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

According to our current data, United Airlines ($787), Iberia ($798), and Air Canada ($810) offers the cheapest pricing from St. Louis to Rome. You may be able to fly from St. Louis to Rome for 28% less than the average price by searching for these airlines.

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

The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as $546. However, be on the lookout for offers from United Airlines and Air Canada, as they are both options that can get you from St. Louis to Rome for a low price.

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

Travelers seeking maximum savings on their St. Louis to Rome flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday afternoons 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?

When booking a flight from St. Louis to Rome, you may want to consider flying on American Airlines, Air Canada or British Airways as they are the most popular for this route.

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

Travelers have found that booking a Tuesday departure is the best way to save up to 20% 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 40 days before your planned departure. Booking around this time can save you about 98% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,320 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,495.

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 $1,095 per person but you can even find prices for as low as $625. The most expensive prices can be found in the month of June. Opting for a November flight can save you 50% on your journey compared to booking in June

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

Most trusted provider : When it comes to deals on St. Louis-Rome flights, Cheapflights users trust AranGrant the most. AranGrant 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 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?

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 8 different airlines.

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

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

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

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

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

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

$377+ Flights from St. Louis to Rome

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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

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Cheapflights Tip: The best prices from Lambert-St Louis to Rome are usually found in November or February, booked 39 days in advance, depart on a Wednesday or Friday and return on a Wednesday

Cheap flight deals from St. Louis to Rome

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$787 (United Airlines)
One-way from	$377 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$1,136

Provider with most accurate pricing for Lambert-St Louis-Rome (ROM) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Rome (ROM) flights.

Search Deals

From Lambert-St Louis to Rome (ROM)

Search Deals

One-way flight from Lambert-St Louis to Rome (ROM)

Search Deals

Highest demand for flights based on searches. 24% potential increase in price ($357 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($51 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Find flight deals from St. Louis to Rome

Cheapest flights from St. Louis to Rome
Explore the most affordable flight options available from St. Louis to Rome. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Mon 11/101:27 pmSTL - FCO

1 stop11h 18mUnited Airlines

Tue 11/2512:15 pmFCO - STL

2 stops33h 03mUnited Airlines

Deal found 4/23

$628

Tue 11/114:15 pmSTL - FCO

2 stops34h 45mAir Canada

Tue 11/2512:15 pmFCO - STL

2 stops33h 03mAir Canada

Deal found 4/23

$630

Mon 11/1011:51 amSTL - FCO

1 stop13h 04mKLM

Mon 11/2412:45 pmFCO - STL

1 stop15h 04mKLM

Deal found 4/23

$695

Sun 11/24:07 pmSTL - FCO

2 stops18h 38mBritish Airways

Sat 11/88:30 pmFCO - STL

2 stops28h 47mBritish Airways

Deal found 4/22

$726

Sun 11/212:24 pmSTL - FCO

1 stop15h 31mMultiple Airlines

Sat 11/89:40 amFCO - STL

1 stop35h 15mMultiple Airlines

Deal found 4/22

$757

Mon 9/228:26 amSTL - FCO

1 stop17h 44mIberia

Wed 10/111:05 amFCO - STL

1 stop15h 03mIberia

Deal found 4/23

$782

Mon 5/56:00 amSTL - FCO

1 stop18h 35mDelta

Tue 5/1310:10 amFCO - STL

2 stops20h 16mDelta

Deal found 4/22

$818

Wed 8/273:30 pmSTL - FCO

2 stops36h 35mScandinavian Airlines

Wed 9/311:55 amFCO - STL

2 stops39h 52mScandinavian Airlines

Deal found 4/22

$822

Mon 5/51:10 pmSTL - FCO

2 stops15h 25mLufthansa

Thu 5/157:10 amFCO - STL

2 stops15h 37mLufthansa

Deal found 4/21

$852

Sun 9/78:26 amSTL - FCO

2 stops28h 24mAer Lingus

Tue 9/2311:10 amFCO - STL

2 stops19h 39mAer Lingus

Deal found 4/22

$986

Wed 5/2110:36 amSTL - FCO

2 stops24h 24mFinnair

Wed 5/2811:05 amFCO - STL

1 stop17h 47mFinnair

Deal found 4/22

$1,120

Sat 6/149:50 amSTL - CIA

3 stops26h 40mMultiple Airlines

Sat 6/286:00 amCIA - STL

2 stops37h 36mMultiple Airlines

Deal found 4/22

$1,248

Best flights from St. Louis to Rome
Discover carefully curated flight deals from St. Louis to Rome that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2025.

Mon 5/121:30 pmSTL - FCO

1 stop12h 45mUnited Airlines

Tue 5/2011:30 amFCO - STL

2 stops36h 53mUnited Airlines

Deal found 4/23

$787

Mon 5/1210:31 amSTL - FCO

1 stop15h 39mIberia

Tue 5/2011:05 amFCO - STL

1 stop17h 47mIberia

Deal found 4/23

$798

Mon 5/127:30 amSTL - FCO

2 stops18h 45mAir Canada

Tue 5/209:55 amFCO - STL

2 stops17h 03mAir Canada

Deal found 4/23

$810

Mon 5/56:00 amSTL - FCO

1 stop18h 35mDelta

Tue 5/1310:10 amFCO - STL

2 stops20h 16mDelta

Deal found 4/22

$818

Mon 5/126:00 amSTL - FCO

1 stop20h 10mBritish Airways

Mon 5/198:30 pmFCO - STL

2 stops26h 52mBritish Airways

Deal found 4/22

$841

Mon 5/51:10 pmSTL - FCO

2 stops15h 25mLufthansa

Thu 5/157:10 amFCO - STL

2 stops15h 37mLufthansa

Deal found 4/21

$852

Mon 5/54:45 pmSTL - FCO

1 stop36h 35mMultiple Airlines

Mon 5/122:30 pmFCO - STL

1 stop29h 06mMultiple Airlines

Deal found 4/21

$859

Mon 5/512:51 pmSTL - FCO

2 stops22h 54mScandinavian Airlines

Tue 5/137:35 pmFCO - STL

2 stops35h 03mScandinavian Airlines

Deal found 4/22

$937

Wed 4/3012:00 pmSTL - FCO

2 stops15h 25mAer Lingus

Wed 5/147:30 amFCO - STL

2 stops21h 22mAer Lingus

Deal found 4/23

$1,002

Tue 7/222:18 pmSTL - FCO

2 stops14h 27mKLM

Wed 7/306:30 amFCO - STL

2 stops14h 46mKLM

Deal found 4/23

$1,089

Wed 5/2110:36 amSTL - FCO

2 stops24h 24mFinnair

Wed 5/2811:05 amFCO - STL

1 stop17h 47mFinnair

Deal found 4/22

$1,120

Mon 5/51:30 pmSTL - CIA

3 stops22h 50mMultiple Airlines

Mon 5/126:10 amCIA - STL

3 stops20h 48mMultiple Airlines

Deal found 4/21

$999

Last-minute flights from St. Louis to Rome
Discover last-minute flight deals from St. Louis to Rome. Data last updated April 24, 2025 and is based on user searches.

Tue 4/2912:00 pmSTL - FCO

1 stop14h 10mIberia

Sat 5/1011:05 amFCO - STL

1 stop17h 47mIberia

Deal found 4/23

$7,356

Wed 4/3012:00 pmSTL - FCO

2 stops15h 25mAer Lingus

Wed 5/147:30 amFCO - STL

2 stops21h 22mAer Lingus

Deal found 4/23

$1,002

Wed 4/309:39 amSTL - FCO

1 stop15h 16mUnited Airlines

Wed 5/1412:25 pmFCO - STL

2 stops30h 54mUnited Airlines

Deal found 4/22

$1,609

Thu 5/11:30 pmSTL - FCO

1 stop12h 45mAir Canada

Tue 5/611:30 amFCO - STL

2 stops31h 49mAir Canada

Deal found 4/23

$1,658

Thu 5/11:00 pmSTL - FCO

2 stops16h 30mLufthansa

Thu 5/1511:00 amFCO - STL

1 stop19h 46mLufthansa

Deal found 4/23

$2,728

Sat 5/31:30 pmSTL - FCO

1 stop12h 45mMultiple Airlines

Sat 5/109:40 amFCO - STL

2 stops17h 18mMultiple Airlines

Deal found 4/22

$1,705

Mon 5/56:00 amSTL - FCO

1 stop18h 35mDelta

Tue 5/1310:10 amFCO - STL

2 stops20h 16mDelta

Deal found 4/22

$818

Mon 5/51:10 pmSTL - FCO

2 stops15h 25mLufthansa

Thu 5/157:10 amFCO - STL

2 stops15h 37mLufthansa

Deal found 4/21

$852

Mon 5/54:45 pmSTL - FCO

1 stop36h 35mMultiple Airlines

Mon 5/122:30 pmFCO - STL

1 stop29h 06mMultiple Airlines

Deal found 4/21

$859

Mon 5/512:51 pmSTL - FCO

2 stops22h 54mScandinavian Airlines

Tue 5/137:35 pmFCO - STL

2 stops35h 03mScandinavian Airlines

Deal found 4/22

$937

Mon 5/51:30 pmSTL - CIA

3 stops22h 50mMultiple Airlines

Mon 5/126:10 amCIA - STL

3 stops20h 48mMultiple Airlines

Deal found 4/21

$999

Mon 5/121:30 pmSTL - FCO

1 stop12h 45mUnited Airlines

Tue 5/2011:30 amFCO - STL

2 stops36h 53mUnited Airlines

Deal found 4/23

$787

One-way flights from St. Louis to Rome
Search for one-way flight options from St. Louis to Rome. Find affordable one-way fares based on user searches. Data last updated April 24, 2025.

Fri 5/95:55 pmSTL - CIA

2 stops57h 15mMultiple Airlines

Deal found 4/23

$377

Fri 5/95:55 pmSTL - FCO

2 stops58h 55mMultiple Airlines

Deal found 4/23

$416

Tue 5/610:31 amSTL - FCO

2 stops16h 54mAer Lingus

Deal found 4/22

$546

Mon 6/301:30 pmSTL - FCO

1 stop12h 45mUnited Airlines

Deal found 4/21

$603

Sun 6/291:30 pmSTL - FCO

2 stops37h 45mAir Canada

Deal found 4/22

$610

Fri 5/92:15 pmSTL - FCO

1 stop12h 05mKLM

Deal found 4/23

$661

Fri 5/97:05 amSTL - FCO

1 stop17h 30mDelta

Deal found 4/22

$668

Sat 5/39:52 amSTL - FCO

1 stop16h 18mIberia

Deal found 4/22

$734

Tue 6/107:20 amSTL - FCO

2 stops19h 30mBritish Airways

Deal found 4/23

$740

Thu 7/38:15 amSTL - FCO

1 stop17h 00mLufthansa

Deal found 4/23

$2,116

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Rome that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 5/12

1:30 pm-9:15 am

1 stop12h 45m

Rome Fiumicino

Tue 5/20

11:30 am-5:23 pm

2 stops36h 53m

$787

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 5/12

10:31 am-9:10 am

1 stop15h 39m

Rome Fiumicino

Tue 5/20

11:05 am-9:52 pm

1 stop17h 47m

$798

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 5/12

7:30 am-9:15 am

2 stops18h 45m

Rome Fiumicino

Tue 5/20

9:55 am-7:58 pm

2 stops17h 03m

$810

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 5/5

6:00 am-7:35 am

1 stop18h 35m

Rome Fiumicino

Tue 5/13

10:10 am-11:26 pm

2 stops20h 16m

$818

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 5/12

6:00 am-9:10 am

1 stop20h 10m

Rome Fiumicino

Mon 5/19

8:30 pm-4:22 pm

2 stops26h 52m

$841

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 5/5

1:10 pm-11:35 am

2 stops15h 25m

Rome Fiumicino

Thu 5/15

7:10 am-3:47 pm

2 stops15h 37m

$852

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 5/5

4:45 pm-12:20 pm

1 stop36h 35m

Rome Fiumicino

Mon 5/12

2:30 pm-12:36 pm

1 stop29h 06m

$859

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 5/5

12:51 pm-6:45 pm

2 stops22h 54m

Rome Fiumicino

Tue 5/13

7:35 pm-11:38 pm

2 stops35h 03m

$937

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 4/30

12:00 pm-10:25 am

2 stops15h 25m

Rome Fiumicino

Wed 5/14

7:30 am-9:52 pm

2 stops21h 22m

$1,002

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 7/22

2:18 pm-11:45 am

2 stops14h 27m

Rome Fiumicino

Wed 7/30

6:30 am-2:16 pm

2 stops14h 46m

$1,089

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 21 results

Compare providers for flights from St. Louis to Rome

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Rome in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	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 St. Louis-Rome flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Rome flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-Rome flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Rome flights, Cheapflights users trust AranGrant the most. AranGrant 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 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 Rome

Have a flexible travel schedule? Discover the best time to fly to Rome 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Rome

How far ahead should I book a flight from St. Louis to Rome?

The best time to book flights from St. Louis to Rome is 39 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from St. Louis to Rome (average of $644). Flying from St. Louis to Rome in June is currently the most expensive (average of $1,208). 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 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 afternoon, which can drop the price by up to 9% versus a flight in the evening.

Rainfall in Rome by month

In terms of precipitation, rainfall in Rome 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 when rainfall is around 0.6 in.

Temperature in Rome by month

If weather is an important factor for your trip to Rome, 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 Rome

Read through reviews of airlines operating flights from St. Louis to Rome, such as Delta, KLM and Finnair. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Delta

8.0

Very good

7,920 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Finnair

7.6

Good

1,272 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

United Airlines

7.4

Good

8,685 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Scandinavian Airlines

7.3

Good

1,344 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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?
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 8 different airlines.
What are the cheapest airlines flying from St. Louis to Rome round-trip?
According to our current data, United Airlines ($787), Iberia ($798), and Air Canada ($810) offers the cheapest pricing from St. Louis to Rome. You may be able to fly from St. Louis to Rome for 28% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from St. Louis to Rome one-way?
The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as $546. However, be on the lookout for offers from United Airlines and Air Canada, as they are both options that can get you from St. Louis to Rome for a low price.
Can I find deals for flights from St. Louis to Rome that include hotel bookings?
Yes. In addition to deals on St. Louis to Rome flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Rome?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Rome.
Can I find deals for business class flights from St. Louis to Rome?
Yes. Cheapflights offers flight deals from St. Louis to Rome 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?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Rome (average of $644). Flying from St. Louis to Rome in June is currently the most expensive (average of $1,208). 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

Fiumicino

Gaeta

Ciampino

Montepulciano

Ponza

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from St. Louis to Rome

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$670	Average$951	FlexibilityNo cancel fee	On-timeN/A
Lufthansa	Cheapest$675	Average$960	FlexibilityNo cancel fee	On-time76%
Iberia	Cheapest$681	Average$1,060	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$699	Average$1,205	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$705	Average$1,099	FlexibilityNo cancel fee	On-time67%
British Airways	Cheapest$708	Average$1,065	FlexibilityNo cancel fee	On-time70%
KLM	Cheapest$800	Average$1,098	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$836	Average$1,114	FlexibilityNo cancel fee	On-time71%

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$377+ Cheap flights from St. Louis (STL) to Rome (ROM)

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Rome with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

Cheapflights Tip: The best prices from Lambert-St Louis to Rome are usually found in November or February, booked 39 days in advance, depart on a Wednesday or Friday and return on a Wednesday

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Cheapest flights from St. Louis to RomeExplore the most affordable flight options available from St. Louis to Rome. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Explore the most affordable flight options available from St. Louis to Rome. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

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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.

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

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Everything you need to know about your flight from St. Louis to Rome

How far ahead should I book a flight from St. Louis to Rome?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Rome. Price data was last updated on April 18, 2025.

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

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

Find hourly flight availability from St. Louis to Rome. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

Rainfall in Rome by month

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Temperature in Rome by month

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Reviews of airlines servicing Rome

Get insights into the airlines that provide service to Rome. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Rome. Reviews last updated April 24, 2025.

Read through reviews of airlines operating flights from St. Louis to Rome, such as Delta, KLM and Finnair. You can also see how each airline compares 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 Rome. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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Top 8 airlines flying from St. Louis to Rome

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Cheapest flights from St. Louis to Rome
Explore the most affordable flight options available from St. Louis to Rome. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.