Are direct flights from Rome to St. Louis always the best option?

Direct flights offer convenience by minimizing travel time and avoiding layovers, but they are not always the cheapest option. Flights with one or more connections can sometimes be more affordable. Consider your budget and time constraints when making your choice.

Can flexible travel dates help on Rome to St. Louis flights?

Yes, being flexible with your travel dates can significantly impact the price of your flight. Mid-week travel or flying during off-peak seasons often results in lower fares. Adjusting your departure or return by a few days may lead to considerable savings.

What extra costs should I check before booking Rome to St. Louis flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Being aware of these additional fees can help you budget accurately.

Flights From Rome

To St. Louis

Cheap Flights from Rome to St. Louis

Browse current best options from Rome. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Rome

RatePunk searches hundreds of travel sites at once for deals on flights to St. Louis

Prices updated 1 day ago

462 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from Rome to St. Louis

Explore current cheapest deals departing from Rome to St. Louis

2026-09-24 – 2026-09-28
ROM - St. Louis
90% AI deal score
931 €
734 €
Round trip
2026-10-22 – 2026-10-29
ROM - St. Louis
81% AI deal score
807 €
734 €
Round trip
2026-11-04 – 2026-11-23
ROM - St. Louis
77% AI deal score
732 €
734 €
Round trip
2026-11-05 – 2026-11-23
ROM - St. Louis
77% AI deal score
733 €
734 €
Round trip
2026-09-30 – 2026-10-04
ROM - St. Louis
79% AI deal score
866 €
735 €
Round trip
2026-10-27 – 2026-11-03
ROM - St. Louis
76% AI deal score
804 €
736 €
Round trip
2026-09-25 – 2026-09-29
ROM - St. Louis
90% AI deal score
929 €
740 €
Round trip
2026-10-20 – 2026-10-27
ROM - St. Louis
81% AI deal score
809 €
740 €
Round trip
2026-09-26 – 2026-09-29
ROM - St. Louis
88% AI deal score
922 €
744 €
Round trip
2026-10-23 – 2026-10-30
ROM - St. Louis
81% AI deal score
807 €
744 €
Round trip

Rome to St. Louis: Overview

Insights for flights from Rome to St. Louis

A typical journey from Rome to St. Louis takes about 48h 14m, including connections. Given that most itineraries on this route involve at least one stop, this median duration accounts for the time spent in transit and during layovers. This is a significant travel time, reflecting the long-haul nature of the route.

For travelers seeking cheap flights from Rome to St. Louis, fares typically range from $1151–$1642, with a median of $1309. Right now, current fares are significantly below the typical level, indicating a potentially favorable time to book. However, the share of recent fares classified as a good price is 0%, suggesting that exceptionally low prices are uncommon.

When is the cheapest time to fly from Rome to St. Louis? The data indicates that October is the most affordable month, with a median fare of $1136. Following closely are May, with a median fare of $1138, and April, where the median fare is $1161. These months offer the lowest median prices for this route.

Most itineraries from Rome to St. Louis involve connections. 0% of recent fares were for direct flights from Rome to St. Louis, meaning that most itineraries connect at least once. For connecting flights, the typical number of stopovers is 2, which contributes to the overall journey time.

The distance between Rome and St. Louis is approximately 8131 kilometers. This classifies the route as a long-haul journey, which typically involves extended flight times and often requires multiple connections due to the significant geographical separation.

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

Regular price: €804 - €1,224

Prices for flights from Rome to St. Louis are currently below the regular range.

Regular prices for flights from Rome to St. Louis typically range from 804 EUR to 1224 EUR. The current lowest deal is 734 EUR with Deutsche Luft Hansa, for travel from Sep 24-Sep 28.

now 734 €

Low 804 €

High 1,224 €

The cheapest time to fly from Rome to St. Louis

The cheapest month to fly from Rome to St. Louis is October, with a median price of $1136. The most expensive month is August, with a median price of $1679. Prices are generally lower from April to October.

October

Cheapest

Flights from 1,136 €

August

Most Expensive

Flights from 1,679 €

Apr

May

Jun

Jul

Aug

Sep

Oct

Direct flights from Rome to St. Louis

WestJet

Aero Services Executive

Air Canada

Frontier Airlines

Last-minute flights going from Rome to St. Louis

Fri, Sep 18

⌛ Last-Minute

FCO - St. Louis

Rome (FCO) - St. Louis (STL)

Air Canada

1,087 €

2,399 €

One-way

Sun, Sep 20

⌛ Last-Minute

FCO - St. Louis

Rome (FCO) - St. Louis (STL)

Air Canada

1,038 €

2,421 €

One-way

Mon, Sep 21

⌛ Last-Minute

FCO - St. Louis

Rome (FCO) - St. Louis (STL)

KLM

860 €

1,048 €

One-way

Mon, Sep 21

⌛ Last-Minute

FCO - St. Louis

Rome (FCO) - St. Louis (STL)

KLM

1,021 €

2,065 €

One-way

Thu, Sep 24

⌛ Last-Minute

FCO - St. Louis

Rome (FCO) - St. Louis (STL)

Air Canada

940 €

837 €

One-way

Fri, Sep 25

⌛ Last-Minute

FCO - St. Louis

Rome (FCO) - St. Louis (STL)

Deutsche Luft Hansa

935 €

738 €

One-way

Biggest price drops on these dates for flights from Rome to St. Louis

4 nights

Sep 24 - Sep 28

931 € → 734 €

21%

4 nights

Sep 25 - Sep 29

929 € → 740 €

20%

3 nights

Sep 26 - Sep 29

922 € → 744 €

19%

3 nights

Sep 22 - Sep 25

952 € → 784 €

18%

Popular Airports to fly from Rome to St. Louis

Rome - St. Louis route insights

💸 Price insights

Recent fares are below the typical level.

Recent fares from Rome to St. Louis are below the typical level, with a median of $1309.

📅 Best time to fly

October offers the lowest median prices.

Historically, October, May, and April offer the lowest median prices for this route.

⏱️ Flight duration

Flights typically take 48h 14m.

The median flight duration from Rome to St. Louis is 48 hours and 14 minutes.

✈️ Airlines & availability

No direct flights are available.

This route typically requires connecting flights, with a median of 2 stopovers.

🏆 Airline highlight

Deutsche Luft Hansa offers a notable deal.

A recent deal from Deutsche Luft Hansa was found for $734 via Skyscanner.

🎯 Booking tip

Deals are rare for this route.

Historically, deals for flights from Rome to St. Louis are rare.

Rome main airports to depart from

Leonardo da Vinci–Fiumicino Airport (FCO)

Cheapest

Leonardo da Vinci–Fiumicino Airport is a convenient option for flights from Rome to St. Louis.

📍 ~24 km from Rome city center (reachable by car or train).

💸 Flights from ~€656

Ciampino–G. B. Pastine International (CIA)

Ciampino–G. B. Pastine International offers another departure choice for your trip to St. Louis.

📍 ~14 km from Rome city center (reachable by car or train).

💸 Flights from ~€656

St. Louis main airports to arrive at

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International is a convenient arrival airport for your trip to St. Louis.

📍 ~20 km from St. Louis city center (reachable by car)

💸 Flights from ~€675

Airports nearby St. Louis used as alternative

MidAmerica St. Louis (BLV)

MidAmerica St. Louis (BLV) is the closest alternative airport to the St. Louis metropolitan area.

📍 ~40 km from St. Louis (reachable by car)

💸 Flights from ~€772

Business & First Class Flight Deals to St. Louis

Discover luxury on the budget with premium cabin class on flights from Rome to St. Louis.

Elite

Best Elite deals to St. Louis

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From FCO

Elite

Sep 21

St. Louis, United States

88% AI deal score

$4,987

$3,838

Save $1,149

Icelandair, +1

Business Class

From FCO

Elite

Oct 22

St. Louis, United States

80% AI deal score

$4,281

$3,781

Save $500

Alitalia, +1

Business Class

From FCO

Elite

Oct 20

St. Louis, United States

80% AI deal score

$4,273

$3,781

Save $492

Alitalia, +1

Business Class

From FCO

Elite

Oct 03

St. Louis, United States

80% AI deal score

$4,427

$3,922

Save $505

Alitalia, +1

Business Class

From FCO

Elite

Sep 30

St. Louis, United States

80% AI deal score

$4,616

$3,971

Save $645

Icelandair, +1

Business Class

From FCO

Elite

Oct 02

St. Louis, United States

79% AI deal score

$4,164

$3,779

Save $385

Alitalia, +1

Business Class

From FCO

Elite

Oct 22

St. Louis, United States

79% AI deal score

$4,173

$3,813

Save $360

Alitalia, +1

Business Class

From FCO

Elite

Oct 20

St. Louis, United States

79% AI deal score

$4,173

$3,813

Save $360

Alitalia, +1

Business Class

From FCO

Elite

Oct 13

St. Louis, United States

79% AI deal score

$4,204

$3,819

Save $385

Tunisair, +1

Business Class

From FCO

Elite

Oct 03

St. Louis, United States

79% AI deal score

$4,158

$3,820

Save $338

Alitalia, +1

Business Class

From FCO

Elite

Oct 21

St. Louis, United States

79% AI deal score

$4,278

$3,822

Save $456

Alitalia, +1

Business Class

From FCO

Elite

Oct 23

St. Louis, United States

79% AI deal score

$4,286

$3,849

Save $437

Icelandair, +1

Business Class

Frequently Asked Questions About Flights to St. Louis

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking flights in advance, often several months out, can sometimes result in lower prices. However, last-minute deals can also appear, so it's often beneficial to monitor fare trends. The ideal booking time can vary, so comparing options is key.

Comparing nearby airports at both your origin and destination can sometimes uncover more economical flight options. While it may add to travel time, the potential savings on airfare can be significant. Always factor in ground transportation costs and convenience.

Rome to St. Louis: Overview

Insights for flights from Rome to St. Louis

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

Regular price: €804 - €1,224

Prices for flights from Rome to St. Louis are currently below the regular range.

Regular prices for flights from Rome to St. Louis typically range from 804 EUR to 1224 EUR. The current lowest deal is 734 EUR with Deutsche Luft Hansa, for travel from Sep 24-Sep 28.

now 734 €

Low 804 €

High 1,224 €

The cheapest time to fly from Rome to St. Louis

October

Cheapest

Flights from 1,136 €

August

Most Expensive

Flights from 1,679 €

Apr

May

Jun

Jul

Aug

Sep

Oct

Direct flights from Rome to St. Louis

WestJet

Aero Services Executive

Air Canada

Frontier Airlines

Last-minute flights going from Rome to St. Louis

Fri, Sep 18

⌛ Last-Minute

FCO - St. Louis

Rome (FCO) - St. Louis (STL)

Air Canada

1,087 €

2,399 €

One-way

Sun, Sep 20

⌛ Last-Minute

FCO - St. Louis

Rome (FCO) - St. Louis (STL)

Air Canada

1,038 €

2,421 €

One-way

Mon, Sep 21

⌛ Last-Minute

FCO - St. Louis

Rome (FCO) - St. Louis (STL)

KLM

860 €

1,048 €

One-way

Mon, Sep 21

⌛ Last-Minute

FCO - St. Louis

Rome (FCO) - St. Louis (STL)

KLM

1,021 €

2,065 €

One-way

Thu, Sep 24

⌛ Last-Minute

FCO - St. Louis

Rome (FCO) - St. Louis (STL)

Air Canada

940 €

837 €

One-way

Fri, Sep 25

⌛ Last-Minute

FCO - St. Louis

Rome (FCO) - St. Louis (STL)

Deutsche Luft Hansa

935 €

738 €

One-way

Biggest price drops on these dates for flights from Rome to St. Louis

4 nights

Sep 24 - Sep 28

931 € → 734 €

21%

4 nights

Sep 25 - Sep 29

929 € → 740 €

20%

3 nights

Sep 26 - Sep 29

922 € → 744 €

19%

3 nights

Sep 22 - Sep 25

952 € → 784 €

18%

Popular Airports to fly from Rome to St. Louis

Rome - St. Louis route insights

💸 Price insights

Recent fares are below the typical level.

Recent fares from Rome to St. Louis are below the typical level, with a median of $1309.

📅 Best time to fly

October offers the lowest median prices.

Historically, October, May, and April offer the lowest median prices for this route.

⏱️ Flight duration

Flights typically take 48h 14m.

The median flight duration from Rome to St. Louis is 48 hours and 14 minutes.

✈️ Airlines & availability

No direct flights are available.

This route typically requires connecting flights, with a median of 2 stopovers.

🏆 Airline highlight

Deutsche Luft Hansa offers a notable deal.

A recent deal from Deutsche Luft Hansa was found for $734 via Skyscanner.

🎯 Booking tip

Deals are rare for this route.

Historically, deals for flights from Rome to St. Louis are rare.

Rome main airports to depart from

Leonardo da Vinci–Fiumicino Airport (FCO)

Cheapest

Leonardo da Vinci–Fiumicino Airport is a convenient option for flights from Rome to St. Louis.

📍 ~24 km from Rome city center (reachable by car or train).

💸 Flights from ~€656

Ciampino–G. B. Pastine International (CIA)

Ciampino–G. B. Pastine International offers another departure choice for your trip to St. Louis.

📍 ~14 km from Rome city center (reachable by car or train).

💸 Flights from ~€656

St. Louis main airports to arrive at

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International is a convenient arrival airport for your trip to St. Louis.

📍 ~20 km from St. Louis city center (reachable by car)

💸 Flights from ~€675

Airports nearby St. Louis used as alternative

MidAmerica St. Louis (BLV)

MidAmerica St. Louis (BLV) is the closest alternative airport to the St. Louis metropolitan area.

St. Louis, United States

79% AI deal score

$4,286

$3,849

Save $437

Icelandair, +1

Business Class

Frequently Asked Questions About Flights to St. Louis

Cheap Flights from Rome to St. Louis

Today’s best flight deals from Rome to St. Louis

Rome to St. Louis: Overview

Insights for flights from Rome to St. Louis

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

The cheapest time to fly from Rome to St. Louis

Direct flights from Rome to St. Louis

Last-minute flights going from Rome to St. Louis

Biggest price drops on these dates for flights from Rome to St. Louis

Popular Airports to fly from Rome to St. Louis

Rome - St. Louis route insights

Recent fares are below the typical level.

October offers the lowest median prices.

Flights typically take 48h 14m.

No direct flights are available.

Deutsche Luft Hansa offers a notable deal.

Deals are rare for this route.

Rome main airports to depart from

St. Louis main airports to arrive at

Airports nearby St. Louis used as alternative

Business & First Class Flight Deals to St. Louis

Best Elite deals to St. Louis

Sep 21

Oct 22

Oct 20

Oct 03

Sep 30

Oct 02

Oct 22

Oct 20

Oct 13

Oct 03

Oct 21

Oct 23

Frequently Asked Questions About Flights to St. Louis

How can I find cheap flights from Rome to St. Louis?

When should I book flights from Rome to St. Louis?

Should I compare nearby airports for flights from Rome to St. Louis?

Are direct flights from Rome to St. Louis always the best option?

Can flexible travel dates help on Rome to St. Louis flights?

What extra costs should I check before booking Rome to St. Louis flights?

Related routes

More routes from Rome

Flights to St. Louis from other cities

Rome to St. Louis: Overview

Insights for flights from Rome to St. Louis

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

The cheapest time to fly from Rome to St. Louis

Direct flights from Rome to St. Louis

Last-minute flights going from Rome to St. Louis

Biggest price drops on these dates for flights from Rome to St. Louis

Popular Airports to fly from Rome to St. Louis

Rome - St. Louis route insights

Recent fares are below the typical level.

October offers the lowest median prices.

Flights typically take 48h 14m.

No direct flights are available.

Deutsche Luft Hansa offers a notable deal.

Deals are rare for this route.

Rome main airports to depart from

St. Louis main airports to arrive at

Airports nearby St. Louis used as alternative

Business & First Class Flight Deals to St. Louis

Best Elite deals to St. Louis

Sep 21

Oct 22

Oct 20

Oct 03

Sep 30

Oct 02

Oct 22

Oct 20

Oct 13

Oct 03

Oct 21

Oct 23

Frequently Asked Questions About Flights to St. Louis

How can I find cheap flights from Rome to St. Louis?

When should I book flights from Rome to St. Louis?

Should I compare nearby airports for flights from Rome to St. Louis?