Cheap flights from Pittsburgh to St. Louis (PIT - STL) from $89

Saturday flights are generally found to be more expensive for flights from Pittsburgh to St. Louis. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St. Louis.

To save on the cost of your flight from Pittsburgh to St. Louis, book at least 54 days before your planned departure. Booking around this time can save you about 54% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $376 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $487.

Flights from Pittsburgh to St. Louis lean towards being more expensive in August. Prices are generally better when you fly from Pittsburgh to St. Louis in September, with the cheapest ticket starting at $204.

A simple way to save on the total cost of your ticket is to fly from Pittsburgh to St. Louis at noon. If you’re flexible enough to do this you can expect to save up to 2% on your trip compared to booking a flight in the morning.

You will need to book a flight from Pittsburgh to Lambert-St Louis if you want to fly from Pittsburgh to St. Louis. At least 4 different airlines have flights from Pittsburgh (PIT) to Lambert-St Louis (STL) on a regular basis. There is 1 flight to St. Louis from the Pittsburgh airport per day. If you manage to book one that is nonstop, then you can expect the flight time from PIT to STL to be around 1h 40m.

Yes, there are multiple flights from Pittsburgh to St. Louis for under $200. The cheapest flight booked recently is on Multiple Airlines for just $152, but on average you can expect to pay $225.

Cheapflights has at least 1 direct flight from Pittsburgh to St. Louis under $600. A good price for a nonstop flight from Pittsburgh to St. Louis is less than $570.

There are currently 10+ open flights from Pittsburgh to St. Louis within the next 7 days for less than $400.

Days when nonstop flights are available for this flight are: Monday, Friday, Saturday.

Travelers can expect 4 flights from Pittsburgh to St. Louis on average per day.
Morning (6am - Noon) - 75% of flight departures
Evening (6pm - Midnight) - 25% of flight departures

Frontier, American Airlines, and Spirit Airlines can get you from Pittsburgh to St. Louis in just under 5h 45m. Your travel time can differ by up to 20h 17m. Airlines will cover a distance of 555 mi. This flight may include one or multiple stops.

Frontier, at $162, was found to be the cheapest airline from Pittsburgh to St. Louis.Alternate airlines to your destination round-trip include American Airlines and Spirit Airlines. Users have found that Frontier is 54% cheaper than the other options available to this destination.

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $89. However, be on the lookout for offers from Frontier and Delta, as they are both options that can get you from Pittsburgh to St. Louis for a low price.

American Airlines, Delta and Spirit Airlines are the most popular airlines when flying from Pittsburgh to St. Louis.

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Pittsburgh Airport to Lambert-St Louis Airport flight would often be abbreviated as a PIT to STL flight.

Deals for Pittsburgh to St. Louis flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to St. Louis from Pittsburgh.

Need flexible booking options for your flight to St. Louis from Pittsburgh? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Not ready to book yet? You can track prices for flights from Pittsburgh to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.