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

Cheapflights users have booked flights from Rome Fiumicino Airport to St. Louis round-trip from $780. Other airlines that can offer you cheap pricing are United Airlines, from $833, and Lufthansa, from $983. British Airways is priced at 19% lower than the current average price of a flight leaving 3 months from now.

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

One-way options have recently been found by users for as low as $636 on Turkish Airlines. Other airlines that offer cheap prices include Finnair from $725 and Lufthansa from $772 one-way.

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

Currently, August is the cheapest month in which you can book a flight from Rome Fiumicino Airport to St. Louis (average of $311). Flying from Rome Fiumicino Airport to St. Louis in March is currently the most expensive (average of $356). 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 day to fly from Rome Fiumicino Airport to St. Louis?

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

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

Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 20% on your flight compared to booking on days when demand is much higher.

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

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, March can be a great choice for travel to St. Louis. Flights to St. Louis from Rome Fiumicino Airport in March are about $911 on average during March, but can be found for as low as $749.

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

When flying from Rome Fiumicino Airport to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Most trusted provider : When it comes to deals on Rome Fiumicino Airport-St. Louis 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 Rome Fiumicino Airport-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Rome Fiumicino. On average, Lambert-St Louis has 0 inbound flights from Rome Fiumicino per day from 0 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

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

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

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

$325+ Flights from Rome Fiumicino Airport to St. Louis

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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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$780 (Booking.com)
One-way from	$325 (Kiwi.com)
Popular in	May
Cheapest in	April

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

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

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From Rome Fiumicino to Lambert-St Louis

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

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High demand for flights, 1% potential price rise

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Best time to find cheap flights, 1% potential price drop

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

Cheapest flights from Leonardo da Vinci/Fiumicino to St. Louis
Explore the most affordable flight options available from Leonardo da Vinci/Fiumicino to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

Fri 3/217:55 amFCO - STL

2 stops20h 12mBritish Airways

Sun 3/235:37 pmSTL - FCO

2 stops22h 18mBritish Airways

Deal found 1/19

$780

Fri 3/217:05 amFCO - STL

2 stops33h 03mUnited Airlines

Sun 3/235:33 pmSTL - FCO

1 stop32h 12mUnited Airlines

Deal found 1/19

$833

Sat 3/222:50 pmFCO - STL

1 stop23h 56mMultiple Airlines

Sat 6/79:00 amSTL - FCO

1 stop14h 20mMultiple Airlines

Deal found 1/20

$976

Fri 3/2110:30 amFCO - STL

1 stop19h 02mLufthansa

Sun 3/235:33 pmSTL - FCO

1 stop32h 12mLufthansa

Deal found 1/19

$983

Best flights from Leonardo da Vinci/Fiumicino to St. Louis
Discover carefully curated flight deals from Leonardo da Vinci/Fiumicino to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 21, 2025.

Fri 3/217:55 amFCO - STL

2 stops20h 12mBritish Airways

Sun 3/235:37 pmSTL - FCO

2 stops22h 18mBritish Airways

Deal found 1/19

$780

Fri 3/217:05 amFCO - STL

2 stops33h 03mUnited Airlines

Sun 3/235:33 pmSTL - FCO

1 stop32h 12mUnited Airlines

Deal found 1/19

$833

Sat 3/222:50 pmFCO - STL

1 stop23h 56mMultiple Airlines

Sat 6/79:00 amSTL - FCO

1 stop14h 20mMultiple Airlines

Deal found 1/20

$976

Fri 3/2110:30 amFCO - STL

1 stop19h 02mLufthansa

Sun 3/235:33 pmSTL - FCO

1 stop32h 12mLufthansa

Deal found 1/19

$983

One-way flights from Leonardo da Vinci/Fiumicino to St. Louis
Search for one-way flight options from Leonardo da Vinci/Fiumicino to St. Louis. Find affordable one-way fares based on user searches. Data last updated January 21, 2025.

Thu 4/37:15 amFCO - STL

2 stops32h 51mMultiple Airlines

Deal found 1/19

$325

Tue 3/411:20 amFCO - STL

2 stops34h 16mTurkish Airlines

Deal found 1/20

$636

Thu 4/1010:00 amFCO - STL

1 stop16h 29mFinnair

Deal found 1/20

$725

Wed 6/117:00 amFCO - STL

1 stop13h 30mLufthansa

Deal found 1/20

$772

Tue 3/41:10 pmFCO - STL

1 stop14h 32mBritish Airways

Deal found 1/20

$773

Tue 5/206:05 amFCO - STL

2 stops21h 28mDelta

Deal found 1/20

$798

Thu 5/226:30 amFCO - STL

2 stops14h 46mKLM

Deal found 1/20

$806

Sun 5/189:00 amFCO - STL

1 stop14h 50mAir France

Deal found 1/20

$842

Tue 7/157:30 amFCO - STL

2 stops22h 45mAer Lingus

Deal found 1/20

$873

Wed 5/2111:45 amFCO - STL

3 stops34h 59mUnited Airlines

Deal found 1/20

$1,461

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

Fly from

Fly to

Route

Depart

Return

Price

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Fri 3/21

7:55 am-10:07 pm

2 stops20h 12m

Lambert-St Louis

Sun 3/23

5:37 pm-9:55 pm

2 stops22h 18m

$780

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Fri 3/21

7:05 am-10:08 am

2 stops33h 03m

Lambert-St Louis

Sun 3/23

5:33 pm-7:45 am

1 stop32h 12m

$833

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Sat 3/22

2:50 pm-8:46 am

1 stop23h 56m

Lambert-St Louis

Sat 6/7

9:00 am-6:20 am

1 stop14h 20m

$976

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Fri 3/21

10:30 am-11:32 pm

1 stop19h 02m

Lambert-St Louis

Sun 3/23

5:33 pm-7:45 am

1 stop32h 12m

$983

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Thu 4/3

7:15 am-9:06 am

2 stops32h 51m

$325

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Tue 3/4

11:20 am-2:36 pm

2 stops34h 16m

$636

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Thu 4/10

10:00 am-7:29 pm

1 stop16h 29m

$725

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Wed 6/11

7:00 am-1:30 pm

1 stop13h 30m

$772

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Tue 3/4

1:10 pm-8:42 pm

1 stop14h 32m

$773

RomeSt. Louis

FCO - STL

FCOSTL

Rome Fiumicino

Tue 5/20

6:05 am-8:33 pm

2 stops21h 28m

$798

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 14 results

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

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

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 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 Rome Fiumicino Airport-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rome Fiumicino Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rome Fiumicino Airport-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Rome Fiumicino Airport-St. Louis 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 Rome Fiumicino Airport-St. Louis 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 Leonardo da Vinci/Fiumicino to St. Louis

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

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

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Delta

8.0

Very good

8,521 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

8,521 reviews

Delta

8.0

Very good

8,521 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,341 reviews

Delta

8.0

Very good

8,521 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,285 reviews

Delta

8.0

Very good

8,521 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.4

Good

1,490 reviews

Delta

8.0

Very good

8,521 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,984 reviews

Delta

8.0

Very good

8,521 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly into for flights to St. Louis from Rome Fiumicino?
Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Rome Fiumicino. On average, Lambert-St Louis has 0 inbound flights from Rome Fiumicino per day from 0 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.
What are the cheapest airlines flying from Rome Fiumicino Airport to St. Louis round-trip?
Cheapflights users have booked flights from Rome Fiumicino Airport to St. Louis round-trip from $780. Other airlines that can offer you cheap pricing are United Airlines, from $833, and Lufthansa, from $983. British Airways is priced at 19% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Rome Fiumicino Airport to St. Louis one-way?
One-way options have recently been found by users for as low as $636 on Turkish Airlines. Other airlines that offer cheap prices include Finnair from $725 and Lufthansa from $772 one-way.
Can I find deals for flights from Leonardo da Vinci/Fiumicino to St. Louis that include hotel bookings?
Yes. In addition to deals on Leonardo da Vinci/Fiumicino to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Leonardo da Vinci/Fiumicino to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Leonardo da Vinci/Fiumicino to St. Louis.
Can I find deals for business class flights from Leonardo da Vinci/Fiumicino to St. Louis?
Yes. Cheapflights offers flight deals from Leonardo da Vinci/Fiumicino to St. Louis 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 Rome Fiumicino Airport to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Rome Fiumicino Airport to St. Louis (average of $311). Flying from Rome Fiumicino Airport to St. Louis in March is currently the most expensive (average of $356). 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

Fenton

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$325+ Cheap flights from Fiumicino (FCO) to St. Louis (STL)

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

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

Cheapest flights from Leonardo da Vinci/Fiumicino to St. LouisExplore the most affordable flight options available from Leonardo da Vinci/Fiumicino to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

Explore the most affordable flight options available from Leonardo da Vinci/Fiumicino to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

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

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

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 Leonardo da Vinci/Fiumicino to St. Louis in January.

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

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

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

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

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

Related info for your journey

Find useful and relevant information for your journey from Leonardo da Vinci/Fiumicino to St. Louis. 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 into for flights to St. Louis from Rome Fiumicino?

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

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

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

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

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

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

Traveling to a place near Rome Fiumicino Airport?

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Cheapest flights from Leonardo da Vinci/Fiumicino to St. Louis
Explore the most affordable flight options available from Leonardo da Vinci/Fiumicino to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.