aug 29 - Sat, Sep 5
Multiple Airlines Logo
6:08 pm - 8:20 pm
STL
-
PDX
4h 12mnonstop
Multiple Airlines Logo
12:20 pm - 7:13 pm
PDX
-
STL
28h 53m
1 stop
$272Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Alaska Airlines Logo
6:29 am - 4:36 pm
STL
-
PDX
12h 07m
2 stops
Alaska Airlines Logo
11:16 am - 5:10 pm
PDX
-
STL
3h 54mnonstop
$285Alaska Airlines
Sat, Sep 12 - Sat, Sep 19
Alaska Airlines Logo
6:08 pm - 8:20 pm
STL
-
PDX
4h 12mnonstop
Alaska Airlines Logo
11:16 am - 5:10 pm
PDX
-
STL
3h 54mnonstop
$297Alaska Airlines
Sat, Aug 29 - Sat, Sep 5
Southwest Logo
8:30 am - 10:40 am
STL
-
PDX
4h 10mnonstop
Southwest Logo
9:45 am - 3:30 pm
PDX
-
STL
3h 45mnonstop
$297Southwest
Sat, Aug 29 - Sat, Sep 5
Southwest Logo
8:30 am - 10:40 am
STL
-
PDX
4h 10mnonstop
Southwest Logo
9:00 am - 6:30 pm
PDX
-
STL
7h 30m
1 stop
$307Southwest
Sat, Aug 29 - Sat, Sep 5
Multiple Airlines Logo
6:00 am - 1:33 pm
STL
-
PDX
9h 33m
1 stop
Multiple Airlines Logo
12:20 pm - 7:13 pm
PDX
-
STL
28h 53m
1 stop
$312Multiple Airlines
Tue, Oct 20 - Tue, Oct 27
Delta Logo
3:35 pm - 11:59 pm
STL
-
EUG
10h 24m
2 stops
Delta Logo
6:05 am - 5:44 pm
EUG
-
STL
9h 39m
2 stops
$313Delta
Sat, Oct 10 - Wed, Oct 14
Delta Logo
10:31 am - 10:42 pm
STL
-
PDX
14h 11m
2 stops
Delta Logo
5:30 am - 5:44 pm
PDX
-
STL
10h 14m
2 stops
$313Delta
Booking Insights

KAYAK's insights & trends for St. Louis to Oregon flights

Get data-powered insights and trends into flights from St. Louis to Oregon to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from St. Louis to Oregon?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Oregon departing in September.

Flight prices are below average for this route right now.

Flights to Oregon from St. Louis usually cost between $301 and $462 in September.
The lowest price found in the past 5 days was $222 on Frontier (Sep 20-Sep 25).

What is the cheapest St. Louis to Oregon flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Oregon from St. Louis found in the last 5 days was to Portland, at $259 round-trip. The most popular route is from St. Louis (STL) to Portland (PDX), and the cheapest round-trip airline ticket found on this route in the last 5 days was $259.

What is the cheapest time of day to fly to Oregon?

The average price for all round-trip flights from St. Louis to Oregon depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Oregon is generally in the evening, when round-trip flights cost $444 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Oregon is generally in the evening, which is peak travel time and where the average cost of a ticket is $444.

Can I save money by flying with a layover from St. Louis to Oregon?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $462, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from St. Louis to Oregon?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Oregon, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Oregon is September, when tickets cost $328 (return) on average. On the other hand, the most expensive months are July and June, when the average cost of round-trip tickets is $458 and $456 respectively.

What’s the cheapest day of the week to fly from St. Louis to Oregon?

The average price of all round-trip flights from St. Louis to Oregon clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from St. Louis to Oregon, look for departures on Tuesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Oregon, Friday is the cheapest day to fly and Sunday is the most expensive.

How far in advance should I book a flight from St. Louis to Oregon?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to Oregon, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from St. Louis to Oregon, you should book around 4 weeks before departure, which saves you about 50% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Good to know

Low season

February

Cheapest flight

$107
Most popular time to fly with an average 26% increase in price.
Flight from St. Louis to Portland

FAQs - booking Oregon flights

  • How does KAYAK find such low prices on flights from St. Louis to Oregon?

    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 St. Louis to Oregon.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Oregon?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from St. Louis to 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 St. Louis to Oregon?

    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 from St. Louis to Oregon with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Oregon?

    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 from St. Louis to Oregon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from St. Louis to Oregon

Information on your arrival and departure airports