Cheap Flights from St. Louis (STL) to St. Petersburg (PIE)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to St. Petersburg-Clearwater Intl. Airport (PIE)

Alternative airports near St. Petersburg

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

Select flight to Tampa Intl. TPA. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $120
TPA
Tampa Intl.
Cheapest
Average driving time to city center24 min
Flights from $120

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to St. Petersburg-Clearwater Intl. Airport (PIE) cost?
Grab a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to St. Petersburg-Clearwater Intl. Airport (PIE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to St. Petersburg-Clearwater Intl. Airport (PIE)?
is the most affordable month to fly from STL to PIE. Traveling outside of peak seasons is often the key to finding better fares.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to St. Petersburg-Clearwater Intl. Airport (PIE)?
There are no direct routes from St. Louis, MO (STL-Lambert-St. Louis Intl.) to St. Petersburg-Clearwater Intl. Airport (PIE). However, you'll find other airports offering nonstop flights. Board your plane at MidAmerica-St. Louis Airport (BLV) and fly straight to St. Petersburg - Clearwater without a layover.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to St. Petersburg-Clearwater Intl. Airport (PIE)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from STL to PIE. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to St. Petersburg-Clearwater Intl. Airport (PIE)?
You'll need to book a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to St. Petersburg-Clearwater Intl. Airport (PIE). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from STL to PIE?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on various factors, such as the season and airline.*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 St. Petersburg-Clearwater Intl. Airport (PIE)?
To land at St. Petersburg-Clearwater Intl. Airport (PIE) on time, opt for a flight that leaves Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 St. Petersburg - Clearwater from Lambert-St. Louis Intl. Airport (STL)?
Board a direct flight from Lambert-St. Louis Intl. Airport (STL) to St. Petersburg - Clearwater and touch down at Tampa Intl. Airport (TPA). Another arrival point to the city is Sarasota-Bradenton Intl. Airport (SRQ).
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to St. Petersburg-Clearwater Intl. Airport (PIE) last-minute?
Booking your plane ticket from STL to PIE right before your journey is typically more expensive. However, if there's some wiggle room with your travel times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a STL to PIE flight and hotel package?
Compared with arranging flights and hotels separately, booking a STL to PIE flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place takes the hassle out of travel planning. Just pick your flights and choose from our wide range of stays, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to St. Petersburg-Clearwater Intl. Airport (PIE)?
If you reserved your STL to PIE flight within the last 24 hours, you may be able to cancel or modify 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'd like more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
St. Petersburg-Clearwater Intl.
Distance
869 mi

Book with confidence

St. Louis to St. Petersburg Flights

The cheapest times to fly from St. Louis to St. Petersburg

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 St. Petersburg are during the month of . You can find some of the cheapest flights from St. Louis to St. Petersburg with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to St. Petersburg: 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 St. Petersburg

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 St. Petersburg 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 St. Petersburg 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 St. Petersburg 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 St. Petersburg Flights

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*Available to One Key members.