Cheap Flights from St. Louis (STL) to Mesa (MSC)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Mesa, AZ (MSC-Falcon Field Municipal)

Alternative airports near Mesa

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sky Harbor Intl. PHX. Cheapest option available. Average driving time to city center is 18 minutes. Flights from $144
PHX
Sky Harbor Intl.
Cheapest
Average driving time to city center18 min
Flights from $144

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Falcon Field Municipal Airport (MSC) cost?
Lock in a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Falcon Field Municipal Airport (MSC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Falcon Field Municipal Airport (MSC)?
The cheapest month to fly from STL to MSC is , when there's less demand. Off-peak season is usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Falcon Field Municipal Airport (MSC)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest STL to MSC flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Falcon Field Municipal Airport (MSC)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Falcon Field Municipal Airport (MSC) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to MSC?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Falcon Field Municipal Airport (MSC)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Falcon Field Municipal Airport (MSC) route, aim to travel before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Phoenix from Lambert-St. Louis Intl. Airport (STL)?
Explore your flight options from Lambert-St. Louis Intl. Airport (STL) to Sky Harbor Intl. Airport (PHX). This is the only airport in Phoenix you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Falcon Field Municipal Airport (MSC) last-minute?
Booking your plane ticket from STL to MSC shortly before your journey is typically more expensive. But if you're flexible with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a STL to MSC flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to MSC flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place takes the hassle out of planning your trip. Simply pick your flights and select from our wide range of stays, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Falcon Field Municipal Airport (MSC)?
If you reserved your STL to MSC flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Falcon Field Municipal
Distance
1243 mi

Book with confidence

Book with confidence

St. Louis to Mesa Flights

The cheapest times to fly from St. Louis to Mesa

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Mesa are during the month of . You can find some of the cheapest flights from St. Louis to Mesa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Mesa

Sunday is one of the best days to book for cheap flights from St. Louis to Mesa: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Mesa

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Mesa in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Mesa flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Mesa airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Mesa Flights

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*Available to One Key members.