On this page, you can find and buy flight tickets from Portland to St. Louis. The distance between the cities is about 2,773 km, and flight frequency reaches 5 flights per week.
Flights on this route are operated by Alaska Airlines. To choose the best offer, use the price trend chart and the low price calendar, and also check out how to get to Portland airport and options for traveling from St. Louis airport.
The table shows direct flights Portland → St. Louis on the selected date. The flight takes approximately 3 h 48 min. Regular flights are operated by Alaska Airlines. Departures from Portland International Airport airports, arrivals at Lambert-St. Louis 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 Portland — St. Louis by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 503 in y, and the most expensive are around AED 591 in F. 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.
Portland → St. Louis, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 577 | low | May | AED 650 | low | Sep | AED 626 | low |
| Feb | AED 602 | low | Jun | AED 818 | high | Oct | AED 698 | medium |
| Mar | AED 794 | high | Jul | AED 842 | high | Nov | AED 602 | low |
| Apr | AED 698 | medium | Aug | AED 722 | medium | Dec | AED 794 | high |
Some values are estimated based on seasonality.
The climate at the destination is characterized by hot summers: the warmest month is July, with average temperatures reaching 31.4°C. Winters are cool, with the lowest temperatures recorded in January, when they drop to -3.1°C.
Flight cost analysis shows that the most budget-friendly month for the trip is July, with prices starting AED 503. In August and September, there is an increase in fares, starting AED 589 and AED 591 respectively.
September is considered an optimal time to fly, as the intense heat subsides and rainfall decreases. Keep in mind that spring months, such as May, are characterized by high humidity and frequent rain.
Regular air service on this route is provided by Alaska Airlines. On average, there are about 5 flights per week on the route, including both direct flights and connecting options. You can find detailed information about the flight schedule and available fares in the interactive list below.
Flights Portland — St. Louis depart from Portland International Airport and arrive at Lambert-St. Louis International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
A direct flight covers the distance of 2,773 km in approximately 3 hours 30 minutes. Travel time for connecting flights will depend on the duration of the layover at the transit hub.
The main carrier on this route is Alaska Airlines. A full list of available airlines with the current flight schedule is presented on this page.
Flights arrive at St. Louis Lambert International Airport (STL), which is the main air gateway for the region.
Flight prices change depending on demand and season. You can always check the current minimum for the coming months in the low price calendar at the top of the page.
Yes, there are direct flights on this route, but their frequency is limited. We recommend checking the availability of direct flights for your desired dates in the search form in advance.
Where travelers fly most — pick a route and check prices
