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STL - ROM

$326 Find Cheap Flights from St. Louis to Rome - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$715
Typical prices: $832-$1,312
Multiple Airlines
Thu 11/15Sun 11/25
STL - FCO • 1 stop
Cheapest one-way
$326
Typical prices: $500-$818
Multiple Airlines
Thu 3/15
STL - FCO • 2 stops
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Rome. You'll need to take a connecting flight to reach the destination.
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Top routes
STL - FCO
Cheapest • 22% average savings
STL - CIA
Most popular
Insights
Insights
When to book
24 weeks
in advance
Our data shows that travelers who book at least 24 weeks in advance save around 38% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 47% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Washington, D.C. Dulles Intl (IAD)
Cheapest • Avg $655 (round-trip)
London Heathrow (LHR)
Shortest trip • 13h 21m (one-way)
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Insights
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Flight Deals

Cheap Flights from St. Louis to Rome (STL-ROM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Rome

Sun, Nov 15 - Wed, Nov 25
Multiple Airlines Logo
4:05 pm - 8:55 amSTL  Lambert-St Louis-FCO Rome Fiumicino
33h 50m1 stop Toronto Pearson Intl
Multiple Airlines Logo
7:05 am - 1:45 pmFCO  Rome Fiumicino-STL Lambert-St Louis
13h 40m1 stop Frankfurt am Main
$715Multiple Airlines
Sun, Nov 15 - Wed, Nov 25
Multiple Airlines Logo
4:05 pm - 8:55 amSTL  Lambert-St Louis-FCO Rome Fiumicino
33h 50m1 stop Toronto Pearson Intl
Multiple Airlines Logo
7:05 am - 1:45 pmFCO  Rome Fiumicino-STL Lambert-St Louis
13h 40m1 stop Frankfurt am Main
$716Multiple Airlines
Sun, Nov 15 - Wed, Nov 25
United Airlines Logo
8:30 am - 7:45 amSTL  Lambert-St Louis-FCO Rome Fiumicino
16h 15m1 stop Chicago O'Hare Intl
United Airlines Logo
1:15 pm - 10:32 amFCO  Rome Fiumicino-STL Lambert-St Louis
28h 17m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$726United Airlines
Mon, Nov 9 - Wed, Nov 25
United Airlines Logo
1:08 pm - 7:45 amSTL  Lambert-St Louis-FCO Rome Fiumicino
11h 37m1 stop Chicago O'Hare Intl
United Airlines Logo
1:15 pm - 10:32 amFCO  Rome Fiumicino-STL Lambert-St Louis
28h 17m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$726United Airlines
Mon, Mar 15 - Wed, Mar 24
Lufthansa Logo
7:04 pm - 6:00 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
16h 56m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
7:05 am - 2:45 pmFCO  Rome Fiumicino-STL Lambert-St Louis
13h 40m1 stop Frankfurt am Main
$728Lufthansa
Sun, Nov 8 - Wed, Nov 18
Air Canada Logo
7:30 am - 8:55 amSTL  Lambert-St Louis-FCO Rome Fiumicino
18h 25m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
1:15 pm - 9:40 pmFCO  Rome Fiumicino-STL Lambert-St Louis
39h 25m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$730Air Canada
Sun, Nov 8 - Wed, Nov 18
Air Canada Logo
4:05 pm - 8:55 amSTL  Lambert-St Louis-FCO Rome Fiumicino
33h 50m1 stop Toronto Pearson Intl
Air Canada Logo
1:15 pm - 9:40 pmFCO  Rome Fiumicino-STL Lambert-St Louis
39h 25m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$730Air Canada
Mon, Nov 9 - Wed, Nov 18
Lufthansa Logo
6:50 pm - 6:00 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
16h 10m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
7:05 am - 1:45 pmFCO  Rome Fiumicino-STL Lambert-St Louis
13h 40m1 stop Frankfurt am Main
$734Lufthansa
Tue, Oct 27 - Thu, Nov 12
British Airways Logo
1:06 pm - 12:20 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
17h 14m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
11:00 am - 8:26 pmFCO  Rome Fiumicino-STL Lambert-St Louis
16h 26m1 stop Philadelphia
$743British Airways
Wed, Mar 24 - Wed, Apr 7
British Airways Logo
5:27 pm - 4:55 pmSTL  Lambert-St Louis-FCO Rome Fiumicino
17h 28m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
10:00 am - 4:41 pmFCO  Rome Fiumicino-STL Lambert-St Louis
13h 41m1 stop Chicago O'Hare Intl
$855British Airways
Booking Insights

Price, demand and travel trends for St. Louis to Rome flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What is the cheapest St. Louis to Rome flight route?

St. Louis (STL) to Rome Fiumicino Airport (FCO) is the cheapest St. Louis to Rome route, averaging $1,037 round-trip. Other St. Louis to Rome routes average $1,618, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from St. Louis to Rome?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from St. Louis to Rome. It’s 14% cheaper than the average day, while Friday is the most expensive, with prices 16% higher.

What’s the cheapest month to fly from St. Louis to Rome?

•February is the cheapest month to fly from St. Louis to Rome at $554 round-trip.
•June ($1,686) and May ($1,198) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 204% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from St. Louis to Rome the cheapest?

Flights from St. Louis to Rome are cheapest 24 weeks before departure. Booking in this window typically costs about 38% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for St. Louis to Rome flights

Low season

January

Cheapest flight

$326
Beat the crowds with an average 43% drop in travelers.
The most popular month to fly with an average 150% increase in travelers.
One-way flight from St. Louis to Rome Fiumicino Airport

When to book flights from St. Louis to Rome

Are your dates flexible? Find out the best times to travel from St. Louis to Rome based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Rome flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from St. Louis to Rome?

    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.

  • How long is a flight from St. Louis to Rome?

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

  • Do I need a passport to fly from St. Louis to Rome?

    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.

  • How much should I expect to pay for a St. Louis to Rome flight?

    Round-trip flights from St. Louis to Rome range from $832 to $1,312, with an average of $1,037 over the past 12 months. Anything below $832 counts as a good deal.

  • How expensive are last-minute St. Louis to Rome flights?

    Last-minute fares on this route (booked within two weeks of departure) run 29% above the $1,037 route average. Book 24 weeks before departure for the lowest fares.

  • How are flight prices from St. Louis to Rome looking right now?

    One-way fares from St. Louis to Rome are currently lower than usual. Average one-way flight prices are about $349, which is 47% below the typical average for this route.

  • What car rental options are available in Rome?

    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 from around $1:

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

    Near Rome Ciampino Airport (CIA) — daily rates from around $5:

    • Rent Smart 24
    • DRIVALIA
    • U-Save
    • Budget
    • Centauro

  • Which airports can I use when flying from St. Louis to Rome?

    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).

  • Which airports do connecting flights from St. Louis to Rome pass through?

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

    • Chicago O'Hare Intl (ORD) - 21% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) - 18% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 17% of one-stop connections
    • Frankfurt am Main (FRA) - 12% of one-stop connections

  • Can I save money by using flexible dates for flights from St. Louis to Rome?

    Yes. Flexible dates can save you up to 26% on flights from St. Louis to Rome. Wednesday is the cheapest departure day at $897 round-trip on average, while Friday is the most expensive at $1,212, a difference of $315.

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

  • How much time can I save by choosing a different layover airport from St. Louis to Rome?

    Flying via London Heathrow (LHR) gives the shortest average 1-stop total travel time at 13h 21m, compared with 13h 32m via Chicago O'Hare Intl (ORD) and 13h 37m via Toronto Pearson Intl (YYZ).

  • What is the time difference between St. Louis and Rome?

    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.

  • What popular places can I visit in Rome?

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

  • How do I get from Fiumicino International Airport to the city center?

    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.

  • Can I bring a pet on Delta Airlines flights from St Louis to Rome?

    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.

  • Which nearby cities can be accessed from Fiumicino International Airport?

    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.

  • What is the baggage policy on flights from St Louis to Rome with Turkish Airlines?

    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.

Your guide to booking St. Louis to Rome flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Friday. On this route, Wednesday flights average $897, about $315 less than Friday fares (26% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 24 weeks before you fly. On this route, that window historically saves about 38% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your St. Louis to Rome trip for February. Fares historically average $554 round-trip in that month - typically $1,132 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Rome Ciampino Airport.

    • Hotel Meeting
  • Ciampino (CIA) and Fiumicino (FCO) airports are the main airports in Rome. Fleets from various regions worldwide, including those flying from Lambert St Louis International Airport, are landed at either of the airports. Airlines such as Delta, KLM, Lufthansa, West-Jet, and Turkish Airlines are operated between St Louis and Rome.
  • Flights flying from Lambert St Louis International Airport (STL) will land at Fiumicino Airport. You will find it easy to navigate at Ciampino Airport as it has just one terminal for arrivals and departures. If you travel internationally, you will land at Leonardo Da Vinci International Airport in Fiumicino, which has two operating terminals, and you will arrive at terminal three. On arrival, you can take an outdoor bus at the ground level a few meters from the arrival terminal, which will drop you at the central station in Rome.
  • Delta Airlines offers passengers economy, premium economy, and business class services. All travelers will be served coffee during their journey. If you travel in premium economy class, you will have improved dining options and legroom. Business class travelers will be provided noise-reducing headsets and skin care products.
  • Turkish Airlines' premium economy section will offer adjustable toy seats for kids and amenity kits, including earplugs, lip balm, and socks, as an incentive if you travel with kids. If you board the business class, you will be privileged to get in-chair massage functions and a reading lamp.
  • Lufthansa Airlines is among the airlines operating between St Louis and Rome that have taken measures to reduce carbon emissions. The airline is determined to half its carbon emissions by 2030. Additionally, the airline is determined to utilize sustainable aviation fuel (SAF) and more fuel-efficient aircraft to meet sustainable environmental conservation goals.

More options for your flight from St. Louis to Rome

Complete your trip to Rome with a hotel stay or car rental

Car rentals in Rome
Hotels in Rome
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