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The minimum one-way ticket price from Portland to Saint Louis is $142 (October 2026), while the maximum is $184 (March 2026). On average, a ticket costs $163–$184.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Portland to Saint Louis:
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Looking for budget-friendly flights from Portland to Saint Louis? Look no further! Our air ticket search website offers an extensive range of cheap flights to help you save big on your travel expenses. With our easy-to-use platform, finding the best deals is just a few clicks away. Search and compare prices from various airlines to find the most affordable options that fit your schedule. Whether you're planning a weekend getaway or a business trip, we've got you covered. Don't let expensive airfares hold you back from exploring Saint Louis. Book your cheap flight today and enjoy the vibrant city with its iconic Gateway Arch, delicious cuisine, and rich cultural history. Start your adventure without breaking the bank with our unbeatable deals on flights from Portland to Saint Louis!
Unable to find information about the schedule of direct flights from
Fly from Portland to your dream destination with ease using the city's convenient airports. Portland boasts two major airports: Portland International Airport (PDX) and Hillsboro Airport (HIO). Portland International Airport (PDX), located just outside downtown Portland, offers numerous benefits for travelers. With its modern facilities and excellent services, PDX ensures a hassle-free journey. It serves as a major hub for prestigious airlines, including Alaska Airlines, Delta Air Lines, and Southwest Airlines, providing you with a wide range of flight options. Reach the airport easily by public transportation, with quick connections from downtown Portland via the MAX Light Rail. Moreover, PDX is renowned for its eco-friendly initiatives, offering a sustainable travel experience. Hillsboro Airport (HIO), located in Hillsboro, caters to travelers seeking a more serene and convenient travel experience. Avoid the crowds and long lines typically associated with larger airports. HIO is commonly used by private jets and small aircraft, providing a relaxed atmosphere for passengers. While it is a bit farther from downtown Portland, the airport offers hassle-free parking and shorter security lines, allowing for a stress-free departure. Consider your travel preferences and needs to decide which airport suits you best. PDX provides a wide range of flight options and efficient transportation links, while HIO offers a more peaceful and relaxed travel experience. Whichever airport you choose, our air ticket search website ensures you find the best deals, saving you time and money. Book your tickets today and embark on your next adventure from Portland!
A non-stop flight is the most convenient and comfortable way to fly from Portland to Saint Louis, despite the fact that sometimes flights with transfers can cost significantly less.
We couldn't find any special offers for flights from Portland to Saint Louis
Portland — Saint Louis
10/01/2026
Departure
Direct flight
AS1453
starting at $142
starting at $142
starting at $184
The route Portland — Saint Louis is served by several airlines: Alaska Airlines and American Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $142 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
The cheapest flight ticket from Portland to Saint Louis according to data for the last 48 hours costs $142
Often the best time to buy tickets from Portland to Saint Louis is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Portland to Saint Louis can be found flying in these months: October, March.
The fastest flights from Portland to Saint Louis start from 3 hours 48 minutes in the air.
The following airlines operate direct flights on the route Portland — Saint Louis: Alaska Airlines
The cheapest one-way flight from Portland to Saint Louis departs on 10/01/2026, is operated by Alaska Airlines and costs $142
The cheapest roundtrip flight from Portland to Saint Louis departs on 03/19/2026, is operated by American Airlines and costs $440
Fastest flight from Portland to Saint Louis takes 3h 48m
There are direct flights on this route 1 day a week: Th
The distance between Portland and Saint Louis is 2760km (1711 miles). The time difference between Portland and Saint Louis is 2h