On this page, you can find and book flights from Phoenix to St. Louis. The flight covers a distance of 2,048 km, with approximately 12 flights per week.
Regular flights are operated by American Airlines, Frontier Airlines, and Alaska Airlines. Ticket prices are dynamic, so to find the best deal, use our low-price calendar and check out the information on transportation in Phoenix and St. Louis.
The table shows direct flights Phoenix → St. Louis on the selected date. The flight takes approximately 3 h 6 min. Regular flights are operated by American Airlines, Frontier Airlines and Alaska Airlines. Departures from Phoenix Sky Harbor International Airport and Phoenix-Mesa Gateway 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 Phoenix — St. Louis by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 314 in ,, and the most expensive are around AED 960 in a. 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.
Phoenix → St. Louis, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 674 | low | May | AED 818 | medium | Sep | AED 722 | low |
| Feb | AED 650 | low | Jun | AED 1,011 | high | Oct | AED 698 | low |
| Mar | AED 962 | high | Jul | AED 1,035 | high | Nov | AED 674 | low |
| Apr | AED 938 | high | Aug | AED 866 | medium | Dec | AED 987 | high |
Some values are estimated based on seasonality.
Weather in St. Louis reaches its peak temperature in July, with an average high of 31.4°C. Winter is considered the coldest period, with average temperatures around zero, while the highest rainfall occurs in May.
The most budget-friendly tickets are available in July, with flights starting AED 298. Prices peak in March, rising to AED 976, while average autumn offers start AED 598.
September is the ideal time for a trip, offering comfortable temperatures and the fewest rainy days. It is best to avoid flying in March and December if your goal is maximum budget savings.
Three airlines operate on the Phoenix — St. Louis route, with American Airlines and Frontier Airlines being the primary carriers. Approximately 12 regular flights are scheduled weekly, including direct flight options. The full weekly schedule and detailed fare information for each airline are provided in the list below.
Flights Phoenix — St. Louis depart from Phoenix Sky Harbor International Airport and Phoenix-Mesa Gateway 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.
The estimated travel time for a direct flight is approximately 2 hours and 30 minutes, covering a distance of 2,048 km.
Regular flights between these cities are operated by American Airlines, Frontier Airlines, and Alaska Airlines.
Flights from Phoenix arrive at St. Louis Lambert International Airport (STL).
The most advantageous offers usually appear when booking about a month before the trip. You can always check the current minimum prices for your dates in the calendar on this page.
Where travelers fly most — pick a route and check prices
