Menu

Cheap flights from St Louis to Portland (STL - PDX)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from St Louis to Portland are usually found in January or August, booked 58 days in advance, depart on a Monday or Saturday and return on a Friday

How to find the cheapest flight from
St Louis (STL) to Portland (PDX)

STL - PDX
Price
$244 - $330
PDX
Temperature
48.2 - 82.4 °F
PDX
Rainfall
0.7 - 5.5 inches
Popular in March High demand for flights, 14% potential price rise
Cheapest in January Best time to find cheap flights, 14% potential price drop
Round-trip from €244 From St Louis to Portland
One-way from €106 One-way flight from St Louis to Portland
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from St Louis to Portland?

Saturday flights are generally found to be more expensive for flights from St Louis to Portland. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Portland.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 22 days in advance, which can save you up to 19% on flights from St Louis to Portland compared to booking the week you need them. Waiting 22 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $129. For sooner than that we have options available in the next 3 days from $157.

What is the cheapest month to fly from St Louis to Portland?

Our data shows that February tends to be the cheapest month to fly to Portland from St Louis. Users have commonly found prices around $131 for the month, but tickets can be as low as $77. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from St Louis to Portland (STL - PDX)?

When flying from St Louis to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 27% versus a flight in the morning.

Cheap flights from St Louis to Portland in September, October 2020

The best prices found for STL to PDX flights for September, October
10 Oct - 16 Oct
$205pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PDX
Portland
PDX
Portland
Frontier
 
1 STOP
STL
Lambert-St Louis
11 Oct - 15 Oct
$215pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
PDX
Portland
PDX
Portland
Frontier
 
1 STOP
STL
Lambert-St Louis
1 Oct - 7 Oct
$218pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PDX
Portland
PDX
Portland
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

St Louis to Portland 2020 flight deals

Cheap flights to Portland from St Louis found for this year
8 Nov - 10 Nov
$200pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PDX
Portland
PDX
Portland
American Airlines
 
1 STOP
STL
Lambert-St Louis
10 Oct - 12 Oct
$205pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PDX
Portland
PDX
Portland
Frontier
 
1 STOP
STL
Lambert-St Louis
8 Nov - 8 Nov
$210pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PDX
Portland
PDX
Portland
United Airlines
 
1 STOP
STL
Lambert-St Louis

Last minute flights from St Louis to Portland

Late deals on round-trip flights to Portland from St Louis, departing today and this week
30 Sep - 7 Oct
$215pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PDX
Portland
PDX
Portland
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
1 Oct - 7 Oct
$218pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PDX
Portland
PDX
Portland
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
30 Sep - 9 Oct
$220pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PDX
Portland
PDX
Portland
American Airlines
 
1 STOP
STL
Lambert-St Louis

One-way flights to Portland from St Louis

The cheapest one-way flights from St Louis to Portland
1:00 pm - 6:53 pm
Multiple Airlines
1 Stop
7h 53m
STL - PDX
Multiple Airlines
$106
Kiwi.com
5:15 pm - 8:17 am
Multiple Airlines
1 Stop
17h 02m
STL - PDX
Multiple Airlines
$116
Kiwi.com
12:18 pm - 5:45 am
Multiple Airlines
1 Stop
19h 27m
STL - PDX
Multiple Airlines
$119
Kiwi.com

Related info for your journey

Useful info, stats and facts about St Louis to Portland flights.

Flight FAQs

From St Louis to Portland

Are flight prices decreasing from St Louis to Portland due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Portland for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from St Louis to Portland for under $200 on Cheapflights?

Yes, there are multiple flights from St Louis to Portland for under $200. The cheapest flight booked recently is on Multiple Airlines for just $200, but on average you can expect to pay $224.

Are there nonstop flights from St Louis to Portland for under $200 on Cheapflights?

There are no nonstop flights from St Louis to Portland, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from St Louis to Portland for under $300?

There are currently 20+ open flights from St Louis to Portland within the next 7 days for less than $300.

How popular is this flight route?

The Lambert-St Louis to Portland flight path was viewed by 69 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Does it rain more in St Louis or Portland?

When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in St Louis is typically greater than that of Portland. We can gather that this will continue over the next 10 days.

Is St Louis weather warmer or cooler than Portland?

You can imagine temperatures to be in the 90 °F range in July. The weather in Portland is generally colder than St Louis's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from St Louis to Portland?

Departing from St Louis to Portland will take you 6h 07m. This flight may include one or multiple stops.

What is the cheapest airline to fly from St Louis to Portland round-trip?

British Airways, at $239, was found to be the cheapest airline from St Louis to Portland.. British Airways is 16% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from St Louis to Portland one-way?

For one-way options, check prices for Delta. According to our data, you can fly for as low as $133.

Alternative routes for St Louis to Portland

Destination information for Portland

Things to know before you go. Useful info for your trip from St Louis to Portland
Average temperature for September in Portland
78.8 °F
Avg rainfall for September in Portland
1.2 ″

Airports servicing St. Louis

Airports servicing Portland

Home North America USA Oregon Portland Cheap flights from St Louis to Portland