Cheap Flights from Rome to St Louis

Compare Rome to St Louis flight deals

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Flight deals from Rome to St Louis Airport

Looking for a cheap last-minute deal or the best return flight from Rome to St Louis Airport? If you want to travel next month, return fares start from R 16,029. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Rome to St Louis

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

Rome to St Louis: Alternative routes

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

Rome to St Louis: Flight information

The things to know before you go.
Cheapest flight foundR 6,538
Cheapest month to flyJune

Finding cheap flights from Rome to St Louis: Frequently asked questions

The best price we found for a return flight from Rome to St Louis is R 15,930. 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 Rome to St Louis. But we found flights with one stop from R 15,930.
As of April 2026, there are no flights flying from Rome to St Louis.
The cheapest month to fly from Rome to St Louis is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Rome to St Louis Airport on Friday, 18 September 2026.
No airlines currently offer direct flights between Rome 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.
The cheapest airline that flies to St Louis is United .

Travelling from Rome to Lambert-St. Louis International Airport (STL): What you need to know

  • There are a couple of airports you can start your trip from in Rome. Check out your options departing from Leonardo da Vinci-Fiumicino Airport (FCO) or Ciampino-G. B. Pastine International Airport (CIA) when planning your flight from Rome to Lambert-St. Louis International Airport (STL).

  • St Louis is six hours behind Rome. Lambert-St. Louis International Airport is located in St Louis, which operates on the UTC-5 timezone.

  • Get to the airport on time so you don't miss your flight from Rome to STL. Be there at least two hours ahead for international flights and an hour early for domestic departures to skip the mad dash to your gate.

  • Peak season means busier airports, so aim to get there even earlier. Give yourself at least two hours before a domestic flight and four hours for international journeys to stick to your schedule.

Airports in Rome

Leonardo da Vinci-Fiumicino Airport (FCO)

  • Consider adding a stopover to find cheap flights from Rome to STL. Simply deselect 'Direct flights only' when searching for departures from Leonardo da Vinci-Fiumicino Airport (FCO). Pause your trip (and maybe pocket some savings) with a stop at one of these popular options:

    • O'Hare International Airport (ORD)

    • Frankfurt Airport (FRA)

    • Detroit Metropolitan Wayne County Airport (DTW)

  • FCO is about 32 kilometres from central Rome. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 40 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the journey time to be around 50 minutes.

  • Planning to catch an early flight from Rome to Lambert-St. Louis International Airport? Avoid the last-minute rush to the terminal (and enjoy a little extra shut-eye) by choosing one of these stays close to Leonardo da Vinci-Fiumicino Airport:

  • Of the departures from Leonardo da Vinci-Fiumicino Airport, 70.57% land on schedule at their destination.

Ciampino-G. B. Pastine International Airport (CIA)

  • With public transport, you can travel from central Rome to CIA in around 1 hour 40 minutes. The terminal is roughly 18 kilometres away, and getting there by car will take approximately 40 minutes.

  • Want to enjoy an extra night away before boarding your Rome to STL flight? Unwind in a hotel near Ciampino-G. B. Pastine International Airport before your trip officially begins. Here's where you can stay:

  • Ciampino-G. B. Pastine International Airport has an on-time performance rate of 73.18%. This figure sheds light on how frequently flights departing from this airport make it to their destination on time.

About Lambert-St. Louis International Airport (STL)

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

  • Lambert-St. Louis International Airport to central St Louis is roughly 16 kilometres. If you're renting a car or getting a cab, do some research to make your trip as smooth as possible. Journey times can vary based on traffic and the time of day.

  • It takes roughly 35 minutes to get there using public transport.

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

  • The cheapest price we've found for a one-way ticket from Rome to Lambert-St. Louis International Airport is R 6,529. For a return flight on this route, the best price is R 15,907. Depending on when you book and the availability, these fares could change.

  • Booking ahead of time is often the key to scoring a cheap flight from Rome to STL. Fares tend to rise as demand increases, so the closer your departure date, the more it could cost you.

  • The 'Whole month' search tool will show you the cheapest Rome to Lambert-St. Louis International Airport tickets across the month. It's an easy way to snap up a bargain if your plans are flexible.

  • Finding a cheap plane ticket from Rome to STL couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as the price has dropped.

  • Save on your flight from Rome to Lambert-St. Louis International Airport by using filters. Select your preferred duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Rome to Lambert-St. Louis International Airport (STL)

  • It's time to work out when to book your flight from Rome to Lambert-St. Louis International Airport (STL). July is when most people travel to St Louis. If you like your getaways a little more chill, think about going in April.

  • The warmest month in St Louis is July, with temperatures ranging between 17ºC (63ºF) and 33ºC (91ºF). Lock in your Rome to STL plane ticket then if this is the type of weather you enjoy.

  • If you want cooler conditions, search for a cheap ticket from Rome to Lambert-St. Louis International Airport in January when temperatures are between -8ºC (18ºF) and 7ºC (45ºF).

More about St Louis

Explore more of the United States

  • St Louis has its own special appeal, but there are so many other corners of the United States just waiting to be discovered. About 257 kilometres east of St Louis, a trip to Evansville will fill your itinerary to the brim. Don't miss top attractions like Mesker Park Zoo, Riverfront Park and Evansville Zoological Society.

  • If there's time to check out another great destination in the United States, head for Columbia, about 177 kilometres west of St Louis. Sentinel Park, Museum of Art and Archaeology and Bur Oak Brewing Company are key highlights.

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