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Cheap flights from St. Louis to Rome from $361

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Rome departing on 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Rome

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to Rome.
Air Canada Logo
3:30 pm - 9:15 amSTL-FCO
34h 45m2 stops
Air Canada Logo
11:30 am - 7:58 pmFCO-STL
15h 28m1 stop
$769Air Canada
Find Deal
Sun, Apr 20 - Tue, May 6
Air Canada Logo
3:30 pm - 10:15 amSTL-FCO
11h 45m1 stop
Air Canada Logo
11:30 am - 7:58 pmFCO-STL
15h 28m1 stop
$771Air Canada
Find Deal
Sun, Apr 20 - Tue, May 6
United Airlines Logo
6:30 am - 7:55 amSTL-FCO
18h 25m1 stop
United Airlines Logo
11:30 am - 5:23 pmFCO-STL
36h 53m2 stops
$789United Airlines
Find Deal
Mon, May 5 - Thu, May 15
United Airlines Logo
8:25 am - 10:55 amSTL-FCO
19h 30m2 stops
United Airlines Logo
11:30 am - 5:23 pmFCO-STL
36h 53m2 stops
$793United Airlines
Find Deal
Mon, May 5 - Thu, May 15
KLM Logo
12:46 pm - 11:05 amSTL-FCO
15h 19m1 stop
KLM Logo
9:45 am - 4:35 pmFCO-STL
13h 50m1 stop
$812KLM
Find Deal
Wed, Apr 30 - Wed, May 14
Iberia Logo
10:31 am - 9:10 amSTL-FCO
15h 39m1 stop
Iberia Logo
11:05 am - 9:52 pmFCO-STL
17h 47m1 stop
$846Iberia
Find Deal
Thu, May 8 - Fri, May 16
KLM Logo
12:51 pm - 11:05 amSTL-FCO
15h 14m1 stop
KLM Logo
9:45 am - 6:02 pmFCO-STL
15h 17m1 stop
$872KLM
Find Deal
Thu, Apr 24 - Wed, Apr 30
Delta Logo
12:51 pm - 11:05 amSTL-FCO
15h 14m1 stop
Delta Logo
10:10 am - 11:34 pmFCO-STL
20h 24m2 stops
$876Delta
Find Deal
Thu, Apr 24 - Wed, Apr 30
Delta Logo
5:45 pm - 5:30 pmSTL-FCO
16h 45m2 stops
Delta Logo
9:00 am - 9:31 pmFCO-STL
19h 31m1 stop
$889Delta
Find Deal
Tue, May 13 - Sat, May 24
Iberia Logo
12:00 pm - 9:10 amSTL-FCO
14h 10m1 stop
Iberia Logo
1:10 pm - 8:58 pmFCO-STL
14h 48m1 stop
$913Iberia
Find Deal
Fri, Apr 18 - Sun, May 4

Air Canada flights from St. Louis to Rome

Our best Air Canada deals on St. Louis to Rome flight tickets
Air Canada
Apr 20
STL3:30 pmLambert-St Louis
34h 45m
2 stops
FCO9:15 amRome Fiumicino
May 6
FCO11:30 amRome Fiumicino
15h 28m
1 stop
STL7:58 pmLambert-St Louis
Air Canada
Apr 20
STL3:30 pmLambert-St Louis
11h 45m
1 stop
FCO10:15 amRome Fiumicino
May 6
FCO11:30 amRome Fiumicino
15h 28m
1 stop
STL7:58 pmLambert-St Louis
Air Canada
Apr 20
STL3:30 pmLambert-St Louis
34h 45m
2 stops
FCO9:15 amRome Fiumicino
May 6
FCO2:30 pmRome Fiumicino
36h 28m
2 stops
STL7:58 pmLambert-St Louis

United Airlines flights from St. Louis to Rome

Our best United Airlines deals on St. Louis to Rome flight tickets
United Airlines
May 5
STL6:30 amLambert-St Louis
18h 25m
1 stop
FCO7:55 amRome Fiumicino
May 15
FCO11:30 amRome Fiumicino
36h 53m
2 stops
STL5:23 pmLambert-St Louis
United Airlines
May 5
STL8:25 amLambert-St Louis
19h 30m
2 stops
FCO10:55 amRome Fiumicino
May 15
FCO11:30 amRome Fiumicino
36h 53m
2 stops
STL5:23 pmLambert-St Louis
United Airlines
May 5
STL5:29 pmLambert-St Louis
31h 26m
1 stop
FCO7:55 amRome Fiumicino
May 13
FCO2:30 pmRome Fiumicino
29h 06m
1 stop
STL12:36 pmLambert-St Louis

See travel insights to Rome from

How to get the cheapest flight ticket from St. Louis to Rome

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Rome?

The cheapest month to fly to Rome from St. Louis is in February. Flight prices, which tend to average around $758, are often lower during this time because this is during the off-season. If you aren’t able to travel to Rome during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $780.

What is the cheapest day to depart on your flight to Rome?

The cheapest day to depart on your flight to Rome is on a Wednesday when prices can be found for as low as $1,109. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Rome on Sunday is $1,335.

What is the cheapest time of day to depart on your flight to Rome?

In the afternoon is the cheapest time of day to fly from St. Louis to Rome when you can find flight prices for as low as $1,209. Flying to Rome in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Rome are more costly in the evening, with an average ticket price of $1,328. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Rome?

You are more likely to see cheaper flights to Rome from St. Louis when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Rome for around $1,082 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rome from St. Louis for as low as $963 on momondo.

How have St. Louis to Rome flight prices changed over time?


When to book flights from St. Louis to Rome

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Rome according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Rome (STL to ROM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Rome

Best Price Found

$361

Fastest flight time

11h 45m

Direct flights

None

Airports in Rome

1 airport
The best one-way flight to Rome from St. Louis in the past 72 hours is $361. The best round-trip flight deal from St. Louis to Rome found on momondo in the last 72 hours is $769.
The fastest flight from St. Louis to Rome takes 11h 45m
There are no direct flights from St. Louis to Rome. Popular non-direct route for this connection is Lambert-St Louis Airport - Rome Fiumicino Airport.
There is 1 airport near Rome: Rome Fiumicino (FCO)

  • How far is Lambert-St Louis to Rome by plane?

    A flight from Lambert-St Louis to Rome will travel around 5053.3 mi. Typically, this will take 11h 45m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Rome?

    Prices for flights from Lambert-St Louis Airport to Rome were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Rome?

  • How old do you have to be to fly from Lambert-St Louis Airport to Rome?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Rome.

  • What documentation or ID do you need to fly to Rome?

    The necessary travel and health documents for your Rome trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Rome?


Best airlines flying from St. Louis to Rome

Compare and see reviews for airlines that fly from St. Louis to Rome with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $670Free CancellationRating
8.0
7,897 reviews
Search Delta flights
LufthansaPriceFrom $675Free CancellationRating
6.7
6,963 reviews
Search Lufthansa flights
IberiaPriceFrom $681Free CancellationRating
7.0
2,657 reviews
Search Iberia flights
United AirlinesPriceFrom $699Free CancellationRating
7.4
8,616 reviews
Search United Airlines flights
Air CanadaPriceFrom $705Free CancellationRating
7.0
9,028 reviews
Search Air Canada flights
British AirwaysPriceFrom $727Free CancellationRating
6.6
6,717 reviews
Search British Airways flights
KLMPriceFrom $800Free CancellationRating
7.8
1,323 reviews
Search KLM flights
American AirlinesPriceFrom $886Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Rome?

Book flights to Rome if you plan to visit one of these locations
Fiumicino
Civitavecchia
Montepulciano
Ciampino
Santa Marinella
Cassino
Sperlonga
Orvieto
Cortona
Tivoli
Sulmona
Pienza
Foligno
Terracina
Anzio
Porto Ercole
Sabaudia
Saturnia
Grosseto
Ascoli Piceno

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Rome?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Rome. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Rome with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Rome from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Rome?

Once all potential St. Louis to Rome flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Rome right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Rome now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Rome and let you know when they change.


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1 adult
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Tue 4/8
Tue 4/15

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Fly into one of these airports located in Rome

Airports listed have a maximum distance of 14.7 mi from Rome