Cheap flights from St. Louis to Italy from $343
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 Italy departing on 4/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from St. Louis to Italy
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Scandinavian Airlines flights from St. Louis to Italy
Our best Scandinavian Airlines deals on St. Louis to Italy flight tickets
Aer Lingus flights from St. Louis to Italy
Our best Aer Lingus deals on St. Louis to Italy flight tickets
See travel insights to Italy from
How to get the cheapest flight ticket from St. Louis to Italy
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 Italy?
The cheapest month to fly to Italy 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 during the month of February, then book flights to Italy from St. Louis during November instead. Flights to Italy in November, while not as cheap as those in February, still average around $780.
What is the cheapest day to depart on your flight to Italy?
According to our data, Wednesday is the cheapest day to fly to Italy from St. Louis. The lowest ticket price found for a Wednesday departure recently was $1,109. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Italy for around $1,335.
What is the cheapest time of day to depart on your flight to Italy?
Our data shows that the cheapest St. Louis to Italy flights are usually those with departure times in the afternoon. Our users have found flights to Italy in the afternoon for as low as $1,209. In contrast, the most expensive time of day to depart to Italy is in the evening when prices are around $1,328.
How far in advance should I book a flight to Italy?
You are more likely to see cheaper flights to Italy from St. Louis when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Italy for around $1,083 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Italy from St. Louis for as low as $963 on momondo.
What is the cheapest airline that flies from Lambert-St Louis to Italy?
Scandinavian Airlines, WestJet, and American Airlines are the most popular carriers operating from Lambert-St Louis to Italy
What airlines fly to Italy?
United Airlines, American Airlines and Lufthansa are the top three most popular airlines that fly to Italy from St. Louis according to our data. United Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Italy. Keep in mind that there are 9 different airlines that fly to Italy on a routine basis, so you have a few additional options to choose from.
Cheap St. Louis to Italy flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Italy
When did momondo last update prices for flights from Lambert-St Louis Airport to Italy?
Prices for flights from Lambert-St Louis Airport to Italy are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Italy?
The number of operators available for flights from Lambert-St Louis Airport to Italy is 9 as of March 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Italy?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Italy.
What documentation or ID do you need to fly to Italy?
The travel and health documents required for your trip to Italy can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Italy. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from St. Louis to Italy
Compare and see reviews for airlines that fly from St. Louis to Italy with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $573 | Free Cancellation | Rating 7.8 1,321 reviews | |||
| PriceFrom $670 | Free Cancellation | Rating 8.0 7,895 reviews | |||
| PriceFrom $672 | Free Cancellation | Rating 6.6 6,712 reviews | |||
| PriceFrom $675 | Free Cancellation | Rating 6.7 6,955 reviews | |||
| PriceFrom $681 | Free Cancellation | Rating 7.0 2,651 reviews | |||
| PriceFrom $699 | Free Cancellation | Rating 7.4 8,603 reviews | |||
| PriceFrom $705 | Free Cancellation | Rating 7.0 8,981 reviews | |||
| PriceFrom $720 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $861 | Free Cancellation | Rating 7.4 1,424 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Italy?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Italy. momondo saves you time and could save you money on your trip.
Can I find flights from St. Louis to Italy with flexible booking policies on momondo?
Flights from St. Louis to Italy with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from St. Louis to Italy?
Once all potential St. Louis to Italy 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 Italy right now. Can momondo alert me if prices change?
Yes. momondo can track prices for St. Louis to Italy flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.