Cheap flights from St. Louis (STL) to Phoenix from $76

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 14% on the overall cost on flights from St. Louis to Phoenix.

Users have found that booking a flight from St. Louis to Phoenix at least 41 days early can save you up to 29% on average compared to booking a flight this week. If booking 41 days before your flight isn’t an option for you, users have found flights from St. Louis to Phoenix for as little as $396 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $490 for flights departing within the next 3 days.

The best pricing can be found in the month of April. Prices to Phoenix from St. Louis average $406. You can even find prices in April for less than $406, as users have found deals to Phoenix from as low as $174. The month of June appears to be one of the more expensive times to travel to Phoenix from St. Louis. Flying in the targeted month can save you up to 24%.

When flying from St. Louis to Phoenix, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 38% versus a flight at noon.

Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to Phoenix from St. Louis. Booking flights from Lambert-St Louis (STL) to Phoenix should be relatively easy as there are 10 daily outbound flights to Phoenix from 6 different airlines.

Some of the carriers operating flights from Lambert-St Louis to Phoenix that may be offering flexible cancellation policies are American Airlines, Frontier, and Spirit Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Yes, there are multiple flights from St. Louis to Phoenix for under $200. The cheapest flight booked recently is on Multiple Airlines for just $153, but on average you can expect to pay $184.

Cheapflights has at least 20 direct flights from St. Louis to Phoenix under $400. A good price for a nonstop flight from St. Louis to Phoenix is less than $411.

There are currently 20+ open flights from St. Louis to Phoenix within the next 7 days for less than $200.

Nonstop flights are available for this route on the following days: Friday, Saturday.

4 flight departures from St. Louis to Phoenix per day on average.
Early Morning (Midnight to 6am) - 25% of flight departures
Morning (6am - Noon) - 25% of flight departures
Evening (6pm - Midnight) - 50% of flight departures

Airlines like Frontier and Spirit Airlines fly from St. Louis to Phoenix in about 20h 50m. The time it takes to get you to your destination can typically vary by up to 7h 07m. The distance from St. Louis to Phoenix is about 1266 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

Currently priced at $173, Frontier will fly you from St. Louis to Phoenix and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Spirit Airlines for as low as $201. These flights start at 57% lower than the current average price 3 months from now.

For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $90. Users have also found prices from $101 and $138 on Frontier and Sun Country Air, respectively.

When booking a flight from St. Louis to Phoenix, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

No one likes to see their flight delayed. When booking a flight from St. Louis to Phoenix consider choosing Alaska Airlines (77%), Southwest (74%) or American Airlines (72%) as they are the most reliable in getting you off to your destination on time.

While on average a flight from St. Louis to Phoenix is generally $1,376, our data shows the cheapest flight currently is $191. When looking at the most popular route, (Lambert-St Louis - Phoenix Sky Harbor Intl), you can expect to pay $155 for that flight.

This is defined as Lambert-St Louis Airport (STL) and Phoenix Sky Harbor Intl Airport (PHX). Codes like Phoenix Sky Harbor Intl Airport are often used to just call airports uniquely. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Phoenix-Mesa Gateway Airport (AZA), Prescott Airport (PRC).