Route Price Intelligence
Cheap Flights From St. Louis to Porto
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$869
Great Deal
Under $790
Typical Range
$790 – $1,018
Lowest We've Seen
$446
Based on 268 price pointshigh confidence
Monthly Price Guide
Jan
$781
Feb
$732
Mar
$811
Apr
$870
May
$869
Jun
$869
Jul
$1,154
Aug
$920
Sep
$920
Oct
$861
Nov
$756
Dec
$850
Cheapest Average Expensive
Best Time to Fly from St. Louis to Porto
The cheapest time to fly from St. Louis to Porto is typically February, when fares average around $732. The most expensive month tends to be July at around $1,154. For the best deals, consider flying in February, November, January.
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: November7,647 fares analyzedTypical low: $758
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Abidjan(ABJ)Albuquerque(ABQ)Acapulco(ACA)Accra(ACC)Addis Ababa(ADD)Adelaide(ADL)Malaga(AGP)Aguascalientes(AGU)Auckland(AKL)Albany(ALB)Algiers(ALG)Ahmedabad(AMD)Amman(AMM)Amsterdam(AMS)Anchorage(ANC)Stockholm(ARN)Asuncion(ASU)Athens(ATH)Atlanta(ATL)Aruba(AUA)Abu Dhabi(AUH)Austin(AUS)Bahrain(BAH)Barcelona(BCN)