Cheap Flight Tickets from St Louis (STL) to Portland (PDX), Starting at $299

Good to Know: Cheapest and Fastest STL - PDX Flights

Useful information for finding best airline tickets from Lambert St Louis International to Portland International on your next trip.

Cheapest Round Trip Flight

$299

DL Delta Airlines • 1 stop • 10h 13m

Oct 08 – Oct 15

The cheapest round trip flight from St Louis to Portland (STL-PDX-STL) is currently $299

🔍 Search Flights

Fastest Flight

9h 15m

The fastest nonstop flight from St Louis to Portland (STL-PDX) takes 9h 15m

Top Airlines Flying from St Louis to Portland

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Latest Flight Deals from St Louis (STL) to Portland (PDX)

Compare and book low fare round-trip air tickets from St Louis to Portland. Ideal for travelers with confirmed return itineraries.

Oct 08 - Oct 15, Economy
DL
St Louis → Portland
10h 13m
6:21 AM - 10:34 AM • 1 stop
DL
St Louis → Portland
13h 57m
11:12 PM - 9:49 AM • 1 stop
$299
Delta Airlines
Oct 08 - Oct 15, Economy
WN
St Louis → Portland
12h 35m
4:50 PM - 10:45 PM • 1 stop
WN
St Louis → Portland
8h 25m
6:20 AM - 1:25 PM • 1 stop
$665
Southwest Airlines
Oct 08 - Oct 15, Economy
WN
St Louis → Portland
10h 25m
5:10 AM - 9:35 AM • 1 stop
WN
St Louis → Portland
8h 30m
2:35 PM - 9:45 PM • 1 stop
$665
Southwest Airlines
Oct 08 - Oct 15, Economy
WN
St Louis → Portland
9h 15m
4:50 PM - 8:45 PM • 1 stop
WN
St Louis → Portland
10h
11:00 AM - 7:00 PM • 1 stop
$665
Southwest Airlines
Oct 08 - Oct 15, Economy
WN
St Louis → Portland
13h 20m
5:30 AM - 11:30 AM • 1 stop
WN
St Louis → Portland
8h 25m
6:20 AM - 1:25 PM • 1 stop
$665
Southwest Airlines
Oct 08 - Oct 15, Economy
WN
St Louis → Portland
10h 15m
6:05 AM - 10:20 AM • 1 stop
WN
St Louis → Portland
8h 30m
2:35 PM - 9:45 PM • 1 stop
$665
Southwest Airlines

Fly from St Louis to Portland with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from St Louis to Portland? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on St Louis to Portland Flights

What are the airports in St Louis?
STL
What’s the most popular airline flying from STL to PDX?
The most popular airline flying from St Louis to Portland are
Can I fly from STL to PDX non-stop?
NO
Which airlines fly nonstop between St Louis and Portland?
The non-stop flights between St Louis and Portland are .
What’s the earliest departure time from STL to PDX Airport?
The earliest flight leaves STL at 5:10 am and lands in PDX - Portland International
What are the airports in Portland?
PDX
Can I make changes to my St Louis to Portland flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from STL to PDX?
Read the fare rules of the St Louis to Portland air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from St Louis and Portland?
operate flights between St Louis and Portland
How long does a flight from St Louis to Portland take?
It takes approximately 4 hour to fly non-stop from STL to PDX, which is 1707.87 miles by air.
Which airlines provide the cheapest flights from St Louis (STL) to Portland (PDX) ?
In the past couple of days, the cheapest tickets to PDX from STL were found on WN : USD 665
Do I need a passport to fly between STL and PDX?
No
What’s the latest departure time from STL to PDX ?
The last flight leaves STL at 4:50 pm

St Louis (STL) to Portland (PDX): Airport Information

Origin Airport Lambert St Louis International , St Louis, US
Destination Airport Portland International , Portland, US
Distance 1708 miles

More Flight Options for St Louis (STL) and Portland (PDX)

Why Fareleaders for STL to PDX Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on St Louis to Portland flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on STL to PDX flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of St Louis to Portland flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the St Louis (STL) to Portland (PDX)
Terms and Conditions*