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
55.4 - 89.6 °F
ROM
Precipitation
0.2 - 1.9 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

One-way from

$554

One-way flight from Lambert-St Louis to Rome

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
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.

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 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 September, October 2021

The best prices found for STL to ROM flights for September, October
5 Oct - 13 Oct
$300pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
FCO
Rome Fiumicino
FCO
Rome Fiumicino
American Airlines
 
1 STOP
STL
Lambert-St Louis
2 Oct - 14 Oct
$417pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
FCO
Rome Fiumicino
FCO
Rome Fiumicino
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
27 Oct - 7 Nov
$428pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
FCO
Rome Fiumicino
FCO
Rome Fiumicino
Multiple Airlines
     
3 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 Oct - 13 Oct
$300pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
FCO
Rome Fiumicino
FCO
Rome Fiumicino
American Airlines
 
1 STOP
STL
Lambert-St Louis
2 Oct - 14 Oct
$417pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
FCO
Rome Fiumicino
FCO
Rome Fiumicino
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
5 Nov - 12 Nov
$419pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
FCO
Rome Fiumicino
FCO
Rome Fiumicino
Multiple Airlines
     
3 STOPS
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
24 Sep - 1 Oct
$768pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
FCO
Rome Fiumicino
FCO
Rome Fiumicino
United Airlines
   
2 STOPS
STL
Lambert-St Louis
24 Sep - 1 Oct
$773pp
STL
Lambert-St Louis
United Airlines
   
2 STOPS
FCO
Rome Fiumicino
FCO
Rome Fiumicino
United Airlines
   
2 STOPS
STL
Lambert-St Louis
24 Sep - 1 Oct
$787pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
FCO
Rome Fiumicino
FCO
Rome Fiumicino
United Airlines
 
1 STOP
STL
Lambert-St Louis

One-way flights to Rome from St. Louis

The cheapest one-way flights from St. Louis to Rome
10:25 am - 5:50 am
KLM
1 Stop
12h 25m
STL - FCO
KLM
$554
KLM
5:39 am - 2:05 am
Iberia
1 Stop
13h 26m
STL - FCO
Iberia
$580
SnapTravelAir
1:22 pm - 1:15 pm
Lufthansa
2 Stops
16h 53m
STL - FCO
Lufthansa
$623
Ovago

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.

Are flight prices decreasing from St. Louis to Rome due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St. Louis and Rome for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from St. Louis to Rome for under $300 on Cheapflights?

Yes, there are multiple flights from St. Louis to Rome for under $300. The cheapest flight booked recently is on American Airlines for just $300, but on average you can expect to pay $487.

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

There are currently 9+ 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?

Cheapflights users have booked flights from St. Louis to Rome round-trip from $300. Other airlines that can offer you cheap pricing are United Airlines, from $488, and British Airways, from $525. American Airlines is priced at 69% lower than the current average price of a flight leaving 3 months from now.

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

$281 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on KLM and Lufthansa, with prices starting from $504 and $623, respectively.

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 48 or 72 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 = €0.86
Average temperature for September in Rome
80.6 °F
Avg rainfall for September in Rome
1.0 ″

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
British Airways
$576 $1,063 No cancel fee 70%
Air Canada
$635 $1,147 No cancel fee 67%
Finnair
$844 $1,162 No cancel fee 76%
United Airlines
$467 $1,189 No cancel fee 69%
Delta
$643 $1,262 No cancel fee N/A
Lufthansa
$575 $1,276 No cancel fee 76%
American Airlines
$678 $1,289 No cancel fee 71%
Aer Lingus
$978 $1,343 No cancel fee N/A
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