NZ$354 Cheap Flights Phoenix to St. Louis (PHX-STL)

View NZ$354 flight on Mon, 19 Jan 2026Opens in a new window

Popular airlines from Phoenix to St. Louis, MO (STL-Lambert-St. Louis Intl.)

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Flight from Phoenix to St. Louis route information
Origin airport
Sky Harbor Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
2014 km
Average flight time
3 hours 52 mins

Perfect flights from Phoenix to St. Louis

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Phoenix to St. Louis. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Sky Harbor Intl. to Lambert-St. Louis Intl. ticket options cater to your travel preferences, with incredible one-way fares from NZ$354 and roundtrip prices . Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Lambert-St. Louis Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in St. Louis.

Frequently asked questions

How much is a flight from Sky Harbour Intl. Airport (PHX) to Lambert Field?
Start packing your bags, because round-trip flights between Phoenix Sky Harbour Intl. Airport and STL start from . That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from PHX to Lambert Field?
The majority of flights can be cancelled online, but every air carrier has different terms and conditions. If you do have to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Phoenix Sky Harbour Airport to St. Louis Lambert International Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for PHX to St. Louis Lambert International Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Phoenix Sky Harbour Intl. Airport to Lambert Field?
It's around 2 000 kilometres from Phoenix to St. Louis, so you'll be flying for a while. Keep yourself entertained with things like playing cards (if you're travelling with friends) or a thrilling novel.
Which airlines fly direct from Sky Harbour Intl. Airport (PHX) to Lambert-St. Louis Intl. Airport (STL)?
Many people opt to fly with Southwest Airlines (WN) from Phoenix Sky Harbour Intl. Airport to St. Louis Lambert International Airport. It offers 95 flights a month, so you can pick a flight time that works for you. Operating 60 flights every month on this route, American Airlines (AA) is another top pick.
Are PHX to STL flight tickets cheaper when they're purchased at the last minute?
Booking your trip from PHX to STL at the last minute could be your ticket to a great deal. However, you might miss out on a flight altogether! If you'd prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.

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