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

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

Prices were available within the past 7 days and start at for one-way flights and £235 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, 9 Jul - Tue, 23 Jul
STL
St. Louis
PDX
Portland
£235 Return, found 1 hour ago
£235
Return
found 1 hour ago
Select Alaska Airlines flight, departing Tue, 9 Jul from St. Louis to Portland, returning Tue, 23 Jul, priced at £235 found 1 hour ago
Alaska Airlines
Fri, 1 Nov - Mon, 11 Nov
STL
St. Louis
PDX
Portland
£251 Return, found 2 days ago
£251
Return
found 2 days ago
Select Alaska Airlines flight, departing Fri, 1 Nov from St. Louis to Portland, returning Mon, 11 Nov, priced at £251 found 2 days ago
Alaska Airlines
Tue, 9 Jul - Tue, 23 Jul
STL
St. Louis
PDX
Portland
£282 Return, found 1 hour ago
£282
Return
found 1 hour ago
Select Alaska Airlines flight, departing Tue, 9 Jul from St. Louis to Portland, returning Tue, 23 Jul, priced at £282 found 1 hour ago
Alaska Airlines
Fri, 1 Nov - Mon, 11 Nov
STL
St. Louis
PDX
Portland
£282 Return, found 2 days ago
£282
Return
found 2 days ago
Select Alaska Airlines flight, departing Fri, 1 Nov from St. Louis to Portland, returning Mon, 11 Nov, priced at £282 found 2 days ago
Alaska Airlines
Tue, 18 Jun - Tue, 25 Jun
STL
St. Louis
PDX
Portland
£308 Return, found 2 days ago
£308
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 18 Jun from St. Louis to Portland, returning Tue, 25 Jun, priced at £308 found 2 days ago
Alaska Airlines
Tue, 18 Jun - Tue, 25 Jun
STL
St. Louis
PDX
Portland
£323 Return, found 3 days ago
£323
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue, 18 Jun from St. Louis to Portland, returning Tue, 25 Jun, priced at £323 found 3 days ago
Alaska Airlines
Tue, 18 Jun - Tue, 25 Jun
STL
St. Louis
PDX
Portland
£339 Return, found 2 days ago
£339
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 18 Jun from St. Louis to Portland, returning Tue, 25 Jun, priced at £339 found 2 days ago
Alaska Airlines
Tue, 18 Jun - Tue, 25 Jun
STL
St. Louis
PDX
Portland
£342 Return, found 4 days ago
£342
Return
found 4 days ago
Select Alaska Airlines flight, departing Tue, 18 Jun from St. Louis to Portland, returning Tue, 25 Jun, priced at £342 found 4 days ago
Alaska Airlines
Tue, 9 Jul - Tue, 23 Jul
STL
St. Louis
PDX
Portland
£350 Return, found 1 hour ago
£350
Return
found 1 hour ago
Select Alaska Airlines flight, departing Tue, 9 Jul from St. Louis to Portland, returning Tue, 23 Jul, priced at £350 found 1 hour ago
Alaska Airlines
Sat, 15 Jun - Fri, 21 Jun
STL
St. Louis
PDX
Portland
£355 Return, found 6 days ago
£355
Return
found 6 days ago
Select Alaska Airlines flight, departing Sat, 15 Jun from St. Louis to Portland, returning Fri, 21 Jun, priced at £355 found 6 days ago
Alaska Airlines
Tue, 18 Jun - Tue, 25 Jun
STL
St. Louis
PDX
Portland
£359 Return, found 6 days ago
£359
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 18 Jun from St. Louis to Portland, returning Tue, 25 Jun, priced at £359 found 6 days ago
Alaska Airlines
Sat, 15 Jun - Fri, 21 Jun
STL
St. Louis
PDX
Portland
£368 Return, found 6 days ago
£368
Return
found 6 days ago
Select Alaska Airlines flight, departing Sat, 15 Jun from St. Louis to Portland, returning Fri, 21 Jun, priced at £368 found 6 days ago
Alaska Airlines
Tue, 18 Jun - Tue, 25 Jun
STL
St. Louis
PDX
Portland
£369 Return, found 5 days ago
£369
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 18 Jun from St. Louis to Portland, returning Tue, 25 Jun, priced at £369 found 5 days ago
Alaska Airlines
Tue, 18 Jun - Tue, 25 Jun
STL
St. Louis
PDX
Portland
£371 Return, found 2 days ago
£371
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 18 Jun from St. Louis to Portland, returning Tue, 25 Jun, priced at £371 found 2 days ago
Alaska Airlines
Tue, 18 Jun - Tue, 25 Jun
STL
St. Louis
PDX
Portland
£374 Return, found 5 days ago
£374
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 18 Jun from St. Louis to Portland, returning Tue, 25 Jun, priced at £374 found 5 days ago
Alaska Airlines
Tue, 18 Jun - Tue, 25 Jun
STL
St. Louis
PDX
Portland
£380 Return, found 2 days ago
£380
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 18 Jun from St. Louis to Portland, returning Tue, 25 Jun, priced at £380 found 2 days ago
Alaska Airlines
Sat, 15 Jun - Fri, 21 Jun
STL
St. Louis
PDX
Portland
£384 Return, found 6 days ago
£384
Return
found 6 days ago
Select Alaska Airlines flight, departing Sat, 15 Jun from St. Louis to Portland, returning Fri, 21 Jun, priced at £384 found 6 days ago
Alaska Airlines
Sat, 15 Jun - Fri, 21 Jun
STL
St. Louis
PDX
Portland
£387 Return, found 6 days ago
£387
Return
found 6 days ago
Select Alaska Airlines flight, departing Sat, 15 Jun from St. Louis to Portland, returning Fri, 21 Jun, priced at £387 found 6 days ago
Alaska Airlines
Tue, 18 Jun - Tue, 25 Jun
STL
St. Louis
PDX
Portland
£389 Return, found 3 days ago
£389
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue, 18 Jun from St. Louis to Portland, returning Tue, 25 Jun, priced at £389 found 3 days ago
Alaska Airlines
Tue, 9 Jul - Tue, 23 Jul
STL
St. Louis
PDX
Portland
£394 Return, found 1 hour ago
£394
Return
found 1 hour ago
Select Alaska Airlines flight, departing Tue, 9 Jul from St. Louis to Portland, returning Tue, 23 Jul, priced at £394 found 1 hour ago
Flight from St. Louis to Portland route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines
Return price
£234
Distance
2725 km

Compare flights from St. Louis to Portland easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from St. Louis to Portland. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Portland Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Lambert-St. Louis Intl. to Portland Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Lambert-St. Louis Intl. (STL) to Portland Intl. (PDX) 

The easiest way to view the best deals on flights from St. Louis to Portland today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Lambert-St. Louis Intl. to Portland Intl. start at just £235 and range up to £394.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near St. Louis and Portland
  • booking your flight during July, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your St. Louis to Portland flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Lambert-St. Louis Intl. to Portland Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Lambert-St. Louis Intl. Airport (STL) to PDX?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between St. Louis Lambert International Airport and PDX start from £235. Book today to secure the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert-St. Louis Intl. Airport (STL) to PDX?
The majority of flights can be cancelled online, but each airline has its own set of terms and conditions. If you do have to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Lambert Field to PDX 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 STL to Portland Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from St. Louis Lambert International Airport to PDX Airport?
It’s around 2,700 kilometres from Lambert-St. Louis Intl. Airport (STL) to Portland Intl. Airport (PDX), so you’ll be strapped into your seat for a while. Keep yourself occupied by packing things like crossword puzzles or a thrilling novel.
Which airlines fly direct from STL to PDX?
Right now, no airlines offer direct flights from STL to Portland Airport. You’ll have to book a flight with at least one stop. To get the best connections and price, lock in your fare ahead of time.
Are Lambert-St. Louis Intl. Airport (STL) to PDX flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Lambert-St. Louis Intl. Airport (STL) to Portland Intl. Airport (PDX) can be hit-or-miss. You might be lucky and score a bargain, but you could also completely miss out! If you’d prefer to start planning your trip early, Expedia compares flight deals up to 12 months in advance. Just bear in mind that not all airlines release their prices that far in advance. Our advice? Check back often as updates are made regularly.
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