
$170 Cheap United flights St. Louis (STL) to Portland (PDX)
Prices were available within the past 7 days and start at $170 for one-way flights and $339 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jun 21 - Sat, Jul 4
STL
St. Louis
PDX
Portland
$339 Roundtrip, found 5 hours ago
$339
Roundtrip
found 5 hours ago

Sat, Jun 20 - Sun, Jun 28
STL
St. Louis
PDX
Portland
$358 Roundtrip, found 9 hours ago
$358
Roundtrip
found 9 hours ago

Sun, Jul 5 - Fri, Jul 17
STL
St. Louis
PDX
Portland
$404 Roundtrip, found 5 hours ago
$404
Roundtrip
found 5 hours ago

Fri, Jun 19 - Sun, Jun 28
STL
St. Louis
PDX
Portland
$420 Roundtrip, found 9 hours ago
$420
Roundtrip
found 9 hours ago
Find the cheapest month to fly from St. Louis (STL) to Portland (PDX)
January is typically the cheapest month to fly
From $165 - $460 per traveler.
Origin airport | Lambert-St. Louis Intl. |
|---|---|
Destination airport | Portland Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Southwest Airlines, United |
Popular airline | Alaska Airlines |
Distance | 2725 km |
Most Popular United Routes from St. Louis
Most Popular United Routes from Portland
- Atlanta to Fort Lauderdale (ATL - FLL)
- Charlotte to Las Vegas (CLT - LAS)
- Moline to Oranjestad (MLI - AUA)
- San Francisco to Bangkok (SFO - BKK)
- San Francisco to Bangkok (SFO - BKK)
- Baltimore to Orlando (BWI - MCO)
- Sacramento to Hartford (SMF - BDL)
- Las Vegas to Naha (LAS - OKA)
- Boston to Athens (BOS - ATH)
- Las Vegas to Naha (LAS - OKA)
Popular Domestic Routes in Portland Intl.
- Houston to Atlanta (IAH - ATL)
- Boston to Newark Liberty Intl. Airport (BOS - EWR)
- Charlotte to Las Vegas (CLT - LAS)
- Sacramento to Hartford (SMF - BDL)
- Phoenix to Minneapolis (PHX - MSP)
- Boston to Athens (BOS - ATH)
- Phoenix to Minneapolis (PHX - MSP)
- Columbus to Orlando (CMH - MCO)
- McAllen to Houston (MFE - IAH)
- Atlanta to Denver (ATL - DEN)