HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Leonardo da Vinci/Fiumicino

$749+ Cheap flights from Billings (BIL) to Fiumicino (FCO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — FCO
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Billings to Leonardo da Vinci/Fiumicino with Cheapflights

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Billings to Leonardo da Vinci/Fiumicino

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Leonardo da Vinci/Fiumicino (FCO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated agosto 14, 2025.

Round-trip from

$749
(United)

Popular in

December

Cheapest in

January

Average price

$900
From Billings Logan Intl to Rome Fiumicino
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($102 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Billings to Leonardo da Vinci/Fiumicino

Cheapest flights from Billings to Leonardo da Vinci/Fiumicino
Explore the most affordable flight options available from Billings to Leonardo da Vinci/Fiumicino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

This United deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/17:00 amBIL - FCO
1 stop21h 20mMultiple Airlines
mié. 9/1712:25 pmFCO - BIL
2 stops42h 21mMultiple Airlines
Deal found 8/14$749
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/17:00 amBIL - FCO
1 stop21h 20mUnited Airlines
mié. 9/172:20 pmFCO - BIL
1 stop14h 14mUnited Airlines
Deal found 8/14$765
This Trip.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/273:43 pmBIL - FCO
2 stops19h 27mMultiple Airlines
sáb. 10/44:45 pmFCO - BIL
2 stops39h 23mMultiple Airlines
Deal found 8/13$844
This Orbitz deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/256:00 amBIL - FCO
2 stops26h 55mMultiple Airlines
sáb. 10/48:00 amFCO - BIL
2 stops24h 08mMultiple Airlines
Deal found 8/13$873
This American Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/257:03 amBIL - FCO
1 stop17h 02mAmerican Airlines
sáb. 10/410:20 amFCO - BIL
2 stops20h 19mAmerican Airlines
Deal found 8/13$1,289
This American Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/276:00 amBIL - FCO
1 stop19h 10mAmerican Airlines
sáb. 10/411:05 amFCO - BIL
1 stop19h 34mAmerican Airlines
Deal found 8/13$1,485
This Air Canada deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/255:00 amBIL - FCO
3 stops21h 15mAir Canada
sáb. 10/412:25 pmFCO - BIL
3 stops32h 53mAir Canada
Deal found 8/13$1,833

Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings to Leonardo da Vinci/Fiumicino that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 14, 2025.
Use the filters below to find and compare flights from Billings to Rome Fiumicino Airport that are best for you.

Fly from

Billings

Fly to

Leonardo da Vinci/Fiumicino

Route

Depart

Return

Price

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

lun. 9/1

7:00 am-12:20 pm

1 stop21h 20m

Rome Fiumicino

mié. 9/17

12:25 pm-10:46 pm

2 stops42h 21m

$749

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

lun. 9/1

7:00 am-12:20 pm

1 stop21h 20m

Rome Fiumicino

mié. 9/17

12:25 pm-5:16 pm

2 stops36h 51m

$749

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

sáb. 9/27

3:43 pm-7:10 pm

2 stops19h 27m

Rome Fiumicino

sáb. 10/4

4:45 pm-12:08 am

2 stops39h 23m

$844

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

jue. 9/25

6:00 am-4:55 pm

2 stops26h 55m

Rome Fiumicino

sáb. 10/4

8:00 am-12:08 am

2 stops24h 08m

$873

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

jue. 9/25

7:03 am-8:05 am

1 stop17h 02m

Rome Fiumicino

sáb. 10/4

10:20 am-10:39 pm

2 stops20h 19m

$1,289

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

sáb. 9/27

6:00 am-9:10 am

1 stop19h 10m

Rome Fiumicino

sáb. 10/4

10:20 am-10:39 pm

2 stops20h 19m

$1,289

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Best time to book a flight from Billings to Leonardo da Vinci/Fiumicino

Have a flexible travel schedule? Discover the best time to fly to Leonardo da Vinci/Fiumicino from Billings 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.

Reviews of airlines servicing Leonardo da Vinci/Fiumicino

Get insights into the airlines that provide service to Leonardo da Vinci/Fiumicino. 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 Leonardo da Vinci/Fiumicino. Reviews last updated agosto 14, 2025.
See what other customers who have flown with United Airlines from Billings to Rome Fiumicino Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,916 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Billings to Leonardo da Vinci/Fiumicino. 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 from for flights from Billings to Rome Fiumicino?

    Located just 2.7 mi from the city center, Billings Logan Intl is the airport most travelers will use when flying to Rome Fiumicino from Billings. Booking flights from Billings Logan Intl (BIL) to Rome Fiumicino should be relatively easy as there are 0 daily outbound flights to Rome Fiumicino from 1 airline.

  • What is the cheapest airline to fly from Billings to Rome Fiumicino Airport round-trip?

    Our cheapest airline available from Billings to Rome Fiumicino Airport is United Airlines. Our recent data shows that you can find tickets from as low as $688 on this airline.

  • Can I find deals for flights from Billings to Leonardo da Vinci/Fiumicino that include hotel bookings?

    Yes. In addition to deals on Billings to Leonardo da Vinci/Fiumicino flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billings to Leonardo da Vinci/Fiumicino?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billings to Leonardo da Vinci/Fiumicino.

  • Can I find deals for business class flights from Billings to Leonardo da Vinci/Fiumicino?

    Yes. Cheapflights offers flight deals from Billings to Leonardo da Vinci/Fiumicino 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 Billings to Rome Fiumicino Airport?

    Currently, January is the cheapest month in which you can book a flight from Billings to Rome Fiumicino Airport (average of $644). Flying from Billings to Rome Fiumicino Airport in June is currently the most expensive (average of $1,135). 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

Traveling to a place near Rome Fiumicino Airport?

Book flights to Rome Fiumicino Airport if you plan to visit one of these locations
Fiumicino
Gaeta
Ciampino
Montepulciano
Santa Marinella

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 Billings to Leonardo da Vinci/Fiumicino

See prices for flight routes from nearby airports that may be better suited for you.
Bozeman to Leonardo da Vinci/Fiumicino flights
Missoula to Leonardo da Vinci/Fiumicino flights
Kalispell to Leonardo da Vinci/Fiumicino flights

Top airline flying from Billings to Leonardo da Vinci/Fiumicino

Discover the top airline that operate flights from Billings to Leonardo da Vinci/Fiumicino. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$688Average$767FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.