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

Our cheapest airline available from St. Louis to Rome Fiumicino Airport is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $719 on this airline. Additional options worth looking into are United Airlines and KLM, starting at $723 and $727 round-trip. Scandinavian Airlines is priced at 33% 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 Fiumicino Airport one-way?

To fly one-way, consider booking your trip with Scandinavian Airlines, which is currently one of the cheapest options available, starting at $406. Air Canada flights start at $498 while deals on Lufthansa start at $515 one-way.

What is the cheapest day to fly from St. Louis to Rome Fiumicino Airport?

Travelers seeking maximum savings on their St. Louis to Rome Fiumicino Airport flight should consider departing on Friday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Consider American Airlines, Air Canada or British Airways when booking your flight. These represent the most popular airlines when flying from St. Louis to Rome Fiumicino Airport.

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

Users have found that flying from St. Louis to Rome Fiumicino Airport on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Rome Fiumicino Airport. Flights to Rome Fiumicino Airport from St. Louis in February are about $1,136 on average during February, but can be found for as low as $662.

Most accurate provider : When it comes to deals on St. Louis-Rome Fiumicino Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Rome Fiumicino Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Rome Fiumicino Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Rome Fiumicino Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Rome Fiumicino Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Rome Fiumicino. You should not have trouble finding flights to Rome Fiumicino from Lambert-St Louis; the airport handles an average of 0 outbound flights to Rome Fiumicino per day. You should also have plenty of airline options to choose from since 8 airlines have flights from the St. Louis airport to Rome Fiumicino. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

How can I find direct flights from St. Louis to Leonardo da Vinci/Fiumicino?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Leonardo da Vinci/Fiumicino.

Can I find deals for business class flights from St. Louis to Leonardo da Vinci/Fiumicino?

Yes. Cheapflights offers flight deals from St. Louis to Leonardo da Vinci/Fiumicino by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$406+ Flights from St. Louis to Rome Fiumicino Airport

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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The best prices from Lambert-St Louis to Rome Fiumicino are usually found in January or February, booked 1 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from St. Louis to Leonardo da Vinci/Fiumicino

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$709 (Expedia)
One-way from	$406 (Ovago)
Popular in	June
Cheapest in	January
Average price	$856

Provider with most accurate pricing for Lambert-St Louis-Rome Fiumicino flight deals.

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Provider most trusted by Cheapflights users for Lambert-St Louis-Rome Fiumicino flights.

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From Lambert-St Louis to Rome Fiumicino

Search Deals

One-way flight from Lambert-St Louis to Rome Fiumicino

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High demand for flights, 24% potential price rise

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Best time to find cheap flights, 4% potential price drop

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Average for round-trip flights in December 2024

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Find flight deals from St. Louis to Leonardo da Vinci/Fiumicino

Cheapest flights from St. Louis to Leonardo da Vinci/Fiumicino
Explore the most affordable flight options available from St. Louis to Leonardo da Vinci/Fiumicino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

Tue 12/243:50 pmSTL - FCO

3 stops20h 20mMultiple Airlines

Thu 12/267:35 pmFCO - STL

3 stops27h 50mMultiple Airlines

Deal found 12/20

$1,504

Thu 12/266:25 amSTL - FCO

2 stops20h 35mUnited Airlines

Mon 1/612:15 pmFCO - STL

2 stops37h 54mUnited Airlines

Deal found 12/19

$1,608

Thu 12/266:25 amSTL - FCO

2 stops20h 35mAir Canada

Mon 1/67:05 amFCO - STL

2 stops39h 01mAir Canada

Deal found 12/20

$1,755

Thu 12/266:30 amSTL - FCO

1 stop19h 30mAmerican Airlines

Mon 1/61:10 pmFCO - STL

1 stop14h 49mAmerican Airlines

Deal found 12/20

$1,888

Tue 12/2410:16 amSTL - FCO

2 stops22h 14mIberia

Thu 12/261:10 pmFCO - STL

1 stop14h 49mIberia

Deal found 12/20

$1,933

Tue 12/2412:41 pmSTL - FCO

1 stop13h 19mBritish Airways

Thu 12/261:10 pmFCO - STL

1 stop14h 49mBritish Airways

Deal found 12/20

$1,936

Sat 12/213:24 pmSTL - FCO

1 stop12h 06mDelta

Sat 1/1812:45 pmFCO - STL

1 stop17h 52mDelta

Deal found 12/19

$2,284

Fri 12/2711:30 amSTL - FCO

2 stops23h 25mLufthansa

Thu 1/28:25 amFCO - STL

2 stops16h 26mLufthansa

Deal found 12/21

$5,590

Sat 12/285:27 pmSTL - FCO

2 stops37h 23mTurkish Airlines

Thu 1/26:55 amFCO - STL

2 stops39h 52mTurkish Airlines

Deal found 12/21

$6,399

Best flights from St. Louis to Leonardo da Vinci/Fiumicino
Discover carefully curated flight deals from St. Louis to Leonardo da Vinci/Fiumicino that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 22, 2024.

Sun 1/1912:52 pmSTL - FCO

2 stops17h 53mMultiple Airlines

Tue 4/2911:55 amFCO - STL

2 stops58h 21mMultiple Airlines

Deal found 12/19

$709

Sun 1/1912:52 pmSTL - FCO

2 stops17h 53mScandinavian Airlines

Tue 4/2911:55 amFCO - STL

2 stops39h 47mScandinavian Airlines

Deal found 12/19

$719

Wed 2/193:45 pmSTL - FCO

1 stop14h 00mUnited Airlines

Wed 3/512:15 pmFCO - STL

2 stops33h 08mUnited Airlines

Deal found 12/20

$723

Tue 3/47:15 amSTL - FCO

1 stop20h 15mKLM

Tue 3/1811:45 amFCO - STL

1 stop17h 53mKLM

Deal found 12/21

$727

Tue 3/47:15 amSTL - FCO

2 stops19h 30mDelta

Tue 3/188:20 amFCO - STL

2 stops19h 20mDelta

Deal found 12/19

$732

Tue 3/1112:01 pmSTL - FCO

1 stop17h 19mIberia

Tue 3/187:30 amFCO - STL

2 stops20h 10mIberia

Deal found 12/19

$736

Wed 1/153:50 pmSTL - FCO

2 stops15h 10mAir Canada

Wed 1/2212:15 pmFCO - STL

2 stops33h 51mAir Canada

Deal found 12/20

$747

Wed 1/153:45 pmSTL - FCO

1 stop14h 00mLufthansa

Wed 1/227:05 amFCO - STL

1 stop13h 50mLufthansa

Deal found 12/20

$749

Mon 1/136:00 pmSTL - FCO

2 stops15h 30mBritish Airways

Mon 1/208:45 pmFCO - STL

2 stops29h 45mBritish Airways

Deal found 12/21

$758

Tue 3/1111:39 amSTL - FCO

1 stop17h 41mFinnair

Sun 3/166:40 pmFCO - STL

2 stops30h 45mFinnair

Deal found 12/21

$867

Thu 3/136:00 amSTL - FCO

1 stop21h 00mAmerican Airlines

Wed 3/191:10 pmFCO - STL

1 stop29h 29mAmerican Airlines

Deal found 12/19

$874

Tue 3/1811:04 amSTL - FCO

2 stops17h 51mAer Lingus

Wed 3/268:20 pmFCO - STL

2 stops27h 39mAer Lingus

Deal found 12/20

$909

Last-minute flights from St. Louis to Leonardo da Vinci/Fiumicino
Discover last-minute flight deals from St. Louis to Leonardo da Vinci/Fiumicino. Data last updated December 22, 2024 and is based on user searches.

Tue 12/2410:16 amSTL - FCO

2 stops22h 14mIberia

Thu 12/261:10 pmFCO - STL

1 stop14h 49mIberia

Deal found 12/20

$1,933

Thu 12/266:25 amSTL - FCO

2 stops20h 35mUnited Airlines

Mon 1/612:15 pmFCO - STL

2 stops37h 54mUnited Airlines

Deal found 12/19

$1,608

Thu 12/263:50 pmSTL - FCO

2 stops23h 50mMultiple Airlines

Mon 1/612:15 pmFCO - STL

1 stop33h 51mMultiple Airlines

Deal found 12/19

$1,736

Thu 12/266:25 amSTL - FCO

2 stops20h 35mAir Canada

Mon 1/67:05 amFCO - STL

2 stops39h 01mAir Canada

Deal found 12/20

$1,755

Thu 12/266:30 amSTL - FCO

1 stop19h 30mAmerican Airlines

Mon 1/61:10 pmFCO - STL

1 stop14h 49mAmerican Airlines

Deal found 12/20

$1,888

Fri 12/272:00 pmSTL - FCO

1 stop12h 00mIberia

Sat 12/281:10 pmFCO - STL

2 stops16h 33mIberia

Deal found 12/21

$2,027

Fri 12/272:00 pmSTL - FCO

1 stop12h 00mBritish Airways

Sat 12/281:10 pmFCO - STL

1 stop14h 49mBritish Airways

Deal found 12/21

$2,046

Fri 12/2711:30 amSTL - FCO

2 stops23h 25mLufthansa

Thu 1/28:25 amFCO - STL

2 stops16h 26mLufthansa

Deal found 12/21

$5,590

Sat 12/285:27 pmSTL - FCO

2 stops37h 23mTurkish Airlines

Thu 1/26:55 amFCO - STL

2 stops39h 52mTurkish Airlines

Deal found 12/21

$6,399

Thu 1/26:30 amSTL - FCO

2 stops21h 25mAer Lingus

Fri 1/1711:35 amFCO - STL

2 stops17h 34mAer Lingus

Deal found 12/20

$1,181

Thu 1/27:00 amSTL - FCO

1 stop17h 55mAustrian Airlines

Sat 1/1110:15 amFCO - STL

2 stops44h 15mAustrian Airlines

Deal found 12/21

$1,400

Thu 1/26:30 amSTL - FCO

1 stop19h 30mAmerican Airlines

Sat 1/111:10 pmFCO - STL

1 stop14h 31mAmerican Airlines

Deal found 12/21

$1,540

One-way flights from St. Louis to Leonardo da Vinci/Fiumicino
Search for one-way flight options from St. Louis to Leonardo da Vinci/Fiumicino. Find affordable one-way fares based on user searches. Data last updated December 22, 2024.

Wed 3/512:52 pmSTL - FCO

2 stops17h 53mScandinavian Airlines

Deal found 12/20

$406

Tue 12/3112:15 pmSTL - FCO

3 stops18h 45mMultiple Airlines

Deal found 12/20

$494

Wed 3/510:18 amSTL - FCO

2 stops16h 42mAir Canada

Deal found 12/21

$498

Wed 3/53:45 pmSTL - FCO

1 stop14h 00mLufthansa

Deal found 12/21

$515

Wed 3/53:45 pmSTL - FCO

1 stop19h 05mUnited Airlines

Deal found 12/20

$516

Tue 12/3112:15 pmSTL - FCO

2 stops13h 45mIberia

Deal found 12/20

$760

Tue 12/317:15 amSTL - FCO

1 stop17h 40mKLM

Deal found 12/20

$779

Find flights from St. Louis to Leonardo da Vinci/Fiumicino within your budget

Fly from

Fly to

Route

Depart

Return

Price

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sun 3/30

2:05 pm-11:35 am

1 stop14h 30m

Rome Fiumicino

Tue 4/8

12:55 pm-9:23 pm

1 stop15h 28m

$698

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sun 1/19

12:52 pm-1:45 pm

2 stops17h 53m

Rome Fiumicino

Tue 4/29

11:55 am-3:16 pm

2 stops58h 21m

$709

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sun 1/19

12:52 pm-1:45 pm

2 stops17h 53m

Rome Fiumicino

Tue 4/29

11:55 am-8:42 pm

2 stops39h 47m

$719

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 2/19

3:45 pm-12:45 pm

1 stop14h 00m

Rome Fiumicino

Wed 3/5

12:15 pm-2:23 pm

2 stops33h 08m

$723

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 3/4

7:15 am-10:30 am

1 stop20h 15m

Rome Fiumicino

Tue 3/18

11:45 am-11:38 pm

1 stop17h 53m

$727

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Sun 3/30

6:23 pm-3:55 pm

2 stops14h 32m

Rome Fiumicino

Tue 4/8

12:55 pm-8:04 pm

1 stop14h 09m

$731

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 3/4

7:15 am-9:45 am

2 stops19h 30m

Rome Fiumicino

Tue 3/18

8:20 am-9:40 pm

2 stops19h 20m

$732

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 1/15

3:50 pm-2:00 pm

2 stops15h 10m

Rome Fiumicino

Wed 1/22

12:15 pm-3:06 pm

2 stops33h 51m

$747

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 1/15

3:45 pm-12:45 pm

1 stop14h 00m

Rome Fiumicino

Wed 1/22

7:05 am-1:55 pm

1 stop13h 50m

$749

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 3/11

11:39 am-11:20 am

1 stop17h 41m

Rome Fiumicino

Sun 3/16

6:40 pm-7:25 pm

2 stops30h 45m

$867

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 22 results

Compare providers for flights from St. Louis to Leonardo da Vinci/Fiumicino

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Leonardo da Vinci/Fiumicino in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*2 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Trip.com	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-Rome Fiumicino Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Rome Fiumicino Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Rome Fiumicino Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Rome Fiumicino Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Rome Fiumicino Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Leonardo da Vinci/Fiumicino

Have a flexible travel schedule? Discover the best time to fly to Leonardo da Vinci/Fiumicino from St. Louis with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Leonardo da Vinci/Fiumicino

Get recent, data-driven insights about flights from St. Louis to Leonardo da Vinci/Fiumicino including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis to Rome Fiumicino Airport?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Rome Fiumicino Airport (average of $644). Flying from St. Louis to Rome Fiumicino Airport in June is currently the most expensive (average of $1,264). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to FCO?

It’s optimal to fly from St. Louis to Rome Fiumicino Airport in the afternoon. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight in the morning.

Rainfall in Leonardo da Vinci/Fiumicino by month

In terms of precipitation, rainfall in Rome Fiumicino Airport ranges from 0.6 - 4.4 inches per month. November is typically the wettest month, when rainfall can reach 4.4 in. June is typically the driest time to visit Rome Fiumicino Airport when rainfall is around 0.6 in.

Temperature in Leonardo da Vinci/Fiumicino by month

If weather is an important factor for your trip to Rome Fiumicino Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

Reviews of airlines servicing Leonardo da Vinci/Fiumicino

Peruse reviews from past customers who have flown with United Airlines, Iberia and Air Canada from St. Louis to Rome to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,597 reviews

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,342 reviews

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.7

Good

1,283 reviews

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines

7.6

Good

785 reviews

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,501 reviews

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from St. Louis to Rome Fiumicino?
Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Rome Fiumicino. You should not have trouble finding flights to Rome Fiumicino from Lambert-St Louis; the airport handles an average of 0 outbound flights to Rome Fiumicino per day. You should also have plenty of airline options to choose from since 8 airlines have flights from the St. Louis airport to Rome Fiumicino. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.
What are the cheapest airlines flying from St. Louis to Rome Fiumicino Airport round-trip?
Our cheapest airline available from St. Louis to Rome Fiumicino Airport is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $719 on this airline. Additional options worth looking into are United Airlines and KLM, starting at $723 and $727 round-trip. Scandinavian Airlines is priced at 33% 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 Fiumicino Airport one-way?
To fly one-way, consider booking your trip with Scandinavian Airlines, which is currently one of the cheapest options available, starting at $406. Air Canada flights start at $498 while deals on Lufthansa start at $515 one-way.
Can I find deals for flights from St. Louis to Leonardo da Vinci/Fiumicino that include hotel bookings?
Yes. In addition to deals on St. Louis to Leonardo da Vinci/Fiumicino flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Leonardo da Vinci/Fiumicino?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Leonardo da Vinci/Fiumicino.
Can I find deals for business class flights from St. Louis to Leonardo da Vinci/Fiumicino?
Yes. Cheapflights offers flight deals from St. Louis to Leonardo da Vinci/Fiumicino by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from St. Louis to Rome Fiumicino Airport?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Rome Fiumicino Airport (average of $644). Flying from St. Louis to Rome Fiumicino Airport in June is currently the most expensive (average of $1,264). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 8 airlines flying from St. Louis to Leonardo da Vinci/Fiumicino

Airline	Cheapest	Average	Flexibility	On-time
Iberia	Cheapest$630	Average$887	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$668	Average$974	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$687	Average$1,076	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$708	Average$1,117	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$720	Average$1,078	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$721	Average$1,155	FlexibilityNo cancel fee	On-time71%
Air Canada	Cheapest$738	Average$1,317	FlexibilityNo cancel fee	On-time67%
KLM	Cheapest$805	Average$1,179	FlexibilityNo cancel fee	On-time75%

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$406+ Cheap flights from St. Louis (STL) to Fiumicino (FCO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Leonardo da Vinci/Fiumicino with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from Lambert-St Louis to Rome Fiumicino are usually found in January or February, booked 1 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from St. Louis to Leonardo da Vinci/Fiumicino

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Leonardo da Vinci/Fiumicino

Cheapest flights from St. Louis to Leonardo da Vinci/FiumicinoExplore the most affordable flight options available from St. Louis to Leonardo da Vinci/Fiumicino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

Explore the most affordable flight options available from St. Louis to Leonardo da Vinci/Fiumicino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

Find flights from St. Louis to Leonardo da Vinci/Fiumicino within your budget

Compare providers for flights from St. Louis to Leonardo da Vinci/Fiumicino

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Leonardo da Vinci/Fiumicino in December.

Best time to book a flight from St. Louis to Leonardo da Vinci/Fiumicino

Have a flexible travel schedule? Discover the best time to fly to Leonardo da Vinci/Fiumicino from St. Louis with our price prediction graph.

Travel insights for flights from St. Louis to Leonardo da Vinci/Fiumicino

Get recent, data-driven insights about flights from St. Louis to Leonardo da Vinci/Fiumicino including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis to Rome Fiumicino Airport?

What is the cheapest time of day to fly from STL to FCO?

Find hourly flight availability from St. Louis to Leonardo da Vinci/Fiumicino. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

Rainfall in Leonardo da Vinci/Fiumicino by month

Plan your trip to Leonardo da Vinci/Fiumicino by taking into account the average rainfall totals by month.

Temperature in Leonardo da Vinci/Fiumicino by month

Plan your trip to Leonardo da Vinci/Fiumicino by taking into account the average temperature totals by month.

Reviews of airlines servicing Leonardo da Vinci/Fiumicino

Peruse reviews from past customers who have flown with United Airlines, Iberia and Air Canada from St. Louis to Rome to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Leonardo da Vinci/Fiumicino. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

Can I find deals for flights from St. Louis to Leonardo da Vinci/Fiumicino that include hotel bookings?

How can I find direct flights from St. Louis to Leonardo da Vinci/Fiumicino?

Can I find deals for business class flights from St. Louis to Leonardo da Vinci/Fiumicino?

What is the cheapest month to book a flight from St. Louis to Rome Fiumicino Airport?

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Alternative routes for St. Louis to Leonardo da Vinci/Fiumicino

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Top 8 airlines flying from St. Louis to Leonardo da Vinci/Fiumicino

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Cheapest flights from St. Louis to Leonardo da Vinci/Fiumicino
Explore the most affordable flight options available from St. Louis to Leonardo da Vinci/Fiumicino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.