Cheap Alaska Airlines flights Portland (PDX) to St. Louis (STL)

Flights from Portland (PDX) to St. Louis (STL)
Origin airport
Portland Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
1703 mi
Average flight time
3 hours 40 mins

Frequently asked questions

How much is an Alaska Airlines flight from Portland Intl. Airport (PDX) to Lambert-St. Louis Intl. Airport (STL)?
Use the "Price (lowest to highest)" filter on Expedia to look for cheap Alaska Airlines return flights from PDX to STL. Affordable one-way fares are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from PDX to STL with Alaska Airlines?
January is one of the least expensive months to fly to St. Louis with Alaska Airlines. You could also find great deals on return and one-way tickets in February.
What is the cheapest time to book flights from Portland Intl. Airport (PDX) to Lambert-St. Louis Intl. Airport (STL) with Alaska Airlines?
For cheap Alaska Airlines fares from Portland Intl. Airport (PDX) to Lambert-St. Louis Intl. Airport (STL), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the overall price. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Alaska Airlines fly nonstop from Portland Intl. Airport (PDX) to Lambert-St. Louis Intl. Airport (STL)?
Enter your dates, click search and tick the "Nonstop" filter on Expedia to browse any direct flights from PDX to STL with Alaska Airlines or another airline.
What is the earliest Alaska Airlines flight from PDX to STL?
Filter your results by "Morning" and "Early Morning" to browse the earliest departures from PDX to STL. Leaving early means you're 20% less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Alaska Airlines fly into in St. Louis?
Jump on an Alaska Airlines flight from Portland Intl. Airport (PDX) to St. Louis, and you'll probably land at Lambert-St. Louis Intl. Airport (STL). This is the airline's primary hub in this city.
Why fly with Alaska Airlines from PDX to STL?
With a rewarding loyalty program and an excellent in-flight experience, Alaska Airlines is the leading choice for many travelers heading from PDX to STL. Also, if you're a Mileage Plan and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Alaska Airlines flight from Portland Intl. Airport (PDX) to Lambert-St. Louis Intl. Airport (STL)?
You can usually cancel or change your flight, although there may be additional charges if you made your booking over 24 hours ago. Prefer to keep your options open? Use Expedia's "Changes included" or "No cancel fee" filter to find flights that won't charge extra if you have to adjust your plans. To modify your booking, head to "Trips," select your flight and click on "Manage Booking" for further information.

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*Available to One Key members.