Cheap Flights from St. Pete–Clearwater International (PIE) to St Louis (STL)

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Flight deals from St. Pete–Clearwater International to St Louis

Looking for a cheap last-minute deal or the best return flight from St. Pete–Clearwater International to St Louis? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St. Pete–Clearwater International to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St. Pete–Clearwater International to St Louis flights are currently cheapest in March.

St. Pete–Clearwater International to St Louis: Alternative routes

Compare routes from St. Pete–Clearwater International to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

Tampa to St Louis: Flight information

The things to know before you go.
Cheapest flight found£330
Cheapest month to flyMarch

Finding cheap flights from St. Pete–Clearwater International to St Louis: Frequently asked questions

The best price we found for a return flight from St. Pete–Clearwater International to St Louis is £330. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St. Pete–Clearwater International to St Louis. But we found flights with one or more stops from £330.
As of December 2025, there are no flights flying from St. Pete–Clearwater International to St Louis.
The cheapest month to fly from St. Pete–Clearwater International to St Louis is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St. Pete–Clearwater International Airport to St Louis Airport on Monday, 16 March 2026.
No airlines currently offer direct flights between St. Pete–Clearwater International Airport and St Louis Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Allegiant Air offers the cheapest flight tickets to St Louis.

Flying from St. Petersburg-Clearwater International Airport (PIE) to Lambert-St. Louis International Airport (STL): what you need to know

  • St Louis's timezone is UTC-5, making St Louis one hour behind Tampa.

  • Leave plenty of time to make your PIE to STL flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for bigger queues in popular months like July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.

  • If you'd like to add a stop to your trip, just deselect 'Direct flights only' when searching for your ticket from St. Petersburg-Clearwater International Airport to Lambert-St. Louis International Airport. Here are the top stopovers between PIE and STL:

    • Minneapolis-St. Paul International Airport

    • Des Moines International Airport

    • Kansas City International Airport

How to find the cheapest flights from St. Petersburg-Clearwater International Airport (PIE) to Lambert-St. Louis International Airport (STL)

  • The lowest price we've found for a one-way St. Petersburg-Clearwater International Airport to Lambert-St. Louis International Airport flight is £99. A round-trip fare is currently £330. Depending on the availability and when you book, these fares may change.

  • Don't wait until the last moment. You're more likely to get cheap tickets from PIE to STL if you book ahead. Airlines often have some great early bird deals.

  • Finding cheap flights from St. Petersburg-Clearwater International Airport to Lambert-St. Louis International Airport is more likely if you're flexible with your trip dates. Use the 'Whole month' tool to see the lowest fares across each month and bag a great deal.

  • Finding cheap flights from PIE to STL couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as fares go down.

  • Tailor your trip using filters. Choose your ideal departure and arrival times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from St. Petersburg-Clearwater International Airport to Lambert-St. Louis International Airport.

Handy information about St. Petersburg-Clearwater International Airport (PIE)

  • PIE is located at Suite 221 - Terminal Building.

  • Of all flights leaving St. Petersburg-Clearwater International Airport, 77.01% touch down on time at their destination.

  • Central Tampa to St. Petersburg-Clearwater International Airport is approximately 18 miles. Depending on traffic, it'll take about 25 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Taking public transport? Expect a journey time of around 2 hours 10 minutes.

  • Get your travels off to a hassle-free start by staying near PIE. Whether you've booked an early flight from St. Petersburg-Clearwater International Airport to Lambert-St. Louis International Airport or just don't want to be rushed, these stays are the answer:

Arriving at Lambert-St. Louis International Airport (STL)

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

  • The street address for STL is 10701 Lambert International Blvd..

  • Lambert-St. Louis International Airport is approximately 16 miles from central St Louis. The drive time takes about 20 minutes.

  • It'll take around 35 minutes if you're travelling on public transport.

When to fly to Lambert-St. Louis International Airport (STL)

  • It's time to choose your trip dates for your flight from St. Petersburg-Clearwater International Airport to Lambert-St. Louis International Airport. July is the most popular month to visit St Louis. If you'd like a more low-key vibe, go in April.

  • Before locking in your flight from St. Petersburg-Clearwater International Airport to Lambert-St. Louis International Airport, think about the type of weather you like. July is the warmest month in St Louis, with the temperature ranging from 17ºC (63ºF) to 33ºC (91ºF).

  • If you like travelling in cooler conditions, search for a cheap ticket from PIE to STL in January. Average temperatures are between -8ºC (18ºF) and 7ºC (45ºF) then.

Explore more of United States

  • You've seen St Louis, now it's time to discover more of United States. Journey around 260 miles north-east to Chicago to check off its top attractions. From Millennium Park to Art Institute of Chicago and LandShark Beer Garden at Navy Pier, you'll have a packed itinerary ahead.

  • Around 230 miles east of St Louis, Indianapolis is another favourite stop in United States. Experience major highlights starting with The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.