The cheapest times to fly from STL to PSA are

  • January 1st to April 1st
  • April 16th to May 13th
  • October 22nd to December 16th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from STL to PSA is late January. Prices can be as high as $2118 for Saturday flights during early August, or as low as $737 for Tuesday flights around late January.


When to Fly to Pisa

Flying from St. Louis, MO (STL) to Pisa (PSA) will usually cost between $926 to $1671 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $926. Due to high demand the most expensive time to fly is early August, with an average price of $1794. Planning your trip to low-cost times can easily save you $867 on economy flights and even more on first-class flights. Generally, any price below $1299 can be considered a good price for a round-trip STL to PSA flight.

See below for a graph of average weekly prices for the STL to PSA route. All prices are for round-trip tickets in USD.

STL to PSA Flight Prices

Compared to other flights, the STL to PSA flight is slightly more expensive than the average and costs slightly more than the average flight leaving from St. Louis. The average price per mile (for a direct flight) is $0.16, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to PSA, and Wednesday the cheapest day to fly back into STL. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $141 (10%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1216. Return trip prices are from the PSA to STL flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from STL to PSA can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 48 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from STL to PSA while comparing.

Destination alternative #1: Milano Linate Airport (LIN) in Milan

  • 133 miles (214 km) away from PSA
  • Usually 19.25% less expensive than PSA
  • 2-layover flights available

See STL to LIN flights

Destination alternative #2: Bologna Airport (BLQ) in Bologna

  • 74 miles (119 km) away from PSA
  • Usually 2.27% less expensive than PSA
  • 1-layover flights available

See STL to BLQ flights

Destination alternative #3: Genova/Sestri Airport (GOA) in Genoa

  • 92 miles (148 km) away from PSA
  • Usually 1.39% less expensive than PSA
  • 2-layover flights available

See STL to GOA flights


Flight Hacking STL to PSA

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from STL to PSA — but Champion Traveler does!

Hack #1: New York, NY (STL > JFK > PSA)

  • Price for both tickets: $899
  • Average savings: $400 (30.77%)

See STL to JFK flights

Hack #2: Boston, MA (STL > BOS > PSA)

  • Price for both tickets: $964
  • Average savings: $335 (25.76%)

See STL to BOS flights

Hack #3: London (STL > LHR > PSA)

  • Price for both tickets: $976
  • Average savings: $323 (24.84%)

See STL to LHR flights


Flight Questions Answered

Still have questions about flying from STL to PSA? We’ve got answers.

Which airlines fly this route?

You can find 13 major airlines flying this route most often: Aer Lingus, Air Canada, Air Dolomiti, Alitalia, American, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, SAS, United, and potentially more during busy seasons.

How far away is it from Pisa Airport to St Louis Lambert International Airport?

The distance between the two airports is roughly 4899 miles or 7884 kilometers.

How long does it take to fly from STL to PSA?

The real-world flight time for a nonstop STL to PSA flight is about 9 hour 48 minutes.

How many flights go between St. Louis, MO and Pisa?

It depends on the day of the week and the date, but a typical day might have around 17 available flights from STL to PSA.


Airport Location Info


Departing Airport

Origination codeSTL
Origination airport nameSt Louis Lambert International Airport
CitySt. Louis, MO
Countrythe United States

Return Airport

Destination codePSA
Destination airport namePisa Airport


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.