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

Cheapflights users have booked flights from Rome to St. Louis round-trip from $779. Other airlines that can offer you cheap pricing are Lufthansa, from $792, and United Airlines, from $810.

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

The cheapest airlines for a one-way flight from Rome to St. Louis are Turkish Airlines ($647), WestJet ($902), and British Airways ($1,066).

How recently were the Rome to St. Louis flight deals updated?

The Rome to St. Louis flight deals you see on this page were last updated on 5/30.

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

Currently, September is the cheapest month in which you can book a flight from Rome to St. Louis (average of $319). Flying from Rome to St. Louis in July is currently the most expensive (average of $366). 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.

Can I find flights from Rome to St. Louis for under $800 on Cheapflights?

Yes, there are multiple flights from Rome to St. Louis for under $800. The cheapest flight booked recently is on Air Canada for just $779, but on average you can expect to pay $823.

Are there last-minute flights available from Rome to St. Louis for under $900?

There are currently 3+ open flights from Rome to St. Louis within the next 7 days for less than $900.

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

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

What does FCO to STL mean?

Great question - FCO to STL just means Rome Fiumicino Airport to Lambert-St Louis Airport. Now you’ll know what these unique codes when you look for flights!

Can I find deals for flights from Rome to St. Louis that include extra baggage allowance?

The amount of baggage you can bring on your Rome to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Can I find deals on flights from Rome to St. Louis with specific airlines?

Yes, Cheapflights allows you to browse and filter Rome to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Can I find deals for flights from Rome to St. Louis that include hotel bookings?

Yes. In addition to deals on Rome to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

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

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

Can I find deals for business class flights from Rome to St. Louis?

Yes. Cheapflights offers flight deals from Rome 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.

Can I find deals for flights from Rome to St. Louis that allow pets onboard?

Many airlines flying from Rome to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Can I find deals on last-minute flights from Rome to St. Louis?

Yes, you can often find last-minute deals on Rome to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Flights from Rome, Italy to St. Louis, MO from $647

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Cheap flight deals from Rome to St. Louis

Round-trip from	$319

From Rome (ROM) to Lambert-St Louis

Search Deals

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

When flying from Rome 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.

Cheap Air Canada flights from Rome to St. Louis

Peruse some of the lowest-priced Air Canada flights we've found from Rome to St. Louis. Make sure to check back often as deals are often changing.

Fri 9/2010:05 amFCO - STL

2 stops18h 00mAir Canada

Sat 10/1912:00 pmSTL - FCO

1 stop14h 35mAir Canada

Deal found 5/30$779

Fri 9/207:00 amFCO - STL

2 stops15h 20mAir Canada

Sat 10/1910:10 amSTL - FCO

2 stops16h 25mAir Canada

Deal found 5/30$785

Tue 9/31:05 pmFCO - STL

1 stop15h 00mAir Canada

Sat 9/1412:00 pmSTL - FCO

2 stops18h 50mAir Canada

Deal found 5/29$799

Cheap United Airlines flights from Rome to St. Louis

Have a look at some of the cheapest available United Airlines flights departing from Rome and landing in St. Louis. Deals frequently update to provide users with more options.

Fri 9/67:00 amFCO - STL

1 stop13h 30mUnited Airlines

Sat 9/148:25 amSTL - FCO

1 stop21h 40mUnited Airlines

Deal found 5/29$810

Wed 9/41:05 pmFCO - STL

1 stop15h 00mUnited Airlines

Sat 9/148:25 amSTL - FCO

1 stop21h 40mUnited Airlines

Deal found 5/29$813

Sun 6/96:15 amFCO - STL

2 stops16h 26mUnited Airlines

Sun 6/168:25 amSTL - FCO

1 stop21h 40mUnited Airlines

Deal found 5/29$815

Mon 9/27:00 amFCO - STL

2 stops21h 52mUnited Airlines

Sun 9/159:30 amSTL - FCO

1 stop15h 25mUnited Airlines

Deal found 5/29$816

Sat 8/3110:20 amFCO - STL

2 stops18h 32mUnited Airlines

Mon 9/1612:55 pmSTL - FCO

1 stop12h 00mUnited Airlines

Deal found 5/29$819

Sun 6/99:45 amFCO - STL

1 stop16h 57mUnited Airlines

Sun 6/168:25 amSTL - FCO

1 stop21h 40mUnited Airlines

Deal found 5/29$821

Sun 6/96:15 amFCO - STL

2 stops16h 26mUnited Airlines

Sun 6/166:15 amSTL - FCO

2 stops23h 50mUnited Airlines

Deal found 5/29$853

Sun 9/17:00 amFCO - STL

1 stop13h 30mUnited Airlines

Fri 9/133:25 pmSTL - FCO

1 stop20h 05mUnited Airlines

Deal found 5/29$891

Cheap Rome to St. Louis flights in May & June 2024

Listed are some of the best fares we've found on flights departing from Rome to St. Louis in 2024. Check back in a little while for more flight options.

Sun 6/96:15 amFCO - STL

2 stops16h 26mUnited Airlines

Sun 6/168:25 amSTL - FCO

1 stop21h 40mUnited Airlines

Deal found 5/29$815

Sun 6/99:45 amFCO - STL

1 stop16h 57mUnited Airlines

Sun 6/168:25 amSTL - FCO

1 stop21h 40mUnited Airlines

Deal found 5/29$821

Sun 6/96:15 amFCO - STL

2 stops16h 26mUnited Airlines

Sun 6/166:15 amSTL - FCO

2 stops23h 50mUnited Airlines

Deal found 5/29$853

Rome to St. Louis 2024 flight deals

Listed are some of the best fares we've found on flights departing from Rome to St. Louis in 2024. Check back in a little while for more flight options.

Fri 9/2010:05 amFCO - STL

2 stops18h 00mAir Canada

Sat 10/1912:00 pmSTL - FCO

1 stop14h 35mAir Canada

Deal found 5/30$779

Fri 9/207:00 amFCO - STL

2 stops15h 20mAir Canada

Sat 10/1910:10 amSTL - FCO

2 stops16h 25mAir Canada

Deal found 5/30$785

Tue 9/310:20 amFCO - STL

1 stop16h 09mLufthansa

Sat 9/145:20 pmSTL - FCO

1 stop31h 35mLufthansa

Deal found 5/29$792

Tue 9/31:05 pmFCO - STL

1 stop15h 00mAir Canada

Sat 9/1412:00 pmSTL - FCO

2 stops18h 50mAir Canada

Deal found 5/29$799

Fri 9/201:05 pmFCO - STL

1 stop15h 00mMultiple Airlines

Sat 10/1911:12 amSTL - FCO

1 stop13h 23mMultiple Airlines

Deal found 5/30$800

Fri 9/67:00 amFCO - STL

1 stop13h 30mUnited Airlines

Sat 9/148:25 amSTL - FCO

1 stop21h 40mUnited Airlines

Deal found 5/29$810

Wed 9/41:05 pmFCO - STL

1 stop15h 00mUnited Airlines

Sat 9/148:25 amSTL - FCO

1 stop21h 40mUnited Airlines

Deal found 5/29$813

Sun 6/96:15 amFCO - STL

2 stops16h 26mUnited Airlines

Sun 6/168:25 amSTL - FCO

1 stop21h 40mUnited Airlines

Deal found 5/29$815

Mon 9/27:00 amFCO - STL

2 stops21h 52mUnited Airlines

Sun 9/159:30 amSTL - FCO

1 stop15h 25mUnited Airlines

Deal found 5/29$816

Rome to St. Louis flights leaving soon

Have a look at some of the last-minute flights available departing from Rome to St. Louis. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

Sun 6/96:15 amFCO - STL

2 stops16h 26mUnited Airlines

Sun 6/168:25 amSTL - FCO

1 stop21h 40mUnited Airlines

Deal found 5/29$815

Sun 6/99:45 amFCO - STL

1 stop16h 57mUnited Airlines

Sun 6/168:25 amSTL - FCO

1 stop21h 40mUnited Airlines

Deal found 5/29$821

Sun 6/96:15 amFCO - STL

2 stops16h 26mUnited Airlines

Sun 6/166:15 amSTL - FCO

2 stops23h 50mUnited Airlines

Deal found 5/29$853

One-way flights to St. Louis from Rome

Some of the best available deals we've found on one-way flights from Rome to St. Louis. Those needing a return flight from Rome to St. Louis can use the search form above.

Thu 10/177:25 pmFCO - STL

2 stops27h 34mTurkish Airlines

Deal found 5/30$647

Sun 10/2711:20 amFCO - STL

2 stops58h 23mTurkish Airlines

Deal found 5/29$652

Sat 10/263:30 pmFCO - STL

2 stops31h 13mMultiple Airlines

Deal found 5/29$702

Tue 8/62:40 pmFCO - STL

2 stops25h 22mWestJet

Deal found 5/29$902

Tue 8/62:40 pmFCO - STL

3 stops31h 10mMultiple Airlines

Deal found 5/29$970

Tue 8/612:15 pmFCO - STL

1 stop15h 50mMultiple Airlines

Deal found 5/29$1,004

Thu 10/1711:15 amFCO - STL

3 stops29h 52mMultiple Airlines

Deal found 5/30$1,025

Sat 10/2611:05 amFCO - STL

1 stop17h 30mBritish Airways

Deal found 5/29$1,066

Thu 10/1710:10 amFCO - STL

1 stop17h 05mBritish Airways

Deal found 5/30$1,069

Find flights from Rome to St. Louis within your budget

Fly from

Fly to

Budget

$779 - $830

Route

Depart

Return

Price

Rome FiumicinoLambert-St Louis

FCO - STL

FCOSTL

Rome Fiumicino

Fri 9/20

2 stops18h 00m

Lambert-St Louis

Sat 10/19

1 stop14h 35m

$779

Rome FiumicinoLambert-St Louis

FCO - STL

FCOSTL

Rome Fiumicino

Fri 9/20

2 stops15h 20m

Lambert-St Louis

Sat 10/19

2 stops16h 25m

$785

Rome FiumicinoLambert-St Louis

FCO - STL

FCOSTL

Rome Fiumicino

Tue 9/3

1 stop16h 09m

Lambert-St Louis

Sat 9/14

1 stop31h 35m

$792

Rome FiumicinoLambert-St Louis

FCO - STL

FCOSTL

Rome Fiumicino

Fri 9/20

1 stop15h 00m

Lambert-St Louis

Sat 10/19

1 stop13h 23m

$800

Rome FiumicinoLambert-St Louis

FCO - STL

FCOSTL

Rome Fiumicino

Fri 9/6

1 stop13h 30m

Lambert-St Louis

Sat 9/14

1 stop21h 40m

$810

Rome FiumicinoLambert-St Louis

FCO - STL

FCOSTL

Rome Fiumicino

Wed 9/4

1 stop15h 00m

Lambert-St Louis

Sat 9/14

1 stop21h 40m

$813

Rome FiumicinoLambert-St Louis

FCO - STL

FCOSTL

Rome Fiumicino

Thu 9/5

2 stops17h 04m

Lambert-St Louis

Wed 9/11

1 stop18h 35m

$823

Rome FiumicinoLambert-St Louis

FCO - STL

FCOSTL

Rome Fiumicino

Tue 9/3

2 stops17h 59m

Lambert-St Louis

Wed 9/11

1 stop15h 15m

$829

Rome FiumicinoLambert-St Louis

FCO - STL

FCOSTL

Rome Fiumicino

Tue 9/3

1 stop17h 06m

Lambert-St Louis

Wed 9/11

1 stop15h 15m

$830

Flights are sorted by cheapest first

Deals found on 5/30

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

Morning

Noon

Afternoon

Evening

All times are departure.

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

Search Deals

Best time to book a flight from Rome to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Rome with our price prediction graph.

Estimated round-trip price

Temperature and rainfall in St. Louis by month

STL Temperature	32 - 80.6 °F

STL

Temperature

32 - 80.6 °F

Reviews of airlines servicing St. Louis

Get a feel of what it's like to fly with Air Canada and United Airlines from Rome to St. Louis by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.9

Good

1,520 reviews

Check prices

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

KLM

7.9

Good

1,520 reviews

KLM

7.9

Good

1,520 reviews

Check prices

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Air France

7.5

Good

1,730 reviews

KLM

7.9

Good

1,520 reviews

Check prices

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

WestJet

7.5

Good

2,869 reviews

KLM

7.9

Good

1,520 reviews

Check prices

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Turkish Airlines

7.4

Good

3,711 reviews

KLM

7.9

Good

1,520 reviews

Check prices

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

United Airlines

7.4

Good

10,777 reviews

KLM

7.9

Good

1,520 reviews

Check prices

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

What airport do you fly into for flights to St. Louis from Rome?
Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Rome. On average, Lambert-St Louis has 0 inbound flights from Rome per day from 0 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.
Can I find flights from Rome to St. Louis for under $800 on Cheapflights?
Yes, there are multiple flights from Rome to St. Louis for under $800. The cheapest flight booked recently is on Air Canada for just $779, but on average you can expect to pay $823.
Are there last-minute flights available from Rome to St. Louis for under $900?
There are currently 3+ open flights from Rome to St. Louis within the next 7 days for less than $900.
What are the cheapest airlines flying from Rome to St. Louis round-trip?
Cheapflights users have booked flights from Rome to St. Louis round-trip from $779. Other airlines that can offer you cheap pricing are Lufthansa, from $792, and United Airlines, from $810.
What are the cheapest airlines to fly from Rome to St. Louis one-way?
The cheapest airlines for a one-way flight from Rome to St. Louis are Turkish Airlines ($647), WestJet ($902), and British Airways ($1,066).
What does FCO to STL mean?
Great question - FCO to STL just means Rome Fiumicino Airport to Lambert-St Louis Airport. Now you’ll know what these unique codes when you look for flights!
Can I find deals for flights from Rome to St. Louis that include extra baggage allowance?
The amount of baggage you can bring on your Rome to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.
Can I find deals on flights from Rome to St. Louis with specific airlines?
Yes, Cheapflights allows you to browse and filter Rome to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.
Can I find deals for flights from Rome to St. Louis that include hotel bookings?
Yes. In addition to deals on Rome to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Rome to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rome to St. Louis.
Can I find deals for business class flights from Rome to St. Louis?
Yes. Cheapflights offers flight deals from Rome 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.
Can I find deals for flights from Rome to St. Louis that allow pets onboard?
Many airlines flying from Rome to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.
Can I find deals on last-minute flights from Rome to St. Louis?
Yes, you can often find last-minute deals on Rome to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.
How recently were the Rome to St. Louis flight deals updated?
The Rome to St. Louis flight deals you see on this page were last updated on 5/30.
What is the cheapest month to book a flight from Rome to St. Louis?
Currently, September is the cheapest month in which you can book a flight from Rome to St. Louis (average of $319). Flying from Rome to St. Louis in July is currently the most expensive (average of $366). 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

Alternative routes for Rome to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.

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How does Cheapflights help users find flights from Rome to St. Louis?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to St. Louis from Rome today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Rome to St. Louis?

Millions of users choose and trust Cheapflights to book the best flight deals from Rome to St. Louis for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Rome to St. Louis with no change fees?

Yes! Cheapflights helps users easily find flights from Rome to St. Louis with no change fees.

Can Cheapflights notify me if prices for flights from Rome to St. Louis become cheaper?

Yes! Start tracking prices for Rome to St. Louis flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Rome (ROM) to St. Louis (STL) from $647

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

Cheap flight deals from Rome to St. Louis

Round-trip from

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

Cheap Air Canada flights from Rome to St. Louis

Peruse some of the lowest-priced Air Canada flights we've found from Rome to St. Louis. Make sure to check back often as deals are often changing.

Cheap United Airlines flights from Rome to St. Louis

Have a look at some of the cheapest available United Airlines flights departing from Rome and landing in St. Louis. Deals frequently update to provide users with more options.

Cheap Rome to St. Louis flights in May & June 2024

Find cheap flight options from Rome to St. Louis specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.

Listed are some of the best fares we've found on flights departing from Rome to St. Louis in 2024. Check back in a little while for more flight options.

Rome to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Rome and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.

Listed are some of the best fares we've found on flights departing from Rome to St. Louis in 2024. Check back in a little while for more flight options.

Rome to St. Louis flights leaving soon

Have a look at some of the last-minute flights available departing from Rome to St. Louis. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

One-way flights to St. Louis from Rome

Some of the best available deals we've found on one-way flights from Rome to St. Louis. Those needing a return flight from Rome to St. Louis can use the search form above.

Find flights from Rome to St. Louis within your budget

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

Use this chart to determine the cheapest time to fly round-trip from Rome to St. Louis. Price data was last updated on May 12, 2024.

Best time to book a flight from Rome to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Rome with our price prediction graph.

Temperature and rainfall in St. Louis by month

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

Reviews of airlines servicing St. Louis

Get a feel of what it's like to fly with Air Canada and United Airlines from Rome to St. Louis by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Rome 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?

Can I find flights from Rome to St. Louis for under $800 on Cheapflights?

Are there last-minute flights available from Rome to St. Louis for under $900?

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

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

What does FCO to STL mean?

Can I find deals for flights from Rome to St. Louis that include extra baggage allowance?

Can I find deals on flights from Rome to St. Louis with specific airlines?

Can I find deals for flights from Rome to St. Louis that include hotel bookings?

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

Can I find deals for business class flights from Rome to St. Louis?

Can I find deals for flights from Rome to St. Louis that allow pets onboard?

Can I find deals on last-minute flights from Rome to St. Louis?

How recently were the Rome to St. Louis flight deals updated?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Rome to St. LouisSee prices for flight routes from nearby airports that may be better suited for you.

See prices for flight routes from nearby airports that may be better suited for you.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2024

Search flights from Rome to St. Louis by cabin class

Find flights from Rome to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

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How does Cheapflights help users find flights from Rome to St. Louis?

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Can Cheapflights notify me if prices for flights from Rome to St. Louis become cheaper?

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Alternative routes for Rome to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.