CA $309 Cheap Flights from Portland (PWM) to St. Louis (STL)

Popular airlines from Portland Intl. Jetport Airport (PWM) to Lambert-St. Louis International Airport (STL)

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Cheap flights from Portland (PWM) to St. Louis (STL)

Prices were available within the past 7 days and start at CA $309 for one-way flights and CA $618 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Delta
Delta
Delta
Delta
Delta
Delta
American Airlines
American Airlines
American Airlines

Frequently asked questions

How much is a flight from Portland Intl. Jetport Airport (PWM) to St. Louis Lambert International Airport?
Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Portland Intl. Jetport Airport (PWM) to STL start from CA $618. Make your booking ASAP to secure the best price for your adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Portland Intl. Jetport Airport (PWM) to St. Louis Lambert International Airport?
This differs between airlines, as each has its own set of terms and conditions. Visit the Customer Service Portal, where there are easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from Portland Intl. Jetport Airport (PWM) to St. Louis Lambert International Airport 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. Jetport Airport (PWM) to Lambert Field flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Portland Intl. Jetport Airport (PWM) to Lambert-St. Louis Intl. Airport (STL)?
It’s around 1,750 kilometers between Portland and St. Louis, so expect to be flying for a while. Keep yourself occupied with things like a magazine or the latest bestseller.
Which airlines fly direct from PWM to Lambert Field?
You won’t find any airlines flying directly between PWM and STL, so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a nice way to break up a trip!
Are PWM to STL flight tickets cheaper when they're purchased at the last minute?
Flight prices from Portland Intl. Jetport to STL are available up to a year prior to departure on Expedia. And although you may nab fantastic last-minute deals, it’s never something you can count on. Also, booking your flights in advance means you’ll have more choices — and you can avoid being wedged in the dreaded middle seat! We frequently update our fares to bring you the best bargains, so check back often for all the latest specials.
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