$119+ Cheap flights from Portland to St. Louis (PDX - STL)

Booking a flight from Portland (PDX) to Lambert-St Louis (STL) is your only option if you wish to fly from Portland to St. Louis. On a typical day, there is 1 flight from Portland to Lambert-St Louis, all of which are around 3h 48m for a nonstop flight. You can also purchase a plane ticket from 6 airlines when you book a flight from Portland to St. Louis.

For as low as $328, Southwest can have you in St. Louis from Portland in 6h 20m. There are 1702 mi between Portland and St. Louis. Both multi-stop and nonstop flights can be found to your destination and back.

Currently priced at $75, Frontier will fly you from Portland to St. Louis and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Alaska Airlines - these airlines can fly you to your destination from $177 and $213, respectively. Users have found that Frontier is 79% cheaper than the other options available to this destination.

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $86. American Airlines flights start at $113 while deals on United Airlines start at $114 one-way.

Looking at all options, your cheapest flight can be booked for $189. While the most popular route (Portland - Lambert-St Louis) can be booked for $286 on average, our data indicates $350 when flying from Portland to St. Louis.

Portland to St. Louis flights have a layover in Denver most of the time.

If you're on a layover in Denver and looking for things to do, consider visiting Coors Field, 16th Street Mall, or Paramount Theatre. Coors Field, 16th Street Mall, and Paramount Theatre are located about 18.4 mi, 18.7 mi, and 18.6 mi, respectively from Denver Intl. Travelers can rent a car at Denver Intl for an average daily rate of $76 to make sightseeing during their layover a little easier.

Of the flights from Portland to St. Louis that have layovers, the fewest flights stop in Salt Lake City.

Yes. In addition to deals on Portland to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to St. Louis.

Yes. Cheapflights offers flight deals from Portland to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Currently, November is the cheapest month in which you can book a flight from Portland to St. Louis (average of $300). Flying from Portland to St. Louis in July is currently the most expensive (average of $417). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.