Cheap flights from St. Louis (STL) to Rome (ROM)

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The best prices from Lambert-St Louis to Rome are usually found in November or February, booked 37 days in advance, depart on a Tuesday or Wednesday and return on a Monday

How to find the cheapest flight from
St. Louis (STL) to Rome (ROM)

All the information you need to plan the best STL to ROM flight in 2021: compare St. Louis to Rome flight prices with the expected peak season, weather and rainfall in Rome.
STL - ROM
Price
$783 - $1,279
ROM
Temperature
46.4 - 75.2 °F
ROM
Precipitation
0.6 - 4.4 inches

Popular in

June

High demand for flights, 22% potential price rise

Cheapest in

November

Best time to find cheap flights, 21% potential price drop

Round-trip from

$783

From Lambert-St Louis to Rome (ROM)

One-way from

$494

One-way flight from Lambert-St Louis to Rome (ROM)

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from St. Louis to Rome?

To save on the cost of your flight from St. Louis to Rome, book at least 37 days before your planned departure. Booking around this time can save you about 58% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,127 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,681.

What is the cheapest day to fly round-trip from St. Louis to Rome?

Travelers have found that booking a Monday departure is the best way to save up to 9% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

November is one of the best times of the year to fly to Rome from St. Louis. Prices for November average $992 per person but you can even find prices for as low as $585. The most expensive prices can be found in the month of June. Opting for a November flight can save you 28% on your journey compared to booking in November

When is the cheapest time to fly from St. Louis to Rome (STL - ROM)?

When flying from St. Louis to Rome, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 15% versus a flight at noon.

Cheap flights from St. Louis to Rome in October, November 2021

The best prices found for STL to ROM flights for October, November
5 Nov - 12 Nov
$567pp
STL
Lambert-St Louis
Delta
 
1 STOP
FCO
Rome Fiumicino
FCO
Rome Fiumicino
Delta
 
1 STOP
STL
Lambert-St Louis
9 Nov - 2 Feb
$571pp
STL
Lambert-St Louis
Delta
   
2 STOPS
FCO
Rome Fiumicino
FCO
Rome Fiumicino
Delta
   
2 STOPS
STL
Lambert-St Louis
20 Nov - 5 Dec
$577pp
STL
Lambert-St Louis
United Airlines
   
2 STOPS
FCO
Rome Fiumicino
FCO
Rome Fiumicino
United Airlines
   
2 STOPS
STL
Lambert-St Louis

Lambert-St Louis to Rome 2021 flight deals

Cheap flights to Rome from St. Louis found for this year
5 Nov - 12 Nov
$567pp
STL
Lambert-St Louis
Delta
 
1 STOP
FCO
Rome Fiumicino
FCO
Rome Fiumicino
Delta
 
1 STOP
STL
Lambert-St Louis
9 Nov - 2 Feb
$571pp
STL
Lambert-St Louis
Delta
   
2 STOPS
FCO
Rome Fiumicino
FCO
Rome Fiumicino
Delta
   
2 STOPS
STL
Lambert-St Louis
2 Dec - 6 Dec
$572pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
FCO
Rome Fiumicino
FCO
Rome Fiumicino
United Airlines
 
1 STOP
STL
Lambert-St Louis

Last minute flights from St. Louis to Rome

Late deals on round-trip flights to Rome from St. Louis, departing today and this week
27 Oct - 4 Mar
$717pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
FCO
Rome Fiumicino
FCO
Rome Fiumicino
Lufthansa
   
2 STOPS
STL
Lambert-St Louis
27 Oct - 4 Mar
$728pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
FCO
Rome Fiumicino
FCO
Rome Fiumicino
United Airlines
 
1 STOP
STL
Lambert-St Louis
27 Oct - 7 Nov
$773pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
FCO
Rome Fiumicino
FCO
Rome Fiumicino
United Airlines
   
2 STOPS
STL
Lambert-St Louis

One-way flights to Rome from St. Louis

The cheapest one-way flights from St. Louis to Rome
2:55 am - 5:05 am
Delta
2 Stops
20h 10m
STL - FCO
Delta
$494
Delta
1:16 pm - 2:35 pm
Finnair
2 Stops
19h 19m
STL - FCO
Finnair
9:54 am - 3:00 pm
Iberia
2 Stops
23h 06m
STL - FCO
Iberia
$508
Iberia

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Rome</span> flights.

Flight FAQs

From St. Louis to Rome

What airport do you fly from for flights from St. Louis to Rome?

If you book a flight to Rome from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Lambert-St Louis to Rome per day from 12 different airlines.

Which airlines flying from Lambert-St Louis to Rome have flexible cancellations due to COVID-19?

Some of our airline partners flying from Lambert-St Louis to Rome have new flexible policies in place due to COVID-19. American Airlines, Air Canada, and United Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from St. Louis to Rome for under $600 on Cheapflights?

Yes, there are multiple flights from St. Louis to Rome for under $600. The cheapest flight booked recently is on United Airlines for just $547, but on average you can expect to pay $570.

Are there last-minute flights available from St. Louis to Rome for under $800?

There are currently 16+ open flights from St. Louis to Rome within the next 7 days for less than $800.

What are the cheapest airlines flying from St. Louis to Rome round-trip?

According to our current data, United Airlines ($547), Finnair ($556), and Delta ($567) offers the cheapest pricing from St. Louis to Rome. You may be able to fly from St. Louis to Rome for 44% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from St. Louis to Rome one-way?

The cheapest airline one-way is Finnair, with whom users have recently found tickets for as low as $490. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from St. Louis to Rome for a low price.

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

Looking at all options, your cheapest flight can be booked for $601. While the most popular route (Lambert-St Louis - Rome Fiumicino) can be booked for $547 on average our data indicates $1,956 when flying from St. Louis to Rome

What are the most popular airlines that fly from St. Louis to Rome?

When booking a flight from St. Louis to Rome, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

COVID Restrictions

View COVID Travel Restrictions for Rome, Italy

Do I need a COVID test to fly to Rome from St. Louis?

Information is based on travel restrictions from Lambert-St Louis to Rome

Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter Rome.

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative Antigen (quick-test) test taken 72 or 48 hours before departing to Rome.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Rome.

Do I need a test to fly back to St. Louis from Rome?

Returning to Lambert-St Louis from Rome

COVID-19 testing requirements
Visitors from Rome must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Rome are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for Rome, Italy

Destination information for Rome

Things to know before you go - useful duration and weather info for your trip from St. Louis to Rome.
Today's exchange rate
$1 = €0.87
Average temperature for October in Rome
73.4 °F
Avg rainfall for October in Rome
1.5 ″

Airports servicing St. Louis

Airports servicing Rome

Top 8 airlines flying from Lambert-St Louis to Rome

The chart below displays the airlines Cheapflights users traveling from St. Louis to Rome choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$467 $1,189 No cancel fee 69%
Lufthansa
$575 $1,276 No cancel fee 76%
British Airways
$576 $1,063 No cancel fee 70%
Air Canada
$635 $1,147 No cancel fee 67%
Delta
$643 $1,262 No cancel fee N/A
American Airlines
$678 $1,289 No cancel fee 71%
Finnair
$844 $1,162 No cancel fee 76%
Aer Lingus
$978 $1,343 No cancel fee N/A
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