STL - ROM

$238 Find Cheap Flights from St. Louis to Rome - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Rome departing on 8/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$757
Typical prices: $851-$1,164
Finnair
Sun 8/9Tue 8/25
STL - FCO • 1 stop
Cheapest one-way
$238
Typical prices: $429-$606
Aer Lingus
Sun 8/2
STL - FCO • 2 stops
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Rome. You'll need at least 1 connection.
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Top layover airports
Cheapest • Avg $930 (round-trip)
Shortest trip • 11h 51m (one-way)
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When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 50% compared to booking last minute.
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When to travel
Cheapest • 22% price drop
Most popular
Good to know
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Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Rome that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Sun, Aug 9 - Tue, Aug 25
Finnair Logo
12:45 pm - 12:05 pm
STL
-
FCO
16h 20m
1 stop
Finnair Logo
10:00 am - 12:14 am
FCO
-
STL
21h 14m
1 stop
$757Finnair
Tue, Oct 13 - Thu, Oct 22
Multiple Airlines Logo
2:40 pm - 10:20 am
STL
-
FCO
12h 40m
1 stop
Multiple Airlines Logo
9:35 am - 6:41 pm
FCO
-
STL
16h 06m
2 stops
$764Multiple Airlines
Tue, Oct 13 - Thu, Oct 22
Multiple Airlines Logo
12:10 pm - 9:15 am
STL
-
FCO
14h 05m
1 stop
Multiple Airlines Logo
11:30 am - 6:41 pm
FCO
-
STL
14h 11m
1 stop
$765Multiple Airlines
Sun, Nov 8 - Wed, Nov 18
United Airlines Logo
8:40 am - 8:30 am
STL
-
FCO
16h 50m
1 stop
United Airlines Logo
1:15 pm - 12:40 pm
FCO
-
STL
30h 25m
2 stops
$769United Airlines
Sun, Nov 8 - Wed, Nov 18
United Airlines Logo
8:40 am - 8:30 am
STL
-
FCO
16h 50m
1 stop
United Airlines Logo
1:15 pm - 12:40 pm
FCO
-
STL
30h 25m
2 stops
$770United Airlines
Sun, Nov 8 - Wed, Nov 18
Air Canada Logo
6:00 am - 8:55 am
STL
-
FCO
19h 55m
2 stops
Air Canada Logo
1:15 pm - 3:41 pm
FCO
-
STL
33h 26m
2 stops
$773Air Canada
Mon, Nov 9 - Wed, Nov 18
United Airlines Logo
1:08 pm - 10:55 am
STL
-
FCO
14h 47m
2 stops
United Airlines Logo
1:15 pm - 12:40 pm
FCO
-
STL
30h 25m
2 stops
$774United Airlines
Tue, Nov 10 - Tue, Jan 12
United Airlines Logo
4:40 pm - 11:55 am
STL
-
FCO
36h 15m
1 stop
United Airlines Logo
11:15 am - 3:26 pm
FCO
-
STL
35h 11m
1 stop
$775United Airlines
Wed, Nov 18 - Thu, Nov 26
Multiple Airlines Logo
3:40 pm - 5:45 pm
STL
-
FCO
19h 05m
1 stop
Multiple Airlines Logo
11:15 am - 3:26 pm
FCO
-
STL
35h 11m
1 stop
$776Multiple Airlines
Mon, Nov 9 - Wed, Nov 18
United Airlines Logo
12:05 pm - 10:55 am
STL
-
FCO
15h 50m
1 stop
United Airlines Logo
7:05 am - 1:45 pm
FCO
-
STL
13h 40m
1 stop
$777United Airlines
Booking Insights

KAYAK's insights & trends for St. Louis to Rome flights

Get data-powered insights and trends into flights from St. Louis to Rome to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from St. Louis to Rome?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Rome departing in August.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Rome, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Rome is January, where tickets cost $442 (return) on average. On the other hand, the most expensive months are June and May, where the average cost of round-trip tickets is $921 and $718 respectively.

How far in advance should I book a flight from St. Louis to Rome?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to Rome, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from St. Louis to Rome, you should book around 3 weeks before departure, which saves you about 50% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$238
Best time to beat the crowds with an average 47% drop in price.
Most popular time to fly with an average 26% increase in price.
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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Rome

  • 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.

  • What is the cheapest flight from St. Louis to Rome?

    In the last 5 days, the lowest price for a flight from St. Louis to Rome was $238 for a one-way ticket and $757 for a round-trip.

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

    Yes, you’ll need a passport to travel to Rome from St. Louis.

  • Which airports will I be using when flying from St. Louis to Rome?

    On your way to Rome, you’ll fly out from Lambert-St Louis. You’ll be landing in one of Rome’s 2 airports: Rome Ciampino or Rome Fiumicino.

  • Which aircraft models fly most regularly from St. Louis to Rome?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to Rome?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between St. Louis and Rome, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from St. Louis to Rome, Delta or KLM?

    The two airlines most popular with KAYAK users for flights from St. Louis to Rome are Delta and KLM. With an average price for the route of $907 and an overall rating of 7.8, Delta is the most popular choice. KLM is also a great choice for the route, with an average price of $635 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from St. Louis to Rome?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Rome.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Rome?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rome from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Rome?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Rome with an airline and back to St. Louis with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Rome?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Rome from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from St. Louis to Rome

  • 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.

Everything you need to know for your flight from St. Louis to Rome

Information on your arrival and departure airports