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Uncover the best deals on St Louis to Portland flights by comparing fares from hundreds of airlines and agencies.
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
$276
Southwest Airlines
• 2 stops
• 18h 30m
Aug 19 – Aug 22
The cheapest round trip flight from St Louis to Portland (STL-PDX-STL) is currently $276
Cheapest Direct Flight
$913
Alaska Airlines
• nonstop
• 6h 52m
Aug 19
The cheapest nonstop flight from St Louis to Portland (STL-PDX) is currently $913
Fastest Flight
6h 52m
The fastest nonstop flight from St Louis to Portland (STL-PDX) takes 6h 52m
Top Airlines Flying from St Louis to Portland
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.
Aug 19 - Aug 22, Economy
St Louis → Portland
18h 30m
9:05 AM - 6:15 PM • 2 stops
St Louis → Portland
5h 45m
9:45 AM - 3:30 PM • nonstop
Southwest Airlines
Aug 19 - Aug 22, Economy
St Louis → Portland
18h 25m
12:50 PM - 9:55 PM • 2 stops
St Louis → Portland
5h 45m
9:45 AM - 3:30 PM • nonstop
Southwest Airlines
Aug 19 - Aug 22, Economy
St Louis → Portland
10h 15m
7:05 AM - 11:20 AM • 1 stop
St Louis → Portland
5h 45m
9:45 AM - 3:30 PM • nonstop
Southwest Airlines
Aug 19 - Aug 22, Economy
St Louis → Portland
10h 27m
3:50 PM - 8:17 PM • 1 stop
St Louis → Portland
9h 5m
1:15 PM - 9:00 PM • 1 stop
Delta Airlines
Aug 19 - Aug 22, Economy
St Louis → Portland
6h 52m
6:08 PM - 8:20 PM • nonstop
St Louis → Portland
5h 54m
11:16 AM - 5:10 PM • nonstop
Alaska Airlines
Looking for the fastest way to Portland? These direct flight options from STL to PDX offer both convenience and value—no layovers, just straight to your destination.
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?
Yes, you can fly STL to PDX non-stop on
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 7:05 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 DL : USD 912
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 6:08 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 |
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