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Latest Flight Deals from Rome to St. Louis

Book one-way or return flights from Rome to St. Louis from as little as US$419. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • FCO18:55
        23h 58m
        1 stop
        STL11:53
        Tue, May 14|Rome - St. Louis|Norse Atlantic Airways
        US$419US$615
        32% OFF
        32% OFF
        US$615US$419
      • FCO18:55
        23h 4m
        1 stop
        STL10:59
        Wed, May 15|Rome - St. Louis|Norse Atlantic Airways
        US$429US$615
        30% OFF
        30% OFF
        US$615US$429
      • FCO18:55
        27h 58m
        1 stop
        STL15:53
        Mon, May 20|Rome - St. Louis|Norse Atlantic Airways
        US$440US$615
        28% OFF
        28% OFF
        US$615US$440
      • FCO18:55
        20h 41m
        1 stop
        STL08:36
        Tue, Jun 11|Rome - St. Louis|Norse Atlantic Airways
        US$450
        US$450
      • FCO18:55
        28h 3m
        1 stop
        STL15:58
        Tue, May 28|Rome - St. Louis|Norse Atlantic Airways
        US$462
        US$462
      • FCO18:55
        23h 58m
        1 stop
        STL11:53
        Thu, May 30|Rome - St. Louis|Norse Atlantic Airways
        US$471
        US$471
      • FCO08:20
        16h 20m
        1 stop
        STL17:40
        Sat, Jun 8|Rome - St. Louis|Norse Atlantic Airways
        US$492
        US$492
      • FCO18:55
        20h 41m
        1 stop
        STL08:36
        Mon, Jun 10|Rome - St. Louis|Norse Atlantic Airways
        US$521
        US$521
      • FCO18:55
        28h 3m
        1 stop
        STL15:58
        Wed, May 29|Rome - St. Louis|Norse Atlantic Airways
        US$525
        US$525
      • FCO18:55
        32h 25m
        1 stop
        STL20:20
        Mon, Jul 29|Rome - St. Louis|Norse Atlantic Airways
        US$525
        US$525
      • ROM13:00
        3h 5m
        Direct
        STL14:00
        Sun, May 19|Rome - St. Louis|Norse Atlantic Airways
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Rome to St. Louis? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Rome to St. Louis. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Rome to St. Louis

View airlines operating flights from Rome to St. Louis. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Norse Atlantic Airways
From US$234
WestJet
From US$405
Icelandair
From US$461
Royal Air Maroc
From US$524
Air Transat
From US$536
Air Europa
From US$568
Turkish Airlines
From US$582
Wizz Air
From US$647
TAP Air Portugal
From US$653
Wizz Air Malta
From US$783
ANA airlines

Find more flights and airlines

Alternative Routes from Rome to St. Louis

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Rome to St. Louis.

  • Cheapest
    Norse Atlantic Airways
    FCO
    18:55
    29h 34m
    2 transfer
    STL
    17:29
    Fiumicino – Leonardo Da Vinci International Airport - St.Louis Lambert International Airport
    Wed, May 22Norse Atlantic Airways
    US$234
  • Norse Atlantic Airways
    FCO
    18:55
    29h 34m
    2 transfer
    STL
    17:29
    Fiumicino – Leonardo Da Vinci International Airport - St.Louis Lambert International Airport
    Wed, May 22Norse Atlantic Airways
    US$234
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from Rome (ROM) to St. Louis (STL) the cheapest?

    Airlines adjust prices for flights from Rome to St. Louis based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Rome (ROM) to St. Louis (STL) cost?

    According to Trip.com's data, the lowest price is around $1,227.

  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St.Louis Lambert International Airport to downtown is about 20km. It takes about 40 minutes by taxi.

How to find a cheap flight from Rome to St. Louis

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Rome to St. Louis. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Flight Information from Rome to St. Louis

Cheapest nonstop flight price

$419

Off-season for travel

May

Peak season for travel

August

Flight distance

8,137.85km

Popular airline

American Airlines

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