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

Popular airlines from Portland International Airport (PDX) to St. Louis Lambert Intl. Airport (STL)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find the cheapest month to fly from Portland (PDX) to St. Louis (STL)

January is typically the cheapest month to fly

From ￥24,574 - ￥67,409 per traveler.

Frequently asked questions

How much is a flight from PDX Airport to Lambert-St. Louis Intl. Airport (STL)?
Round-trip journeys from Portland Airport to Lambert Field start from . This is based on fares available within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from PDX Airport to St. Louis Lambert International Airport?
Most flights can be canceled online, but every airline has its own terms and conditions. If you do decide to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Portland Airport to Lambert-St. Louis Intl. Airport (STL) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Portland Intl. Airport (PDX) to Lambert-St. Louis Intl. Airport (STL) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from PDX Airport to Lambert Field?
You may like to bring your own entertainment (like some downloaded TV shows), as it takes approximately 5 hours and 54 minutes to touch down in Lambert-St. Louis Intl. Airport (STL) from PDX Airport. A good set of noise-canceling headphones will also be useful.
How far is the flight from Portland Intl. Airport (PDX) to Lambert Field?
It's around 2,700 kilometers between Portland Intl. Airport (PDX) and Lambert-St. Louis Intl. Airport (STL), so expect to be up in the air for a while. Keep yourself entertained with things like playing cards (if you're traveling with friends) or a good old-fashioned book.
Which airlines fly direct from Portland Intl. Airport (PDX) to STL?
Unfortunately, there are no airlines that fly direct between Portland Intl. Airport (PDX) and Lambert-St. Louis Intl. Airport (STL). You'll need to book a flight with one or more stops.
Are PDX Airport to Lambert-St. Louis Intl. Airport (STL) flight tickets cheaper when they're purchased at the last minute?
It is possible to score an amazing last-minute deal from Portland Intl. Airport (PDX) to Lambert-St. Louis Intl. Airport (STL), but it can also be hit-or-miss. As many airlines release seats up to a year in advance, it's worth keeping an eye on fares early and being ready to book when you spot a good bargain. Expedia compares air carrier prices and updates flight deals often, so you can be certain you're always seeing the latest offers.

Travel information

Origin airport
Portland Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
2725 km

Book with confidence

Portland to St. Louis Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Portland to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring St. Louis.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with PDX to STL flights that won’t make your bank account wince. Ready to temporarily leave behind Portland for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to STL with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Portland to St. Louis Flights
*Available to Expedia members.