$368 Find Cheap Flights from St. Louis to Rome - Compare and Save

Four cabin classes are available on flights from St. Louis to Rome:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from St. Louis to Rome takes 00m, covering 5,055 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from St. Louis to Rome range from $865 to $1,304, with an average of $1,082 over the past 12 months. Anything below $865 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 24% above the $1,082 route average. Book 5 weeks before departure for the lowest fares.

One-way fares from St. Louis to Rome are currently lower than usual. Average one-way flight prices are about $340, which is 49% below the typical average for this route.

Since Rome is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Rome Fiumicino Airport (FCO) — daily rates averaging $32:

• Record go
• Target Italy
• Rent Smart 24
• Galdierirent
• Europcar

Near Rome Ciampino Airport (CIA) — daily rates averaging $37:

• Rent Smart 24
• DRIVALIA
• Centauro
• Ecovia
• Budget

Flights from St. Louis to Rome usually depart from Lambert-St Louis (STL) and may arrive at several airports in Rome area, including Rome Ciampino (CIA) and Rome Fiumicino (FCO).

One-stop flights from St. Louis to Rome most commonly connect through:

• Chicago O'Hare Intl (ORD) - 24% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 18% of one-stop connections
• Montreal Pierre Elliott Trudeau Intl (YUL) - 18% of one-stop connections
• Frankfurt am Main (FRA) - 12% of one-stop connections

Yes. Flexible dates can save you up to 20% on flights from St. Louis to Rome. Tuesday is the cheapest departure day at $987 round-trip on average, while Friday is the most expensive at $1,230, a difference of $243.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via London Heathrow (LHR) gives the shortest average 1-stop total travel time at 13h 21m, compared with 13h 31m via Chicago O'Hare Intl (ORD) and 13h 35m via Toronto Pearson Intl (YYZ).

Rome is 7 hours ahead of St. Louis (Central European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Rome are Piazza Navona, Colosseum and Pantheon. These are among the most viewed places in Rome on KAYAK.

You will have several options when traveling from the airport to Rome. You can board a train that is located next to the arrival terminal. You can utilize the free shuttles to take you to the train station or take a walk to burn a few calories. The train departs every 15 minutes, which will help you save time on your trip. Additionally, if traveling on a budget, you can book a bus station at ground level, a walking distance from the arrival terminal which will take you to the bus station in the city.

Yes, small dogs and cats are permitted to the cabin for a one-way fee collected at the check-in. The pet size must fit in the available pet carrier under the feet in front of you. If your pet is large and exceeds the required size, it will be shipped as exceptional cargo.

Many cities around Fiumicino Airport are approximately one hour drive. If you love adventure, you can drive to Lanuvio, Zagarolo, and Genzano cities to enjoy the beautiful scenery of Italy. If you have extra time to stay in Italy, visit Rocca Priora and Sancesareo cities for a more satisfying experience.

Passengers will be allowed to board with one piece of cabin baggage per passenger that measures 9 by 15 by 21 in size and 17.6 lbs. If you are traveling in the business class category, you can carry one personal item bag measuring 15 by 12 by 6 in size.