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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
$708
Delta Airlines
• 1 stop
• 14h 18m
Jul 24 – Jul 31
The cheapest round trip flight from St Louis to Portland (STL-PDX-STL) is currently $708
Cheapest Direct Flight
$757
Alaska Airlines
• nonstop
• 6h 50m
Jul 24
The cheapest nonstop flight from St Louis to Portland (STL-PDX) is currently $757
Fastest Flight
6h 50m
The fastest nonstop flight from St Louis to Portland (STL-PDX) takes 6h 50m
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.
Jul 24 - Jul 31, Economy
St Louis → Portland
14h 18m
6:00 AM - 12:58 PM • 1 stop
St Louis → Portland
5h 48m
10:49 AM - 4:37 PM • nonstop
Delta Airlines
Jul 24 - Jul 31, Economy
St Louis → Portland
13h 40m
12:40 PM - 7:00 PM • 1 stop
St Louis → Portland
8h 40m
7:30 AM - 2:50 PM • 1 stop
Southwest Airlines
Jul 24 - Jul 31, Economy
St Louis → Portland
13h 28m
11:10 AM - 7:18 PM • 1 stop
St Louis → Portland
15h 38m
11:05 AM - 8:43 PM • 1 stop
United Airlines
Jul 24 - Jul 31, Economy
St Louis → Portland
12h 31m
2:57 PM - 10:48 PM • 1 stop
St Louis → Portland
15h 43m
1:02 PM - 10:45 PM • 1 stop
United Airlines
Jul 24 - Jul 31, Economy
St Louis → Portland
15h 35m
2:50 PM - 10:25 PM • 1 stop
St Louis → Portland
12h 12m
10:59 PM - 8:31 AM • 1 stop
Alaska Airlines
Flying to Portland soon? We've surfaced some of the most affordable last-minute flights from St Louis to Portland, ideal for urgent plans or spontaneous trips.
Jul 24 - Jul 31, Economy
St Louis → Portland
14h 18m
6:00 AM - 12:58 PM • 1 stop
St Louis → Portland
5h 48m
10:49 AM - 4:37 PM • nonstop
Delta Airlines
Jul 24 - Jul 31, Economy
St Louis → Portland
13h 40m
12:40 PM - 7:00 PM • 1 stop
St Louis → Portland
8h 40m
7:30 AM - 2:50 PM • 1 stop
Southwest Airlines
Jul 24 - Jul 31, Economy
St Louis → Portland
13h 28m
11:10 AM - 7:18 PM • 1 stop
St Louis → Portland
15h 38m
11:05 AM - 8:43 PM • 1 stop
United Airlines
Jul 24 - Jul 31, Economy
St Louis → Portland
12h 31m
2:57 PM - 10:48 PM • 1 stop
St Louis → Portland
15h 43m
1:02 PM - 10:45 PM • 1 stop
United Airlines
Jul 24 - Jul 31, Economy
St Louis → Portland
15h 35m
2:50 PM - 10:25 PM • 1 stop
St Louis → Portland
12h 12m
10:59 PM - 8:31 AM • 1 stop
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 6:00 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 AS : USD 4540
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 5:37 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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