Route Price Intelligence
Cheap Flights From St. Louis to Portland
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$309
Deals From
$281
Usually Costs
$281 – $320
Lowest We've Seen
$160
Based on 268 price pointshigh confidence
Monthly Price Guide
Jan
$309
Feb
—
Mar
—
Apr
$396
May
$275
Jun
$303
Jul
$296
Aug
$271
Sep
$284
Oct
$309
Nov
$309
Dec
$390
Cheapest Average Expensive
Best Time to Fly from St. Louis to Portland
The cheapest time to fly from St. Louis to Portland is typically August, when fares average around $271. The most expensive month tends to be April at around $396. For the best deals, consider flying in August, May, September.
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