Route Price Intelligence
Cheap Flights From St. Louis to Portland
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$292
Great Deal
Under $232
Typical Range
$232 – $319
Lowest We've Seen
$160
Based on 246 price pointshigh confidence
Monthly Price Guide
Jan
$319
Feb
$319
Mar
$346
Apr
—
May
—
Jun
—
Jul
$349
Aug
$232
Sep
$214
Oct
$211
Nov
$265
Dec
$349
Cheapest Average Expensive
Best Time to Fly from St. Louis to Portland
The cheapest time to fly from St. Louis to Portland is typically October, when fares average around $211. The most expensive month tends to be July at around $349. For the best deals, consider flying in October, September, August.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: August21,597 fares analyzedTypical low: $266