On this page, you can find and book flights from St. Louis to Portland. The route distance between the cities is 2,773 km, and flight frequency reaches approximately 13 flights per week.
Flights on this route are operated by Alaska Airlines. As ticket prices are constantly changing, we recommend using the low-price calendar and the price trend chart. You can also find guides on how to get to St. Louis airport and how to get from Portland airport to the city center.
The table shows direct flights St. Louis → Portland on the selected date. The flight takes approximately 4 h 10 min. Regular flights are operated by Alaska Airlines. Departures from Lambert-St. Louis International Airport airports, arrivals at Portland International Airport.
For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.
Below is a calendar of the lowest flight ticket prices for St. Louis — Portland by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 435 in F, and the most expensive are around AED 580 in J. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
St. Louis → Portland, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 746 | low | May | AED 818 | medium | Sep | AED 746 | low |
| Feb | AED 722 | low | Jun | AED 890 | high | Oct | AED 794 | medium |
| Mar | AED 794 | medium | Jul | AED 938 | high | Nov | AED 722 | low |
| Apr | AED 746 | low | Aug | AED 914 | high | Dec | AED 914 | high |
Some values are estimated based on seasonality.
The climate in Portland is characterized by warm summers and rainy winters. The hottest month is August, with average temperatures reaching 29.4°C, while the wettest and coolest is January, when precipitation exceeds 230 mm.
According to available data, the most budget-friendly flights are available in September, starting AED 435. In January, ticket prices tend to rise, with minimum fares starting AED 580.
In terms of both savings and weather conditions, September is the optimal time for a trip. The winter months should be chosen with caution due to heavy rainfall and potential flight delays.
Regular flights between the cities are provided by Alaska Airlines, which operates about 13 flights per week. The route mostly offers options with convenient connections, allowing for flexible departure planning. You can check the detailed schedule for specific days and choose the best flight option in the interactive airline list below.
Flights St. Louis — Portland depart from Lambert-St. Louis International Airport and arrive at Portland International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
The distance between the cities is approximately 2,773 km. The estimated travel time for a direct flight is about 3 hours and 30 minutes, although the exact duration depends on the chosen route and weather conditions.
The main carrier operating regular flights on this route is Alaska Airlines.
Ticket prices change constantly depending on the season, demand, and how far in advance you book. You can check the current minimum prices for your dates in the low-price calendar on this page.
All flights on this route arrive at Portland International Airport (PDX).
Generally, the best deals appear when booking a month before departure. We also recommend monitoring the price trend chart on this page so you don't miss periods when prices drop.
Where travelers fly most — pick a route and check prices
