Cheap Flights from Phoenix (PHX) to St. Louis (STL)

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to St. Louis Lambert Intl. Airport (STL)

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Frequently asked questions

How long does it take to fly from Phoenix Sky Harbor Intl. Airport to Lambert Field?
Purchase your ticket with American Airlines and you'll be traveling for about 2 hours and 57 minutes. This top carrier operates a direct flight that sets off at 12:19PM from Sky Harbor Intl. Airport (PHX) and reaches Lambert Field at 5:16PM. Expedia has unbeatable flight deals, so find out what's on offer on this route today.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Lambert-St. Louis Intl. Airport (STL) last minute?
Being a spontaneous soul is an amazing way to travel, but it's not necessarily the wisest method to track down a bargain airfare. It's better to book your PHX to STL journey in advance rather than leaving it till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave all that spontaneity for when you're discovering STL!
What airline has the least delays from PHX to Lambert Field?
Recording an on-time performance of 81%, American Airlines is the airline most likely to get you from PHX to STL without any interruptions. Flight delays aren't just frustrating — they can also lead to a missed connection or even ruin your entire vacation. Keep updated about any delays by reviewing your flight status through the Expedia App before heading to the airport. If you're already there and your plans will be heavily impacted, head to your airline's customer service desk to find out your next steps.
What airports do you fly into for St. Louis from Phoenix?
Lambert-St. Louis Intl. Airport (STL), Spirit of St. Louis Airport (SUS) and St. Louis Downtown Airport (CPS) are your options when setting off from Phoenix to St. Louis. About 19 kilometers northwest of central St. Louis, Lambert-St. Louis Intl. Airport (STL) is the city's principal gateway. Think about things such as flight departure and arrival times and the distance to your hotel before you select an airport. Busch Stadium and Gateway Arch are a couple of fantastic attractions to put on your must-see list when you reach your destination.
What are the most popular departure times for flights from Sky Harbor Intl. Airport (PHX) to STL?
Between 12:00 PM - 1:00 PM is when you'll find many American Airlines flights jetting from PHX to Lambert Field. Our advice? Book a trip that departs earlier in the day. With air traffic yet to build up around airports, your odds of jumping on a delay-free flight are better.
Can I change the date of my flight from PHX to STL?
It's a breeze to make changes to your Sky Harbor Intl. Airport (PHX) to Lambert-St. Louis Intl. Airport (STL) trip yourself. Access your details via the Expedia Trips portal and choose "change flight." Look around for new flights and lock in the one that fits your new plans. You'll get an estimate of flight change fees that may apply. Alternatively, use our Customer Service portal to chat to our Virtual Agent and quickly get answers to your questions.

Travel information

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
2014 km
Average flight time
4 hours 54 mins

Book with confidence

Book with confidence

Phoenix to St. Louis Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Phoenix to St. Louis offer the perfect respite. Not only does exploring St. Louis provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Phoenix to St. Louis may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from PHX to STL today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of St. Louis are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to St. Louis more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to St. Louis is now!

Phoenix to St. Louis Flights

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