$60 Cheap flights from Lambert-St. Louis Intl. to Sky Harbor Intl. (STL to PHX)

It’s wise to learn about any quarantine requirements and travel advice reports in effect in your destination city. Be sure to visit our Covid-19 Travel Advisor for up-to-date info on catching a flight to Sky Harbor Intl. Airport (PHX).

Southwest Airlines and American Airlines are a couple of the airlines that advertise direct flights from St. Louis Lambert International Airport to Phoenix Sky Harbor Airport. If you’re keen to get to your destination as quickly as possible, these are the options for you.

For more info about changing your flight to Phoenix Sky Harbor Airport, please visit our Customer Service Portal.

It usually takes 3 hours and 23 minutes to fly from Lambert Field to Phoenix Sky Harbor Intl. Airport. You’ll be in your seat for a while, so entertain yourself with a film or flick through the airway’s magazines.

The flight distance from St. Louis Lambert International Airport to PHX is 1,250 mi. Make sure to bring along a good book or a few puzzles to make your time in the air more enjoyable.

If you’re planning a trip to Phoenix from St. Louis, you’ll find several airlines with direct flights. One of the top carriers is Southwest Airlines (WN), which offers 95 flights on this route every month. Another option is American Airlines (AA), which has 56 flights each month. The more airlines you weigh up, the more likely you are to snap up a superb deal.

From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with American Airlines, Southwest Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.