Cheap Flights from Portland (PDX) to St. Louis (XLS)

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Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to St. Louis (XLS) cost?
Discover the latest flight deals from PDX to XLS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PDX to XLS?
The cheapest flights from PDX to XLS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PDX to XLS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from PDX to XLS. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Portland Intl. Airport (PDX) to St. Louis (XLS)?
You’ll have to take a flight with a layover when traveling from Portland Intl. Airport (PDX) to St. Louis (XLS). Direct flights don’t operate daily on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from PDX to XLS?
Generally you’ll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to St. Louis (XLS)?
To land at St. Louis (XLS) on time, book a flight that leaves from Portland Intl. Airport (PDX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to St. Louis (XLS) last-minute?
Waiting until just before your trip to book a ticket from PDX to XLS generally means paying more. While it’s possible to find some last-minute deals, they’re not always guaranteed. Be flexible with your travel plans to boost your chances of getting a bargain.
Is it cheaper to book a PDX to XLS flight and hotel package?
You’ll generally save money by booking a PDX to XLS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s simple to manage it all in one convenient place. After selecting your ideal accommodations and flights, consider adding extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to St. Louis (XLS)?
Generally, it’s possible to cancel or reschedule your PDX to XLS flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find further details on our Customer Service portal.
*Available to One Key members.